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
behavioral2/memory/3244-0-0x0000000000710000-0x0000000000869000-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
2196	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
3252	explorer.exe
3252	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 3244 set thread context of 2196	3244	98BC892EA45510099A0B91646A3A0A4E.exe	82

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
2312	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3244	98BC892EA45510099A0B91646A3A0A4E.exe
3244	98BC892EA45510099A0B91646A3A0A4E.exe
2196	cmd.exe
2196	cmd.exe
3252	explorer.exe
3252	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3244	98BC892EA45510099A0B91646A3A0A4E.exe
2196	cmd.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3244 wrote to memory of 2196	3244	98BC892EA45510099A0B91646A3A0A4E.exe	82
PID 3244 wrote to memory of 2196	3244	98BC892EA45510099A0B91646A3A0A4E.exe	82
PID 3244 wrote to memory of 2196	3244	98BC892EA45510099A0B91646A3A0A4E.exe	82
PID 3244 wrote to memory of 2196	3244	98BC892EA45510099A0B91646A3A0A4E.exe	82
PID 2196 wrote to memory of 3252	2196	cmd.exe	94
PID 2196 wrote to memory of 3252	2196	cmd.exe	94
PID 2196 wrote to memory of 3252	2196	cmd.exe	94
PID 2196 wrote to memory of 3252	2196	cmd.exe	94
PID 3252 wrote to memory of 3356	3252	explorer.exe	97
PID 3252 wrote to memory of 3356	3252	explorer.exe	97
PID 3252 wrote to memory of 3356	3252	explorer.exe	97
PID 3356 wrote to memory of 2312	3356	cmd.exe	99
PID 3356 wrote to memory of 2312	3356	cmd.exe	99
PID 3356 wrote to memory of 2312	3356	cmd.exe	99

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:3244
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\SysWOW64\cmd.exe
  2⤵
  - Deletes itself
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2196
- - 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:3252
  - - 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:3356
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 5
        5⤵
        Delays execution with timeout.exe
        
        PID:2312

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\9f49c39d

Filesize
860KB

MD5
9e8e657cafd8debbb847843e8e4f88e9

SHA1
adf53662019b70cece0d42af48cdc5ff427fa02b

SHA256
914e0d2fdc28f9c3d8b6000ee0a4128abd10757a807313787758484318ad90ef

SHA512
5b7987b17a7a4378d12b0ac736d7efa092c968ecac293843d20bbae0437e38cfd35a0d5bce358a3754dd2323af047e0d957dbec6064cde50c17eec6b8677ee4f

Download Submit
memory/2196-9-0x00007FFF192F0000-0x00007FFF194E5000-memory.dmp

Filesize
2.0MB

Download
memory/2196-13-0x0000000075440000-0x00000000755BB000-memory.dmp

Filesize
1.5MB

Download
memory/2196-11-0x0000000075440000-0x00000000755BB000-memory.dmp

Filesize
1.5MB

Download
memory/2196-10-0x0000000075440000-0x00000000755BB000-memory.dmp

Filesize
1.5MB

Download
memory/2196-7-0x0000000075440000-0x00000000755BB000-memory.dmp

Filesize
1.5MB

Download
memory/3244-5-0x0000000075440000-0x00000000755BB000-memory.dmp

Filesize
1.5MB

Download
memory/3244-0-0x0000000000710000-0x0000000000869000-memory.dmp

Filesize
1.3MB

Download
memory/3244-4-0x0000000075440000-0x00000000755BB000-memory.dmp

Filesize
1.5MB

Download
memory/3244-3-0x0000000075452000-0x0000000075454000-memory.dmp

Filesize
8KB

Download
memory/3244-1-0x0000000075440000-0x00000000755BB000-memory.dmp

Filesize
1.5MB

Download
memory/3244-2-0x00007FFF192F0000-0x00007FFF194E5000-memory.dmp

Filesize
2.0MB

Download
memory/3252-19-0x0000000000503000-0x000000000050B000-memory.dmp

Filesize
32KB

Download
memory/3252-16-0x0000000000C00000-0x0000000000E3C000-memory.dmp

Filesize
2.2MB

Download
memory/3252-20-0x0000000000420000-0x0000000000853000-memory.dmp

Filesize
4.2MB

Download
memory/3252-21-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3252-69-0x0000000000C00000-0x0000000000E3C000-memory.dmp

Filesize
2.2MB

Download
memory/3252-15-0x00007FFF192F0000-0x00007FFF194E5000-memory.dmp

Filesize
2.0MB

Download
memory/3252-14-0x0000000000C00000-0x0000000000E3C000-memory.dmp

Filesize
2.2MB

Download
memory/3252-89-0x0000000000C00000-0x0000000000E3C000-memory.dmp

Filesize
2.2MB

Download

Analysis

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