Malware Analysis Report

2024-11-13 18:50

Sample ID 240712-3nreyawbpn
Target PO 11072024.exe
SHA256 f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48
Tags
execution remcos 5764576 rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

f6bf4471924e9dba31be59f8b96df06d02c69416c4c0518148507ff5b8f7cd48

Threat Level: Known bad

The file PO 11072024.exe was found to be: Known bad.

Malicious Activity Summary

execution remcos 5764576 rat

Remcos

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-12 23:39

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-12 23:39

Reported

2024-07-12 23:42

Platform

win7-20240705-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe"

Signatures

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1516 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1516 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1516 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1516 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1516 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Windows\SysWOW64\schtasks.exe
PID 1516 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Windows\SysWOW64\schtasks.exe
PID 1516 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Windows\SysWOW64\schtasks.exe
PID 1516 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Windows\SysWOW64\schtasks.exe
PID 1516 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 1516 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 1516 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 1516 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 1516 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 1516 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 1516 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 1516 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 1516 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 1516 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 1516 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 1516 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 1516 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 1516 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 1516 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 1516 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 1516 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 1516 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 1516 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 1516 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe

Processes

C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe

"C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ppUSXdJgAIFILG.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ppUSXdJgAIFILG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF1FD.tmp"

C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe

"C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe"

C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe

"C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe"

C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe

"C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe"

C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe

"C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe"

C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe

"C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe"

Network

N/A

Files

memory/1516-0-0x000000007409E000-0x000000007409F000-memory.dmp

memory/1516-1-0x00000000003C0000-0x00000000004C0000-memory.dmp

memory/1516-2-0x0000000074090000-0x000000007477E000-memory.dmp

memory/1516-3-0x0000000000650000-0x0000000000660000-memory.dmp

memory/1516-4-0x0000000000A80000-0x0000000000A8E000-memory.dmp

memory/1516-5-0x0000000004EA0000-0x0000000004F5E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpF1FD.tmp

MD5 73158cb6f567f6735f8807a104400da5
SHA1 b9d57f8e1936971171b7396b4401950cdd662aed
SHA256 ea0bd6270289742adac840c3ee9789cdbcf0d1f890d645e01e2a930338dc9ec1
SHA512 a820c82a61406fb632386f1a28759f3872aeaceddb2b88e8e61172f938bab17070f4416283a34831c102b9eb069daf1e044d35bb7bd3b0b45a626d30825e31ca

memory/1516-13-0x0000000074090000-0x000000007477E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-12 23:39

Reported

2024-07-12 23:42

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe"

Signatures

Remcos

rat remcos

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 556 set thread context of 4492 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 556 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 556 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 556 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 556 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Windows\SysWOW64\schtasks.exe
PID 556 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Windows\SysWOW64\schtasks.exe
PID 556 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Windows\SysWOW64\schtasks.exe
PID 556 wrote to memory of 1932 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 556 wrote to memory of 1932 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 556 wrote to memory of 1932 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 556 wrote to memory of 4368 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 556 wrote to memory of 4368 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 556 wrote to memory of 4368 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 556 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 556 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 556 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 556 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 556 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 556 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 556 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 556 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 556 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 556 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 556 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe
PID 556 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe

Processes

C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe

"C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ppUSXdJgAIFILG.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ppUSXdJgAIFILG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC592.tmp"

C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe

"C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe"

C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe

"C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe"

C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe

"C:\Users\Admin\AppData\Local\Temp\PO 11072024.exe"

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 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
SG 172.93.218.178:45667 tcp
US 8.8.8.8:53 geoplugin.net udp
US 8.8.8.8:53 178.218.93.172.in-addr.arpa udp
NL 178.237.33.50:80 geoplugin.net tcp
US 8.8.8.8:53 50.33.237.178.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/556-0-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

memory/556-1-0x0000000000810000-0x0000000000910000-memory.dmp

memory/556-2-0x0000000005920000-0x0000000005EC4000-memory.dmp

memory/556-3-0x0000000005370000-0x0000000005402000-memory.dmp

memory/556-4-0x0000000005320000-0x000000000532A000-memory.dmp

memory/556-5-0x0000000074B90000-0x0000000075340000-memory.dmp

memory/556-6-0x0000000005910000-0x0000000005920000-memory.dmp

memory/556-7-0x0000000006560000-0x000000000656E000-memory.dmp

memory/556-8-0x00000000065C0000-0x000000000667E000-memory.dmp

memory/556-9-0x00000000069E0000-0x0000000006A7C000-memory.dmp

memory/2524-14-0x0000000005410000-0x0000000005446000-memory.dmp

memory/2524-15-0x0000000074B90000-0x0000000075340000-memory.dmp

memory/2524-16-0x0000000005A80000-0x00000000060A8000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpC592.tmp

