njrat | 544e3c1bb46608715f4e47e97fe7d867332e63c1a6ea532f839423cf4fe9a040

General

Target

6cb81f7937ae2fc220f4c6ed62851d18_JaffaCakes118.exe
Size

210KB
MD5

6cb81f7937ae2fc220f4c6ed62851d18
SHA1

518ee5bcb00c32dbbee072bc0bb8be318d091ea9
SHA256

544e3c1bb46608715f4e47e97fe7d867332e63c1a6ea532f839423cf4fe9a040
SHA512

7207be8f2d5afc085195537c71a430e55494d34d8d87192a6577ea5cced5dc8a1582ef46c0e95c713b138be6c58b3fdf7ddf399e5aa50a9287ff8eaecd8fd495
SSDEEP

1536:skzM+KDMILNf4yqYN1Qz2yfrdMSgCV1JToxlZHnkhpUkPJrYRKyWWg9yPg:bzM+KDM2qYN1QRraSgCFulZHE1YRZ6j

Score

10^/10

njrat victim persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

victim

C2

1026ef32.ddns.net:5353

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

Processes:

svchost.exe

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

Executes dropped EXE 3 IoCs

Processes:

svchost.exeServer.exeServer.exe

pid process

2608 svchost.exe
2464 Server.exe
1360 Server.exe
Loads dropped DLL 1 IoCs

Processes:

6cb81f7937ae2fc220f4c6ed62851d18_JaffaCakes118.exe

pid process

2932 6cb81f7937ae2fc220f4c6ed62851d18_JaffaCakes118.exe

pid	process
2608	svchost.exe
2464	Server.exe
1360	Server.exe

pid	process
2932	6cb81f7937ae2fc220f4c6ed62851d18_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.exe

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

Processes:

schtasks.exe

pid process

2748 schtasks.exe
Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

6cb81f7937ae2fc220f4c6ed62851d18_JaffaCakes118.exesvchost.exe

pid process

2932 6cb81f7937ae2fc220f4c6ed62851d18_JaffaCakes118.exe
2608 svchost.exe

pid	process
2748	schtasks.exe

pid	process
2932	6cb81f7937ae2fc220f4c6ed62851d18_JaffaCakes118.exe
2608	svchost.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeDebugPrivilege	2608	svchost.exe
Token: 33	2608	svchost.exe
Token: SeIncBasePriorityPrivilege	2608	svchost.exe
Token: 33	2608	svchost.exe
Token: SeIncBasePriorityPrivilege	2608	svchost.exe
Token: 33	2608	svchost.exe
Token: SeIncBasePriorityPrivilege	2608	svchost.exe
Token: 33	2608	svchost.exe
Token: SeIncBasePriorityPrivilege	2608	svchost.exe
Token: 33	2608	svchost.exe
Token: SeIncBasePriorityPrivilege	2608	svchost.exe
Token: 33	2608	svchost.exe
Token: SeIncBasePriorityPrivilege	2608	svchost.exe
Token: 33	2608	svchost.exe
Token: SeIncBasePriorityPrivilege	2608	svchost.exe
Token: 33	2608	svchost.exe
Token: SeIncBasePriorityPrivilege	2608	svchost.exe
Token: 33	2608	svchost.exe
Token: SeIncBasePriorityPrivilege	2608	svchost.exe
Token: 33	2608	svchost.exe
Token: SeIncBasePriorityPrivilege	2608	svchost.exe
Token: 33	2608	svchost.exe
Token: SeIncBasePriorityPrivilege	2608	svchost.exe
Token: 33	2608	svchost.exe
Token: SeIncBasePriorityPrivilege	2608	svchost.exe
Token: 33	2608	svchost.exe
Token: SeIncBasePriorityPrivilege	2608	svchost.exe
Token: 33	2608	svchost.exe
Token: SeIncBasePriorityPrivilege	2608	svchost.exe
Token: 33	2608	svchost.exe
Token: SeIncBasePriorityPrivilege	2608	svchost.exe
Token: 33	2608	svchost.exe
Token: SeIncBasePriorityPrivilege	2608	svchost.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

