njrat | 8e6fe5d0d927eb6fc8cadb2c68d51352a58a23783a4f9f038cf64e10114b1e27

General

Target

69a87f1faefd93c481a685a09e58fa92_JaffaCakes118.exe
Size

43KB
MD5

69a87f1faefd93c481a685a09e58fa92
SHA1

1e4a18d3a67d633b4aa1c59321f839eb63a98541
SHA256

8e6fe5d0d927eb6fc8cadb2c68d51352a58a23783a4f9f038cf64e10114b1e27
SHA512

3c6ebcaeda6cf70f7d0fe4cb948b67ac6ec4cb43acf4933093977ae622b2061c8ca57efd19ee4cdca6bfac6f02cee546b51784436e7bf967ae3674c8c3040a45
SSDEEP

384:9ZyC73xdW/IUyNZ+15EFiXMoIEvbl56lpzYIij+ZsNO3PlpJKkkjh/TzF7pWnQ/l:33DxIghNZE5EFiXNHbypuXQ/oB3+L

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

0.tcp.ngrok.io:1604

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

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

Drops startup file 2 IoCs

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

Executes dropped EXE 3 IoCs

pid	Process
2884	host.exe
2488	Server.exe
1632	Server.exe

Loads dropped DLL 1 IoCs

pid	Process
2740	69a87f1faefd93c481a685a09e58fa92_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\host.exe\" .."	host.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\host.exe\" .."	host.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
2	0.tcp.ngrok.io
8	0.tcp.ngrok.io

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2800	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2740	69a87f1faefd93c481a685a09e58fa92_JaffaCakes118.exe
2884	host.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2884	host.exe
Token: 33	2884	host.exe
Token: SeIncBasePriorityPrivilege	2884	host.exe
Token: 33	2884	host.exe
Token: SeIncBasePriorityPrivilege	2884	host.exe
Token: 33	2884	host.exe
Token: SeIncBasePriorityPrivilege	2884	host.exe
Token: 33	2884	host.exe
Token: SeIncBasePriorityPrivilege	2884	host.exe
Token: 33	2884	host.exe
Token: SeIncBasePriorityPrivilege	2884	host.exe
Token: 33	2884	host.exe
Token: SeIncBasePriorityPrivilege	2884	host.exe
Token: 33	2884	host.exe
Token: SeIncBasePriorityPrivilege	2884	host.exe
Token: 33	2884	host.exe
Token: SeIncBasePriorityPrivilege	2884	host.exe
Token: 33	2884	host.exe
Token: SeIncBasePriorityPrivilege	2884	host.exe
Token: 33	2884	host.exe
Token: SeIncBasePriorityPrivilege	2884	host.exe
Token: 33	2884	host.exe
Token: SeIncBasePriorityPrivilege	2884	host.exe
Token: 33	2884	host.exe
Token: SeIncBasePriorityPrivilege	2884	host.exe
Token: 33	2884	host.exe
Token: SeIncBasePriorityPrivilege	2884	host.exe
Token: 33	2884	host.exe
Token: SeIncBasePriorityPrivilege	2884	host.exe
Token: 33	2884	host.exe
Token: SeIncBasePriorityPrivilege	2884	host.exe
Token: 33	2884	host.exe
Token: SeIncBasePriorityPrivilege	2884	host.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 2884	2740	69a87f1faefd93c481a685a09e58fa92_JaffaCakes118.exe	28
PID 2740 wrote to memory of 2884	2740	69a87f1faefd93c481a685a09e58fa92_JaffaCakes118.exe	28
PID 2740 wrote to memory of 2884	2740	69a87f1faefd93c481a685a09e58fa92_JaffaCakes118.exe	28
PID 2740 wrote to memory of 2884	2740	69a87f1faefd93c481a685a09e58fa92_JaffaCakes118.exe	28
PID 2884 wrote to memory of 2800	2884	host.exe	29
PID 2884 wrote to memory of 2800	2884	host.exe	29
PID 2884 wrote to memory of 2800	2884	host.exe	29
PID 2884 wrote to memory of 2800	2884	host.exe	29
PID 2640 wrote to memory of 2488	2640	taskeng.exe	34
PID 2640 wrote to memory of 2488	2640	taskeng.exe	34
PID 2640 wrote to memory of 2488	2640	taskeng.exe	34
PID 2640 wrote to memory of 2488	2640	taskeng.exe	34
PID 2640 wrote to memory of 1632	2640	taskeng.exe	35
PID 2640 wrote to memory of 1632	2640	taskeng.exe	35
PID 2640 wrote to memory of 1632	2640	taskeng.exe	35
PID 2640 wrote to memory of 1632	2640	taskeng.exe	35

C:\Users\Admin\AppData\Local\Temp\69a87f1faefd93c481a685a09e58fa92_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\69a87f1faefd93c481a685a09e58fa92_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Users\Admin\AppData\Roaming\host.exe
  "C:\Users\Admin\AppData\Roaming\host.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2884
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
    3⤵
    - Creates scheduled task(s)
    PID:2800

C:\Windows\system32\taskeng.exe
taskeng.exe {7F6B6BCE-2A96-4536-A20A-672190C5B49C} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - Executes dropped EXE
  PID:2488
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - Executes dropped EXE
  PID:1632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\host.exe

Filesize
43KB

MD5
69a87f1faefd93c481a685a09e58fa92

SHA1
1e4a18d3a67d633b4aa1c59321f839eb63a98541

SHA256
8e6fe5d0d927eb6fc8cadb2c68d51352a58a23783a4f9f038cf64e10114b1e27

SHA512
3c6ebcaeda6cf70f7d0fe4cb948b67ac6ec4cb43acf4933093977ae622b2061c8ca57efd19ee4cdca6bfac6f02cee546b51784436e7bf967ae3674c8c3040a45

Download Submit
memory/2488-20-0x0000000001200000-0x0000000001212000-memory.dmp

Filesize
72KB

Download
memory/2740-0-0x000000007414E000-0x000000007414F000-memory.dmp

Filesize
4KB

Download
memory/2740-1-0x0000000000FC0000-0x0000000000FD2000-memory.dmp

Filesize
72KB

Download
memory/2740-2-0x0000000074140000-0x000000007482E000-memory.dmp

Filesize
6.9MB

Download
memory/2740-11-0x0000000074140000-0x000000007482E000-memory.dmp

Filesize
6.9MB

Download
memory/2884-10-0x0000000000FF0000-0x0000000001002000-memory.dmp

Filesize
72KB

Download
memory/2884-12-0x0000000074140000-0x000000007482E000-memory.dmp

Filesize
6.9MB

Download
memory/2884-13-0x0000000074140000-0x000000007482E000-memory.dmp

Filesize
6.9MB

Download
memory/2884-16-0x0000000074140000-0x000000007482E000-memory.dmp

Filesize
6.9MB

Download
memory/2884-17-0x0000000074140000-0x000000007482E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads