njrat | 7a74c3da1e601731a252173aa4c76c17263e812a6e21c565baf4b6ca808c87b9

General

Target

JaffaCakes118_1084cb1760116d072d0c177a76ba7981.exe
Size

43KB
MD5

1084cb1760116d072d0c177a76ba7981
SHA1

b156917a9ae67594ee252fe66b53a324c669e2e7
SHA256

7a74c3da1e601731a252173aa4c76c17263e812a6e21c565baf4b6ca808c87b9
SHA512

ed7ef19128c0bce992fc7539aa7be5ea6064f16fe7f719675e26b8f2c6cdc54f27f472b95879150b423c82b4580e727a0237171f4b184dbd4e3ca59c05890eb8
SSDEEP

384:JZy9daFIB+oyitVv0OCMDafIutK9D9O5UE5QzwBlpJNakkjh/TzF7pWn2/greT0s:LZ+IliLvDwRvQO+Tl+L

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

192.168.0.153:9360

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

Njrat family
njrat
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	Dllhost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	Dllhost.exe

Executes dropped EXE 1 IoCs

pid	Process
2360	Dllhost.exe

Loads dropped DLL 1 IoCs

pid	Process
2132	JaffaCakes118_1084cb1760116d072d0c177a76ba7981.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dllhost.exe\" .."	Dllhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dllhost.exe\" .."	Dllhost.exe

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 2 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	JaffaCakes118_1084cb1760116d072d0c177a76ba7981.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dllhost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2132	JaffaCakes118_1084cb1760116d072d0c177a76ba7981.exe
2360	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2360	Dllhost.exe
Token: 33	2360	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2360	Dllhost.exe
Token: 33	2360	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2360	Dllhost.exe
Token: 33	2360	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2360	Dllhost.exe
Token: 33	2360	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2360	Dllhost.exe
Token: 33	2360	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2360	Dllhost.exe
Token: 33	2360	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2360	Dllhost.exe
Token: 33	2360	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2360	Dllhost.exe
Token: 33	2360	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2360	Dllhost.exe
Token: 33	2360	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2360	Dllhost.exe
Token: 33	2360	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2360	Dllhost.exe
Token: 33	2360	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2360	Dllhost.exe
Token: 33	2360	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2360	Dllhost.exe
Token: 33	2360	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2360	Dllhost.exe
Token: 33	2360	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2360	Dllhost.exe
Token: 33	2360	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2360	Dllhost.exe
Token: 33	2360	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2360	Dllhost.exe
Token: 33	2360	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2360	Dllhost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2360	2132	JaffaCakes118_1084cb1760116d072d0c177a76ba7981.exe	30
PID 2132 wrote to memory of 2360	2132	JaffaCakes118_1084cb1760116d072d0c177a76ba7981.exe	30
PID 2132 wrote to memory of 2360	2132	JaffaCakes118_1084cb1760116d072d0c177a76ba7981.exe	30
PID 2132 wrote to memory of 2360	2132	JaffaCakes118_1084cb1760116d072d0c177a76ba7981.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1084cb1760116d072d0c177a76ba7981.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1084cb1760116d072d0c177a76ba7981.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Users\Admin\AppData\Roaming\Dllhost.exe
  "C:\Users\Admin\AppData\Roaming\Dllhost.exe"
  2⤵
  - 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:2360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Dllhost.exe

Filesize
43KB

MD5
1084cb1760116d072d0c177a76ba7981

SHA1
b156917a9ae67594ee252fe66b53a324c669e2e7

SHA256
7a74c3da1e601731a252173aa4c76c17263e812a6e21c565baf4b6ca808c87b9

SHA512
ed7ef19128c0bce992fc7539aa7be5ea6064f16fe7f719675e26b8f2c6cdc54f27f472b95879150b423c82b4580e727a0237171f4b184dbd4e3ca59c05890eb8

Download Submit
memory/2132-0-0x0000000074941000-0x0000000074942000-memory.dmp

Filesize
4KB

Download
memory/2132-1-0x0000000074940000-0x0000000074EEB000-memory.dmp

Filesize
5.7MB

Download
memory/2132-2-0x0000000074940000-0x0000000074EEB000-memory.dmp

Filesize
5.7MB

Download
memory/2132-11-0x0000000074940000-0x0000000074EEB000-memory.dmp

Filesize
5.7MB

Download
memory/2360-10-0x0000000074940000-0x0000000074EEB000-memory.dmp

Filesize
5.7MB

Download
memory/2360-12-0x0000000074940000-0x0000000074EEB000-memory.dmp

Filesize
5.7MB

Download
memory/2360-14-0x0000000074940000-0x0000000074EEB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads