stealc | 53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3

Analysis

max time kernel
146s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
30-06-2024 08:33

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General

Target

53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe
Size

2.4MB
MD5

05df0597156e90d39dd9611098d1194e
SHA1

dabe236ddc951307886e4082ed9f08145a351903
SHA256

53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3
SHA512

ff3fcfb644140c47a347ece4cf71f6561360fb4386acbd1f785f4b39056129e824bf902a0945ce8fb9786b85e12aad899c40258336312c6f2d42120efe87647e
SSDEEP

49152:wnv7AL2TGMGIy18UW7oPHT89GUTLt87jXXQeGC8g+5RUSwA:wnv7AL2TDm1dW7oPohmjXgxg+s5A

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:

53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe

pid	process
3112	53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe
3112	53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe
3112	53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe
3112	53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe
3112	53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe
3112	53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe
3112	53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe
3112	53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe
3112	53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe
3112	53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe
3112	53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe
3112	53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe
3112	53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe
3112	53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1204 3112 WerFault.exe 53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe

pid	pid_target	process	target process
1204	3112	WerFault.exe	53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.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:

53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe

pid process

3112 53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe
3112 53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe

pid process

3112 53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe

C:\Users\Admin\AppData\Local\Temp\53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe
"C:\Users\Admin\AppData\Local\Temp\53b3fd8aff7c2b7fa9a8fd4321e8e951c720166d6b7b600159ef148202d33ea3.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3112 -s 1340
2⤵
- Program crash
PID:1204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3112 -ip 3112
1⤵
PID:3260

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/3112-0-0x0000000000920000-0x000000000150C000-memory.dmp

Filesize
11.9MB

Download
memory/3112-1-0x000000007F970000-0x000000007FD41000-memory.dmp

Filesize
3.8MB

Download
memory/3112-2-0x0000000000920000-0x000000000150C000-memory.dmp

Filesize
11.9MB

Download
memory/3112-3-0x0000000000920000-0x000000000150C000-memory.dmp

Filesize
11.9MB

Download
memory/3112-4-0x0000000000920000-0x000000000150C000-memory.dmp

Filesize
11.9MB

Download
memory/3112-5-0x000000007F970000-0x000000007FD41000-memory.dmp

Filesize
3.8MB

Download
memory/3112-6-0x0000000000920000-0x000000000150C000-memory.dmp

Filesize
11.9MB

Download
memory/3112-7-0x0000000000920000-0x000000000150C000-memory.dmp

Filesize
11.9MB

Download
memory/3112-8-0x0000000000920000-0x000000000150C000-memory.dmp

Filesize
11.9MB

Download
memory/3112-9-0x0000000000920000-0x000000000150C000-memory.dmp

Filesize
11.9MB

Download
memory/3112-10-0x0000000000920000-0x000000000150C000-memory.dmp

Filesize
11.9MB

Download
memory/3112-11-0x0000000000920000-0x000000000150C000-memory.dmp

Filesize
11.9MB

Download
memory/3112-12-0x0000000000920000-0x000000000150C000-memory.dmp

Filesize
11.9MB

Download
memory/3112-13-0x0000000000920000-0x000000000150C000-memory.dmp

Filesize
11.9MB

Download
memory/3112-14-0x0000000000920000-0x000000000150C000-memory.dmp

Filesize
11.9MB

Download
memory/3112-15-0x0000000000920000-0x000000000150C000-memory.dmp

Filesize
11.9MB

Download
memory/3112-16-0x0000000000920000-0x000000000150C000-memory.dmp

Filesize
11.9MB

Download
memory/3112-17-0x0000000000920000-0x000000000150C000-memory.dmp

Filesize
11.9MB

Download