stealc | 716b19201a3109a3fb15b0401cb86a9be6df726c8b3a1a1c88cefb445457966b

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
30-04-2024 01:28

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General

Target

716b19201a3109a3fb15b0401cb86a9be6df726c8b3a1a1c88cefb445457966b.exe
Size

359KB
MD5

b898ced2e152060f5770f1c6337006f6
SHA1

b607705b76412adecc350bd38994d94ca3870f5a
SHA256

716b19201a3109a3fb15b0401cb86a9be6df726c8b3a1a1c88cefb445457966b
SHA512

4abd4a0c23f8d92c722246cab49797a840ebfd3cd4b900ba310ff243c529149b887620cfee3241c1605e1ae5dab501ee17a8d4de0634c8c52792677b107029a7
SSDEEP

6144:YSgQdkTUGJXOjv5o1SDQadvOKfj7RG77sxEPqwt4vg51O+CNkvtPUavkb3eXr:1gSkTUGRODeaMKLtGfWLwCvRk1PJoeXr

Score

10^/10

stealc vidar stealer

Malware Config

Signatures

Detect Vidar Stealer 1 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/2292-0-0x00000000009D0000-0x0000000000A2E000-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 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2292-0-0x00000000009D0000-0x0000000000A2E000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2292-0-0x00000000009D0000-0x0000000000A2E000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Detects executables containing potential Windows Defender anti-emulation checks 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2292-0-0x00000000009D0000-0x0000000000A2E000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2052 2292 WerFault.exe 716b19201a3109a3fb15b0401cb86a9be6df726c8b3a1a1c88cefb445457966b.exe

pid	pid_target	process	target process
2052	2292	WerFault.exe	716b19201a3109a3fb15b0401cb86a9be6df726c8b3a1a1c88cefb445457966b.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

716b19201a3109a3fb15b0401cb86a9be6df726c8b3a1a1c88cefb445457966b.exe

description	pid	process	target process
PID 2292 wrote to memory of 2052	2292	716b19201a3109a3fb15b0401cb86a9be6df726c8b3a1a1c88cefb445457966b.exe	WerFault.exe
PID 2292 wrote to memory of 2052	2292	716b19201a3109a3fb15b0401cb86a9be6df726c8b3a1a1c88cefb445457966b.exe	WerFault.exe
PID 2292 wrote to memory of 2052	2292	716b19201a3109a3fb15b0401cb86a9be6df726c8b3a1a1c88cefb445457966b.exe	WerFault.exe
PID 2292 wrote to memory of 2052	2292	716b19201a3109a3fb15b0401cb86a9be6df726c8b3a1a1c88cefb445457966b.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\716b19201a3109a3fb15b0401cb86a9be6df726c8b3a1a1c88cefb445457966b.exe
"C:\Users\Admin\AppData\Local\Temp\716b19201a3109a3fb15b0401cb86a9be6df726c8b3a1a1c88cefb445457966b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2292 -s 48
2⤵
- Program crash
PID:2052

MITRE ATT&CK Matrix

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Downloads

memory/2292-0-0x00000000009D0000-0x0000000000A2E000-memory.dmp

Filesize
376KB

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads