hijackloader | b4fed30b7d5c533ae1a553607630badbdc10aeacb612ff996e919d014bc2313c

General

Target

f675e62581b09ecb840416233c8460bc.exe
Size

8.2MB
MD5

f675e62581b09ecb840416233c8460bc
SHA1

b7a42ed4a3f13d13905d910f02147d8bdc040b2b
SHA256

b4fed30b7d5c533ae1a553607630badbdc10aeacb612ff996e919d014bc2313c
SHA512

3bebe82737757c606356cab8877aa7ece5304f7eebbff1695bc4f20502e981d9ce4551ad3492f7c5580bd06d94cd63cd70a8706d24e73ae52e55e38f0f9b9a8a
SSDEEP

196608:ZEI9eJx7jQ/b7NuD4VuRS79tcM6vJKjJQQcrgUEr0NFMx3BWhp6D:ZEI9eXQ/b7NuD4VuRS79tczvJJQcrPEL

Score

10^/10

hijackloader stealc benjiworld9 credential_access discovery loader spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

benjiworld9

C2

http://5.188.86.71

Attributes

url_path
/05feb00efef399f8.php

Signatures

Detects HijackLoader (aka IDAT Loader) 3 IoCs

resource	yara_rule
behavioral1/memory/1120-3-0x0000000000400000-0x0000000000C48000-memory.dmp	family_hijackloader
behavioral1/memory/1120-2-0x0000000000400000-0x0000000000C48000-memory.dmp	family_hijackloader
behavioral1/memory/1120-6-0x0000000000400000-0x0000000000C48000-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
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Downloads MZ/PE file

Deletes itself 1 IoCs

pid	Process
2584	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
2388	explorer.exe
2388	explorer.exe

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
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 1120 set thread context of 2584	1120	f675e62581b09ecb840416233c8460bc.exe	28

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f675e62581b09ecb840416233c8460bc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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

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

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1120	f675e62581b09ecb840416233c8460bc.exe
1120	f675e62581b09ecb840416233c8460bc.exe
1120	f675e62581b09ecb840416233c8460bc.exe
1120	f675e62581b09ecb840416233c8460bc.exe
2584	cmd.exe
2584	cmd.exe
2388	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1120	f675e62581b09ecb840416233c8460bc.exe
2584	cmd.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 2584	1120	f675e62581b09ecb840416233c8460bc.exe	28
PID 1120 wrote to memory of 2584	1120	f675e62581b09ecb840416233c8460bc.exe	28
PID 1120 wrote to memory of 2584	1120	f675e62581b09ecb840416233c8460bc.exe	28
PID 1120 wrote to memory of 2584	1120	f675e62581b09ecb840416233c8460bc.exe	28
PID 1120 wrote to memory of 2584	1120	f675e62581b09ecb840416233c8460bc.exe	28
PID 2584 wrote to memory of 2388	2584	cmd.exe	30
PID 2584 wrote to memory of 2388	2584	cmd.exe	30
PID 2584 wrote to memory of 2388	2584	cmd.exe	30
PID 2584 wrote to memory of 2388	2584	cmd.exe	30
PID 2584 wrote to memory of 2388	2584	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\f675e62581b09ecb840416233c8460bc.exe
"C:\Users\Admin\AppData\Local\Temp\f675e62581b09ecb840416233c8460bc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\SysWOW64\cmd.exe
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2584
- - C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:2388

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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\f1edbb55

Filesize
909KB

MD5
964934f3780d599ce9a6d46a9917fff9

SHA1
a05aac626f5e2e71ec458d5f6b78268d00819446

SHA256
e5787087c85ee09aec2aba378c3b2ccb9128abce92e4c736c4c605401b474e48

SHA512
072212bc70b098581e02a3897c23d4e4ed5b75dc93735d7222e03bff2024f42062404bb35a672720d4062e26d24dc231033947ad8c827d28d34071f1642d3d19

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/1120-0-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1120-1-0x000000000040B000-0x000000000040C000-memory.dmp

Filesize
4KB

Download
memory/1120-3-0x0000000000400000-0x0000000000C48000-memory.dmp

Filesize
8.3MB

Download
memory/1120-2-0x0000000000400000-0x0000000000C48000-memory.dmp

Filesize
8.3MB

Download
memory/1120-4-0x0000000074650000-0x00000000747C4000-memory.dmp

Filesize
1.5MB

Download
memory/1120-5-0x0000000077530000-0x00000000776D9000-memory.dmp

Filesize
1.7MB

Download
memory/1120-6-0x0000000000400000-0x0000000000C48000-memory.dmp

Filesize
8.3MB

Download
memory/1120-7-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1120-9-0x0000000074650000-0x00000000747C4000-memory.dmp

Filesize
1.5MB

Download
memory/2388-24-0x0000000000470000-0x0000000000478000-memory.dmp

Filesize
32KB

Download
memory/2388-25-0x0000000000440000-0x00000000006C1000-memory.dmp

Filesize
2.5MB

Download
memory/2388-87-0x0000000000110000-0x0000000000355000-memory.dmp

Filesize
2.3MB

Download
memory/2388-19-0x0000000000110000-0x0000000000355000-memory.dmp

Filesize
2.3MB

Download
memory/2388-20-0x0000000077530000-0x00000000776D9000-memory.dmp

Filesize
1.7MB

Download
memory/2388-21-0x0000000000110000-0x0000000000355000-memory.dmp

Filesize
2.3MB

Download
memory/2388-64-0x0000000000110000-0x0000000000355000-memory.dmp

Filesize
2.3MB

Download
memory/2388-27-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2584-16-0x0000000074650000-0x00000000747C4000-memory.dmp

Filesize
1.5MB

Download
memory/2584-15-0x0000000074650000-0x00000000747C4000-memory.dmp

Filesize
1.5MB

Download
memory/2584-14-0x0000000077530000-0x00000000776D9000-memory.dmp

Filesize
1.7MB

Download
memory/2584-13-0x0000000074651000-0x000000007465F000-memory.dmp

Filesize
56KB

Download
memory/2584-18-0x0000000074650000-0x00000000747C4000-memory.dmp

Filesize
1.5MB

Download
memory/2584-88-0x0000000074651000-0x000000007465F000-memory.dmp

Filesize
56KB

Download

Analysis

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