stealc | 12ca25e6461fd5a1178fdc0a4b23cfa88225dec174fbd48ff6587a50b24d5a38

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
15-06-2024 19:52

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General

Target

#)#NEw_SetUp_33778_P@$$Key#(#/New-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/2056-28-0x0000000000610000-0x0000000000D5B000-memory.dmp	family_vidar_v7
behavioral1/memory/2056-35-0x0000000000610000-0x0000000000D5B000-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

1700 netsh.exe
2056 coml.au3
2552 WerFault.exe
2552 WerFault.exe
2552 WerFault.exe
2552 WerFault.exe
2552 WerFault.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

New-Setup.exe

description pid process target process

PID 2848 set thread context of 1700 2848 New-Setup.exe netsh.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2552 2056 WerFault.exe coml.au3
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

New-Setup.exenetsh.exe

pid process

2848 New-Setup.exe
2848 New-Setup.exe
1700 netsh.exe
1700 netsh.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

New-Setup.exenetsh.exe

pid process

2848 New-Setup.exe
1700 netsh.exe

pid	process
1700	netsh.exe
2056	coml.au3
2552	WerFault.exe
2552	WerFault.exe
2552	WerFault.exe
2552	WerFault.exe
2552	WerFault.exe

description	pid	process	target process
PID 2848 set thread context of 1700	2848	New-Setup.exe	netsh.exe

pid	pid_target	process	target process
2552	2056	WerFault.exe	coml.au3

pid	process
2848	New-Setup.exe
2848	New-Setup.exe
1700	netsh.exe
1700	netsh.exe

pid	process
2848	New-Setup.exe
1700	netsh.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

New-Setup.exenetsh.execoml.au3

description	pid	process	target process
PID 2848 wrote to memory of 1700	2848	New-Setup.exe	netsh.exe
PID 2848 wrote to memory of 1700	2848	New-Setup.exe	netsh.exe
PID 2848 wrote to memory of 1700	2848	New-Setup.exe	netsh.exe
PID 2848 wrote to memory of 1700	2848	New-Setup.exe	netsh.exe
PID 2848 wrote to memory of 1700	2848	New-Setup.exe	netsh.exe
PID 1700 wrote to memory of 2056	1700	netsh.exe	coml.au3
PID 1700 wrote to memory of 2056	1700	netsh.exe	coml.au3
PID 1700 wrote to memory of 2056	1700	netsh.exe	coml.au3
PID 1700 wrote to memory of 2056	1700	netsh.exe	coml.au3
PID 1700 wrote to memory of 2056	1700	netsh.exe	coml.au3
PID 1700 wrote to memory of 2056	1700	netsh.exe	coml.au3
PID 2056 wrote to memory of 2552	2056	coml.au3	WerFault.exe
PID 2056 wrote to memory of 2552	2056	coml.au3	WerFault.exe
PID 2056 wrote to memory of 2552	2056	coml.au3	WerFault.exe
PID 2056 wrote to memory of 2552	2056	coml.au3	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\#)#NEw_SetUp_33778_P@$$Key#(#\New-Setup.exe
"C:\Users\Admin\AppData\Local\Temp\#)#NEw_SetUp_33778_P@$$Key#(#\New-Setup.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2848

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:1700

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:2056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 148
4⤵
- Loads dropped DLL
- Program crash
PID:2552

MITRE ATT&CK Matrix

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Downloads

C:\Users\Admin\AppData\Local\Temp\a353b48d
Filesize
6.8MB

MD5
6106b6b627fc9ef652a4412c668d7d5c

SHA1
1c528f172b9153f36b075beee010f754e7c31350

SHA256
f91f7e386efa56c530967a8e2d8c8b926bac00859c5d3eb7fad274137e9629e0

SHA512
003b0f55889233f9d28dff77bb652360e9397339e3427780e1918876089fee5f8783c7258e833ea7714dd31818d662fe5d205f88e6e4d159ddd05cdd2b84ad04

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

MD5
c56b5f0201a3b3de53e561fe76912bfd

SHA1
2a4062e10a5de813f5688221dbeb3f3ff33eb417

SHA256
237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

SHA512
195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

Download Submit
memory/1700-17-0x0000000073D20000-0x0000000073E94000-memory.dmp

Filesize
1.5MB

Download
memory/1700-15-0x0000000077A30000-0x0000000077BD9000-memory.dmp

Filesize
1.7MB

Download
memory/1700-22-0x0000000073D20000-0x0000000073E94000-memory.dmp

Filesize
1.5MB

Download
memory/1700-20-0x0000000073D2E000-0x0000000073D30000-memory.dmp

Filesize
8KB

Download
memory/1700-26-0x0000000073D20000-0x0000000073E94000-memory.dmp

Filesize
1.5MB

Download
memory/2056-25-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2056-24-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2056-28-0x0000000000610000-0x0000000000D5B000-memory.dmp

Filesize
7.3MB

Download
memory/2056-35-0x0000000000610000-0x0000000000D5B000-memory.dmp

Filesize
7.3MB

Download
memory/2848-13-0x000007FEF6021000-0x000007FEF6039000-memory.dmp

Filesize
96KB

Download
memory/2848-10-0x000007FEF6038000-0x000007FEF6039000-memory.dmp

Filesize
4KB

Download
memory/2848-11-0x000007FEF6021000-0x000007FEF6039000-memory.dmp

Filesize
96KB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads