stealc | 8fdba4d5009feeceae3e259b1f2421bf2efa3b8eeaa24c2cfbdb594e39f97ac0

General

Target

8fdba4d5009feeceae3e259b1f2421bf2efa3b8eeaa24c2cfbdb594e39f97ac0.exe
Size

217KB
MD5

1b0b8b80224388930e539cf3708d1f59
SHA1

8a500f8b2b33bb4f9925cc13e99bc5597811a039
SHA256

8fdba4d5009feeceae3e259b1f2421bf2efa3b8eeaa24c2cfbdb594e39f97ac0
SHA512

f914bb89174d2fe8634a277eb5ce4d80057ca8d5da29a6fcc84cb14bf43d7e83d06e822bde3b48e6be81c24218b9f3a62d0b3d04a6922268b8e246648a1e7bdd
SSDEEP

3072:9uJCEJPkNNhyayt78+0z+HbSBXAikKWR8y2Cn6WJFtUxhrF+Jl5VnOFaHpTk0hJi:yJMNnyBfckrb8y2Cn6gn8fr2

Score

10^/10

stealc default11 discovery spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

default11

C2

http://185.172.128.170

Attributes

url_path
/7043a0c6a68d9c65.php

Signatures

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

Loads dropped DLL 2 IoCs

Processes:

8fdba4d5009feeceae3e259b1f2421bf2efa3b8eeaa24c2cfbdb594e39f97ac0.exe

pid	process
5080	8fdba4d5009feeceae3e259b1f2421bf2efa3b8eeaa24c2cfbdb594e39f97ac0.exe
5080	8fdba4d5009feeceae3e259b1f2421bf2efa3b8eeaa24c2cfbdb594e39f97ac0.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

1508 5080 WerFault.exe 8fdba4d5009feeceae3e259b1f2421bf2efa3b8eeaa24c2cfbdb594e39f97ac0.exe

pid	pid_target	process	target process
1508	5080	WerFault.exe	8fdba4d5009feeceae3e259b1f2421bf2efa3b8eeaa24c2cfbdb594e39f97ac0.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:

8fdba4d5009feeceae3e259b1f2421bf2efa3b8eeaa24c2cfbdb594e39f97ac0.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	8fdba4d5009feeceae3e259b1f2421bf2efa3b8eeaa24c2cfbdb594e39f97ac0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	8fdba4d5009feeceae3e259b1f2421bf2efa3b8eeaa24c2cfbdb594e39f97ac0.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

8fdba4d5009feeceae3e259b1f2421bf2efa3b8eeaa24c2cfbdb594e39f97ac0.exe

pid	process
5080	8fdba4d5009feeceae3e259b1f2421bf2efa3b8eeaa24c2cfbdb594e39f97ac0.exe
5080	8fdba4d5009feeceae3e259b1f2421bf2efa3b8eeaa24c2cfbdb594e39f97ac0.exe

C:\Users\Admin\AppData\Local\Temp\8fdba4d5009feeceae3e259b1f2421bf2efa3b8eeaa24c2cfbdb594e39f97ac0.exe
"C:\Users\Admin\AppData\Local\Temp\8fdba4d5009feeceae3e259b1f2421bf2efa3b8eeaa24c2cfbdb594e39f97ac0.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:5080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 2084
2⤵
- Program crash
PID:1508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5080 -ip 5080
1⤵
PID:4936

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

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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/5080-1-0x0000000002DD0000-0x0000000002ED0000-memory.dmp

Filesize
1024KB

Download
memory/5080-2-0x00000000049C0000-0x00000000049E7000-memory.dmp

Filesize
156KB

Download
memory/5080-3-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/5080-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/5080-75-0x0000000000400000-0x0000000002C95000-memory.dmp

Filesize
40.6MB

Download
memory/5080-90-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/5080-89-0x0000000000400000-0x0000000002C95000-memory.dmp

Filesize
40.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads