stealc | 5dcfac410a8ac5371ec25cbf19002209f1d52c7429ea992e2efd965ff55d4fa9

Resubmissions

23-02-2024 03:45

240223-ea6qpsaf9t 10

23-02-2024 02:03

240223-cg4htahg5x 10

Analysis

max time kernel
128s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
23-02-2024 02:03

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General

Target

0993d4c07d308fe8dffae59c2bcea46471d87eb128e0212a295941bd7703733e.exe
Size

182KB
MD5

5239ca020f7751e9d634bd89366d2ed3
SHA1

d2d782542151f94574e91d0967f9ec5edfe3ed7d
SHA256

0993d4c07d308fe8dffae59c2bcea46471d87eb128e0212a295941bd7703733e
SHA512

819bf6cfcda3e490cd59d77bed2db82017b113dfa24dd69d45cab6801f7aba0ce2e51a341c4990648b23a4bbc571ad8dfd27f347dc899967ba8e3360c9745724
SSDEEP

3072:VH+kVcxpOIWfCQgwLpOx9uF79AklwKx4PlIGi:gf7OIaCodOWhhx4u

Score

10^/10

stealc discovery spyware stealer

Malware Config

Extracted

Family

stealc

http://185.172.128.145

Attributes

url_path
/3cd2b41cbde8fc9c.php

Signatures

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

Loads dropped DLL 2 IoCs

Processes:

0993d4c07d308fe8dffae59c2bcea46471d87eb128e0212a295941bd7703733e.exe

pid	process
4532	0993d4c07d308fe8dffae59c2bcea46471d87eb128e0212a295941bd7703733e.exe
4532	0993d4c07d308fe8dffae59c2bcea46471d87eb128e0212a295941bd7703733e.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

Processes:

WerFault.exe

pid pid_target process target process

2188 4532 WerFault.exe 0993d4c07d308fe8dffae59c2bcea46471d87eb128e0212a295941bd7703733e.exe

pid	pid_target	process	target process
2188	4532	WerFault.exe	0993d4c07d308fe8dffae59c2bcea46471d87eb128e0212a295941bd7703733e.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:

0993d4c07d308fe8dffae59c2bcea46471d87eb128e0212a295941bd7703733e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	0993d4c07d308fe8dffae59c2bcea46471d87eb128e0212a295941bd7703733e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	0993d4c07d308fe8dffae59c2bcea46471d87eb128e0212a295941bd7703733e.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

0993d4c07d308fe8dffae59c2bcea46471d87eb128e0212a295941bd7703733e.exe

pid	process
4532	0993d4c07d308fe8dffae59c2bcea46471d87eb128e0212a295941bd7703733e.exe
4532	0993d4c07d308fe8dffae59c2bcea46471d87eb128e0212a295941bd7703733e.exe
4532	0993d4c07d308fe8dffae59c2bcea46471d87eb128e0212a295941bd7703733e.exe
4532	0993d4c07d308fe8dffae59c2bcea46471d87eb128e0212a295941bd7703733e.exe

C:\Users\Admin\AppData\Local\Temp\0993d4c07d308fe8dffae59c2bcea46471d87eb128e0212a295941bd7703733e.exe
"C:\Users\Admin\AppData\Local\Temp\0993d4c07d308fe8dffae59c2bcea46471d87eb128e0212a295941bd7703733e.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 2328
2⤵
- Program crash
PID:2188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4532 -ip 4532
1⤵
PID:1520

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ProgramData\Are.docx
Filesize
11KB

MD5
a33e5b189842c5867f46566bdbf7a095

SHA1
e1c06359f6a76da90d19e8fd95e79c832edb3196

SHA256
5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

SHA512
f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

Download Submit
C:\ProgramData\mozglue.dll
Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/4532-1-0x0000000000B70000-0x0000000000C70000-memory.dmp

Filesize
1024KB

Download
memory/4532-2-0x0000000000AF0000-0x0000000000B24000-memory.dmp

Filesize
208KB

Download
memory/4532-3-0x0000000000400000-0x0000000000822000-memory.dmp

Filesize
4.1MB

Download
memory/4532-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4532-80-0x0000000000400000-0x0000000000822000-memory.dmp

Filesize
4.1MB

Download
memory/4532-81-0x0000000000400000-0x0000000000822000-memory.dmp

Filesize
4.1MB

Download