stealc | e45ef7fdd1a92c5ed40b3365a895623a112ee16444cf0ebe70619cf09d8628ca

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/09/2024, 18:38

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General

Target
file.exe
Size 205KB
Sample240911-w92dpswgnf
SHA256 e45ef7fdd1a92c5ed40b3365a895623a112ee16444cf0ebe70619cf09d8628ca
MD5 032d49a1f22f5ec2d498fcf0f4076d91
SHA1 e076ae8c8efe84d414932f84aca43617a31bf0e0
SHA512 23dffb6ad9d873896152efccaa89eccd2dec1314bbe8bdfd52540db0f7a13738aaa15b16bb36273d53469505b70771e7c16d29e629d7296df16c555f4533ec1c
SSDEEP 3072:YvWtdf845OWGvjeDPkCyi3E6vuseKKT14Tug55rn43LMnF+eNQP5gFkI1LKYzEO:/tdU4whvjeDwepKT1QCLGQkNEO
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

stealc cry discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

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 3900 set thread context of 3240	3900	file.exe	85

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 WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3900 wrote to memory of 3240	3900	file.exe	85
PID 3900 wrote to memory of 3240	3900	file.exe	85
PID 3900 wrote to memory of 3240	3900	file.exe	85
PID 3900 wrote to memory of 3240	3900	file.exe	85
PID 3900 wrote to memory of 3240	3900	file.exe	85
PID 3900 wrote to memory of 3240	3900	file.exe	85
PID 3900 wrote to memory of 3240	3900	file.exe	85
PID 3900 wrote to memory of 3240	3900	file.exe	85
PID 3900 wrote to memory of 3240	3900	file.exe	85

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 WriteProcessMemory
PID:3900
- 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
  PID:3240

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

memory/3240-4-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/3240-7-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/3240-10-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/3240-11-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/3900-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

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memory/3900-1-0x0000000000AC0000-0x0000000000AF8000-memory.dmp

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memory/3900-9-0x0000000074E00000-0x00000000755B0000-memory.dmp

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memory/3900-12-0x0000000074E00000-0x00000000755B0000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads