stealc | 39799cbca0280a21fa444531c85521db039ef70f963a8960f3fcaca71d3cf802

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/09/2024, 19:35

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General

Target

file.exe
Size

4.4MB
MD5

7935a87d35721d1697e50bebcbec125b
SHA1

f7908d08de79801cebba73a7970756f11b5e23e7
SHA256

39799cbca0280a21fa444531c85521db039ef70f963a8960f3fcaca71d3cf802
SHA512

9b66c7205d653191ebae412706c6e2fe4f7ceee2c934acb52eefa9c09a47b9e325c499b0c2f91b961f806e604804ecc96204c93c7199eeade12165c046f35c1b
SSDEEP

49152:jnozMmGM+bk/AlIIvFG3kbswprXt6d0t00h+SpbWWkggaUJyQr/PFFKyV45Z:beksIcmt6dKg5tyQ5

Score

10^/10

stealc cry discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

cry

http://45.152.113.10

Attributes

url_path
/92335b4816f77e90.php

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2412 set thread context of 2784	2412	file.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3004	2784	WerFault.exe	30

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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2412	file.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2784	2412	file.exe	30
PID 2412 wrote to memory of 2784	2412	file.exe	30
PID 2412 wrote to memory of 2784	2412	file.exe	30
PID 2412 wrote to memory of 2784	2412	file.exe	30
PID 2412 wrote to memory of 2784	2412	file.exe	30
PID 2412 wrote to memory of 2784	2412	file.exe	30
PID 2412 wrote to memory of 2784	2412	file.exe	30
PID 2412 wrote to memory of 2784	2412	file.exe	30
PID 2412 wrote to memory of 2784	2412	file.exe	30
PID 2412 wrote to memory of 2784	2412	file.exe	30
PID 2412 wrote to memory of 2784	2412	file.exe	30
PID 2412 wrote to memory of 2784	2412	file.exe	30
PID 2412 wrote to memory of 2784	2412	file.exe	30
PID 2784 wrote to memory of 3004	2784	RegAsm.exe	31
PID 2784 wrote to memory of 3004	2784	RegAsm.exe	31
PID 2784 wrote to memory of 3004	2784	RegAsm.exe	31
PID 2784 wrote to memory of 3004	2784	RegAsm.exe	31

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2784 -s 252
    3⤵
    - Program crash
    PID:3004

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

Replay Monitor

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Downloads

memory/2412-37-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-35-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-33-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-3-0x00000000004E0000-0x00000000004FC000-memory.dmp

Filesize
112KB

Download
memory/2412-4-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-11-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-13-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-27-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-45-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-63-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-61-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-57-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-55-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-53-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-51-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-49-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-47-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-43-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-41-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-39-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-1-0x0000000001000000-0x0000000001468000-memory.dmp

Filesize
4.4MB

Download
memory/2412-0-0x000000007411E000-0x000000007411F000-memory.dmp

Filesize
4KB

Download
memory/2412-2-0x00000000055F0000-0x0000000005742000-memory.dmp

Filesize
1.3MB

Download
memory/2412-31-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-29-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-25-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-23-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-21-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-19-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-17-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-15-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-9-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-7-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-5-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-59-0x00000000004E0000-0x00000000004F5000-memory.dmp

Filesize
84KB

Download
memory/2412-76-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2412-78-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2412-77-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2784-65-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2784-64-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2784-67-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2784-66-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download