stealc | f09c622512228d56ad3555f21d6ae45549a8d25847c81385c081e5d6bfd9d813

General

Target

f09c622512228d56ad3555f21d6ae45549a8d25847c81385c081e5d6bfd9d813.exe
Size

346KB
MD5

f42bdef761c1ca4496542cdc8024073e
SHA1

5990c707a5bf75f76eb84aedaca381d854c4fbf9
SHA256

f09c622512228d56ad3555f21d6ae45549a8d25847c81385c081e5d6bfd9d813
SHA512

41fa338c987676883c29b9911459a3eb38b4cd21b16da4971945a5accc000d72c5aae4175982a4209526d103b5b3d29b8505346af444677aa8ae605300ce1b1b
SSDEEP

3072:YUmHzT+88mdFtaOA4M/CbZZ4BQj/Gek/ceVCZ5Bte97d9thjun5B7+iqWmqGg1fd:CX+Ix4BQj/8/cWgA97d9fuT7+VhwR

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

Loads dropped DLL 2 IoCs

pid	Process
2940	f09c622512228d56ad3555f21d6ae45549a8d25847c81385c081e5d6bfd9d813.exe
2940	f09c622512228d56ad3555f21d6ae45549a8d25847c81385c081e5d6bfd9d813.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
1280	2940	WerFault.exe	78

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	f09c622512228d56ad3555f21d6ae45549a8d25847c81385c081e5d6bfd9d813.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	f09c622512228d56ad3555f21d6ae45549a8d25847c81385c081e5d6bfd9d813.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2940	f09c622512228d56ad3555f21d6ae45549a8d25847c81385c081e5d6bfd9d813.exe
2940	f09c622512228d56ad3555f21d6ae45549a8d25847c81385c081e5d6bfd9d813.exe
2940	f09c622512228d56ad3555f21d6ae45549a8d25847c81385c081e5d6bfd9d813.exe
2940	f09c622512228d56ad3555f21d6ae45549a8d25847c81385c081e5d6bfd9d813.exe

C:\Users\Admin\AppData\Local\Temp\f09c622512228d56ad3555f21d6ae45549a8d25847c81385c081e5d6bfd9d813.exe
"C:\Users\Admin\AppData\Local\Temp\f09c622512228d56ad3555f21d6ae45549a8d25847c81385c081e5d6bfd9d813.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2940
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2940 -s 2620
  2⤵
  - Program crash
  PID:1280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2940 -ip 2940
1⤵
PID:2752

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

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Downloads

C:\ProgramData\ResetOptimize.txt

Filesize
948KB

MD5
5f04009db9ddc8786828cd4fce749352

SHA1
3d3aeccf71fb83874517dff083f3bdb5b742d6f9

SHA256
72293d1eaf3fb312a6a897050391177ffdaf3a387d0467ed57b1750c163f8aa0

SHA512
d8ac69f66d27bd542af1c195999dd1b6feda43ba480344918d7d4efa698f386183f7269b8980f8ea7b2d0f91efba8f6bbf5062c5a7cc812a1a7258346dbf28aa

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/2940-5-0x0000000000400000-0x0000000002B14000-memory.dmp

Filesize
39.1MB

Download
memory/2940-7-0x0000000000400000-0x0000000002B14000-memory.dmp

Filesize
39.1MB

Download
memory/2940-8-0x0000000000400000-0x0000000002B14000-memory.dmp

Filesize
39.1MB

Download
memory/2940-9-0x0000000000400000-0x0000000002B14000-memory.dmp

Filesize
39.1MB

Download
memory/2940-18-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2940-66-0x0000000000400000-0x0000000002B14000-memory.dmp

Filesize
39.1MB

Download
memory/2940-2-0x0000000002F80000-0x0000000002FB4000-memory.dmp

Filesize
208KB

Download
memory/2940-4-0x0000000000400000-0x0000000002AF0000-memory.dmp

Filesize
38.9MB

Download
memory/2940-118-0x0000000002F80000-0x0000000002FB4000-memory.dmp

Filesize
208KB

Download
memory/2940-1-0x0000000002CB0000-0x0000000002DB0000-memory.dmp

Filesize
1024KB

Download
memory/2940-124-0x0000000000400000-0x0000000002B14000-memory.dmp

Filesize
39.1MB

Download
memory/2940-125-0x0000000000400000-0x0000000002AF0000-memory.dmp

Filesize
38.9MB

Download

Analysis

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