stealc | 762ced1becc0869204a0d18bff3e297e8b9359cdefb5633169627bade80844da

General

Target

e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.exe
Size

2.4MB
MD5

6a61be101e96b2a7fc073079ece444ed
SHA1

df5023ce2dd63f71d1b0c6c58643b44438d1c0c5
SHA256

e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d
SHA512

f6ad23b36cbb2251cc4983b50641f0377e318317772d250cb4d4da6cb112c6f969cff9f22603701b027f4a9d5c70b99c01f5bf93300f38d8f4649053375ce767
SSDEEP

49152:uVhviOL/5432dIeqI1b5WtMwMSKT7FF8dfGA1Lz7ddgGBfRxXo00:x92ddqMb5WtMNRT7FCgA1t2

Score

10^/10

stealc nice discovery spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

Nice

C2

http://85.28.47.30

Attributes

url_path
/920475a59bac849d.php

Signatures

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

Deletes itself 1 IoCs

pid	Process
1300	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
2740	e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.exe
2740	e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.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

Suspicious use of NtSetInformationThreadHideFromDebugger 7 IoCs

pid	Process
2740	e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.exe
2740	e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.exe
2740	e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.exe
2740	e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.exe
2740	e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.exe
2740	e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.exe
2740	e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.exe

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	e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1476	timeout.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2740	e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2740	e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 1300	2740	e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.exe	32
PID 2740 wrote to memory of 1300	2740	e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.exe	32
PID 2740 wrote to memory of 1300	2740	e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.exe	32
PID 2740 wrote to memory of 1300	2740	e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.exe	32
PID 1300 wrote to memory of 1476	1300	cmd.exe	34
PID 1300 wrote to memory of 1476	1300	cmd.exe	34
PID 1300 wrote to memory of 1476	1300	cmd.exe	34
PID 1300 wrote to memory of 1476	1300	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.exe
"C:\Users\Admin\AppData\Local\Temp\e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\e4725ec14fd7c7d20a53e85e49301255caf470080352dab75856cb6c046de37d.exe" & del "C:\ProgramData\*.dll"" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1300
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 5
    3⤵
    - Delays execution with timeout.exe
    PID:1476

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

Replay Monitor

Loading Replay Monitor...

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/2740-6-0x0000000001040000-0x0000000001C26000-memory.dmp

Filesize
11.9MB

Download
memory/2740-3-0x0000000001040000-0x0000000001C26000-memory.dmp

Filesize
11.9MB

Download
memory/2740-4-0x0000000001040000-0x0000000001C26000-memory.dmp

Filesize
11.9MB

Download
memory/2740-5-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

Filesize
3.8MB

Download
memory/2740-0-0x0000000001040000-0x0000000001C26000-memory.dmp

Filesize
11.9MB

Download
memory/2740-7-0x0000000001040000-0x0000000001C26000-memory.dmp

Filesize
11.9MB

Download
memory/2740-8-0x0000000001040000-0x0000000001C26000-memory.dmp

Filesize
11.9MB

Download
memory/2740-9-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2740-47-0x0000000001040000-0x0000000001C26000-memory.dmp

Filesize
11.9MB

Download
memory/2740-2-0x0000000001040000-0x0000000001C26000-memory.dmp

Filesize
11.9MB

Download
memory/2740-1-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

Filesize
3.8MB

Download
memory/2740-70-0x0000000001040000-0x0000000001C26000-memory.dmp

Filesize
11.9MB

Download

Analysis

Sharing