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/2972-0-0x0000000000400000-0x0000000000559000-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
852	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
1036	explorer.exe
1036	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 2972 set thread context of 852	2972	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
1468	timeout.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2972	98BC892EA45510099A0B91646A3A0A4E.exe
2972	98BC892EA45510099A0B91646A3A0A4E.exe
852	cmd.exe
852	cmd.exe
1036	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2972	98BC892EA45510099A0B91646A3A0A4E.exe
852	cmd.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 852	2972	98BC892EA45510099A0B91646A3A0A4E.exe	28
PID 2972 wrote to memory of 852	2972	98BC892EA45510099A0B91646A3A0A4E.exe	28
PID 2972 wrote to memory of 852	2972	98BC892EA45510099A0B91646A3A0A4E.exe	28
PID 2972 wrote to memory of 852	2972	98BC892EA45510099A0B91646A3A0A4E.exe	28
PID 2972 wrote to memory of 852	2972	98BC892EA45510099A0B91646A3A0A4E.exe	28
PID 852 wrote to memory of 1036	852	cmd.exe	30
PID 852 wrote to memory of 1036	852	cmd.exe	30
PID 852 wrote to memory of 1036	852	cmd.exe	30
PID 852 wrote to memory of 1036	852	cmd.exe	30
PID 852 wrote to memory of 1036	852	cmd.exe	30
PID 1036 wrote to memory of 1500	1036	explorer.exe	35
PID 1036 wrote to memory of 1500	1036	explorer.exe	35
PID 1036 wrote to memory of 1500	1036	explorer.exe	35
PID 1036 wrote to memory of 1500	1036	explorer.exe	35
PID 1500 wrote to memory of 1468	1500	cmd.exe	37
PID 1500 wrote to memory of 1468	1500	cmd.exe	37
PID 1500 wrote to memory of 1468	1500	cmd.exe	37
PID 1500 wrote to memory of 1468	1500	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:2972
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\SysWOW64\cmd.exe
  2⤵
  - Deletes itself
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:852
- - 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:1036
  - - 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:1500
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 5
        5⤵
        Delays execution with timeout.exe
        
        PID:1468

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\938a71d1

Filesize
860KB

MD5
aa2b64adf18f602cde4bc74f06a5f914

SHA1
928c90f4496ee76a8672967c1197d0ff81d67072

SHA256
45a230eb17bbbf7358a1e4ba0041edb1729675be0d8c38e4ef05a5fccf935aa8

SHA512
81f8ddfaf16b1e86415682dce7a3f22229590e5d5f3c1433dc423cc1c69c422610a260e41d859666ed5fce0ef308d8eb1b1dff62565c6a6e475c9628ca4c0c74

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/852-9-0x00000000775A0000-0x0000000077749000-memory.dmp

Filesize
1.7MB

Download
memory/852-13-0x0000000074BA0000-0x0000000074D14000-memory.dmp

Filesize
1.5MB

Download
memory/852-11-0x0000000074BA0000-0x0000000074D14000-memory.dmp

Filesize
1.5MB

Download
memory/852-10-0x0000000074BA0000-0x0000000074D14000-memory.dmp

Filesize
1.5MB

Download
memory/852-7-0x0000000074BA0000-0x0000000074D14000-memory.dmp

Filesize
1.5MB

Download
memory/1036-19-0x00000000001E0000-0x00000000001E8000-memory.dmp

Filesize
32KB

Download
memory/1036-22-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/1036-79-0x0000000000530000-0x000000000076C000-memory.dmp

Filesize
2.2MB

Download
memory/1036-21-0x0000000000530000-0x000000000076C000-memory.dmp

Filesize
2.2MB

Download
memory/1036-14-0x0000000000530000-0x000000000076C000-memory.dmp

Filesize
2.2MB

Download
memory/1036-15-0x00000000775A0000-0x0000000077749000-memory.dmp

Filesize
1.7MB

Download
memory/1036-16-0x0000000000530000-0x000000000076C000-memory.dmp

Filesize
2.2MB

Download
memory/1036-20-0x00000000001B0000-0x0000000000431000-memory.dmp

Filesize
2.5MB

Download
memory/2972-0-0x0000000000400000-0x0000000000559000-memory.dmp

Filesize
1.3MB

Download
memory/2972-3-0x0000000074BB2000-0x0000000074BB4000-memory.dmp

Filesize
8KB

Download
memory/2972-5-0x0000000074BA0000-0x0000000074D14000-memory.dmp

Filesize
1.5MB

Download
memory/2972-2-0x00000000775A0000-0x0000000077749000-memory.dmp

Filesize
1.7MB

Download
memory/2972-1-0x0000000074BA0000-0x0000000074D14000-memory.dmp

Filesize
1.5MB

Download
memory/2972-4-0x0000000074BA0000-0x0000000074D14000-memory.dmp

Filesize
1.5MB

Download

Analysis

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