6cb81f7937ae2fc220f4c6ed62851d18_JaffaCakes118.exesvchost.exetaskeng.exe

description	pid	process	target process
PID 2932 wrote to memory of 2608	2932	6cb81f7937ae2fc220f4c6ed62851d18_JaffaCakes118.exe	svchost.exe
PID 2932 wrote to memory of 2608	2932	6cb81f7937ae2fc220f4c6ed62851d18_JaffaCakes118.exe	svchost.exe
PID 2932 wrote to memory of 2608	2932	6cb81f7937ae2fc220f4c6ed62851d18_JaffaCakes118.exe	svchost.exe
PID 2932 wrote to memory of 2608	2932	6cb81f7937ae2fc220f4c6ed62851d18_JaffaCakes118.exe	svchost.exe
PID 2608 wrote to memory of 2748	2608	svchost.exe	schtasks.exe
PID 2608 wrote to memory of 2748	2608	svchost.exe	schtasks.exe
PID 2608 wrote to memory of 2748	2608	svchost.exe	schtasks.exe
PID 2608 wrote to memory of 2748	2608	svchost.exe	schtasks.exe
PID 2484 wrote to memory of 2464	2484	taskeng.exe	Server.exe
PID 2484 wrote to memory of 2464	2484	taskeng.exe	Server.exe
PID 2484 wrote to memory of 2464	2484	taskeng.exe	Server.exe
PID 2484 wrote to memory of 2464	2484	taskeng.exe	Server.exe
PID 2484 wrote to memory of 1360	2484	taskeng.exe	Server.exe
PID 2484 wrote to memory of 1360	2484	taskeng.exe	Server.exe
PID 2484 wrote to memory of 1360	2484	taskeng.exe	Server.exe
PID 2484 wrote to memory of 1360	2484	taskeng.exe	Server.exe

C:\Users\Admin\AppData\Local\Temp\6cb81f7937ae2fc220f4c6ed62851d18_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6cb81f7937ae2fc220f4c6ed62851d18_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.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:2608
- - 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:2748

C:\Windows\system32\taskeng.exe
taskeng.exe {CEB8AE87-5235-44A2-B23F-5E02C7EFABDF} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - Executes dropped EXE
  PID:2464
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - Executes dropped EXE
  PID:1360

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

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\svchost.exe

Filesize
210KB

MD5
6cb81f7937ae2fc220f4c6ed62851d18

SHA1
518ee5bcb00c32dbbee072bc0bb8be318d091ea9

SHA256
544e3c1bb46608715f4e47e97fe7d867332e63c1a6ea532f839423cf4fe9a040

SHA512
7207be8f2d5afc085195537c71a430e55494d34d8d87192a6577ea5cced5dc8a1582ef46c0e95c713b138be6c58b3fdf7ddf399e5aa50a9287ff8eaecd8fd495

Download Submit
memory/2464-21-0x0000000000E50000-0x0000000000E8A000-memory.dmp

Filesize
232KB

Download
memory/2608-11-0x00000000000E0000-0x000000000011A000-memory.dmp

Filesize
232KB

Download
memory/2608-12-0x0000000074AA0000-0x000000007518E000-memory.dmp

Filesize
6.9MB

Download
memory/2608-14-0x0000000074AA0000-0x000000007518E000-memory.dmp

Filesize
6.9MB

Download
memory/2608-17-0x0000000074AA0000-0x000000007518E000-memory.dmp

Filesize
6.9MB

Download
memory/2608-18-0x0000000074AA0000-0x000000007518E000-memory.dmp

Filesize
6.9MB

Download
memory/2932-0-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

Filesize
4KB

Download
memory/2932-1-0x0000000000A50000-0x0000000000A8A000-memory.dmp

Filesize
232KB

Download
memory/2932-2-0x0000000000260000-0x0000000000272000-memory.dmp

Filesize
72KB

Download
memory/2932-3-0x0000000074AA0000-0x000000007518E000-memory.dmp

Filesize
6.9MB

Download
memory/2932-13-0x0000000074AA0000-0x000000007518E000-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