stealc | af4eb9efd0598c707a5a1a443b3c41138141d056391494da2d81691d619aeb32

Analysis

max time kernel
111s
max time network
100s
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 04:55

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General

Target

tmp.exe
Size

311KB
MD5

aed159d44da4c704179ec0932539f0d6
SHA1

79951d01b3d08a9f0d78a4664cf6a14d2bd49cc3
SHA256

af4eb9efd0598c707a5a1a443b3c41138141d056391494da2d81691d619aeb32
SHA512

e19beed93b53b84ee2eee16a25ceb6a2a7f8342417861b14e1f8cf8bd0dcd6f6d7513d8ba204a8f7898ce708da29f385790aa82d3211ad7cb77a8e0fda3d877f
SSDEEP

6144:usebxS9eUKfJyvHv24xXumlmcdTM1/JODE:utbxUeUGIPlxXumFURwE

Score

10^/10

stealc discovery stealer

Malware Config

Extracted

Family

stealc

http://185.172.128.62

Attributes

url_path
/902e53a07830e030.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

2752 1696 WerFault.exe tmp.exe

pid	pid_target	process	target process
2752	1696	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

1696 tmp.exe
1696 tmp.exe

pid	process
1696	tmp.exe
1696	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:1696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1696 -s 1296
2⤵
- Program crash
PID:2752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1696 -ip 1696
1⤵
PID:1004

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/1696-2-0x0000000001B70000-0x0000000001B97000-memory.dmp

Filesize
156KB

Download
memory/1696-1-0x0000000001D30000-0x0000000001E30000-memory.dmp

Filesize
1024KB

Download
memory/1696-3-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/1696-4-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/1696-5-0x0000000001B70000-0x0000000001B97000-memory.dmp

Filesize
156KB

Download
memory/1696-7-0x0000000001D30000-0x0000000001E30000-memory.dmp

Filesize
1024KB

Download
memory/1696-8-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/1696-10-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/1696-12-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/1696-14-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download