hijackloader | 1a2270547fa3f0c903a5eca3318b380be5e5318d748c29b57c1ba657ac66f590

General

Target

snss1.exe
Size

3.0MB
MD5

33b57a0801027e2850d708a8418fab81
SHA1

025970a55f120a20c90ca646fe48ac315482b16b
SHA256

2126e2d225b9b38190cba5627877bccabc5da5f57443731c8ee292eecec51091
SHA512

50a7c77f3e00715b5efb6c6501856849636f428baf1fd50ab48da507685d19f4bfd27350048501833d5a6e5a81e37bea2f4d584c4413ef40b46863057c49ce65
SSDEEP

49152:+UvC/MTQYNsWy7aKVN/vndlsKwxEO0YTUD6CsRBJgsoDDeQ:VjTQYNsWy3NndlsdEO0YwWRBSpDDeQ

Score

10^/10

hijackloader stealc wasp4 credential_access discovery loader spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

wasp4

C2

http://45.152.112.103

Attributes

url_path
/1cf3aa1810feeb67.php

Signatures

Detects HijackLoader (aka IDAT Loader) 1 IoCs

resource	yara_rule
behavioral2/memory/1596-0-0x0000000000AF0000-0x0000000000DE6000-memory.dmp	family_hijackloader

HijackLoader
HijackLoader is a multistage loader first seen in 2023.
loader hijackloader
Stealc
Stealc is an infostealer written in C++.
stealer stealc
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Downloads MZ/PE file

Deletes itself 1 IoCs

pid	Process
3480	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
4568	explorer.exe
4568	explorer.exe

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/1596-0-0x0000000000AF0000-0x0000000000DE6000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1596 set thread context of 3480	1596	snss1.exe	86

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	snss1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	explorer.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1596	snss1.exe
1596	snss1.exe
3480	cmd.exe
3480	cmd.exe
4568	explorer.exe
4568	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1596	snss1.exe
3480	cmd.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1596	snss1.exe
1596	snss1.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1596	snss1.exe
1596	snss1.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 3480	1596	snss1.exe	86
PID 1596 wrote to memory of 3480	1596	snss1.exe	86
PID 1596 wrote to memory of 3480	1596	snss1.exe	86
PID 1596 wrote to memory of 3480	1596	snss1.exe	86
PID 3480 wrote to memory of 4568	3480	cmd.exe	88
PID 3480 wrote to memory of 4568	3480	cmd.exe	88
PID 3480 wrote to memory of 4568	3480	cmd.exe	88
PID 3480 wrote to memory of 4568	3480	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\snss1.exe
"C:\Users\Admin\AppData\Local\Temp\snss1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\SysWOW64\cmd.exe
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3480
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:4568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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\Temp\8bfac83

Filesize
907KB

MD5
9e0b7a089b035fd45f187bded8e51ffd

SHA1
896f2e4b7a5ef6f3d27fdd96cb2b0ce2fe690985

SHA256
0f1aa94cd69183a8e356b22220575eb7fe944f57468eb6ecd20dba063b7f6090

SHA512
6d3ee9c13c631c4bc6be2b610f89fbdd26752a914115cf07aa354492b98eaffad38916a75b5042f020fe1fe4839fb0a75d0bc13e367355e2dae382c0aa155a04

Download Submit
memory/1596-0-0x0000000000AF0000-0x0000000000DE6000-memory.dmp

Filesize
3.0MB

Download
memory/1596-1-0x0000000074A10000-0x0000000074B8B000-memory.dmp

Filesize
1.5MB

Download
memory/1596-2-0x00007FFEF03B0000-0x00007FFEF05A5000-memory.dmp

Filesize
2.0MB

Download
memory/1596-3-0x0000000074A23000-0x0000000074A25000-memory.dmp

Filesize
8KB

Download
memory/1596-4-0x0000000074A10000-0x0000000074B8B000-memory.dmp

Filesize
1.5MB

Download
memory/1596-5-0x0000000074A10000-0x0000000074B8B000-memory.dmp

Filesize
1.5MB

Download
memory/3480-11-0x0000000074A10000-0x0000000074B8B000-memory.dmp

Filesize
1.5MB

Download
memory/3480-10-0x0000000074A10000-0x0000000074B8B000-memory.dmp

Filesize
1.5MB

Download
memory/3480-13-0x0000000074A10000-0x0000000074B8B000-memory.dmp

Filesize
1.5MB

Download
memory/3480-9-0x00007FFEF03B0000-0x00007FFEF05A5000-memory.dmp

Filesize
2.0MB

Download
memory/3480-7-0x0000000074A10000-0x0000000074B8B000-memory.dmp

Filesize
1.5MB

Download
memory/4568-14-0x0000000000E30000-0x0000000001075000-memory.dmp

Filesize
2.3MB

Download
memory/4568-15-0x00007FFEF03B0000-0x00007FFEF05A5000-memory.dmp

Filesize
2.0MB

Download
memory/4568-16-0x0000000000E30000-0x0000000001075000-memory.dmp

Filesize
2.3MB

Download
memory/4568-18-0x0000000000703000-0x000000000070B000-memory.dmp

Filesize
32KB

Download
memory/4568-19-0x0000000000620000-0x0000000000A53000-memory.dmp

Filesize
4.2MB

Download
memory/4568-20-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4568-68-0x0000000000E30000-0x0000000001075000-memory.dmp

Filesize
2.3MB

Download
memory/4568-91-0x0000000000E30000-0x0000000001075000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing