Malware Analysis Report

2024-11-16 13:46

Sample ID 240628-2yjx6sxenr
Target 113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee
SHA256 113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee
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

113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee

Threat Level: Known bad

The file 113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Detect Vidar Stealer

Vidar

Stealc

Downloads MZ/PE file

Checks computer location settings

Executes dropped EXE

Reads user/profile data of web browsers

Reads data files stored by FTP clients

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

Checks processor information in registry

Delays execution with timeout.exe

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-28 22:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-28 22:59

Reported

2024-06-28 23:01

Platform

win10v2004-20240611-en

Max time kernel

134s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe"

Signatures

Detect Vidar Stealer

stealer
Description Indicator Process Target
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Stealc

stealer stealc

Vidar

stealer vidar

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\kat5350.tmp N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat5350.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 4796 set thread context of 1596 N/A C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe C:\Users\Admin\AppData\Local\Temp\kat5350.tmp

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat5350.tmp N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\kat5350.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 4796 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe C:\Users\Admin\AppData\Local\Temp\kat5350.tmp
PID 4796 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe C:\Users\Admin\AppData\Local\Temp\kat5350.tmp
PID 4796 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe C:\Users\Admin\AppData\Local\Temp\kat5350.tmp
PID 4796 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe C:\Users\Admin\AppData\Local\Temp\kat5350.tmp
PID 4796 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe C:\Users\Admin\AppData\Local\Temp\kat5350.tmp
PID 4796 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe C:\Users\Admin\AppData\Local\Temp\kat5350.tmp
PID 4796 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe C:\Users\Admin\AppData\Local\Temp\kat5350.tmp
PID 4796 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe C:\Users\Admin\AppData\Local\Temp\kat5350.tmp
PID 1596 wrote to memory of 3088 N/A C:\Users\Admin\AppData\Local\Temp\kat5350.tmp C:\Windows\SysWOW64\cmd.exe
PID 1596 wrote to memory of 3088 N/A C:\Users\Admin\AppData\Local\Temp\kat5350.tmp C:\Windows\SysWOW64\cmd.exe
PID 1596 wrote to memory of 3088 N/A C:\Users\Admin\AppData\Local\Temp\kat5350.tmp C:\Windows\SysWOW64\cmd.exe
PID 3088 wrote to memory of 4112 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 3088 wrote to memory of 4112 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 3088 wrote to memory of 4112 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe

"C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe"

C:\Users\Admin\AppData\Local\Temp\kat5350.tmp

C:\Users\Admin\AppData\Local\Temp\kat5350.tmp

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat5350.tmp" & rd /s /q "C:\ProgramData\JDHJKKFBAEGD" & exit

C:\Windows\SysWOW64\timeout.exe

timeout /t 10

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 145.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 t.me udp
NL 149.154.167.99:443 t.me tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
DE 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 24.249.124.192.in-addr.arpa udp
US 8.8.8.8:53 99.167.154.149.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
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
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 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 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.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 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/4796-0-0x00000000023A0000-0x00000000023A1000-memory.dmp

memory/4796-2-0x0000000002A30000-0x0000000002B40000-memory.dmp

memory/1596-4-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat5350.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/4796-9-0x0000000000400000-0x0000000000635000-memory.dmp

memory/1596-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1596-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1596-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1596-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1596-25-0x0000000022810000-0x0000000022A6F000-memory.dmp

memory/1596-33-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1596-34-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1596-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1596-43-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1596-59-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1596-60-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1596-61-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1596-72-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1596-73-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1596-74-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-28 22:59

Reported

2024-06-28 23:02

Platform

win11-20240508-en

Max time kernel

148s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe"

Signatures

Detect Vidar Stealer

stealer
Description Indicator Process Target
N/A N/A N/A N/A
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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\kat69E5.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 3760 set thread context of 4864 N/A C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe C:\Users\Admin\AppData\Local\Temp\kat69E5.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\kat69E5.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat69E5.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 3760 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe C:\Users\Admin\AppData\Local\Temp\kat69E5.tmp
PID 3760 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe C:\Users\Admin\AppData\Local\Temp\kat69E5.tmp
PID 3760 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe C:\Users\Admin\AppData\Local\Temp\kat69E5.tmp
PID 3760 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe C:\Users\Admin\AppData\Local\Temp\kat69E5.tmp
PID 3760 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe C:\Users\Admin\AppData\Local\Temp\kat69E5.tmp
PID 3760 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe C:\Users\Admin\AppData\Local\Temp\kat69E5.tmp
PID 3760 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe C:\Users\Admin\AppData\Local\Temp\kat69E5.tmp
PID 3760 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe C:\Users\Admin\AppData\Local\Temp\kat69E5.tmp
PID 4864 wrote to memory of 4036 N/A C:\Users\Admin\AppData\Local\Temp\kat69E5.tmp C:\Windows\SysWOW64\cmd.exe
PID 4864 wrote to memory of 4036 N/A C:\Users\Admin\AppData\Local\Temp\kat69E5.tmp C:\Windows\SysWOW64\cmd.exe
PID 4864 wrote to memory of 4036 N/A C:\Users\Admin\AppData\Local\Temp\kat69E5.tmp C:\Windows\SysWOW64\cmd.exe
PID 4036 wrote to memory of 444 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 4036 wrote to memory of 444 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 4036 wrote to memory of 444 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe

"C:\Users\Admin\AppData\Local\Temp\113becce6e3bab10d6b357ddacd9d907ef3d5e9955bcb8198a6df280b280f3ee.exe"

C:\Users\Admin\AppData\Local\Temp\kat69E5.tmp

C:\Users\Admin\AppData\Local\Temp\kat69E5.tmp

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat69E5.tmp" & rd /s /q "C:\ProgramData\EGDAEBGIDBGH" & 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
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 8.8.8.8:53 145.83.221.88.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 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/3760-0-0x00000000024A0000-0x00000000024A1000-memory.dmp

memory/3760-2-0x0000000004060000-0x0000000004170000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat69E5.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/3760-9-0x0000000000400000-0x0000000000635000-memory.dmp

memory/4864-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4864-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4864-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4864-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4864-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4864-27-0x00000000227B0000-0x0000000022A0F000-memory.dmp

memory/4864-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4864-43-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4864-59-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4864-60-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4864-71-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4864-72-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4864-73-0x0000000000400000-0x0000000000648000-memory.dmp