njrat | 87e1732dae8a72a8ab46360f9db9e38ceeeab05fa1492d507a346ad32a092960

Analysis

max time kernel
53s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2022 01:57

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General

Target

87e1732dae8a72a8ab46360f9db9e38ceeeab05fa1492d507a346ad32a092960.exe
Size

108KB
MD5

6c1ee36aacf5079d4d537ebd2fc5f148
SHA1

5325df501e2bccd44c262445e8015ea6dd9de647
SHA256

87e1732dae8a72a8ab46360f9db9e38ceeeab05fa1492d507a346ad32a092960
SHA512

1d0386f239beae85e850fd7adeccf6bf709ae3647aeaa0dcfc8cd00d2d6464eaa3a029c1451cc9b29f2e1acfcee8415f18c287bf3e84d7f366872a2c8436f8d4
SSDEEP

1536:WbnRoHJT3p+KADy00wJk2/uJOo/Yl2v0Som2hsDQwBTyYqjPvZO4w4:WbRopDpuz/ucoglG+fSDPQYqjPQ4w4

Score

10^/10

njrat hacked trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

funkymalware.zapto.org:1177

Mutex

468488565f27c01a98cb0ac6112a97d0

Attributes

reg_key
468488565f27c01a98cb0ac6112a97d0
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

Processes:

87e1732dae8a72a8ab46360f9db9e38ceeeab05fa1492d507a346ad32a092960.exe

description	pid	process	target process
PID 3172 set thread context of 5028	3172	87e1732dae8a72a8ab46360f9db9e38ceeeab05fa1492d507a346ad32a092960.exe	vbc.exe

Drops file in Windows directory 1 IoCs

Processes:

dw20.exe

description ioc process

File created C:\Windows\AppCompat\Programs\Amcache.hve.tmp dw20.exe

description	ioc	process
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	dw20.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

dw20.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

dw20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

dw20.exe

description	pid	process
Token: SeRestorePrivilege	4632	dw20.exe
Token: SeBackupPrivilege	4632	dw20.exe
Token: SeBackupPrivilege	4632	dw20.exe
Token: SeBackupPrivilege	4632	dw20.exe
Token: SeBackupPrivilege	4632	dw20.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

87e1732dae8a72a8ab46360f9db9e38ceeeab05fa1492d507a346ad32a092960.exevbc.exe

description	pid	process	target process
PID 3172 wrote to memory of 5028	3172	87e1732dae8a72a8ab46360f9db9e38ceeeab05fa1492d507a346ad32a092960.exe	vbc.exe
PID 3172 wrote to memory of 5028	3172	87e1732dae8a72a8ab46360f9db9e38ceeeab05fa1492d507a346ad32a092960.exe	vbc.exe
PID 3172 wrote to memory of 5028	3172	87e1732dae8a72a8ab46360f9db9e38ceeeab05fa1492d507a346ad32a092960.exe	vbc.exe
PID 3172 wrote to memory of 5028	3172	87e1732dae8a72a8ab46360f9db9e38ceeeab05fa1492d507a346ad32a092960.exe	vbc.exe
PID 3172 wrote to memory of 5028	3172	87e1732dae8a72a8ab46360f9db9e38ceeeab05fa1492d507a346ad32a092960.exe	vbc.exe
PID 3172 wrote to memory of 5028	3172	87e1732dae8a72a8ab46360f9db9e38ceeeab05fa1492d507a346ad32a092960.exe	vbc.exe
PID 3172 wrote to memory of 5028	3172	87e1732dae8a72a8ab46360f9db9e38ceeeab05fa1492d507a346ad32a092960.exe	vbc.exe
PID 3172 wrote to memory of 5028	3172	87e1732dae8a72a8ab46360f9db9e38ceeeab05fa1492d507a346ad32a092960.exe	vbc.exe
PID 5028 wrote to memory of 4632	5028	vbc.exe	dw20.exe
PID 5028 wrote to memory of 4632	5028	vbc.exe	dw20.exe
PID 5028 wrote to memory of 4632	5028	vbc.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\87e1732dae8a72a8ab46360f9db9e38ceeeab05fa1492d507a346ad32a092960.exe
"C:\Users\Admin\AppData\Local\Temp\87e1732dae8a72a8ab46360f9db9e38ceeeab05fa1492d507a346ad32a092960.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5028
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 788
    3⤵
    - Drops file in Windows directory
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:4632

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3172-132-0x0000000074900000-0x0000000074EB1000-memory.dmp

Filesize
5.7MB

Download
memory/3172-136-0x0000000074900000-0x0000000074EB1000-memory.dmp

Filesize
5.7MB

Download
memory/4632-135-0x0000000000000000-mapping.dmp

Download
memory/5028-133-0x0000000000000000-mapping.dmp

Download
memory/5028-134-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/5028-137-0x0000000074900000-0x0000000074EB1000-memory.dmp

Filesize
5.7MB

Download
memory/5028-138-0x0000000074900000-0x0000000074EB1000-memory.dmp

Filesize
5.7MB

Download