stealc | fd3edfaff77dd969e3e0d086495e4c742d00e111df9f935ed61dfba8392584b2

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14/09/2024, 15:13

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General

Target

file.exe
Size

4.1MB
MD5

7fa5c660d124162c405984d14042506f
SHA1

69f0dff06ff1911b97a2a0aa4ca9046b722c6b2f
SHA256

fd3edfaff77dd969e3e0d086495e4c742d00e111df9f935ed61dfba8392584b2
SHA512

d50848adbfe75f509414acc97096dad191ae4cef54752bdddcb227ffc0f59bfd2770561e7b3c2a14f4a1423215f05847206ad5c242c7fd5b0655edf513b22f6c
SSDEEP

98304:if7X0ZueTTPs6deIF+iHtcbBt2VSFjUCaZ:8bPeVdeIMiHmbeVS

Score

10^/10

stealc default discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default

http://91.202.233.158

Attributes

url_path
/e96ea2db21fa9a1b.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc

Executes dropped EXE 1 IoCs

pid	Process
3024	svchost015.exe

Loads dropped DLL 1 IoCs

pid	Process
1984	file.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1984 set thread context of 3024	1984	file.exe	31

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	svchost015.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 3024	1984	file.exe	31
PID 1984 wrote to memory of 3024	1984	file.exe	31
PID 1984 wrote to memory of 3024	1984	file.exe	31
PID 1984 wrote to memory of 3024	1984	file.exe	31
PID 1984 wrote to memory of 3024	1984	file.exe	31
PID 1984 wrote to memory of 3024	1984	file.exe	31
PID 1984 wrote to memory of 3024	1984	file.exe	31
PID 1984 wrote to memory of 3024	1984	file.exe	31
PID 1984 wrote to memory of 3024	1984	file.exe	31

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Local\Temp\svchost015.exe
  C:\Users\Admin\AppData\Local\Temp\svchost015.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\svchost015.exe

Filesize
2.9MB

MD5
b826dd92d78ea2526e465a34324ebeea

SHA1
bf8a0093acfd2eb93c102e1a5745fb080575372e

SHA256
7824b50acdd144764dac7445a4067b35cf0fef619e451045ab6c1f54f5653a5b

SHA512
1ac4b731b9b31cabf3b1c43aee37206aee5326c8e786abe2ab38e031633b778f97f2d6545cf745c3066f3bd47b7aaf2ded2f9955475428100eaf271dd9aeef17

Download Submit
memory/1984-20-0x0000000000400000-0x000000000081B000-memory.dmp

Filesize
4.1MB

Download
memory/1984-2-0x0000000003870000-0x0000000003BD9000-memory.dmp

Filesize
3.4MB

Download
memory/1984-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/3024-16-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3024-21-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3024-19-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3024-12-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3024-8-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3024-15-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3024-10-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3024-6-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3024-24-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download