njrat | e510484e9b83011f1ab83191c51fffebbb325b16daa926f649299ea5b37a3f82

General

Target

694a759cd7d164d93ebc109a631ae735_JaffaCakes118.exe
Size

43KB
MD5

694a759cd7d164d93ebc109a631ae735
SHA1

dcb2da48c5e9a9848f00d0bd7d7ad9079ebcc9bc
SHA256

e510484e9b83011f1ab83191c51fffebbb325b16daa926f649299ea5b37a3f82
SHA512

f2991f414fa881fca05eadedab8a15546785af9ed1b412239d9663560eb3365ea64eeca977f44ce67aa5bdeed51674baf7fbd8831a8f104f4b4c42ccb967c8c1
SSDEEP

384:RZytg5ctOnwtOyW6PRyciYE+ncOM44r2IVa9D9O5UE5QzwBlpJNakkjh/TzF7pWv:DRqAwt/W6ZyciYE+ce4r7vQO+4t+L

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

127.0.0.1:7777

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

694a759cd7d164d93ebc109a631ae735_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	694a759cd7d164d93ebc109a631ae735_JaffaCakes118.exe

Drops startup file 2 IoCs

Processes:

Dllhost.exe

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

Processes:

Dllhost.exe

pid process

1324 Dllhost.exe

pid	process
1324	Dllhost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Dllhost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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
Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

694a759cd7d164d93ebc109a631ae735_JaffaCakes118.exeDllhost.exe

pid process

3748 694a759cd7d164d93ebc109a631ae735_JaffaCakes118.exe
1324 Dllhost.exe

pid	process
3748	694a759cd7d164d93ebc109a631ae735_JaffaCakes118.exe
1324	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

Dllhost.exe

description	pid	process
Token: SeDebugPrivilege	1324	Dllhost.exe
Token: 33	1324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1324	Dllhost.exe
Token: 33	1324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1324	Dllhost.exe
Token: 33	1324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1324	Dllhost.exe
Token: 33	1324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1324	Dllhost.exe
Token: 33	1324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1324	Dllhost.exe
Token: 33	1324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1324	Dllhost.exe
Token: 33	1324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1324	Dllhost.exe
Token: 33	1324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1324	Dllhost.exe
Token: 33	1324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1324	Dllhost.exe
Token: 33	1324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1324	Dllhost.exe
Token: 33	1324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1324	Dllhost.exe
Token: 33	1324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1324	Dllhost.exe
Token: 33	1324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1324	Dllhost.exe
Token: 33	1324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1324	Dllhost.exe
Token: 33	1324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1324	Dllhost.exe
Token: 33	1324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1324	Dllhost.exe
Token: 33	1324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1324	Dllhost.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

694a759cd7d164d93ebc109a631ae735_JaffaCakes118.exe

description	pid	process	target process
PID 3748 wrote to memory of 1324	3748	694a759cd7d164d93ebc109a631ae735_JaffaCakes118.exe	Dllhost.exe
PID 3748 wrote to memory of 1324	3748	694a759cd7d164d93ebc109a631ae735_JaffaCakes118.exe	Dllhost.exe
PID 3748 wrote to memory of 1324	3748	694a759cd7d164d93ebc109a631ae735_JaffaCakes118.exe	Dllhost.exe

C:\Users\Admin\AppData\Local\Temp\694a759cd7d164d93ebc109a631ae735_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\694a759cd7d164d93ebc109a631ae735_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3748

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
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1324

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
43KB

MD5
694a759cd7d164d93ebc109a631ae735

SHA1
dcb2da48c5e9a9848f00d0bd7d7ad9079ebcc9bc

SHA256
e510484e9b83011f1ab83191c51fffebbb325b16daa926f649299ea5b37a3f82

SHA512
f2991f414fa881fca05eadedab8a15546785af9ed1b412239d9663560eb3365ea64eeca977f44ce67aa5bdeed51674baf7fbd8831a8f104f4b4c42ccb967c8c1

Download Submit
memory/1324-13-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/1324-14-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/1324-16-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/3748-0-0x00000000746A2000-0x00000000746A3000-memory.dmp

Filesize
4KB

Download
memory/3748-1-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/3748-2-0x00000000746A0000-0x0000000074C51000-memory.dmp

Filesize
5.7MB

Download
memory/3748-12-0x00000000746A0000-0x0000000074C51000-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