hijackloader | a88e34617a82ee8f03c33ded79042a0d8f4655daf4de40d819e74448f9c34fc1

General

Target

updateload.bin.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
behavioral1/memory/2680-1-0x0000000000400000-0x0000000000BC1000-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
2412	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
2704	explorer.exe
2704	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 2680 set thread context of 2412	2680	updateload.bin.exe	30

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

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2680	updateload.bin.exe
2680	updateload.bin.exe
2412	cmd.exe
2412	cmd.exe
2704	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2680	updateload.bin.exe
2412	cmd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2680	updateload.bin.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 2412	2680	updateload.bin.exe	30
PID 2680 wrote to memory of 2412	2680	updateload.bin.exe	30
PID 2680 wrote to memory of 2412	2680	updateload.bin.exe	30
PID 2680 wrote to memory of 2412	2680	updateload.bin.exe	30
PID 2680 wrote to memory of 2412	2680	updateload.bin.exe	30
PID 2412 wrote to memory of 2704	2412	cmd.exe	33
PID 2412 wrote to memory of 2704	2412	cmd.exe	33
PID 2412 wrote to memory of 2704	2412	cmd.exe	33
PID 2412 wrote to memory of 2704	2412	cmd.exe	33
PID 2412 wrote to memory of 2704	2412	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\updateload.bin.exe
"C:\Users\Admin\AppData\Local\Temp\updateload.bin.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:2680
- 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:2412
- - 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:2704

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:\Users\Admin\AppData\Local\Temp\914a6627

Filesize
907KB

MD5
21359dc9b42581e91e330ed6fe2f63ec

SHA1
b773b66d207438109ac2e4d750e201325a5c57ad

SHA256
178a854aa56059a23d0c5c6796fb3bb2681efcb4d35010b2d05c0863e12a8288

SHA512
3ad04f8f0bf551cf974ea29e527fb49a0a52a25b6b5a68151e6423016264d2ab901ae20bf959130cdbddc126abb65fe4577d298af3f020244bed59e9d6ccd3c4

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/2412-15-0x0000000074460000-0x00000000745D4000-memory.dmp

Filesize
1.5MB

Download
memory/2412-12-0x0000000074460000-0x00000000745D4000-memory.dmp

Filesize
1.5MB

Download
memory/2412-13-0x0000000074460000-0x00000000745D4000-memory.dmp

Filesize
1.5MB

Download
memory/2412-11-0x00000000772D0000-0x0000000077479000-memory.dmp

Filesize
1.7MB

Download
memory/2412-10-0x0000000074460000-0x00000000745D4000-memory.dmp

Filesize
1.5MB

Download
memory/2680-4-0x0000000074473000-0x0000000074475000-memory.dmp

Filesize
8KB

Download
memory/2680-6-0x0000000074460000-0x00000000745D4000-memory.dmp

Filesize
1.5MB

Download
memory/2680-0-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2680-5-0x0000000074460000-0x00000000745D4000-memory.dmp

Filesize
1.5MB

Download
memory/2680-3-0x00000000772D0000-0x0000000077479000-memory.dmp

Filesize
1.7MB

Download
memory/2680-1-0x0000000000400000-0x0000000000BC1000-memory.dmp

Filesize
7.8MB

Download
memory/2680-2-0x0000000074460000-0x00000000745D4000-memory.dmp

Filesize
1.5MB

Download
memory/2704-18-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2704-20-0x0000000000A30000-0x0000000000A38000-memory.dmp

Filesize
32KB

Download
memory/2704-21-0x0000000000A00000-0x0000000000C81000-memory.dmp

Filesize
2.5MB

Download
memory/2704-22-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2704-23-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2704-17-0x00000000772D0000-0x0000000077479000-memory.dmp

Filesize
1.7MB

Download
memory/2704-16-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2704-83-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download

Analysis

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