Malware Analysis Report

2024-12-07 22:35

Sample ID 240721-lmt11axhjf
Target c44506fe6e1ede5a104008755abf5b6ace51f1a84ad656a2dccc7f2c39c0eca2.zip
SHA256 c44506fe6e1ede5a104008755abf5b6ace51f1a84ad656a2dccc7f2c39c0eca2
Tags
remcos fudstub rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral9

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral10

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral14

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral8

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral7

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral13

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral15

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral16

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral17

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral6

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral11

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral12

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral18

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c44506fe6e1ede5a104008755abf5b6ace51f1a84ad656a2dccc7f2c39c0eca2

Threat Level: Known bad

The file c44506fe6e1ede5a104008755abf5b6ace51f1a84ad656a2dccc7f2c39c0eca2.zip was found to be: Known bad.

Malicious Activity Summary

remcos fudstub rat

Remcos

Suspicious use of SetThreadContext

Enumerates physical storage devices

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-21 09:39

Signatures

N/A

Analysis: behavioral9

Detonation Overview

Submitted

2024-07-21 09:39

Reported

2024-07-21 09:42

Platform

win7-20240704-en

Max time kernel

12s

Max time network

19s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\madexcept_.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2532 wrote to memory of 1232 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2532 wrote to memory of 1232 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2532 wrote to memory of 1232 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2532 wrote to memory of 1232 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2532 wrote to memory of 1232 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2532 wrote to memory of 1232 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2532 wrote to memory of 1232 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\madexcept_.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\madexcept_.dll,#1

Network

N/A

Files

memory/1232-1-0x0000000050000000-0x0000000050116000-memory.dmp

memory/1232-4-0x0000000057800000-0x0000000057812000-memory.dmp

memory/1232-2-0x0000000057000000-0x000000005703F000-memory.dmp

memory/1232-0-0x0000000059800000-0x000000005986E000-memory.dmp

memory/1232-3-0x0000000050120000-0x000000005030D000-memory.dmp

Analysis: behavioral10

Detonation Overview

Submitted

2024-07-21 09:39

Reported

2024-07-21 09:42

Platform

win10v2004-20240709-en

Max time kernel

143s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\madexcept_.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2248 wrote to memory of 3372 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2248 wrote to memory of 3372 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2248 wrote to memory of 3372 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\madexcept_.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\madexcept_.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 40.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 95.16.208.104.in-addr.arpa udp

Files

memory/3372-1-0x0000000050000000-0x0000000050116000-memory.dmp

memory/3372-3-0x0000000057800000-0x0000000057812000-memory.dmp

memory/3372-2-0x0000000057000000-0x000000005703F000-memory.dmp

memory/3372-0-0x0000000059800000-0x000000005986E000-memory.dmp

memory/3372-4-0x0000000050120000-0x000000005030D000-memory.dmp

Analysis: behavioral14

Detonation Overview

Submitted

2024-07-21 09:39

Reported

2024-07-21 09:42

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\sqlite3.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4964 wrote to memory of 3660 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4964 wrote to memory of 3660 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4964 wrote to memory of 3660 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\sqlite3.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\sqlite3.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3660 -ip 3660

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 600

Network

Country Destination Domain Proto
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 2.17.178.52.in-addr.arpa udp

Files

memory/3660-0-0x0000000061E00000-0x0000000061ECA000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-21 09:39

Reported

2024-07-21 09:42

Platform

win7-20240705-en

Max time kernel

150s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Setup.exe"

Signatures

Remcos

rat remcos

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2368 set thread context of 2112 N/A C:\Users\Admin\AppData\Local\Temp\Setup.exe C:\Windows\SysWOW64\cmd.exe

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Setup.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Setup.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Setup.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Setup.exe

"C:\Users\Admin\AppData\Local\Temp\Setup.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\SysWOW64\cmd.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

Network

Country Destination Domain Proto
FR 213.5.130.58:443 tcp

Files

memory/2368-0-0x0000000074610000-0x0000000074784000-memory.dmp

memory/2368-1-0x0000000077510000-0x00000000776B9000-memory.dmp

memory/2368-12-0x0000000074622000-0x0000000074624000-memory.dmp

memory/2368-13-0x0000000074610000-0x0000000074784000-memory.dmp

memory/2368-16-0x0000000000400000-0x000000000064B000-memory.dmp

memory/2368-14-0x0000000074610000-0x0000000074784000-memory.dmp

memory/2368-21-0x0000000057800000-0x0000000057812000-memory.dmp

memory/2112-24-0x0000000074610000-0x0000000074784000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\b4498b8b

