stealc | bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238

Analysis

max time kernel
134s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 12:35

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General

Target

bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe
Size

2.4MB
MD5

102aa72dbd8fd873b3ac34eb95563b03
SHA1

6117b69f7aa1fecf3e01be7ae3716080f4e0c861
SHA256

bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238
SHA512

b117022a0da5ae0f0873a13e6f63bed840da8258e5839bffdd2be9e5a465edf7f412e95e9ee62dc052c9ee25a08007e1414ab9e6f4ce5590f747974cc5d76714
SSDEEP

49152:gFqD7FhtNOPJ33t+8T9z56I/xxPIdf5ou/f/QNnxHzAh2IG9BYhUdXayxbcI:xFhOPZ9+kF5hkdR5/XQNK0IG9BYhUMg

Score

10^/10

stealc default discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default

http://85.28.47.4

Attributes

url_path
/920475a59bac849d.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of NtSetInformationThreadHideFromDebugger 14 IoCs

Processes:

bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe

pid	process
876	bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe
876	bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe
876	bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe
876	bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe
876	bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe
876	bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe
876	bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe
876	bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe
876	bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe
876	bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe
876	bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe
876	bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe
876	bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe
876	bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2920 876 WerFault.exe bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe

pid	pid_target	process	target process
2920	876	WerFault.exe	bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe

pid process

876 bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe
876 bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe

pid process

876 bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe

C:\Users\Admin\AppData\Local\Temp\bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe
"C:\Users\Admin\AppData\Local\Temp\bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 876 -s 896
2⤵
- Program crash
PID:2920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 876 -ip 876
1⤵
PID:4568

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/876-0-0x0000000000B30000-0x000000000172C000-memory.dmp

Filesize
12.0MB

Download
memory/876-1-0x000000007EC30000-0x000000007F001000-memory.dmp

Filesize
3.8MB

Download
memory/876-2-0x0000000000B30000-0x000000000172C000-memory.dmp

Filesize
12.0MB

Download
memory/876-3-0x0000000000B30000-0x000000000172C000-memory.dmp

Filesize
12.0MB

Download
memory/876-4-0x0000000000B30000-0x000000000172C000-memory.dmp

Filesize
12.0MB

Download
memory/876-5-0x000000007EC30000-0x000000007F001000-memory.dmp

Filesize
3.8MB

Download
memory/876-6-0x0000000000B30000-0x000000000172C000-memory.dmp

Filesize
12.0MB

Download
memory/876-7-0x0000000000B30000-0x000000000172C000-memory.dmp

Filesize
12.0MB

Download
memory/876-8-0x0000000000B30000-0x000000000172C000-memory.dmp

Filesize
12.0MB

Download
memory/876-9-0x0000000000B30000-0x000000000172C000-memory.dmp

Filesize
12.0MB

Download
memory/876-10-0x0000000000B30000-0x000000000172C000-memory.dmp

Filesize
12.0MB

Download
memory/876-11-0x0000000000B30000-0x000000000172C000-memory.dmp

Filesize
12.0MB

Download
memory/876-12-0x0000000000B30000-0x000000000172C000-memory.dmp

Filesize
12.0MB

Download
memory/876-13-0x0000000000B30000-0x000000000172C000-memory.dmp

Filesize
12.0MB

Download
memory/876-14-0x0000000000B30000-0x000000000172C000-memory.dmp

Filesize
12.0MB

Download
memory/876-15-0x0000000000B30000-0x000000000172C000-memory.dmp

Filesize
12.0MB

Download
memory/876-16-0x0000000000B30000-0x000000000172C000-memory.dmp

Filesize
12.0MB

Download
memory/876-17-0x0000000000B30000-0x000000000172C000-memory.dmp

Filesize
12.0MB

Download