hijackloader | d72e2b176358299b9d09c11b3d654e575777d96beac99e9c1ccebe5ab2523c24

General

Target

98BC892EA45510099A0B91646A3A0A4E.exe
Size

1.3MB
MD5

98bc892ea45510099a0b91646a3a0a4e
SHA1

75b11dc9b520e53ef6ec9009afdf8e41fdaa0e09
SHA256

d72e2b176358299b9d09c11b3d654e575777d96beac99e9c1ccebe5ab2523c24
SHA512

a43683bfc093803859175115af427babfc8e7a35d3a9da24ff0aca54161b34f43cc4c566d06b3169c304532dbeb67ee6f366d0fa62b01f08f82b67f8cd1c4dec
SSDEEP

24576:xtneZf0GdlLQXjOrBcDQmTNpuTg+uKlGp0B0WbCWyOVyOckiAhUcMkiAhUcXuUP:xtexLQTOmDlNpEhB0crVriKUXKUXUP

Score

10^/10

hijackloader stealc cozy7 loader spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

cozy7

C2

http://89.105.198.134

Attributes

url_path
/244cbe83570df263.php

Signatures

Detects HijackLoader (aka IDAT Loader) 1 IoCs

resource	yara_rule
behavioral1/memory/2184-0-0x0000000000400000-0x0000000000559000-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
2684	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
2748	explorer.exe
2748	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 2184 set thread context of 2684	2184	98BC892EA45510099A0B91646A3A0A4E.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
596	timeout.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2184	98BC892EA45510099A0B91646A3A0A4E.exe
2184	98BC892EA45510099A0B91646A3A0A4E.exe
2684	cmd.exe
2684	cmd.exe
2748	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2184	98BC892EA45510099A0B91646A3A0A4E.exe
2684	cmd.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 2684	2184	98BC892EA45510099A0B91646A3A0A4E.exe	28
PID 2184 wrote to memory of 2684	2184	98BC892EA45510099A0B91646A3A0A4E.exe	28
PID 2184 wrote to memory of 2684	2184	98BC892EA45510099A0B91646A3A0A4E.exe	28
PID 2184 wrote to memory of 2684	2184	98BC892EA45510099A0B91646A3A0A4E.exe	28
PID 2184 wrote to memory of 2684	2184	98BC892EA45510099A0B91646A3A0A4E.exe	28
PID 2684 wrote to memory of 2748	2684	cmd.exe	30
PID 2684 wrote to memory of 2748	2684	cmd.exe	30
PID 2684 wrote to memory of 2748	2684	cmd.exe	30
PID 2684 wrote to memory of 2748	2684	cmd.exe	30
PID 2684 wrote to memory of 2748	2684	cmd.exe	30
PID 2748 wrote to memory of 2356	2748	explorer.exe	35
PID 2748 wrote to memory of 2356	2748	explorer.exe	35
PID 2748 wrote to memory of 2356	2748	explorer.exe	35
PID 2748 wrote to memory of 2356	2748	explorer.exe	35
PID 2356 wrote to memory of 596	2356	cmd.exe	37
PID 2356 wrote to memory of 596	2356	cmd.exe	37
PID 2356 wrote to memory of 596	2356	cmd.exe	37
PID 2356 wrote to memory of 596	2356	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\98BC892EA45510099A0B91646A3A0A4E.exe
"C:\Users\Admin\AppData\Local\Temp\98BC892EA45510099A0B91646A3A0A4E.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\SysWOW64\cmd.exe
  2⤵
  - Deletes itself
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2684
- - 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:2748
  - - 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:2356
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 5
        5⤵
        Delays execution with timeout.exe
        
        PID:596

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\1d109979

Filesize
860KB

MD5
0861efb74f73b8e4918a35369c6230ed

SHA1
aa8c2052e0644f0af7332fee180d72e2756edc54

SHA256
0b66394b28d103f6dd4b4f7db17e2535821edf5eca9fc1239390e2d33cdf879c

SHA512
f717bbd3f0fd0930f51d9fabe492f12a53f0b409c2e028d1cf89aff338c896e751f4e9cebc79c42f334b2d2c612a8797b04682ed27a472bd51b85c1d19a13fda

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/2184-0-0x0000000000400000-0x0000000000559000-memory.dmp

Filesize
1.3MB

Download
memory/2184-1-0x0000000074760000-0x00000000748D4000-memory.dmp

Filesize
1.5MB

Download
memory/2184-2-0x0000000077200000-0x00000000773A9000-memory.dmp

Filesize
1.7MB

Download
memory/2184-4-0x0000000074760000-0x00000000748D4000-memory.dmp

Filesize
1.5MB

Download
memory/2184-3-0x0000000074772000-0x0000000074774000-memory.dmp

Filesize
8KB

Download
memory/2184-7-0x0000000074760000-0x00000000748D4000-memory.dmp

Filesize
1.5MB

Download
memory/2684-12-0x0000000074760000-0x00000000748D4000-memory.dmp

Filesize
1.5MB

Download
memory/2684-11-0x0000000074760000-0x00000000748D4000-memory.dmp

Filesize
1.5MB

Download
memory/2684-14-0x0000000074760000-0x00000000748D4000-memory.dmp

Filesize
1.5MB

Download
memory/2684-10-0x0000000077200000-0x00000000773A9000-memory.dmp

Filesize
1.7MB

Download
memory/2684-8-0x0000000074760000-0x00000000748D4000-memory.dmp

Filesize
1.5MB

Download
memory/2748-15-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2748-16-0x0000000077200000-0x00000000773A9000-memory.dmp

Filesize
1.7MB

Download
memory/2748-17-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2748-20-0x0000000000650000-0x00000000008D1000-memory.dmp

Filesize
2.5MB

Download
memory/2748-19-0x0000000000680000-0x0000000000688000-memory.dmp

Filesize
32KB

Download
memory/2748-21-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2748-50-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/2748-79-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download

Analysis

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