stealc | 93daff65c57117fbfd0f81b0f756f547467dfb09a0dc4952d0c8013ab6558bee

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
24/10/2023, 10:24

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General

Target

file.exe
Size

174KB
MD5

cdbff335d0d94a84af20e24c9ae1d36b
SHA1

8af1e2f5b1e515e7992813d6812a67599dc5d47d
SHA256

93daff65c57117fbfd0f81b0f756f547467dfb09a0dc4952d0c8013ab6558bee
SHA512

b43234638a4496293f6be1545181bb0f5b9b64cf01ca2fcb477f32edf03784a8c5a37f2907c73ab5d8207e2c623e31f9ecd63a9218a1716816a47426575170b0
SSDEEP

3072:a6BNVhdn8doyQJWO/3mr8Wjbfpj3A9P1yVVwXtih5J0h:x/hFSoyQJWO/308ibR3A9cwXti

Score

10^/10

stealc discovery spyware stealer

Malware Config

Extracted

Family

stealc

http://wy�ttsebastian.top

Attributes

url_path
/e9c345fc99a4e67e.php

rc4.plain

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
1560	file.exe
1560	file.exe

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

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1560	file.exe
1560	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1560

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\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/1560-5-0x0000000000400000-0x00000000007B4000-memory.dmp

Filesize
3.7MB

Download
memory/1560-6-0x0000000002500000-0x000000000251B000-memory.dmp

Filesize
108KB

Download
memory/1560-8-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/1560-46-0x0000000000400000-0x00000000007B4000-memory.dmp

Filesize
3.7MB

Download
memory/1560-51-0x0000000000400000-0x00000000007B4000-memory.dmp

Filesize
3.7MB

Download
memory/1560-57-0x0000000000400000-0x00000000007B4000-memory.dmp

Filesize
3.7MB

Download
memory/1560-61-0x0000000000400000-0x00000000007B4000-memory.dmp

Filesize
3.7MB

Download
memory/1560-1-0x00000000007E0000-0x00000000008E0000-memory.dmp

Filesize
1024KB

Download
memory/1560-4-0x00000000007E0000-0x00000000008E0000-memory.dmp

Filesize
1024KB

Download
memory/1560-3-0x0000000000400000-0x00000000007B4000-memory.dmp

Filesize
3.7MB

Download
memory/1560-86-0x0000000000400000-0x00000000007B4000-memory.dmp

Filesize
3.7MB

Download
memory/1560-2-0x0000000002500000-0x000000000251B000-memory.dmp

Filesize
108KB

Download