stealc | 18b6d9af4a2895a4fe0d00a8345fac2e2b6186a3fafb34d6bb6af4f9e3a07477

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/01/2024, 19:27

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General

Target
Justices.exe
Size 231KB
Sample240122-x53lmsdbb2
SHA256 18b6d9af4a2895a4fe0d00a8345fac2e2b6186a3fafb34d6bb6af4f9e3a07477
MD5 5ef55d28fdd870ccd6ce86aef3925a1c
SHA1 9efb1869fb6d9e86567dc450ef6a2b3a2d704ad7
SHA512 7c3a0f37f701400d936e6bafc0f3fca6de60519857fe1d30e553cb1717ab93b97819c6a3ce5d80ff4ff9b368f95308120a8283235a703f7a963b04b5a35ff177
SSDEEP 3072:rj/6SL0Z//IEcoWCbtAnKikxmbZJ/ii/HkUD9QyKpFO6Quc+5e2lBI4:rT6SLQXIE9Nbt2im9J6okuGQumMC4
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

stealc discovery spyware stealer

Malware Config

Extracted

Family

stealc

http://185.172.128.79

Attributes

url_path
/3886d2276f6914c4.php

rc4.plain

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-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation	Justices.exe

Loads dropped DLL 2 IoCs

pid	Process
3212	Justices.exe
3212	Justices.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
3692	3212	WerFault.exe	83

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3420	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3212	Justices.exe
3212	Justices.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3212 wrote to memory of 444	3212	Justices.exe	95
PID 3212 wrote to memory of 444	3212	Justices.exe	95
PID 3212 wrote to memory of 444	3212	Justices.exe	95
PID 444 wrote to memory of 3420	444	cmd.exe	99
PID 444 wrote to memory of 3420	444	cmd.exe	99
PID 444 wrote to memory of 3420	444	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\Justices.exe
"C:\Users\Admin\AppData\Local\Temp\Justices.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3212
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\Justices.exe" & del "C:\ProgramData\*.dll"" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:444
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 5
    3⤵
    - Delays execution with timeout.exe
    PID:3420
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3212 -s 2344
  2⤵
  - Program crash
  PID:3692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3212 -ip 3212
1⤵
PID:2512

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

Are.docx

Path C:\ProgramData\Are.docx
Size 11KB
SHA256 5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
MD5 a33e5b189842c5867f46566bdbf7a095
SHA1 e1c06359f6a76da90d19e8fd95e79c832edb3196
SHA512 f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b
SSDEEP 192:CtNCEE33S7Ok0CMSYbcBVk6tqM16iPBkeawLWdxd7o3Lp:aNwC78uYbcBv6akwLWdxdE3Lp
MD5 SHA1 SHA512 SSDEEP

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mozglue.dll

Path C:\ProgramData\mozglue.dll
Size 593KB
SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
MD5 c8fd9be83bc728cc04beffafc2907fe9
SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
SSDEEP 12288:BlSyAom/gcRKMdRm4wFkRHuyG4RRGJVDjMk/x21R8gY/r:BKgcRKMdRm4wFkVVDGJVv//x21R8br
MD5 SHA1 SHA512 SSDEEP

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nss3.dll

Path C:\ProgramData\nss3.dll
Size 1.4MB
SHA256 a23a6ec8da4b09bfa69a5afd797a023ea6709ad76fccd526256990fde268a923
MD5 78e69daf2d338a3774527ded3c49d2e4
SHA1 10df9d594c5571beb342ff67a5fe7ef1bd274f09
SHA512 e6d422e7c559445fe2d16ea8c9ac95e69273b51727bcb4cf9426f0b26dc6beea6cc14467e7528cbddf229e563a96e8714b35ef2410d2756406dc56b568e35904
SSDEEP 24576:fEggtwf12gyTkHlnKGxJHxIB+y5GNIvxnnt7rczxISEYak3HFOsWYrVvE4C5mxVA:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3Q
MD5 SHA1 SHA512 SSDEEP

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memory/3212-1-0x0000000000B00000-0x0000000000C00000-memory.dmp

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memory/3212-2-0x0000000000AC0000-0x0000000000ADC000-memory.dmp

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memory/3212-3-0x0000000000400000-0x000000000085C000-memory.dmp

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memory/3212-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

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memory/3212-79-0x0000000000400000-0x000000000085C000-memory.dmp

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memory/3212-81-0x0000000000400000-0x000000000085C000-memory.dmp

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