stealc | 0375b547f4b4009e0754059e20161edabd2985861c7d4bba1d498361509c1c91

General

Target

0375b547f4b4009e0754059e20161edabd2985861c7d4bba1d498361509c1c91.exe
Size

346KB
MD5

b4f646cb709fd12e10d747cdc96ab890
SHA1

cb4f853d9322fcfee3154aa0648c00b138089a3e
SHA256

0375b547f4b4009e0754059e20161edabd2985861c7d4bba1d498361509c1c91
SHA512

6723686ee04010a2c6b8048434925cd0668eafa648f9d5dbaa554a00ed3f5855b41df062d1392c36ecc663e92ceba11a828456cc9a69026d5180a55f0ef66b2e
SSDEEP

3072:exnQT26D/mDtjzJFutcnNRQ0q2Pjif3J5wOxvBuHjH0HVcOSj5WO5Mulm1MDg1wd:G7c29zbu2n00qyji5dmUHmOSoOMO

Score

10^/10

stealc discovery spyware stealer

Malware Config

Extracted

Family

stealc

Attributes

url_path
/fdca69ae739b4897.php

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
3240	0375b547f4b4009e0754059e20161edabd2985861c7d4bba1d498361509c1c91.exe
3240	0375b547f4b4009e0754059e20161edabd2985861c7d4bba1d498361509c1c91.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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4420	3240	WerFault.exe	82

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	0375b547f4b4009e0754059e20161edabd2985861c7d4bba1d498361509c1c91.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	0375b547f4b4009e0754059e20161edabd2985861c7d4bba1d498361509c1c91.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3240	0375b547f4b4009e0754059e20161edabd2985861c7d4bba1d498361509c1c91.exe
3240	0375b547f4b4009e0754059e20161edabd2985861c7d4bba1d498361509c1c91.exe
3240	0375b547f4b4009e0754059e20161edabd2985861c7d4bba1d498361509c1c91.exe
3240	0375b547f4b4009e0754059e20161edabd2985861c7d4bba1d498361509c1c91.exe

C:\Users\Admin\AppData\Local\Temp\0375b547f4b4009e0754059e20161edabd2985861c7d4bba1d498361509c1c91.exe
"C:\Users\Admin\AppData\Local\Temp\0375b547f4b4009e0754059e20161edabd2985861c7d4bba1d498361509c1c91.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3240
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3240 -s 2516
  2⤵
  - Program crash
  PID:4420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3240 -ip 3240
1⤵
PID:4648

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

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\CompressDebug.xlsx

Filesize
399KB

MD5
720487c5cfd764ecd22aeccaec871ea4

SHA1
f734572b0cbe2056d797d3fd17e559a4c5d46899

SHA256
a014c9d5cb47668d3fbc95422381f309eac234a5bafeeab9c838b79550c1f649

SHA512
57d21a65b666259552682cb98adfae5969cebe205482eb6375016bbb6e1f3b6ac99ec0844dca1d8333ec4f890b3bb69d83254f3f06f4ef09a291946303e13a51

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/3240-7-0x0000000000400000-0x0000000002B14000-memory.dmp

Filesize
39.1MB

Download
memory/3240-2-0x0000000002FB0000-0x0000000002FE4000-memory.dmp

Filesize
208KB

Download
memory/3240-8-0x0000000000400000-0x0000000002B14000-memory.dmp

Filesize
39.1MB

Download
memory/3240-15-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3240-60-0x0000000000400000-0x0000000002B14000-memory.dmp

Filesize
39.1MB

Download
memory/3240-5-0x0000000000400000-0x0000000002B14000-memory.dmp

Filesize
39.1MB

Download
memory/3240-4-0x0000000000400000-0x0000000002AF0000-memory.dmp

Filesize
38.9MB

Download
memory/3240-1-0x0000000002D70000-0x0000000002E70000-memory.dmp

Filesize
1024KB

Download
memory/3240-120-0x0000000002D70000-0x0000000002E70000-memory.dmp

Filesize
1024KB

Download
memory/3240-121-0x0000000002FB0000-0x0000000002FE4000-memory.dmp

Filesize
208KB

Download
memory/3240-119-0x0000000000400000-0x0000000002B14000-memory.dmp

Filesize
39.1MB

Download
memory/3240-131-0x0000000000400000-0x0000000002AF0000-memory.dmp

Filesize
38.9MB

Download
memory/3240-132-0x0000000000400000-0x0000000002B14000-memory.dmp

Filesize
39.1MB

Download
memory/3240-133-0x0000000000400000-0x0000000002AF0000-memory.dmp

Filesize
38.9MB

Download

Analysis

Sharing