hijackloader | 939b4ad64a2fee79a9c587e6ba51da1a91776bc0ba981d6bfdf4ce4e9d38692a

General

Target

snss1.exe
Size

1.0MB
MD5

ffdc69212e6267315ce7fc7c5e8b517c
SHA1

d1e6c1a2acf1877439f207d6377987f5a13756e9
SHA256

939b4ad64a2fee79a9c587e6ba51da1a91776bc0ba981d6bfdf4ce4e9d38692a
SHA512

1a0f2e83397c7bef5e88b0a59321533f33154546594a8710dad8fbd4bccca67969787cdf73f2afb7155cd59742af50dd1bee88ed35eec4f2a2a41d34710dca0d
SSDEEP

24576:9e5/rpVXDp3l86eK7m02hxLF6QY4JVz4/bL9rpLJA0vk:MHw1KwJIQYUkjJV+n

Score

10^/10

hijackloader stealc dex9 loader spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

dex9

C2

http://45.132.105.157

Attributes

url_path
/eb155c7506e03ca9.php

Signatures

Detects HijackLoader (aka IDAT Loader) 1 IoCs

resource	yara_rule
behavioral1/memory/1976-0-0x0000000140000000-0x00000001401A8000-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
Downloads MZ/PE file

Deletes itself 1 IoCs

pid	Process
2224	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
2520	explorer.exe
2520	explorer.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1976 set thread context of 2224	1976	snss1.exe	28

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1124	timeout.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1976	snss1.exe
1976	snss1.exe
2224	cmd.exe
2224	cmd.exe
2520	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1976	snss1.exe
2224	cmd.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2224	1976	snss1.exe	28
PID 1976 wrote to memory of 2224	1976	snss1.exe	28
PID 1976 wrote to memory of 2224	1976	snss1.exe	28
PID 1976 wrote to memory of 2224	1976	snss1.exe	28
PID 1976 wrote to memory of 2224	1976	snss1.exe	28
PID 2224 wrote to memory of 2520	2224	cmd.exe	30
PID 2224 wrote to memory of 2520	2224	cmd.exe	30
PID 2224 wrote to memory of 2520	2224	cmd.exe	30
PID 2224 wrote to memory of 2520	2224	cmd.exe	30
PID 2224 wrote to memory of 2520	2224	cmd.exe	30
PID 2224 wrote to memory of 2520	2224	cmd.exe	30
PID 2520 wrote to memory of 652	2520	explorer.exe	35
PID 2520 wrote to memory of 652	2520	explorer.exe	35
PID 2520 wrote to memory of 652	2520	explorer.exe	35
PID 2520 wrote to memory of 652	2520	explorer.exe	35
PID 652 wrote to memory of 1124	652	cmd.exe	37
PID 652 wrote to memory of 1124	652	cmd.exe	37
PID 652 wrote to memory of 1124	652	cmd.exe	37
PID 652 wrote to memory of 1124	652	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\snss1.exe
"C:\Users\Admin\AppData\Local\Temp\snss1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\SysWOW64\cmd.exe
  2⤵
  - Deletes itself
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2224
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2520
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "" & del "C:\ProgramData\*.dll"" & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:652
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 5
        5⤵
        Delays execution with timeout.exe
        
        PID:1124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\77a30a5a

Filesize
869KB

MD5
0e5b26fd79eb0c46bb0be93970c3ec01

SHA1
4adc221d090efa39ffb32a18e0a8125a4df13db6

SHA256
8d344888a70c7af1efe38e559ddf22cdef232bfb5fe46ab293c6d1250465dbc8

SHA512
d6a0978fde7e179b31126949b4cbe017bcefddd3f6ef49fe56301eab30c0a9a53ed50ffcb12e83799af767c126c58687aad3799ca59bafcd6419314ac86e15ec

Download Submit
\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/1976-1-0x000007FEF6C50000-0x000007FEF6DA8000-memory.dmp

Filesize
1.3MB

Download
memory/1976-2-0x000007FEF6C68000-0x000007FEF6C69000-memory.dmp

Filesize
4KB

Download
memory/1976-3-0x000007FEF6C50000-0x000007FEF6DA8000-memory.dmp

Filesize
1.3MB

Download
memory/1976-4-0x000007FEF6C50000-0x000007FEF6DA8000-memory.dmp

Filesize
1.3MB

Download
memory/1976-0-0x0000000140000000-0x00000001401A8000-memory.dmp

Filesize
1.7MB

Download
memory/2224-7-0x0000000076E10000-0x0000000076FB9000-memory.dmp

Filesize
1.7MB

Download
memory/2224-9-0x000000007465E000-0x0000000074660000-memory.dmp

Filesize
8KB

Download
memory/2224-12-0x0000000074650000-0x00000000747C4000-memory.dmp

Filesize
1.5MB

Download
memory/2224-10-0x0000000074650000-0x00000000747C4000-memory.dmp

Filesize
1.5MB

Download
memory/2224-8-0x0000000074650000-0x00000000747C4000-memory.dmp

Filesize
1.5MB

Download
memory/2224-20-0x000000007465E000-0x0000000074660000-memory.dmp

Filesize
8KB

Download
memory/2520-14-0x0000000076E10000-0x0000000076FB9000-memory.dmp

Filesize
1.7MB

Download
memory/2520-17-0x0000000000920000-0x0000000000928000-memory.dmp

Filesize
32KB

Download
memory/2520-18-0x00000000008F0000-0x0000000000B71000-memory.dmp

Filesize
2.5MB

Download
memory/2520-19-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2520-21-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2520-24-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2520-59-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2520-64-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2520-15-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2520-13-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/2520-88-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download

Analysis

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