stealc | 225cbc74f957f8831349771de0a88e15bc458090166276d08bad6d304fb7c257

General

Target

38D829E2C9CE1218E43B053FF926AA9B.exe
Size

208KB
MD5

38d829e2c9ce1218e43b053ff926aa9b
SHA1

c5636b967605ab837fa8d4ae6e63c475a0032dea
SHA256

225cbc74f957f8831349771de0a88e15bc458090166276d08bad6d304fb7c257
SHA512

8da851fad5e9d9ac65f684fc565bf95186aa7e101effe425d0d9b6553c4d58403f2b3c126de24c9bfc7523d5b6f949f90163ae215891232aab172c56220ce1bd
SSDEEP

6144:JQagWQptc1lhMIqpwU4ziFaQWleIHmulE1vC1VVIwzR:LQpAEhqWvQVVH

Score

10^/10

stealc discovery spyware stealer

Malware Config

Extracted

Family

stealc

C2

http://193.163.7.160

Attributes

url_path
/f95721327cee196f.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Downloads MZ/PE file
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1460 cmd.exe
Loads dropped DLL 2 IoCs

Processes:

38D829E2C9CE1218E43B053FF926AA9B.exe

pid process

2080 38D829E2C9CE1218E43B053FF926AA9B.exe
2080 38D829E2C9CE1218E43B053FF926AA9B.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

pid	process
1460	cmd.exe

pid	process
2080	38D829E2C9CE1218E43B053FF926AA9B.exe
2080	38D829E2C9CE1218E43B053FF926AA9B.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:

38D829E2C9CE1218E43B053FF926AA9B.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	38D829E2C9CE1218E43B053FF926AA9B.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	38D829E2C9CE1218E43B053FF926AA9B.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1396 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

38D829E2C9CE1218E43B053FF926AA9B.exe

pid process

2080 38D829E2C9CE1218E43B053FF926AA9B.exe

pid	process
1396	timeout.exe

pid	process
2080	38D829E2C9CE1218E43B053FF926AA9B.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

38D829E2C9CE1218E43B053FF926AA9B.execmd.exe

description	pid	process	target process
PID 2080 wrote to memory of 1460	2080	38D829E2C9CE1218E43B053FF926AA9B.exe	cmd.exe
PID 2080 wrote to memory of 1460	2080	38D829E2C9CE1218E43B053FF926AA9B.exe	cmd.exe
PID 2080 wrote to memory of 1460	2080	38D829E2C9CE1218E43B053FF926AA9B.exe	cmd.exe
PID 2080 wrote to memory of 1460	2080	38D829E2C9CE1218E43B053FF926AA9B.exe	cmd.exe
PID 1460 wrote to memory of 1396	1460	cmd.exe	timeout.exe
PID 1460 wrote to memory of 1396	1460	cmd.exe	timeout.exe
PID 1460 wrote to memory of 1396	1460	cmd.exe	timeout.exe
PID 1460 wrote to memory of 1396	1460	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\38D829E2C9CE1218E43B053FF926AA9B.exe
"C:\Users\Admin\AppData\Local\Temp\38D829E2C9CE1218E43B053FF926AA9B.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2080

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\38D829E2C9CE1218E43B053FF926AA9B.exe" & del "C:\ProgramData\*.dll"" & exit
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1460

C:\Windows\SysWOW64\timeout.exe
timeout /t 5
3⤵
- Delays execution with timeout.exe
PID:1396

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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
1.3MB

MD5
c3850d78d399a65f253251b4d146488d

SHA1
5affe911b983cdd090f7855234d562d81ce47c6b

SHA256
9bda809b7beb28a37bbe4bb67c364cdcbeb254c39056dd8d115fa919b9b82ab5

SHA512
9befeedd2c7eae63c5bff373e481053f501fea5a90ed617b26308b863157f905099b36a4dcfade295ef9c2cecff680a8f88089e897ebab6d6b457abf636ad695

Download Submit
memory/2080-0-0x00000000010B0000-0x00000000012F8000-memory.dmp

Filesize
2.3MB

Download
memory/2080-1-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2080-57-0x00000000010B0000-0x00000000012F8000-memory.dmp

Filesize
2.3MB

Download

Analysis

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