MD5 087296172345b456bc86037523ee10cd
SHA1 acf071269ac35f920c1bac727bd079abc4b0b460
SHA256 cc245e6bf1db5ed801b5fe442f0a20c8a46a3b903ed8c139d8de724c53147b45
SHA512 38922821579040b90464e379183eed61040c4795b6c306e268cc9161bb20be62566f3d4fde2ee1e84380b461c0df363dc9298ff3ea13dcace1a006a96bc6fb46

memory/2368-23-0x0000000050310000-0x0000000050349000-memory.dmp

memory/2368-20-0x0000000050120000-0x000000005030D000-memory.dmp

memory/2368-19-0x0000000057000000-0x000000005703F000-memory.dmp

memory/2368-18-0x0000000059800000-0x000000005986E000-memory.dmp

memory/2368-17-0x0000000050000000-0x0000000050116000-memory.dmp

memory/2368-22-0x0000000061E00000-0x0000000061ECA000-memory.dmp

memory/2112-26-0x0000000077510000-0x00000000776B9000-memory.dmp

memory/2112-71-0x0000000074610000-0x0000000074784000-memory.dmp

memory/2112-72-0x0000000074610000-0x0000000074784000-memory.dmp

memory/2112-74-0x0000000074610000-0x0000000074784000-memory.dmp

memory/2776-75-0x0000000077510000-0x00000000776B9000-memory.dmp

memory/2776-76-0x0000000000080000-0x0000000000103000-memory.dmp

memory/2776-80-0x0000000000080000-0x0000000000103000-memory.dmp

memory/2776-82-0x0000000000080000-0x0000000000103000-memory.dmp

memory/2776-83-0x0000000000080000-0x0000000000103000-memory.dmp

memory/2776-84-0x0000000000080000-0x0000000000103000-memory.dmp

memory/2776-85-0x0000000000080000-0x0000000000103000-memory.dmp

memory/2776-86-0x0000000000080000-0x0000000000103000-memory.dmp

memory/2776-87-0x0000000000080000-0x0000000000103000-memory.dmp

memory/2776-88-0x0000000000080000-0x0000000000103000-memory.dmp

memory/2776-89-0x0000000000080000-0x0000000000103000-memory.dmp

memory/2776-90-0x0000000000080000-0x0000000000103000-memory.dmp

memory/2776-91-0x0000000000080000-0x0000000000103000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-07-21 09:39

Reported

2024-07-21 09:42

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\datastate.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2004 wrote to memory of 3296 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2004 wrote to memory of 3296 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2004 wrote to memory of 3296 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\datastate.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\datastate.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3296 -ip 3296

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3296 -s 616

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 2.17.178.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral8

Detonation Overview

Submitted

2024-07-21 09:39

Reported

2024-07-21 09:42

Platform

win10v2004-20240709-en

Max time kernel

139s

Max time network

148s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\maddisAsm_.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2936 wrote to memory of 1780 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2936 wrote to memory of 1780 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2936 wrote to memory of 1780 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\maddisAsm_.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\maddisAsm_.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 37.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 21.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/1780-1-0x0000000057000000-0x000000005703F000-memory.dmp

memory/1780-0-0x0000000057800000-0x0000000057812000-memory.dmp

memory/1780-2-0x0000000050000000-0x0000000050116000-memory.dmp

memory/1780-3-0x0000000050120000-0x000000005030D000-memory.dmp

Analysis: behavioral7

Detonation Overview

Submitted

2024-07-21 09:39

Reported

2024-07-21 09:42

Platform

win7-20240708-en

Max time kernel

121s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\maddisAsm_.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2292 wrote to memory of 2904 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2292 wrote to memory of 2904 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2292 wrote to memory of 2904 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2292 wrote to memory of 2904 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2292 wrote to memory of 2904 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2292 wrote to memory of 2904 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2292 wrote to memory of 2904 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\maddisAsm_.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\maddisAsm_.dll,#1

