hijackloader | 905c7a4a098ad5c0fae3b8f15fa5fa56a06372b7441aede1958ae1171e555b2a

General

Target

fa854b73b477f55bd2faa482ba8e8fc4.exe
Size

1.3MB
MD5

fa854b73b477f55bd2faa482ba8e8fc4
SHA1

056fb1cdf016ac6d510425ae4dc1693f257dc12e
SHA256

905c7a4a098ad5c0fae3b8f15fa5fa56a06372b7441aede1958ae1171e555b2a
SHA512

fe1b5c9c6a709b34687e35745bd7662aaff0bf816aedb4f59a68714c4797034e1472c667611eb10fb687916e899613fbb79d692a11cc5e074fce5a2ba1ee54c5
SSDEEP

24576:ZtnIMSJmXTYznHLtEqzH+qrjQYgkIuIcDH7IueXN5CUaCWyOVyOckiAhUcMkiAhl:ZtIMvE7rtz7+q/QYgkIu3DHkuedz6rVl

Score

10^/10

hijackloader stealc loader spyware stealer

Malware Config

Extracted

Family

stealc

C2

http://193.163.7.82

Attributes

url_path
/722c81812703a73d.php

Signatures

Detects HijackLoader (aka IDAT Loader) 1 IoCs

resource	yara_rule
behavioral2/memory/1048-0-0x0000000000930000-0x0000000000A8A000-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
2388	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
4316	explorer.exe
4316	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 1048 set thread context of 2388	1048	fa854b73b477f55bd2faa482ba8e8fc4.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 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
1048	fa854b73b477f55bd2faa482ba8e8fc4.exe
1048	fa854b73b477f55bd2faa482ba8e8fc4.exe
2388	cmd.exe
2388	cmd.exe
4316	explorer.exe
4316	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1048	fa854b73b477f55bd2faa482ba8e8fc4.exe
2388	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 2388	1048	fa854b73b477f55bd2faa482ba8e8fc4.exe	83
PID 1048 wrote to memory of 2388	1048	fa854b73b477f55bd2faa482ba8e8fc4.exe	83
PID 1048 wrote to memory of 2388	1048	fa854b73b477f55bd2faa482ba8e8fc4.exe	83
PID 1048 wrote to memory of 2388	1048	fa854b73b477f55bd2faa482ba8e8fc4.exe	83
PID 2388 wrote to memory of 4316	2388	cmd.exe	99
PID 2388 wrote to memory of 4316	2388	cmd.exe	99
PID 2388 wrote to memory of 4316	2388	cmd.exe	99
PID 2388 wrote to memory of 4316	2388	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\fa854b73b477f55bd2faa482ba8e8fc4.exe
"C:\Users\Admin\AppData\Local\Temp\fa854b73b477f55bd2faa482ba8e8fc4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\SysWOW64\cmd.exe
  2⤵
  - Deletes itself
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2388
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:4316

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:\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\98773989

Filesize
860KB

MD5
af1cd7d9d047a4cfb0e120732e40f544

SHA1
c9f544100592aa2d3967a27d24ca09deae5dcfe3

SHA256
b914b93d2e9eb1c20d488dd8ac4ba242f305d4ab1817d93b5178f46c7c98bb60

SHA512
23c0d69726fc519aebe90acc537fadaf050719c255b1c75fc7d538683223ed9387fac76a24331244ceb04bac0aef6aaa9a69cff2bbc0dc4b2eb00ba190b257e0

Download Submit
memory/1048-0-0x0000000000930000-0x0000000000A8A000-memory.dmp

Filesize
1.4MB

Download
memory/1048-1-0x0000000074D30000-0x0000000074EAB000-memory.dmp

Filesize
1.5MB

Download
memory/1048-2-0x00007FFC8C8B0000-0x00007FFC8CAA5000-memory.dmp

Filesize
2.0MB

Download
memory/1048-3-0x0000000074D42000-0x0000000074D44000-memory.dmp

Filesize
8KB

Download
memory/1048-4-0x0000000074D30000-0x0000000074EAB000-memory.dmp

Filesize
1.5MB

Download
memory/1048-5-0x0000000074D30000-0x0000000074EAB000-memory.dmp

Filesize
1.5MB

Download
memory/2388-11-0x0000000074D30000-0x0000000074EAB000-memory.dmp

Filesize
1.5MB

Download
memory/2388-10-0x0000000074D30000-0x0000000074EAB000-memory.dmp

Filesize
1.5MB

Download
memory/2388-13-0x0000000074D30000-0x0000000074EAB000-memory.dmp

Filesize
1.5MB

Download
memory/2388-9-0x00007FFC8C8B0000-0x00007FFC8CAA5000-memory.dmp

Filesize
2.0MB

Download
memory/2388-7-0x0000000074D30000-0x0000000074EAB000-memory.dmp

Filesize
1.5MB

Download
memory/4316-14-0x0000000000540000-0x000000000077C000-memory.dmp

Filesize
2.2MB

Download
memory/4316-15-0x00007FFC8C8B0000-0x00007FFC8CAA5000-memory.dmp

Filesize
2.0MB

Download
memory/4316-16-0x0000000000540000-0x000000000077C000-memory.dmp

Filesize
2.2MB

Download
memory/4316-18-0x0000000000943000-0x000000000094B000-memory.dmp

Filesize
32KB

Download
memory/4316-19-0x0000000000860000-0x0000000000C93000-memory.dmp

Filesize
4.2MB

Download
memory/4316-20-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4316-68-0x0000000000540000-0x000000000077C000-memory.dmp

Filesize
2.2MB

Download
memory/4316-87-0x0000000000540000-0x000000000077C000-memory.dmp

Filesize
2.2MB

Download

Analysis

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