stealc | 6f961dc6fc0c9faf25c715eaf3138ec9e12ecaf94fed04b44f53cf39251809e5

General

Target
6f961dc6fc0c9faf25c715eaf3138ec9e12ecaf94fed04b44f53cf39251809e5.exe
Size 221KB
Sample240516-s68f3aca75
SHA256 6f961dc6fc0c9faf25c715eaf3138ec9e12ecaf94fed04b44f53cf39251809e5
MD5 505c4c3a2a8beb0f3fd8679041c03c65
SHA1 08b6604f8bd8c13f814203f87534032713dc3742
SHA512 2c6943c6263eb24e0789800b544d660de4d98bd5f230a9049411d689ff89a7aae5493f0d9bb44e1c62e8f7967dc09bf8319fd33ed0a05f67d966398b7b48773a
SSDEEP 3072:InRU7atvD4lp1S+NFq6BcQiFAYDPhD4Wtf7bic55+1YQblkGuDeKJwt5CF:IS6G4D4wKc/+GQqhDeew
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

stealc default11 discovery spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

default11

C2

http://185.172.128.170

Attributes

url_path
/7043a0c6a68d9c65.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
4748	6f961dc6fc0c9faf25c715eaf3138ec9e12ecaf94fed04b44f53cf39251809e5.exe
4748	6f961dc6fc0c9faf25c715eaf3138ec9e12ecaf94fed04b44f53cf39251809e5.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 2 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
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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2284	4748	WerFault.exe	76

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	6f961dc6fc0c9faf25c715eaf3138ec9e12ecaf94fed04b44f53cf39251809e5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	6f961dc6fc0c9faf25c715eaf3138ec9e12ecaf94fed04b44f53cf39251809e5.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4748	6f961dc6fc0c9faf25c715eaf3138ec9e12ecaf94fed04b44f53cf39251809e5.exe
4748	6f961dc6fc0c9faf25c715eaf3138ec9e12ecaf94fed04b44f53cf39251809e5.exe

C:\Users\Admin\AppData\Local\Temp\6f961dc6fc0c9faf25c715eaf3138ec9e12ecaf94fed04b44f53cf39251809e5.exe
"C:\Users\Admin\AppData\Local\Temp\6f961dc6fc0c9faf25c715eaf3138ec9e12ecaf94fed04b44f53cf39251809e5.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4748
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4748 -s 2476
  2⤵
  - Program crash
  PID:2284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4748 -ip 4748
1⤵
PID:1216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

Are.docx

Path C:\ProgramData\Are.docx
Size 11KB
SHA256 5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
MD5 a33e5b189842c5867f46566bdbf7a095
SHA1 e1c06359f6a76da90d19e8fd95e79c832edb3196
SHA512 f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b
SSDEEP 192:CtNCEE33S7Ok0CMSYbcBVk6tqM16iPBkeawLWdxd7o3Lp:aNwC78uYbcBv6akwLWdxdE3Lp
MD5 SHA1 SHA512 SSDEEP

Submit Download

mozglue.dll

Path C:\ProgramData\mozglue.dll
Size 593KB
SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
MD5 c8fd9be83bc728cc04beffafc2907fe9
SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
SSDEEP 12288:BlSyAom/gcRKMdRm4wFkRHuyG4RRGJVDjMk/x21R8gY/r:BKgcRKMdRm4wFkVVDGJVv//x21R8br
MD5 SHA1 SHA512 SSDEEP

Submit Download

nss3.dll

Path C:\ProgramData\nss3.dll
Size 2.0MB
SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
MD5 1cc453cdf74f31e4d913ff9c10acdde2
SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
SSDEEP 49152:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3HFNWYrVvE4CQsgzMmQfTU1NrWmy4KoAzh:J7Tf8J1Q+SS5/nr
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/4748-1-0x0000000000820000-0x0000000000920000-memory.dmp

Download

memory/4748-3-0x0000000000400000-0x000000000063B000-memory.dmp

Download

memory/4748-2-0x0000000002480000-0x00000000024A7000-memory.dmp

Download

memory/4748-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Download

memory/4748-88-0x0000000000400000-0x000000000063B000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads