stealc | fe7c9c900df7c51f53243053dcf41ee781d284206742952aea704735d8d4a198

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
10-12-2024 17:51

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General

Target

26ceb3d9dcc1821192b39eea6832d51d.exe
Size

420KB
MD5

26ceb3d9dcc1821192b39eea6832d51d
SHA1

d22dae62f3d122acaec58a03550d5d99a9b7cfb4
SHA256

fe7c9c900df7c51f53243053dcf41ee781d284206742952aea704735d8d4a198
SHA512

2dd773c7afa7cb46c1f94d195e9b542a5e8ec150b608d8dcde0aa60f7aff15ea0fced33fe647519cca91ada905dce14576a8b2b84bc0c9ecfc6f362a3cdccda8
SSDEEP

12288:+kmdgMiHbQuCIu+Sp+tXcyZpCxFzR7DB5:zmAHq+Sp+RbpCrF7V

Score

10^/10

stealc default discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default

http://92.255.57.89

Attributes

url_path
/45c616e921a794b8.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc
Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
2828	BD29.tmp.exe

Loads dropped DLL 5 IoCs

pid	Process
2184	26ceb3d9dcc1821192b39eea6832d51d.exe
2184	26ceb3d9dcc1821192b39eea6832d51d.exe
2184	26ceb3d9dcc1821192b39eea6832d51d.exe
2184	26ceb3d9dcc1821192b39eea6832d51d.exe
2184	26ceb3d9dcc1821192b39eea6832d51d.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	26ceb3d9dcc1821192b39eea6832d51d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BD29.tmp.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2184	26ceb3d9dcc1821192b39eea6832d51d.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2184	26ceb3d9dcc1821192b39eea6832d51d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 2828	2184	26ceb3d9dcc1821192b39eea6832d51d.exe	31
PID 2184 wrote to memory of 2828	2184	26ceb3d9dcc1821192b39eea6832d51d.exe	31
PID 2184 wrote to memory of 2828	2184	26ceb3d9dcc1821192b39eea6832d51d.exe	31
PID 2184 wrote to memory of 2828	2184	26ceb3d9dcc1821192b39eea6832d51d.exe	31

C:\Users\Admin\AppData\Local\Temp\26ceb3d9dcc1821192b39eea6832d51d.exe
"C:\Users\Admin\AppData\Local\Temp\26ceb3d9dcc1821192b39eea6832d51d.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Users\Admin\AppData\Local\Temp\BD29.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\BD29.tmp.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\BD29.tmp.exe

Filesize
297KB

MD5
5de218396f8c0a36cee31b8ee4fd0bfe

SHA1
9a57c0ae8640caed5101372147b73c87dea4b2da

SHA256
84b4eda5d456a2c49d117a0b99bc2ed03044eaa144eb5f6c28a248e673e406db

SHA512
82f557e91f94a2ec8dee5b32e21b07bce01425ea72fa02ded984e5cdd98019c6028444f3cb10332661a1e8bd3a90edcd566b602cac03b94ccd1f276e4c59553f

Download Submit
memory/2184-1-0x0000000000CB0000-0x0000000000DB0000-memory.dmp

Filesize
1024KB

Download
memory/2184-2-0x0000000000220000-0x0000000000285000-memory.dmp

Filesize
404KB

Download
memory/2184-3-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2184-17-0x0000000000CB0000-0x0000000000DB0000-memory.dmp

Filesize
1024KB

Download
memory/2184-19-0x0000000000220000-0x0000000000285000-memory.dmp

Filesize
404KB

Download
memory/2184-18-0x0000000000400000-0x0000000000841000-memory.dmp

Filesize
4.3MB

Download
memory/2184-20-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2184-44-0x0000000000400000-0x0000000000841000-memory.dmp

Filesize
4.3MB

Download
memory/2828-41-0x0000000000400000-0x0000000000822000-memory.dmp

Filesize
4.1MB

Download
memory/2828-42-0x0000000000400000-0x0000000000822000-memory.dmp

Filesize
4.1MB

Download
memory/2828-43-0x0000000000400000-0x0000000000822000-memory.dmp

Filesize
4.1MB

Download