stealc | b708baa9b529adc2da4c9dfeef1a7c62d1a9cc231cb82561334de8c0a99cbbdb

Analysis

max time kernel
112s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
28-04-2024 17:56

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General

Target

tmp.exe
Size

307KB
MD5

d1e360f356f8ac430b5fed34b3a0a660
SHA1

7aab5d765bc1c3d29510804bb5dfa14a47722218
SHA256

b708baa9b529adc2da4c9dfeef1a7c62d1a9cc231cb82561334de8c0a99cbbdb
SHA512

705060b9a70166724a68000f39142cee88d0951b33612f03619f6c40a2c9561a98f9bcdd5e210998d3cef9107b49cc560da22f7749c18a59d4525b593c2166fd
SSDEEP

3072:J5a5c3ZPpgukTT1ni8+WbLOT4iNm1jktYRflHMWUn72Z+qPz+yWYeiHEFI7I8NU:F5GuaZRIFmBSYtlHm++q7GmEFMNU

Score

10^/10

stealc discovery stealer

Malware Config

Extracted

Family

stealc

http://185.172.128.151

Attributes

url_path
/7043a0c6a68d9c65.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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1116 1524 WerFault.exe tmp.exe

pid	pid_target	process	target process
1116	1524	WerFault.exe	tmp.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:

tmp.exe

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

tmp.exe

pid process

1524 tmp.exe
1524 tmp.exe

pid	process
1524	tmp.exe
1524	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1524 -s 760
2⤵
- Program crash
PID:1116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1524 -ip 1524
1⤵
PID:1356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1524-2-0x0000000001B70000-0x0000000001B97000-memory.dmp

Filesize
156KB

Download
memory/1524-1-0x0000000001CE0000-0x0000000001DE0000-memory.dmp

Filesize
1024KB

Download
memory/1524-3-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/1524-4-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/1524-7-0x0000000001B70000-0x0000000001B97000-memory.dmp

Filesize
156KB

Download
memory/1524-6-0x0000000001CE0000-0x0000000001DE0000-memory.dmp

Filesize
1024KB

Download
memory/1524-5-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/1524-10-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/1524-12-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/1524-14-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download