hijackloader | eed11e118470e6c53e146514029694e8cff135f02624782cfc48f9f1d2eb10ea

General

Target

0x000c0000000234ed-1063.exe
Size

7.1MB
MD5

f6c26e56c21e80ece28c34c1491cd173
SHA1

2cb59f35292b92d79c6a4c569c58b5871bd9bf94
SHA256

a88e34617a82ee8f03c33ded79042a0d8f4655daf4de40d819e74448f9c34fc1
SHA512

2228aa271ca678d7db627a39f8affcdc7266123ddd99da357b60a37d0b77a2a78509184a3cc302064a88ba225dee61ba43e4ae7e64546cc816845d92ad15b5b6
SSDEEP

98304:diMrdaUIJ3sxQvmzLvqwBOZTcjgxffDjqJLzEw5blkyD9OQUYn:Yi68xQ+zLJOZwjgZbeB0Yn

Score

10^/10

hijackloader stealc meowsterioland3 credential_access discovery loader spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

meowsterioland3

C2

http://45.152.112.131

Attributes

url_path
/8ee66a3c8f19e4b5.php

Signatures

Detects HijackLoader (aka IDAT Loader) 1 IoCs

resource	yara_rule
behavioral2/memory/3128-1-0x0000000000A30000-0x00000000011F1000-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
4224	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
3156	explorer.exe
3156	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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3128 set thread context of 4224	3128	0x000c0000000234ed-1063.exe	86

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	0x000c0000000234ed-1063.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.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 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
4944	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3128	0x000c0000000234ed-1063.exe
3128	0x000c0000000234ed-1063.exe
4224	cmd.exe
4224	cmd.exe
3156	explorer.exe
3156	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3128	0x000c0000000234ed-1063.exe
4224	cmd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3128	0x000c0000000234ed-1063.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3128 wrote to memory of 4224	3128	0x000c0000000234ed-1063.exe	86
PID 3128 wrote to memory of 4224	3128	0x000c0000000234ed-1063.exe	86
PID 3128 wrote to memory of 4224	3128	0x000c0000000234ed-1063.exe	86
PID 3128 wrote to memory of 4224	3128	0x000c0000000234ed-1063.exe	86
PID 4224 wrote to memory of 3156	4224	cmd.exe	91
PID 4224 wrote to memory of 3156	4224	cmd.exe	91
PID 4224 wrote to memory of 3156	4224	cmd.exe	91
PID 4224 wrote to memory of 3156	4224	cmd.exe	91
PID 3156 wrote to memory of 4772	3156	explorer.exe	97
PID 3156 wrote to memory of 4772	3156	explorer.exe	97
PID 3156 wrote to memory of 4772	3156	explorer.exe	97
PID 4772 wrote to memory of 4944	4772	cmd.exe	99
PID 4772 wrote to memory of 4944	4772	cmd.exe	99
PID 4772 wrote to memory of 4944	4772	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\0x000c0000000234ed-1063.exe
"C:\Users\Admin\AppData\Local\Temp\0x000c0000000234ed-1063.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3128
- 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:4224
- - 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
    - Suspicious use of WriteProcessMemory
    PID:3156
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Windows\SysWOW64\explorer.exe" & del "C:\ProgramData\*.dll"" & exit
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4772
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 5
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:4944

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3224

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

2

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

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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\4e9c7460

Filesize
907KB

MD5
686391155c2fcbec4f384c90b75d4e9d

SHA1
09fcb1e8fa3001bf35ff3f5f7d679e10a6e31c8d

SHA256
fa2d357641ea2314c0b16f56f1d8c53386b900cc943fb7f20e93cc99d8b8fb04

SHA512
eedda57da4d38b143a681964ae560c3e017dab5f834d5320405d6d02b225f73e97ee0a232c732e1a3b8ca107da2504e9659799be62bd49d0a4ac6b5433543e34

Download Submit
memory/3128-0-0x0000000000A20000-0x0000000000A21000-memory.dmp

Filesize
4KB

Download
memory/3128-1-0x0000000000A30000-0x00000000011F1000-memory.dmp

Filesize
7.8MB

Download
memory/3128-2-0x0000000074AD0000-0x0000000074C4B000-memory.dmp

Filesize
1.5MB

Download
memory/3128-3-0x00007FFDC03D0000-0x00007FFDC05C5000-memory.dmp

Filesize
2.0MB

Download
memory/3128-4-0x0000000074AE3000-0x0000000074AE5000-memory.dmp

Filesize
8KB

Download
memory/3128-5-0x0000000074AD0000-0x0000000074C4B000-memory.dmp

Filesize
1.5MB

Download
memory/3128-6-0x0000000074AD0000-0x0000000074C4B000-memory.dmp

Filesize
1.5MB

Download
memory/3156-18-0x00000000005E0000-0x0000000000825000-memory.dmp

Filesize
2.3MB

Download
memory/3156-16-0x00000000005E0000-0x0000000000825000-memory.dmp

Filesize
2.3MB

Download
memory/3156-17-0x00007FFDC03D0000-0x00007FFDC05C5000-memory.dmp

Filesize
2.0MB

Download
memory/3156-21-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3156-85-0x00000000005E0000-0x0000000000825000-memory.dmp

Filesize
2.3MB

Download
memory/4224-13-0x0000000074AD0000-0x0000000074C4B000-memory.dmp

Filesize
1.5MB

Download
memory/4224-15-0x0000000074AD0000-0x0000000074C4B000-memory.dmp

Filesize
1.5MB

Download
memory/4224-12-0x0000000074AD0000-0x0000000074C4B000-memory.dmp

Filesize
1.5MB

Download
memory/4224-11-0x00007FFDC03D0000-0x00007FFDC05C5000-memory.dmp

Filesize
2.0MB

Download
memory/4224-9-0x0000000074AD0000-0x0000000074C4B000-memory.dmp

Filesize
1.5MB

Download

Analysis

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