Network

N/A

Files

memory/2904-0-0x0000000057800000-0x0000000057812000-memory.dmp

memory/2904-1-0x0000000050000000-0x0000000050116000-memory.dmp

memory/2904-2-0x0000000057000000-0x000000005703F000-memory.dmp

memory/2904-3-0x0000000050120000-0x000000005030D000-memory.dmp

Analysis: behavioral13

Detonation Overview

Submitted

2024-07-21 09:39

Reported

2024-07-21 09:42

Platform

win7-20240705-en

Max time kernel

140s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\sqlite3.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\sqlite3.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\sqlite3.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 224

Network

N/A

Files

memory/2268-0-0x0000000061E00000-0x0000000061ECA000-memory.dmp

Analysis: behavioral15

Detonation Overview

Submitted

2024-07-21 09:39

Reported

2024-07-21 09:42

Platform

win7-20240708-en

Max time kernel

121s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcl120.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1528 wrote to memory of 2560 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1528 wrote to memory of 2560 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1528 wrote to memory of 2560 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1528 wrote to memory of 2560 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1528 wrote to memory of 2560 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1528 wrote to memory of 2560 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1528 wrote to memory of 2560 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcl120.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcl120.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral16

Detonation Overview

Submitted

2024-07-21 09:39

Reported

2024-07-21 09:42

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcl120.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3088 wrote to memory of 1960 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3088 wrote to memory of 1960 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3088 wrote to memory of 1960 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcl120.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcl120.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 35.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-21 09:39

Reported

2024-07-21 09:42

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Setup.exe"

Signatures

Remcos

rat remcos

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2876 set thread context of 2236 N/A C:\Users\Admin\AppData\Local\Temp\Setup.exe C:\Windows\SysWOW64\cmd.exe

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Setup.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Setup.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Setup.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Setup.exe

"C:\Users\Admin\AppData\Local\Temp\Setup.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\SysWOW64\cmd.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
FR 213.5.130.58:443 tcp
US 8.8.8.8:53 58.130.5.213.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 13.73.50.20.in-addr.arpa udp

Files

memory/2876-0-0x0000000074060000-0x00000000741DB000-memory.dmp

memory/2876-1-0x00007FFD942F0000-0x00007FFD944E5000-memory.dmp

memory/2876-12-0x0000000074072000-0x0000000074074000-memory.dmp

memory/2876-13-0x0000000074060000-0x00000000741DB000-memory.dmp

memory/2876-14-0x0000000074060000-0x00000000741DB000-memory.dmp

memory/2876-22-0x0000000050310000-0x0000000050349000-memory.dmp

memory/2236-24-0x0000000074060000-0x00000000741DB000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\3d0a2df7

MD5 16ee5fd72a2764d0ede43e24092a34e9
SHA1 a43d31f1384a311f5eaa834edb61c4d91f03fa84
SHA256 418f2b68cb74af9f4e4a627b3fb5549f9f22985399e072c075ec0c69f6fc7341
SHA512 d41ca3992bf633ee3762a26724d137de1c5852b60da2e17cdc1da656c3969ccc76eb6509ed7bcceed117edc4cd1765bd2655e69d101c7fe2544e7711ffec1f5d

memory/2876-23-0x0000000061E00000-0x0000000061ECA000-memory.dmp

memory/2876-21-0x0000000050120000-0x000000005030D000-memory.dmp

memory/2876-20-0x0000000057000000-0x000000005703F000-memory.dmp

memory/2876-18-0x0000000050000000-0x0000000050116000-memory.dmp

memory/2876-17-0x0000000059800000-0x000000005986E000-memory.dmp

memory/2876-16-0x0000000000400000-0x000000000064B000-memory.dmp

memory/2876-19-0x0000000057800000-0x0000000057812000-memory.dmp

memory/2236-26-0x00007FFD942F0000-0x00007FFD944E5000-memory.dmp

memory/2236-28-0x0000000074060000-0x00000000741DB000-memory.dmp

memory/2236-29-0x0000000074060000-0x00000000741DB000-memory.dmp

memory/2236-31-0x0000000074060000-0x00000000741DB000-memory.dmp

memory/4496-32-0x00007FFD942F0000-0x00007FFD944E5000-memory.dmp

memory/4496-33-0x0000000000800000-0x0000000000883000-memory.dmp

memory/4496-36-0x0000000000BD3000-0x0000000000BDB000-memory.dmp

memory/4496-37-0x0000000000800000-0x0000000000883000-memory.dmp

memory/4496-39-0x0000000000800000-0x0000000000883000-memory.dmp

memory/4496-40-0x0000000000800000-0x0000000000883000-memory.dmp

memory/4496-41-0x0000000000800000-0x0000000000883000-memory.dmp

memory/4496-42-0x0000000000800000-0x0000000000883000-memory.dmp

memory/4496-43-0x0000000000800000-0x0000000000883000-memory.dmp

memory/4496-45-0x0000000000800000-0x0000000000883000-memory.dmp

memory/4496-47-0x0000000000800000-0x0000000000883000-memory.dmp

memory/4496-48-0x0000000000800000-0x0000000000883000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-07-21 09:39

