stealc | 5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778

Analysis

max time kernel
133s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30/05/2024, 17:52

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General

Target

5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
Size

330KB
MD5

ce13f0778f5fbbe5a368c41d7bf50a5e
SHA1

71a36287c669616505c87122e70db287be3d40d1
SHA256

5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778
SHA512

d88cac0911f894a151916c82d979e50359536a2d3d3bb6cecd7ad99a2475b09f5dd209bb44e248dc7e081f0b17a3f687d7ae3aa67a32e4542e83280c69df48be
SSDEEP

3072:R2YA0irBPruaYNZpuSqxw3VTn3+6QFaWOxgqLcXxcpcOIb5wDEl5vBIguvt6lGBD:Zir9efrq+3RnxecpcOf4pBI3+GBXndF

Score

10^/10

stealc default12 discovery spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

default12

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe

Executes dropped EXE 1 IoCs

pid	Process
3088	ECFHJKEBAA.exe

Loads dropped DLL 2 IoCs

pid	Process
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.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

pid	pid_target	Process	procid_target
2348	1056	WerFault.exe	90

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	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 3876	1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe	107
PID 1056 wrote to memory of 3876	1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe	107
PID 1056 wrote to memory of 3876	1056	5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe	107
PID 3876 wrote to memory of 3088	3876	cmd.exe	111
PID 3876 wrote to memory of 3088	3876	cmd.exe	111
PID 3876 wrote to memory of 3088	3876	cmd.exe	111

C:\Users\Admin\AppData\Local\Temp\5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe
"C:\Users\Admin\AppData\Local\Temp\5bc51fd4f0d0ff303097f4d8516f4323289db86de9c36158a4bcf8d38bcfd778.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\ECFHJKEBAA.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3876
- - C:\Users\Admin\AppData\Local\Temp\ECFHJKEBAA.exe
    "C:\Users\Admin\AppData\Local\Temp\ECFHJKEBAA.exe"
    3⤵
    - Executes dropped EXE
    PID:3088
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1056 -s 2280
  2⤵
  - Program crash
  PID:2348

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=3540,i,5711962389779687290,1245653010537220991,262144 --variations-seed-version --mojo-platform-channel-handle=2424 /prefetch:3
1⤵
PID:4812

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4064,i,5711962389779687290,1245653010537220991,262144 --variations-seed-version --mojo-platform-channel-handle=3548 /prefetch:8
1⤵
PID:3516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1056 -ip 1056
1⤵
PID:208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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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
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports

Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries

Filesize
40B

MD5
20d4b8fa017a12a108c87f540836e250

SHA1
1ac617fac131262b6d3ce1f52f5907e31d5f6f00

SHA256
6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

SHA512
507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

Download Submit
C:\Users\Admin\AppData\Local\Temp\ECFHJKEBAA.exe

Filesize
533KB

MD5
6c93fc68e2f01c20fb81af24470b790c

SHA1
d5927b38a32e30afcf5a658612a8266476fc4ad8

SHA256
64a71b664d76641b35dac312161cb356b3b3b5f0b45c9d88c8afa547b4902580

SHA512
355e9677121ef17cf8c398f0c17399776d206c62014080a2c62682e1152ea0729dcc6e233358dcd6bae009b07e3db936d4b18eb37d6e7ebc2fe9cf8d827c4ade

Download Submit
memory/1056-3-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/1056-2-0x0000000002970000-0x0000000002997000-memory.dmp

Filesize
156KB

Download
memory/1056-1-0x0000000002AB0000-0x0000000002BB0000-memory.dmp

Filesize
1024KB

Download
memory/1056-5-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/1056-96-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/1056-95-0x0000000000400000-0x00000000028E1000-memory.dmp

Filesize
36.9MB

Download