MD5 8a95b7f85db23348fd1e456b30fedede
SHA1 89b5304104279657eb8982ad8cd58834c8bfc283
SHA256 0a41df1ae34d3417881f569b1ad05c40384e961cfb992596e49cdd240af644cd
SHA512 94aa7a20c03077738396e47198c374c5a4f80097b0d79fe85dfeea9d3fd31db2928c1dbc942b6b0f647a63c3d7715ef8e13a71a820f0ffaa38ad57a4e0a56977

memory/2524-18-0x0000000074B90000-0x0000000075340000-memory.dmp

memory/2524-19-0x0000000074B90000-0x0000000075340000-memory.dmp

memory/2524-20-0x00000000061E0000-0x0000000006202000-memory.dmp

memory/2524-22-0x00000000062F0000-0x0000000006356000-memory.dmp

memory/2524-21-0x0000000006280000-0x00000000062E6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u1hrkzfd.pqg.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4492-32-0x0000000000400000-0x000000000047F000-memory.dmp

memory/4492-33-0x0000000000400000-0x000000000047F000-memory.dmp

memory/4492-37-0x0000000000400000-0x000000000047F000-memory.dmp

memory/4492-39-0x0000000000400000-0x000000000047F000-memory.dmp

memory/4492-35-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2524-34-0x0000000006360000-0x00000000066B4000-memory.dmp

memory/2524-40-0x0000000006960000-0x000000000697E000-memory.dmp

memory/556-42-0x0000000074B90000-0x0000000075340000-memory.dmp

memory/2524-41-0x0000000006D20000-0x0000000006D6C000-memory.dmp

memory/4492-44-0x0000000000400000-0x000000000047F000-memory.dmp

memory/4492-43-0x0000000000400000-0x000000000047F000-memory.dmp

memory/4492-45-0x0000000000400000-0x000000000047F000-memory.dmp

memory/4492-47-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2524-48-0x0000000006F20000-0x0000000006F52000-memory.dmp

memory/2524-49-0x000000006F6A0000-0x000000006F6EC000-memory.dmp

memory/2524-59-0x0000000006FB0000-0x0000000006FCE000-memory.dmp

memory/2524-60-0x0000000007970000-0x0000000007A13000-memory.dmp

memory/2524-61-0x00000000082D0000-0x000000000894A000-memory.dmp

memory/2524-62-0x0000000007C90000-0x0000000007CAA000-memory.dmp

memory/2524-63-0x0000000007D00000-0x0000000007D0A000-memory.dmp

memory/2524-64-0x0000000007F10000-0x0000000007FA6000-memory.dmp

memory/2524-65-0x0000000007E90000-0x0000000007EA1000-memory.dmp

memory/2524-66-0x0000000007EC0000-0x0000000007ECE000-memory.dmp

memory/2524-67-0x0000000007ED0000-0x0000000007EE4000-memory.dmp

memory/2524-68-0x0000000007FD0000-0x0000000007FEA000-memory.dmp

memory/2524-69-0x0000000007FB0000-0x0000000007FB8000-memory.dmp

memory/2524-72-0x0000000074B90000-0x0000000075340000-memory.dmp

memory/4492-73-0x0000000000400000-0x000000000047F000-memory.dmp

memory/4492-74-0x0000000000400000-0x000000000047F000-memory.dmp

memory/4492-75-0x0000000000400000-0x000000000047F000-memory.dmp

memory/4492-76-0x0000000000400000-0x000000000047F000-memory.dmp

memory/4492-77-0x0000000000400000-0x000000000047F000-memory.dmp

memory/4492-78-0x0000000000400000-0x000000000047F000-memory.dmp

memory/4492-79-0x0000000000400000-0x000000000047F000-memory.dmp

memory/4492-80-0x0000000000400000-0x000000000047F000-memory.dmp

memory/4492-81-0x0000000000400000-0x000000000047F000-memory.dmp