Malware Analysis Report

2024-11-16 13:51

Sample ID 240628-dpsxqayane
Target 889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b
SHA256 889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b
Tags
stealc vidar discovery spyware stealer
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

889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b

Threat Level: Known bad

The file 889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Stealc

Detect Vidar Stealer

Vidar

Downloads MZ/PE file

Reads user/profile data of web browsers

Reads data files stored by FTP clients

Executes dropped EXE

Checks computer location settings

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Delays execution with timeout.exe

Checks processor information in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-28 03:11

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-28 03:11

Reported

2024-06-28 03:14

Platform

win10v2004-20240508-en

Max time kernel

93s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe"

Signatures

Detect Vidar Stealer

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

Stealc

stealer stealc

Vidar

stealer vidar

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\kat42A6.tmp N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat42A6.tmp N/A

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Checks installed software on the system

discovery

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3180 set thread context of 668 N/A C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe C:\Users\Admin\AppData\Local\Temp\kat42A6.tmp

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\kat42A6.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat42A6.tmp N/A

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\timeout.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3180 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe C:\Users\Admin\AppData\Local\Temp\kat42A6.tmp
PID 3180 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe C:\Users\Admin\AppData\Local\Temp\kat42A6.tmp
PID 3180 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe C:\Users\Admin\AppData\Local\Temp\kat42A6.tmp
PID 3180 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe C:\Users\Admin\AppData\Local\Temp\kat42A6.tmp
PID 3180 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe C:\Users\Admin\AppData\Local\Temp\kat42A6.tmp
PID 3180 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe C:\Users\Admin\AppData\Local\Temp\kat42A6.tmp
PID 3180 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe C:\Users\Admin\AppData\Local\Temp\kat42A6.tmp
PID 3180 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe C:\Users\Admin\AppData\Local\Temp\kat42A6.tmp
PID 668 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\kat42A6.tmp C:\Windows\SysWOW64\cmd.exe
PID 668 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\kat42A6.tmp C:\Windows\SysWOW64\cmd.exe
PID 668 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\kat42A6.tmp C:\Windows\SysWOW64\cmd.exe
PID 1700 wrote to memory of 4012 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1700 wrote to memory of 4012 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1700 wrote to memory of 4012 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe

"C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe"

C:\Users\Admin\AppData\Local\Temp\kat42A6.tmp

C:\Users\Admin\AppData\Local\Temp\kat42A6.tmp

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat42A6.tmp" & rd /s /q "C:\ProgramData\KEHDHIDAEHCF" & exit

C:\Windows\SysWOW64\timeout.exe

timeout /t 10

Network

Country Destination Domain Proto
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 t.me udp
NL 149.154.167.99:443 t.me tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 41.249.124.192.in-addr.arpa udp
US 8.8.8.8:53 214.251.201.195.in-addr.arpa udp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 tea.arpdabl.org udp
DE 207.180.253.128:80 tea.arpdabl.org tcp
US 8.8.8.8:53 128.253.180.207.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/3180-0-0x0000000000840000-0x0000000000841000-memory.dmp

memory/3180-1-0x0000000004040000-0x0000000004150000-memory.dmp

memory/668-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/668-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/668-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3180-9-0x0000000000400000-0x000000000058E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat42A6.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/668-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/668-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/668-25-0x0000000022710000-0x000000002296F000-memory.dmp

memory/668-40-0x0000000000400000-0x0000000000648000-memory.dmp

memory/668-41-0x0000000000400000-0x0000000000648000-memory.dmp

memory/668-57-0x0000000000400000-0x0000000000648000-memory.dmp

memory/668-58-0x0000000000400000-0x0000000000648000-memory.dmp

memory/668-69-0x0000000000400000-0x0000000000648000-memory.dmp

memory/668-70-0x0000000000400000-0x0000000000648000-memory.dmp

memory/668-71-0x0000000000400000-0x0000000000648000-memory.dmp

memory/668-72-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-28 03:11

Reported

2024-06-28 03:13

Platform

win11-20240611-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe"

Signatures

Detect Vidar Stealer

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

Stealc

stealer stealc

Vidar

stealer vidar

Downloads MZ/PE file

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat79C4.tmp N/A

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Checks installed software on the system

discovery

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4656 set thread context of 4512 N/A C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe C:\Users\Admin\AppData\Local\Temp\kat79C4.tmp

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\kat79C4.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat79C4.tmp N/A

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\timeout.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4656 wrote to memory of 4512 N/A C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe C:\Users\Admin\AppData\Local\Temp\kat79C4.tmp
PID 4656 wrote to memory of 4512 N/A C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe C:\Users\Admin\AppData\Local\Temp\kat79C4.tmp
PID 4656 wrote to memory of 4512 N/A C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe C:\Users\Admin\AppData\Local\Temp\kat79C4.tmp
PID 4656 wrote to memory of 4512 N/A C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe C:\Users\Admin\AppData\Local\Temp\kat79C4.tmp
PID 4656 wrote to memory of 4512 N/A C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe C:\Users\Admin\AppData\Local\Temp\kat79C4.tmp
PID 4656 wrote to memory of 4512 N/A C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe C:\Users\Admin\AppData\Local\Temp\kat79C4.tmp
PID 4656 wrote to memory of 4512 N/A C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe C:\Users\Admin\AppData\Local\Temp\kat79C4.tmp
PID 4656 wrote to memory of 4512 N/A C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe C:\Users\Admin\AppData\Local\Temp\kat79C4.tmp
PID 4512 wrote to memory of 1208 N/A C:\Users\Admin\AppData\Local\Temp\kat79C4.tmp C:\Windows\SysWOW64\cmd.exe
PID 4512 wrote to memory of 1208 N/A C:\Users\Admin\AppData\Local\Temp\kat79C4.tmp C:\Windows\SysWOW64\cmd.exe
PID 4512 wrote to memory of 1208 N/A C:\Users\Admin\AppData\Local\Temp\kat79C4.tmp C:\Windows\SysWOW64\cmd.exe
PID 1208 wrote to memory of 2116 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1208 wrote to memory of 2116 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1208 wrote to memory of 2116 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe

"C:\Users\Admin\AppData\Local\Temp\889fc55421b39213bbdfe8010744355eff80e2101ded8ea9b6b09c64261dd25b.exe"

C:\Users\Admin\AppData\Local\Temp\kat79C4.tmp

C:\Users\Admin\AppData\Local\Temp\kat79C4.tmp

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat79C4.tmp" & rd /s /q "C:\ProgramData\HDAFHIDGIJKJ" & exit

C:\Windows\SysWOW64\timeout.exe

timeout /t 10

Network

Country Destination Domain Proto
US 8.8.8.8:53 t.me udp
NL 149.154.167.99:443 t.me tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 24.249.124.192.in-addr.arpa udp
US 8.8.8.8:53 214.251.201.195.in-addr.arpa udp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 207.180.253.128:80 tea.arpdabl.org tcp

Files

memory/4656-0-0x00000000022E0000-0x00000000022E1000-memory.dmp

memory/4656-2-0x0000000002A80000-0x0000000002B90000-memory.dmp

memory/4512-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4512-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4656-9-0x0000000000400000-0x000000000058E000-memory.dmp

memory/4512-10-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat79C4.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/4512-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4512-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4512-27-0x000000002D170000-0x000000002D3CF000-memory.dmp

memory/4512-35-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4512-36-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4512-44-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4512-45-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4512-61-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4512-62-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4512-73-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4512-74-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4512-75-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4512-78-0x0000000000400000-0x0000000000648000-memory.dmp