stealc | 6edf3196e1691e0034185df3ac2eaad51a33248c305e35927fb5f6b5e13fa58e

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 07:58

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General

Target

99fad17313297da97105802d647b80b6.exe
Size

451KB
MD5

99fad17313297da97105802d647b80b6
SHA1

6c2dea3d27486863a220b9dfc7ee30d8dd65903b
SHA256

6edf3196e1691e0034185df3ac2eaad51a33248c305e35927fb5f6b5e13fa58e
SHA512

40de9a35ddf446b5b21a07c2dc4c4074bf9bd1d024c4a7c368f5f770a705c83d8e9f4f258ad6d4bf510617b5bb0f2a070e6a0fd100aa25e5d3aacc7431e34466
SSDEEP

6144:z2hLDaY1jCphfzS+2Yex/korSNb5xBHGJ0gzYAq:6hfaKUhfmxZIb5vGF

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
2568	14F9.tmp.exe

Loads dropped DLL 4 IoCs

pid	Process
2188	99fad17313297da97105802d647b80b6.exe
2188	99fad17313297da97105802d647b80b6.exe
2188	99fad17313297da97105802d647b80b6.exe
2188	99fad17313297da97105802d647b80b6.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	99fad17313297da97105802d647b80b6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	14F9.tmp.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2188	99fad17313297da97105802d647b80b6.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2188	99fad17313297da97105802d647b80b6.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2568	2188	99fad17313297da97105802d647b80b6.exe	31
PID 2188 wrote to memory of 2568	2188	99fad17313297da97105802d647b80b6.exe	31
PID 2188 wrote to memory of 2568	2188	99fad17313297da97105802d647b80b6.exe	31
PID 2188 wrote to memory of 2568	2188	99fad17313297da97105802d647b80b6.exe	31

C:\Users\Admin\AppData\Local\Temp\99fad17313297da97105802d647b80b6.exe
"C:\Users\Admin\AppData\Local\Temp\99fad17313297da97105802d647b80b6.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Users\Admin\AppData\Local\Temp\14F9.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\14F9.tmp.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2568

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\14F9.tmp.exe

Filesize
382KB

MD5
1a1d5627373ecd30414938e941f281b8

SHA1
21395fc347e167b889818461becca2e242f889af

SHA256
fa20b849ebe7c53d59f3ed0fcfac8445ea08e7296af5ada0d3be2aace5d727e8

SHA512
43fe3b2dc363c5620c5c2c1a01b70f46cfb2ad8fb925816ef18adc4dc68d172c88e45a4d3c98adc299badc9890a3ff7106526d31e8714278567923f54ba779b2

Download Submit
memory/2188-0-0x0000000000260000-0x000000000029D000-memory.dmp

Filesize
244KB

Download
memory/2188-1-0x00000000002C0000-0x0000000000325000-memory.dmp

Filesize
404KB

Download
memory/2188-2-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2188-18-0x0000000000260000-0x000000000029D000-memory.dmp

Filesize
244KB

Download
memory/2188-19-0x00000000002C0000-0x0000000000325000-memory.dmp

Filesize
404KB

Download
memory/2188-38-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2188-37-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2568-40-0x0000000000400000-0x0000000000650000-memory.dmp

Filesize
2.3MB

Download
memory/2568-39-0x0000000000400000-0x0000000000650000-memory.dmp

Filesize
2.3MB

Download
memory/2568-43-0x0000000000400000-0x0000000000650000-memory.dmp

Filesize
2.3MB

Download
memory/2568-42-0x0000000000400000-0x0000000000650000-memory.dmp

Filesize
2.3MB

Download