stealc | b32b753d94dc0a02f097626fa793432be53d5927d30abc5490a2d44a055670e5

General

Target

678f666b1f2e04b504d62430f8e95b64.exe
Size

9.7MB
MD5

678f666b1f2e04b504d62430f8e95b64
SHA1

d8484b6da5c0faf9cb0453f12d34b3c60f03fc69
SHA256

b32b753d94dc0a02f097626fa793432be53d5927d30abc5490a2d44a055670e5
SHA512

5de756c864ba57302d673b4501aeb2de6d8a6e53df61fb5fcb1898608650da083a9285b78da05f72c5b7fdf1feb64a9a9aded5b953257d825883ba6b19dd0c38
SSDEEP

98304:Cq+nMiEhfX/8LyyTUspbP36igWcqmfoR5zVW:i8eDqiseRa

Score

10^/10

stealc mainteam credential_access discovery spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

mainteam

C2

http://95.182.96.50

Attributes

url_path
/2aced82320799c96.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc
Downloads MZ/PE file
Loads dropped DLL 2 IoCs

Processes:

678f666b1f2e04b504d62430f8e95b64.exe

pid process

2960 678f666b1f2e04b504d62430f8e95b64.exe
2960 678f666b1f2e04b504d62430f8e95b64.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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
System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes:

678f666b1f2e04b504d62430f8e95b64.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 678f666b1f2e04b504d62430f8e95b64.exe

pid	process
2960	678f666b1f2e04b504d62430f8e95b64.exe
2960	678f666b1f2e04b504d62430f8e95b64.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	678f666b1f2e04b504d62430f8e95b64.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

Processes:

678f666b1f2e04b504d62430f8e95b64.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	678f666b1f2e04b504d62430f8e95b64.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	678f666b1f2e04b504d62430f8e95b64.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

678f666b1f2e04b504d62430f8e95b64.exe

pid process

2960 678f666b1f2e04b504d62430f8e95b64.exe
2960 678f666b1f2e04b504d62430f8e95b64.exe
2960 678f666b1f2e04b504d62430f8e95b64.exe

pid	process
2960	678f666b1f2e04b504d62430f8e95b64.exe
2960	678f666b1f2e04b504d62430f8e95b64.exe
2960	678f666b1f2e04b504d62430f8e95b64.exe

C:\Users\Admin\AppData\Local\Temp\678f666b1f2e04b504d62430f8e95b64.exe
"C:\Users\Admin\AppData\Local\Temp\678f666b1f2e04b504d62430f8e95b64.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

4

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/2960-0-0x0000000002BD0000-0x0000000002E33000-memory.dmp

Filesize
2.4MB

Download
memory/2960-1-0x0000000002BD0000-0x0000000002E33000-memory.dmp

Filesize
2.4MB

Download
memory/2960-3-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2960-32-0x0000000000400000-0x0000000000DEE000-memory.dmp

Filesize
9.9MB

Download
memory/2960-64-0x0000000002BD0000-0x0000000002E33000-memory.dmp

Filesize
2.4MB

Download

Analysis

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