hijackloader | 2895f26ebeb8334731591ac868e9ab554a3568632e3c62e802739e5d0fc38d88

General

Target

807675A50EE7545E02DAEAC9822842B7.exe
Size

922KB
MD5

807675a50ee7545e02daeac9822842b7
SHA1

967094e1ef9155a031687396ba99855e54870612
SHA256

2895f26ebeb8334731591ac868e9ab554a3568632e3c62e802739e5d0fc38d88
SHA512

12a928dc23e7fd03996e5d41d8fce1d091b0fa979d379e63e6e89d58440f8a21a809a646e1c6431eda68d71515e1aed06219c4f3d8c0c86e25724b1d6e5af5b4
SSDEEP

24576:e8inPEBCZN5hoVlnJXzJ/SEVSoMAALia4:Dg5BuxF/SRF4

Score

10^/10

hijackloader stealc loader stealer

Malware Config

Extracted

Family

stealc

C2

http://193.163.7.88

Attributes

url_path
/a69d09b357e06b52.php

Signatures

Detects HijackLoader (aka IDAT Loader) 1 IoCs

resource	yara_rule
behavioral2/memory/4636-0-0x00000000002E0000-0x00000000003C8000-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
884	cmd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4636 set thread context of 884	4636	807675A50EE7545E02DAEAC9822842B7.exe	85

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
1104	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4636	807675A50EE7545E02DAEAC9822842B7.exe
4636	807675A50EE7545E02DAEAC9822842B7.exe
884	cmd.exe
884	cmd.exe
3492	explorer.exe
3492	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4636	807675A50EE7545E02DAEAC9822842B7.exe
884	cmd.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4636 wrote to memory of 884	4636	807675A50EE7545E02DAEAC9822842B7.exe	85
PID 4636 wrote to memory of 884	4636	807675A50EE7545E02DAEAC9822842B7.exe	85
PID 4636 wrote to memory of 884	4636	807675A50EE7545E02DAEAC9822842B7.exe	85
PID 4636 wrote to memory of 884	4636	807675A50EE7545E02DAEAC9822842B7.exe	85
PID 884 wrote to memory of 3492	884	cmd.exe	99
PID 884 wrote to memory of 3492	884	cmd.exe	99
PID 884 wrote to memory of 3492	884	cmd.exe	99
PID 884 wrote to memory of 3492	884	cmd.exe	99
PID 3492 wrote to memory of 1260	3492	explorer.exe	102
PID 3492 wrote to memory of 1260	3492	explorer.exe	102
PID 3492 wrote to memory of 1260	3492	explorer.exe	102
PID 1260 wrote to memory of 1104	1260	cmd.exe	104
PID 1260 wrote to memory of 1104	1260	cmd.exe	104
PID 1260 wrote to memory of 1104	1260	cmd.exe	104

C:\Users\Admin\AppData\Local\Temp\807675A50EE7545E02DAEAC9822842B7.exe
"C:\Users\Admin\AppData\Local\Temp\807675A50EE7545E02DAEAC9822842B7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4636
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\SysWOW64\cmd.exe
  2⤵
  - Deletes itself
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:884
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3492
  - - 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⤵
      Suspicious use of WriteProcessMemory
      PID:1260
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 5
        5⤵
        Delays execution with timeout.exe
        
        PID:1104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\95f5de1a

Filesize
861KB

MD5
0a0544e78bf302abd28cc136200a2fbc

SHA1
b39295e16e852c0360a4af4bf9c181f9d3e1267a

SHA256
669e28f238db743a92ae24c4e5046fc1cb356cd389cf849ed86669ac6779a059

SHA512
60627e684d089c2607e73b102b25adedcc1f364ce76bcf9599348aa3e5f0e376b8791f7c64046ae0c742dd292e7b711bcffc0fb93ad94aea627ef8382947faa1

Download Submit
memory/884-12-0x0000000074FD0000-0x000000007514B000-memory.dmp

Filesize
1.5MB

Download
memory/884-10-0x0000000074FD0000-0x000000007514B000-memory.dmp

Filesize
1.5MB

Download
memory/884-9-0x0000000074FD0000-0x000000007514B000-memory.dmp

Filesize
1.5MB

Download
memory/884-8-0x00007FFA9FFB0000-0x00007FFAA01A5000-memory.dmp

Filesize
2.0MB

Download
memory/884-6-0x0000000074FD0000-0x000000007514B000-memory.dmp

Filesize
1.5MB

Download
memory/3492-14-0x00007FFA9FFB0000-0x00007FFAA01A5000-memory.dmp

Filesize
2.0MB

Download
memory/3492-13-0x0000000000C10000-0x0000000000E4C000-memory.dmp

Filesize
2.2MB

Download
memory/3492-15-0x0000000000C10000-0x0000000000E4C000-memory.dmp

Filesize
2.2MB

Download
memory/3492-18-0x0000000000EE0000-0x0000000001313000-memory.dmp

Filesize
4.2MB

Download
memory/3492-19-0x0000000000C10000-0x0000000000E4C000-memory.dmp

Filesize
2.2MB

Download
memory/3492-20-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3492-39-0x0000000000C10000-0x0000000000E4C000-memory.dmp

Filesize
2.2MB

Download
memory/4636-4-0x0000000074FD0000-0x000000007514B000-memory.dmp

Filesize
1.5MB

Download
memory/4636-3-0x0000000074FD0000-0x000000007514B000-memory.dmp

Filesize
1.5MB

Download
memory/4636-2-0x00007FFA9FFB0000-0x00007FFAA01A5000-memory.dmp

Filesize
2.0MB

Download
memory/4636-1-0x0000000074FD0000-0x000000007514B000-memory.dmp

Filesize
1.5MB

Download
memory/4636-0-0x00000000002E0000-0x00000000003C8000-memory.dmp

Filesize
928KB

Download

Analysis

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