hijackloader | 972581c7a8ab22bea81a7a36297b45c5e1c0ee3321fbe4ec34df4bd8edd42654

General

Target

snss1.bin.exe
Size

1.4MB
MD5

a9028986ba7f28ed266357a8e9433b2c
SHA1

d2a748f321863c02301575e9404b704f868b2cd6
SHA256

972581c7a8ab22bea81a7a36297b45c5e1c0ee3321fbe4ec34df4bd8edd42654
SHA512

959691e5ecf2c4bb97b27e9fac7aa5997d32ad54fb214254b0b7d66cbe6bd2521258a408e59b771eaf4b2a0e40f9ab4c833c866d0eea323d4f5c82f246168429
SSDEEP

24576:jObekFskfohrP337uzHnA6cHswHEnq6gUT5C7TbFwO16HVOQaZiHfnB6n5wldRcT:jO63lrP337uzHnA6cMcVm8TyO161GZiC

Score

10^/10

hijackloader stealc vor2 credential_access discovery loader spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

vor2

C2

http://45.152.112.103

Attributes

url_path
/1cf3aa1810feeb67.php

Signatures

Detects HijackLoader (aka IDAT Loader) 1 IoCs

resource	yara_rule
behavioral2/memory/3880-0-0x0000000000400000-0x0000000000566000-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
4440	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
4884	explorer.exe
4884	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 3880 set thread context of 4440	3880	snss1.bin.exe	86

System Location Discovery: System Language Discovery 1 TTPs 5 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	snss1.bin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3468	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3880	snss1.bin.exe
3880	snss1.bin.exe
4440	cmd.exe
4440	cmd.exe
4884	explorer.exe
4884	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3880	snss1.bin.exe
4440	cmd.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3880 wrote to memory of 4440	3880	snss1.bin.exe	86
PID 3880 wrote to memory of 4440	3880	snss1.bin.exe	86
PID 3880 wrote to memory of 4440	3880	snss1.bin.exe	86
PID 3880 wrote to memory of 4440	3880	snss1.bin.exe	86
PID 4440 wrote to memory of 4884	4440	cmd.exe	88
PID 4440 wrote to memory of 4884	4440	cmd.exe	88
PID 4440 wrote to memory of 4884	4440	cmd.exe	88
PID 4440 wrote to memory of 4884	4440	cmd.exe	88
PID 4884 wrote to memory of 5024	4884	explorer.exe	92
PID 4884 wrote to memory of 5024	4884	explorer.exe	92
PID 4884 wrote to memory of 5024	4884	explorer.exe	92
PID 5024 wrote to memory of 3468	5024	cmd.exe	94
PID 5024 wrote to memory of 3468	5024	cmd.exe	94
PID 5024 wrote to memory of 3468	5024	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\snss1.bin.exe
"C:\Users\Admin\AppData\Local\Temp\snss1.bin.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3880
- 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:4440
- - 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
    - Suspicious use of WriteProcessMemory
    PID:4884
  - - 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⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:5024
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 5
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:3468

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

1

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:\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\4ba7fffe

Filesize
907KB

MD5
4515b9806e2724beb8b7caa9f62fafd6

SHA1
af94d0a4a06c00c875b83f707263763d99b696fe

SHA256
a2ff9c4a7d2359fbc3493c41c30fa7d45141a6cdf0d7c461f32cd01065c37789

SHA512
2cd25bd9c824f0d7a20d70e8ef51592a9131f54b1e12f6f7ce6610a01945c1d2c874315cd265e255c92566d1c7018e535831d246b05cfa2e9d4eaba4482d886c

Download Submit
memory/3880-1-0x00000000022F0000-0x00000000022F1000-memory.dmp

Filesize
4KB

Download
memory/3880-0-0x0000000000400000-0x0000000000566000-memory.dmp

Filesize
1.4MB

Download
memory/3880-2-0x0000000074870000-0x00000000749EB000-memory.dmp

Filesize
1.5MB

Download
memory/3880-3-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

Filesize
2.0MB

Download
memory/3880-4-0x0000000074883000-0x0000000074885000-memory.dmp

Filesize
8KB

Download
memory/3880-5-0x0000000074870000-0x00000000749EB000-memory.dmp

Filesize
1.5MB

Download
memory/3880-6-0x0000000074870000-0x00000000749EB000-memory.dmp

Filesize
1.5MB

Download
memory/4440-12-0x0000000074870000-0x00000000749EB000-memory.dmp

Filesize
1.5MB

Download
memory/4440-13-0x0000000074870000-0x00000000749EB000-memory.dmp

Filesize
1.5MB

Download
memory/4440-15-0x0000000074870000-0x00000000749EB000-memory.dmp

Filesize
1.5MB

Download
memory/4440-11-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

Filesize
2.0MB

Download
memory/4440-9-0x0000000074870000-0x00000000749EB000-memory.dmp

Filesize
1.5MB

Download
memory/4884-16-0x0000000001000000-0x0000000001245000-memory.dmp

Filesize
2.3MB

Download
memory/4884-17-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

Filesize
2.0MB

Download
memory/4884-18-0x0000000001000000-0x0000000001245000-memory.dmp

Filesize
2.3MB

Download
memory/4884-21-0x0000000000103000-0x000000000010B000-memory.dmp

Filesize
32KB

Download
memory/4884-22-0x0000000000020000-0x0000000000453000-memory.dmp

Filesize
4.2MB

Download
memory/4884-23-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4884-94-0x0000000001000000-0x0000000001245000-memory.dmp

Filesize
2.3MB

Download

Analysis

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