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

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	69a87f1faefd93c481a685a09e58fa92_JaffaCakes118.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 3 IoCs

pid	Process
4416	host.exe
2976	Server.exe
2488	Server.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-1-5-21-1337824034-2731376981-3755436523-1000\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
29	0.tcp.ngrok.io
57	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
2404	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
4892	69a87f1faefd93c481a685a09e58fa92_JaffaCakes118.exe
4416	host.exe

Suspicious use of AdjustPrivilegeToken 31 IoCs

description	pid	Process
Token: SeDebugPrivilege	4416	host.exe
Token: 33	4416	host.exe
Token: SeIncBasePriorityPrivilege	4416	host.exe
Token: 33	4416	host.exe
Token: SeIncBasePriorityPrivilege	4416	host.exe
Token: 33	4416	host.exe
Token: SeIncBasePriorityPrivilege	4416	host.exe
Token: 33	4416	host.exe
Token: SeIncBasePriorityPrivilege	4416	host.exe
Token: 33	4416	host.exe
Token: SeIncBasePriorityPrivilege	4416	host.exe
Token: 33	4416	host.exe
Token: SeIncBasePriorityPrivilege	4416	host.exe
Token: 33	4416	host.exe
Token: SeIncBasePriorityPrivilege	4416	host.exe
Token: 33	4416	host.exe
Token: SeIncBasePriorityPrivilege	4416	host.exe
Token: 33	4416	host.exe
Token: SeIncBasePriorityPrivilege	4416	host.exe
Token: 33	4416	host.exe
Token: SeIncBasePriorityPrivilege	4416	host.exe
Token: 33	4416	host.exe
Token: SeIncBasePriorityPrivilege	4416	host.exe
Token: 33	4416	host.exe
Token: SeIncBasePriorityPrivilege	4416	host.exe
Token: 33	4416	host.exe
Token: SeIncBasePriorityPrivilege	4416	host.exe
Token: 33	4416	host.exe
Token: SeIncBasePriorityPrivilege	4416	host.exe
Token: 33	4416	host.exe
Token: SeIncBasePriorityPrivilege	4416	host.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 4416	4892	69a87f1faefd93c481a685a09e58fa92_JaffaCakes118.exe	95
PID 4892 wrote to memory of 4416	4892	69a87f1faefd93c481a685a09e58fa92_JaffaCakes118.exe	95
PID 4892 wrote to memory of 4416	4892	69a87f1faefd93c481a685a09e58fa92_JaffaCakes118.exe	95
PID 4416 wrote to memory of 2404	4416	host.exe	98
PID 4416 wrote to memory of 2404	4416	host.exe	98
PID 4416 wrote to memory of 2404	4416	host.exe	98

C:\Users\Admin\AppData\Local\Temp\69a87f1faefd93c481a685a09e58fa92_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\69a87f1faefd93c481a685a09e58fa92_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:4892
- 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:4416
- - 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:2404

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
PID:2976

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
PID:2488

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Server.exe.log

Filesize
507B

MD5
25d1b50e7c0d451f3d850eb54d27ca05

SHA1
a238807715c70a335f54e80d4855644b21a9e870

SHA256
650faa13e983c9046c9030f63a5fa1c33900432ec7cb3762e015da2e7c5b34a5

SHA512
4223a26b2fabefdf1c01443ccc7bd887464d27f02694379895a040c66db472d541218d501f1c01e1bd31012d079a31baf24e20882c32cf652a09a74e3bf385f5

Download Submit
C:\Users\Admin\AppData\Roaming\host.exe

Filesize
43KB

MD5
69a87f1faefd93c481a685a09e58fa92

SHA1
1e4a18d3a67d633b4aa1c59321f839eb63a98541

SHA256
8e6fe5d0d927eb6fc8cadb2c68d51352a58a23783a4f9f038cf64e10114b1e27

SHA512
3c6ebcaeda6cf70f7d0fe4cb948b67ac6ec4cb43acf4933093977ae622b2061c8ca57efd19ee4cdca6bfac6f02cee546b51784436e7bf967ae3674c8c3040a45

Download Submit
memory/2976-28-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/2976-26-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/2976-25-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4416-22-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4416-16-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4416-17-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4416-20-0x00000000058C0000-0x00000000058CA000-memory.dmp

Filesize
40KB

Download
memory/4416-21-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4892-5-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4892-15-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4892-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

Filesize
4KB

Download
memory/4892-4-0x00000000055A0000-0x0000000005632000-memory.dmp

Filesize
584KB

Download
memory/4892-3-0x0000000005A40000-0x0000000005FE4000-memory.dmp

Filesize
5.6MB

Download
memory/4892-2-0x00000000051F0000-0x000000000528C000-memory.dmp

Filesize
624KB

Download
memory/4892-1-0x0000000000800000-0x0000000000812000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads