njrat | 6e93ed4c136f400b61c4e24df60db78ec58b51afb644ab1faffa9a956e4d5e67

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2025 02:13

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General

Target

6e93ed4c136f400b61c4e24df60db78ec58b51afb644ab1faffa9a956e4d5e67.exe
Size

3.2MB
MD5

12e67ca3b7338ca19dc628fa6ebecead
SHA1

a5874df0609b1d62fda0b92cc9764020bebe8718
SHA256

6e93ed4c136f400b61c4e24df60db78ec58b51afb644ab1faffa9a956e4d5e67
SHA512

2e80ec0cdb4ea19943698367140af43baeaabb1731ca072e6a404bfea2a79794b6a5f5bc478635956086dee68c1a62e51b2ff4bc56e43956108b01b6d00a0906
SSDEEP

98304:Zviz/27qWGq/TzuqCDl2Ptao7jCP5uNNh:Zviq75/TzufrwNh

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

0.tcp.ngrok.io:18315

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	CDS.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	crypted.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	system32.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	system32.exe

Executes dropped EXE 3 IoCs

pid	Process
4904	CDS.exe
2584	crypted.exe
2232	system32.exe

Loads dropped DLL 1 IoCs

pid	Process
4904	CDS.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system32.exe\" .."	system32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system32.exe\" .."	system32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	6e93ed4c136f400b61c4e24df60db78ec58b51afb644ab1faffa9a956e4d5e67.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
17	0.tcp.ngrok.io
48	0.tcp.ngrok.io
65	0.tcp.ngrok.io

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 4 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	6e93ed4c136f400b61c4e24df60db78ec58b51afb644ab1faffa9a956e4d5e67.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CDS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	crypted.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4904	CDS.exe
4904	CDS.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2584	crypted.exe
2232	system32.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: 33	4432	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4432	AUDIODG.EXE
Token: SeDebugPrivilege	2232	system32.exe
Token: 33	2232	system32.exe
Token: SeIncBasePriorityPrivilege	2232	system32.exe
Token: 33	2232	system32.exe
Token: SeIncBasePriorityPrivilege	2232	system32.exe
Token: 33	2232	system32.exe
Token: SeIncBasePriorityPrivilege	2232	system32.exe
Token: 33	2232	system32.exe
Token: SeIncBasePriorityPrivilege	2232	system32.exe
Token: 33	2232	system32.exe
Token: SeIncBasePriorityPrivilege	2232	system32.exe
Token: 33	2232	system32.exe
Token: SeIncBasePriorityPrivilege	2232	system32.exe
Token: 33	2232	system32.exe
Token: SeIncBasePriorityPrivilege	2232	system32.exe
Token: 33	2232	system32.exe
Token: SeIncBasePriorityPrivilege	2232	system32.exe
Token: 33	2232	system32.exe
Token: SeIncBasePriorityPrivilege	2232	system32.exe
Token: 33	2232	system32.exe
Token: SeIncBasePriorityPrivilege	2232	system32.exe
Token: 33	2232	system32.exe
Token: SeIncBasePriorityPrivilege	2232	system32.exe
Token: 33	2232	system32.exe
Token: SeIncBasePriorityPrivilege	2232	system32.exe
Token: 33	2232	system32.exe
Token: SeIncBasePriorityPrivilege	2232	system32.exe
Token: 33	2232	system32.exe
Token: SeIncBasePriorityPrivilege	2232	system32.exe
Token: 33	2232	system32.exe
Token: SeIncBasePriorityPrivilege	2232	system32.exe
Token: 33	2232	system32.exe
Token: SeIncBasePriorityPrivilege	2232	system32.exe
Token: 33	2232	system32.exe
Token: SeIncBasePriorityPrivilege	2232	system32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4904	CDS.exe
4904	CDS.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 4904	2792	6e93ed4c136f400b61c4e24df60db78ec58b51afb644ab1faffa9a956e4d5e67.exe	84
PID 2792 wrote to memory of 4904	2792	6e93ed4c136f400b61c4e24df60db78ec58b51afb644ab1faffa9a956e4d5e67.exe	84
PID 2792 wrote to memory of 4904	2792	6e93ed4c136f400b61c4e24df60db78ec58b51afb644ab1faffa9a956e4d5e67.exe	84
PID 4904 wrote to memory of 2584	4904	CDS.exe	86
PID 4904 wrote to memory of 2584	4904	CDS.exe	86
PID 4904 wrote to memory of 2584	4904	CDS.exe	86
PID 2584 wrote to memory of 2232	2584	crypted.exe	88
PID 2584 wrote to memory of 2232	2584	crypted.exe	88
PID 2584 wrote to memory of 2232	2584	crypted.exe	88

