stealc | df6c90984fb8ff5d00e91148c3d6c0884803eab382f43349d735aaf8fa10069d

General

Target

!#Fileş_#!UŞe~Passw0rd__~.~140615~.~__/Setup.exe
Size

316KB
MD5

c637e5ecf625b72f4bef9d28cd81d612
SHA1

a2c1329d290e508ee9fd0eb81e7f25d57e450f8c
SHA256

111c56593668be63e1e0c79a2d33d9e2d49cdf0c5100663c72045bc6b76e9fe6
SHA512

727d78bab4fab3674eec92ca5f07df6a0095ab3b973dd227c599c70e8493592bb53bb9208cc6270713283ef0065acfad3203ddcf4dcb6d43f8727f09ceaaf2e4
SSDEEP

6144:VzsRSKkhKKXDD2mTLGxelHJ+SBae3VFpSX:6VkhZWEGxelH0SBtfpS

Score

10^/10

stealc vidar stealer

Malware Config

Extracted

Family

stealc

rc4.plain

Signatures

Detect Vidar Stealer 2 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/2656-29-0x0000000000D30000-0x000000000147C000-memory.dmp	family_vidar_v7
behavioral1/memory/2656-35-0x0000000000D30000-0x000000000147C000-memory.dmp	family_vidar_v7

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Loads dropped DLL 7 IoCs

Processes:

netsh.execoml.au3WerFault.exe

pid process

2524 netsh.exe
2656 coml.au3
2160 WerFault.exe
2160 WerFault.exe
2160 WerFault.exe
2160 WerFault.exe
2160 WerFault.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Setup.exe

description pid process target process

PID 1936 set thread context of 2524 1936 Setup.exe netsh.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2160 2656 WerFault.exe coml.au3
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Setup.exenetsh.exe

pid process

1936 Setup.exe
1936 Setup.exe
2524 netsh.exe
2524 netsh.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

Setup.exenetsh.exe

pid process

1936 Setup.exe
2524 netsh.exe

pid	process
2524	netsh.exe
2656	coml.au3
2160	WerFault.exe
2160	WerFault.exe
2160	WerFault.exe
2160	WerFault.exe
2160	WerFault.exe

description	pid	process	target process
PID 1936 set thread context of 2524	1936	Setup.exe	netsh.exe

pid	pid_target	process	target process
2160	2656	WerFault.exe	coml.au3

pid	process
1936	Setup.exe
1936	Setup.exe
2524	netsh.exe
2524	netsh.exe

pid	process
1936	Setup.exe
2524	netsh.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Setup.exenetsh.execoml.au3

description	pid	process	target process
PID 1936 wrote to memory of 2524	1936	Setup.exe	netsh.exe
PID 1936 wrote to memory of 2524	1936	Setup.exe	netsh.exe
PID 1936 wrote to memory of 2524	1936	Setup.exe	netsh.exe
PID 1936 wrote to memory of 2524	1936	Setup.exe	netsh.exe
PID 1936 wrote to memory of 2524	1936	Setup.exe	netsh.exe
PID 2524 wrote to memory of 2656	2524	netsh.exe	coml.au3
PID 2524 wrote to memory of 2656	2524	netsh.exe	coml.au3
PID 2524 wrote to memory of 2656	2524	netsh.exe	coml.au3
PID 2524 wrote to memory of 2656	2524	netsh.exe	coml.au3
PID 2524 wrote to memory of 2656	2524	netsh.exe	coml.au3
PID 2524 wrote to memory of 2656	2524	netsh.exe	coml.au3
PID 2656 wrote to memory of 2160	2656	coml.au3	WerFault.exe
PID 2656 wrote to memory of 2160	2656	coml.au3	WerFault.exe
PID 2656 wrote to memory of 2160	2656	coml.au3	WerFault.exe
PID 2656 wrote to memory of 2160	2656	coml.au3	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\!#Fileş_#!UŞe~Passw0rd__~.~140615~.~__\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\!#Fileş_#!UŞe~Passw0rd__~.~140615~.~__\Setup.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1936

C:\Windows\SysWOW64\netsh.exe
C:\Windows\SysWOW64\netsh.exe
2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2524

C:\Users\Admin\AppData\Local\Temp\coml.au3
C:\Users\Admin\AppData\Local\Temp\coml.au3
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 148
4⤵
- Loads dropped DLL
- Program crash
PID:2160

MITRE ATT&CK Matrix

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Downloads

C:\Users\Admin\AppData\Local\Temp\92f3679a
Filesize
6.8MB

MD5
87729f476df6bbbc6519fd2dcfb8cfee

SHA1
4867adb3bbfe47e4641b1d857666ad88f39ab61d

SHA256
265a99ee2148751731e9ee3387fbf3f2e8e4294430531e5e4174ff07f6229903

SHA512
70da14135700a79ce3521c60b7b21ce428c65089b37dcd1e8acf5c3bdd61d1e944e9a52dfdfe4f481cd9b1dede2043a4af94a60c73c72310caaf6ae91c631142

Download Submit
\Users\Admin\AppData\Local\Temp\coml.au3
Filesize
872KB

MD5
c56b5f0201a3b3de53e561fe76912bfd

SHA1
2a4062e10a5de813f5688221dbeb3f3ff33eb417

SHA256
237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

SHA512
195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

Download Submit
memory/1936-10-0x000007FEF5F68000-0x000007FEF5F69000-memory.dmp

Filesize
4KB

Download
memory/1936-11-0x000007FEF5F51000-0x000007FEF5F69000-memory.dmp

Filesize
96KB

Download
memory/1936-13-0x000007FEF5F51000-0x000007FEF5F69000-memory.dmp

Filesize
96KB

Download
memory/2524-17-0x0000000073A50000-0x0000000073BC4000-memory.dmp

Filesize
1.5MB

Download
memory/2524-18-0x0000000073A5E000-0x0000000073A60000-memory.dmp

Filesize
8KB

Download
memory/2524-15-0x0000000077750000-0x00000000778F9000-memory.dmp

Filesize
1.7MB

Download
memory/2524-22-0x0000000073A50000-0x0000000073BC4000-memory.dmp

Filesize
1.5MB

Download
memory/2524-26-0x0000000073A50000-0x0000000073BC4000-memory.dmp

Filesize
1.5MB

Download
memory/2656-25-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2656-24-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2656-29-0x0000000000D30000-0x000000000147C000-memory.dmp

Filesize
7.3MB

Download
memory/2656-35-0x0000000000D30000-0x000000000147C000-memory.dmp

Filesize
7.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads