stealc | 5ebb58edcd349c0e4e5322953c82031c8bbc570511f096e8fb7b902ddb0e9557

Analysis

max time kernel
121s
max time network
144s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
01/11/2023, 20:30

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General

Target

5ebb58edcd349c0e4e5322953c82031c8bbc570511f096e8fb7b902ddb0e9557.exe
Size

101KB
MD5

a6395f652c356dbcf03a082e37853f9c
SHA1

aac503dfad03154cb41f8f9f66a2f1c69a2b9d78
SHA256

5ebb58edcd349c0e4e5322953c82031c8bbc570511f096e8fb7b902ddb0e9557
SHA512

b65791845dc3ce2b4136c8dffba5e55e2d143bb68090a58ec8e38f1e534adf151b41e887cfa2c8eaf94afcc0d0f9d2292024ca80296f927ef8b956a0b6186d2d
SSDEEP

3072:TK0ufpwQ5jXl9t6Swu6bCYf5z46CyOVfFgtI:20uiQ9jtpf4DHO/gt

Score

10^/10

stealc discovery stealer

Malware Config

Extracted

Family

stealc

http://94.142.138.179

Attributes

url_path
/518893e599328c52.php

rc4.plain

Signatures

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

Deletes itself 1 IoCs

pid	Process
2996	cmd.exe

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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	5ebb58edcd349c0e4e5322953c82031c8bbc570511f096e8fb7b902ddb0e9557.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	5ebb58edcd349c0e4e5322953c82031c8bbc570511f096e8fb7b902ddb0e9557.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2508	timeout.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2840	5ebb58edcd349c0e4e5322953c82031c8bbc570511f096e8fb7b902ddb0e9557.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 2996	2840	5ebb58edcd349c0e4e5322953c82031c8bbc570511f096e8fb7b902ddb0e9557.exe	31
PID 2840 wrote to memory of 2996	2840	5ebb58edcd349c0e4e5322953c82031c8bbc570511f096e8fb7b902ddb0e9557.exe	31
PID 2840 wrote to memory of 2996	2840	5ebb58edcd349c0e4e5322953c82031c8bbc570511f096e8fb7b902ddb0e9557.exe	31
PID 2840 wrote to memory of 2996	2840	5ebb58edcd349c0e4e5322953c82031c8bbc570511f096e8fb7b902ddb0e9557.exe	31
PID 2996 wrote to memory of 2508	2996	cmd.exe	33
PID 2996 wrote to memory of 2508	2996	cmd.exe	33
PID 2996 wrote to memory of 2508	2996	cmd.exe	33
PID 2996 wrote to memory of 2508	2996	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\5ebb58edcd349c0e4e5322953c82031c8bbc570511f096e8fb7b902ddb0e9557.exe
"C:\Users\Admin\AppData\Local\Temp\5ebb58edcd349c0e4e5322953c82031c8bbc570511f096e8fb7b902ddb0e9557.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\5ebb58edcd349c0e4e5322953c82031c8bbc570511f096e8fb7b902ddb0e9557.exe" & del "C:\ProgramData\*.dll"" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2996
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 5
    3⤵
    - Delays execution with timeout.exe
    PID:2508

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2840-0-0x0000000000BC0000-0x0000000000DED000-memory.dmp

Filesize
2.2MB

Download
memory/2840-1-0x0000000000BC0000-0x0000000000DED000-memory.dmp

Filesize
2.2MB

Download