C:\Users\Admin\AppData\Local\Temp\6e93ed4c136f400b61c4e24df60db78ec58b51afb644ab1faffa9a956e4d5e67.exe
"C:\Users\Admin\AppData\Local\Temp\6e93ed4c136f400b61c4e24df60db78ec58b51afb644ab1faffa9a956e4d5e67.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4904
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe
    "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of WriteProcessMemory
    PID:2584
  - - C:\Users\Admin\AppData\Local\Temp\system32.exe
      "C:\Users\Admin\AppData\Local\Temp\system32.exe"
      4⤵
      Drops startup file
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      PID:2232

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4f8 0x4ec
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\630_10.png

Filesize
2KB

MD5
340b294efc691d1b20c64175d565ebc7

SHA1
81cb9649bd1c9a62ae79e781818fc24d15c29ce7

SHA256
72566894059452101ea836bbff9ede5069141eeb52022ab55baa24e1666825c9

SHA512
1395a8e175c63a1a1ff459a9dac437156c74299272e020e7e078a087969251a8534f17244a529acbc1b6800a97d4c0abfa3c88f6fcb88423f56dfaae9b49fc3d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.cdd

Filesize
13KB

MD5
3e7ecaeb51c2812d13b07ec852d74aaf

SHA1
e9bdab93596ffb0f7f8c65243c579180939acb26

SHA256
e7e942993864e8b18780ef10a415f7b93924c6378248c52f0c96895735222b96

SHA512
635cd5173b595f1905af9eeea65037601cf8496d519c506b6d082662d438c26a1bfe653eaf6edcb117ccf8767975c37ab0238ca4c77574e2706f9b238a15ad4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe

Filesize
6.1MB

MD5
424bf196deaeb4ddcafb78e137fa560a

SHA1
007738e9486c904a3115daa6e8ba2ee692af58c8

SHA256
0963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2

SHA512
a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c.dat

Filesize
43KB

MD5
ffe192beea64ce52a7f948dfa8ce81af

SHA1
899fb2976600169f5726e210a7e04d9b1a098cb7

SHA256
a8d4e68a2b11991df6d1645c5858348b5974c1b0898badb5fa4ae529f6026371

SHA512
3eae740f44aef8cb9e51aed9e0ad3172e145e859e6da9637262055cfd7b5c07792542e6860a8eb0ce8ba5c82b2560a77cf5db8091af0631b7e64e4160cca84c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe

Filesize
43KB

MD5
7245d19612b7d34490372eadc42bf905

SHA1
d32ae9531d0c824623ad65a1fb3614ad7d0c1268

SHA256
ef9e9e40806d9c2c79bb49114b335342a14696e526f37d0ff693c5483427eb3e

SHA512
ddb97e071440a482427a75372eb7611e7b2002de948f86e5696ebba0b4c00215daedc1d9d60056cd91a82177b51bb1675d9e3ccc8f28a12e4416f62a84b073ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fs.settings

Filesize
5B

MD5
68934a3e9455fa72420237eb05902327

SHA1
7cb6efb98ba5972a9b5090dc2e517fe14d12cb04

SHA256
fcbcf165908dd18a9e49f7ff27810176db8e9f63b4352213741664245224f8aa

SHA512
719fa67eef49c4b2a2b83f0c62bddd88c106aaadb7e21ae057c8802b700e36f81fe3f144812d8b05d66dc663d908b25645e153262cf6d457aa34e684af9e328d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lua5.1.dll

Filesize
322KB

MD5
c3256800dce47c14acc83ccca4c3e2ac

SHA1
9d126818c66991dbc3813a65eddb88bbcf77f30a

SHA256
f26f4f66022acc96d0319c09814ebeda60f4ab96b63b6262045dc786dc7c5866

SHA512
6865a98ad8a6bd02d1ba35a28b36b6306af393f5e9ad767cd6da027bb021f7399d629423f510c44436ac3e4603b6c606493edf8b14d21fabf3eab16d37bd0d25

Download Submit
memory/2232-53-0x0000000005330000-0x000000000533A000-memory.dmp

Filesize
40KB

Download
memory/2584-39-0x0000000000A50000-0x0000000000A62000-memory.dmp

Filesize
72KB

Download
memory/2584-40-0x0000000005470000-0x000000000550C000-memory.dmp

Filesize
624KB

Download
memory/2584-41-0x0000000005D80000-0x0000000006324000-memory.dmp

Filesize
5.6MB

Download
memory/2584-42-0x0000000005870000-0x0000000005902000-memory.dmp

Filesize
584KB

Download