stealc | 09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff

General

Target

09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe
Size

377KB
MD5

1a6b4d357d1b8bab80524e40be1b2698
SHA1

70961ace92a0ebfdb38ae27a22181fb5a4f7d440
SHA256

09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff
SHA512

67484dcb04fc15b09b88679fd3ac860991cebe97c07a27bf9e425e8277def7f61d244690ee582c2be72d0dda3fa486b53382f3e3ad368602d176c5f72a77de67
SSDEEP

6144:NqW5NIK5m09C0h5t4mnNpZO+Ua2PsQxDnK6gDelK88JqeGq0DLt+7SHo:8W5NIYF4mnZO+Ua2zxDnKrZJqtHLt+mI

Score

10^/10

stealc vidar 03cea2609023d13f145ac6c5dc897112 stealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

Version

9.3

Botnet

03cea2609023d13f145ac6c5dc897112

C2

https://steamcommunity.com/profiles/76561199680449169

https://t.me/r1g1o

Attributes

profile_id_v2
03cea2609023d13f145ac6c5dc897112
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 OPR/101.0.0.0

Signatures

Detect Vidar Stealer 3 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/3104-1-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/3104-3-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/3104-5-0x0000000000400000-0x0000000000643000-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

Detects Windows executables referencing non-Windows User-Agents 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3104-1-0x0000000000400000-0x0000000000643000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/3104-3-0x0000000000400000-0x0000000000643000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/3104-5-0x0000000000400000-0x0000000000643000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3104-1-0x0000000000400000-0x0000000000643000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral2/memory/3104-3-0x0000000000400000-0x0000000000643000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral2/memory/3104-5-0x0000000000400000-0x0000000000643000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Detects executables containing potential Windows Defender anti-emulation checks 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3104-1-0x0000000000400000-0x0000000000643000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
behavioral2/memory/3104-3-0x0000000000400000-0x0000000000643000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
behavioral2/memory/3104-5-0x0000000000400000-0x0000000000643000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation

Suspicious use of SetThreadContext 1 IoCs

Processes:

09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe

description	pid	process	target process
PID 3604 set thread context of 3104	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3904 3104 WerFault.exe RegAsm.exe

pid	pid_target	process	target process
3904	3104	WerFault.exe	RegAsm.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe

description	pid	process	target process
PID 3604 wrote to memory of 2504	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 3604 wrote to memory of 2504	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 3604 wrote to memory of 2504	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 3604 wrote to memory of 3352	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 3604 wrote to memory of 3352	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 3604 wrote to memory of 3352	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 3604 wrote to memory of 2292	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 3604 wrote to memory of 2292	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 3604 wrote to memory of 2292	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 3604 wrote to memory of 100	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 3604 wrote to memory of 100	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 3604 wrote to memory of 100	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 3604 wrote to memory of 3104	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 3604 wrote to memory of 3104	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 3604 wrote to memory of 3104	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 3604 wrote to memory of 3104	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 3604 wrote to memory of 3104	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 3604 wrote to memory of 3104	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 3604 wrote to memory of 3104	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 3604 wrote to memory of 3104	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe
PID 3604 wrote to memory of 3104	3604	09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe
"C:\Users\Admin\AppData\Local\Temp\09ad84f8dde519aa02e92ffce896f55271105ceaab7e0f0a1f1ca9fee90650ff.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3604

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:2504

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:3352

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:2292

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:100

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:3104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3104 -s 2324
3⤵
- Program crash
PID:3904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3104 -ip 3104
1⤵
PID:3456

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4044 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
1⤵
PID:932

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3104-1-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3104-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3104-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3604-0-0x0000000000E0E000-0x0000000000E10000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads