stealc | 0411c3152398d2ce23e4bf07868adf49a5d24fe27558cbd92fb8fcb787b926de

Analysis

max time kernel
194s
max time network
298s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
30/09/2024, 05:00

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General

Target

0411c3152398d2ce23e4bf07868adf49a5d24fe27558cbd92fb8fcb787b926de.exe
Size

317KB
MD5

48b59bd4c9219cc6f4bca6a45642dcbd
SHA1

e9a3185cf22da2569a55ed64253f0a16b60070d9
SHA256

0411c3152398d2ce23e4bf07868adf49a5d24fe27558cbd92fb8fcb787b926de
SHA512

c83e47b6690e8807f1f3e78345e488d88be4c851de9cf47db22b3a56747579a9b6ec49b41e22c84e41d795bf5e1e2162a04778886911efabef16783475b49765
SSDEEP

6144:1ZGJnK41dgy48a2905kAfUMsFKGu22WFYzbUXZ+N:1ZpAdgy6kJMsHoWS4X0

Score

10^/10

stealc oleh_psp discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

oleh_psp

http://194.87.29.53

Attributes

url_path
/6f9307efa625dd18.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1268 set thread context of 1136	1268	0411c3152398d2ce23e4bf07868adf49a5d24fe27558cbd92fb8fcb787b926de.exe	74

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1476	1136	WerFault.exe	74

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	0411c3152398d2ce23e4bf07868adf49a5d24fe27558cbd92fb8fcb787b926de.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1136	RegAsm.exe
1136	RegAsm.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1268 wrote to memory of 1136	1268	0411c3152398d2ce23e4bf07868adf49a5d24fe27558cbd92fb8fcb787b926de.exe	74
PID 1268 wrote to memory of 1136	1268	0411c3152398d2ce23e4bf07868adf49a5d24fe27558cbd92fb8fcb787b926de.exe	74
PID 1268 wrote to memory of 1136	1268	0411c3152398d2ce23e4bf07868adf49a5d24fe27558cbd92fb8fcb787b926de.exe	74
PID 1268 wrote to memory of 1136	1268	0411c3152398d2ce23e4bf07868adf49a5d24fe27558cbd92fb8fcb787b926de.exe	74
PID 1268 wrote to memory of 1136	1268	0411c3152398d2ce23e4bf07868adf49a5d24fe27558cbd92fb8fcb787b926de.exe	74
PID 1268 wrote to memory of 1136	1268	0411c3152398d2ce23e4bf07868adf49a5d24fe27558cbd92fb8fcb787b926de.exe	74
PID 1268 wrote to memory of 1136	1268	0411c3152398d2ce23e4bf07868adf49a5d24fe27558cbd92fb8fcb787b926de.exe	74
PID 1268 wrote to memory of 1136	1268	0411c3152398d2ce23e4bf07868adf49a5d24fe27558cbd92fb8fcb787b926de.exe	74
PID 1268 wrote to memory of 1136	1268	0411c3152398d2ce23e4bf07868adf49a5d24fe27558cbd92fb8fcb787b926de.exe	74

C:\Users\Admin\AppData\Local\Temp\0411c3152398d2ce23e4bf07868adf49a5d24fe27558cbd92fb8fcb787b926de.exe
"C:\Users\Admin\AppData\Local\Temp\0411c3152398d2ce23e4bf07868adf49a5d24fe27558cbd92fb8fcb787b926de.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1268
- 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
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:1136
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1136 -s 1220
    3⤵
    - Program crash
    PID:1476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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

memory/1136-3-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1136-6-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1136-8-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1136-10-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1268-0-0x000000007383E000-0x000000007383F000-memory.dmp

Filesize
4KB

Download
memory/1268-1-0x00000000007C0000-0x0000000000816000-memory.dmp

Filesize
344KB

Download
memory/1268-7-0x0000000073830000-0x0000000073F1E000-memory.dmp

Filesize
6.9MB

Download
memory/1268-9-0x0000000073830000-0x0000000073F1E000-memory.dmp

Filesize
6.9MB

Download