Reported

2024-07-21 09:42

Platform

win7-20240705-en

Max time kernel

119s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\datastate.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2372 wrote to memory of 2012 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2372 wrote to memory of 2012 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2372 wrote to memory of 2012 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2372 wrote to memory of 2012 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2372 wrote to memory of 2012 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2372 wrote to memory of 2012 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2372 wrote to memory of 2012 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\datastate.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\datastate.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-07-21 09:39

Reported

2024-07-21 09:42

Platform

win7-20240708-en

Max time kernel

119s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\madbasic_.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1056 wrote to memory of 1256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1056 wrote to memory of 1256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1056 wrote to memory of 1256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1056 wrote to memory of 1256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1056 wrote to memory of 1256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1056 wrote to memory of 1256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1056 wrote to memory of 1256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\madbasic_.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\madbasic_.dll,#1

Network

N/A

Files

memory/1256-1-0x0000000050000000-0x0000000050116000-memory.dmp

memory/1256-2-0x0000000050120000-0x000000005030D000-memory.dmp

memory/1256-0-0x0000000057000000-0x000000005703F000-memory.dmp

Analysis: behavioral17

Detonation Overview

Submitted

2024-07-21 09:39

Reported

2024-07-21 09:42

Platform

win7-20240708-en

Max time kernel

140s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\vclx120.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\vclx120.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\vclx120.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2924 -s 268

Network

N/A

Files

memory/2924-0-0x0000000050310000-0x0000000050349000-memory.dmp

memory/2924-1-0x0000000050000000-0x0000000050116000-memory.dmp

memory/2924-2-0x0000000050120000-0x000000005030D000-memory.dmp

Analysis: behavioral6

Detonation Overview

Submitted

2024-07-21 09:39

Reported

2024-07-21 09:42

Platform

win10v2004-20240709-en

Max time kernel

135s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\madbasic_.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3408 wrote to memory of 2196 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3408 wrote to memory of 2196 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3408 wrote to memory of 2196 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\madbasic_.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\madbasic_.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/2196-0-0x0000000057000000-0x000000005703F000-memory.dmp

memory/2196-2-0x0000000050120000-0x000000005030D000-memory.dmp

memory/2196-1-0x0000000050000000-0x0000000050116000-memory.dmp

Analysis: behavioral11

Detonation Overview

Submitted

2024-07-21 09:39

Reported

2024-07-21 09:42

Platform

win7-20240708-en

Max time kernel

117s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\rtl120.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1628 wrote to memory of 2760 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1628 wrote to memory of 2760 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1628 wrote to memory of 2760 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1628 wrote to memory of 2760 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1628 wrote to memory of 2760 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1628 wrote to memory of 2760 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1628 wrote to memory of 2760 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\rtl120.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\rtl120.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral12

Detonation Overview

Submitted

2024-07-21 09:39

Reported

2024-07-21 09:42

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\rtl120.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3944 wrote to memory of 3504 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3944 wrote to memory of 3504 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3944 wrote to memory of 3504 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\rtl120.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\rtl120.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 49.192.11.51.in-addr.arpa udp

Files

N/A

Analysis: behavioral18

Detonation Overview

Submitted

2024-07-21 09:39

Reported

2024-07-21 09:42

Platform

win10v2004-20240709-en

Max time kernel

139s

Max time network

124s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\vclx120.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4948 wrote to memory of 1828 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4948 wrote to memory of 1828 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4948 wrote to memory of 1828 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\vclx120.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\vclx120.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1828 -ip 1828

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1828 -s 676

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/1828-0-0x0000000050310000-0x0000000050349000-memory.dmp

memory/1828-1-0x0000000050000000-0x0000000050116000-memory.dmp

memory/1828-2-0x0000000050120000-0x000000005030D000-memory.dmp