njrat | d88306c00686f6d35899a1cc07a65e7df6b6e1ad2e9c33ed36a5fa7acb508250

General

Target

fb7e05bd695c402fdb62f4ec07d5d697_JaffaCakes118.exe
Size

43KB
MD5

fb7e05bd695c402fdb62f4ec07d5d697
SHA1

3d20523c4b79e14c6a08f6dbeb931d4c0e5582f8
SHA256

d88306c00686f6d35899a1cc07a65e7df6b6e1ad2e9c33ed36a5fa7acb508250
SHA512

a20895bacd921580dbbc455e33ff4ce819c421970e0aebce4696c468a69998b0274c1d239b9d4cd002f02102fbc11df45cf9f8bdd649a2e151ca503ad66437fa
SSDEEP

384:TZytNVxdW/IUyNZEX5QFi9WW2Ezb156lpzYIij+ZsNO3PlpJKkkjh/TzF7pWnPtl:dQzxIghNZs5QFi9lZbipuXQ/oed+L

Score

10^/10

njrat cheat discovery trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

Cheat

C2

0.tcp.ngrok.io:19832

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	fb7e05bd695c402fdb62f4ec07d5d697_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3640	sv_hostt.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs

Web Service

T1102

flow	ioc
26	0.tcp.ngrok.io
55	0.tcp.ngrok.io
59	0.tcp.ngrok.io
77	0.tcp.ngrok.io

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	fb7e05bd695c402fdb62f4ec07d5d697_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sv_hostt.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
4124	fb7e05bd695c402fdb62f4ec07d5d697_JaffaCakes118.exe
3640	sv_hostt.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3640	sv_hostt.exe
Token: 33	3640	sv_hostt.exe
Token: SeIncBasePriorityPrivilege	3640	sv_hostt.exe
Token: 33	3640	sv_hostt.exe
Token: SeIncBasePriorityPrivilege	3640	sv_hostt.exe
Token: 33	3640	sv_hostt.exe
Token: SeIncBasePriorityPrivilege	3640	sv_hostt.exe
Token: 33	3640	sv_hostt.exe
Token: SeIncBasePriorityPrivilege	3640	sv_hostt.exe
Token: 33	3640	sv_hostt.exe
Token: SeIncBasePriorityPrivilege	3640	sv_hostt.exe
Token: 33	3640	sv_hostt.exe
Token: SeIncBasePriorityPrivilege	3640	sv_hostt.exe
Token: 33	3640	sv_hostt.exe
Token: SeIncBasePriorityPrivilege	3640	sv_hostt.exe
Token: 33	3640	sv_hostt.exe
Token: SeIncBasePriorityPrivilege	3640	sv_hostt.exe
Token: 33	3640	sv_hostt.exe
Token: SeIncBasePriorityPrivilege	3640	sv_hostt.exe
Token: 33	3640	sv_hostt.exe
Token: SeIncBasePriorityPrivilege	3640	sv_hostt.exe
Token: 33	3640	sv_hostt.exe
Token: SeIncBasePriorityPrivilege	3640	sv_hostt.exe
Token: 33	3640	sv_hostt.exe
Token: SeIncBasePriorityPrivilege	3640	sv_hostt.exe
Token: 33	3640	sv_hostt.exe
Token: SeIncBasePriorityPrivilege	3640	sv_hostt.exe
Token: 33	3640	sv_hostt.exe
Token: SeIncBasePriorityPrivilege	3640	sv_hostt.exe
Token: 33	3640	sv_hostt.exe
Token: SeIncBasePriorityPrivilege	3640	sv_hostt.exe
Token: 33	3640	sv_hostt.exe
Token: SeIncBasePriorityPrivilege	3640	sv_hostt.exe
Token: 33	3640	sv_hostt.exe
Token: SeIncBasePriorityPrivilege	3640	sv_hostt.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 3640	4124	fb7e05bd695c402fdb62f4ec07d5d697_JaffaCakes118.exe	87
PID 4124 wrote to memory of 3640	4124	fb7e05bd695c402fdb62f4ec07d5d697_JaffaCakes118.exe	87
PID 4124 wrote to memory of 3640	4124	fb7e05bd695c402fdb62f4ec07d5d697_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\fb7e05bd695c402fdb62f4ec07d5d697_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fb7e05bd695c402fdb62f4ec07d5d697_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:4124
- C:\Users\Admin\AppData\Local\Temp\sv_hostt.exe
  "C:\Users\Admin\AppData\Local\Temp\sv_hostt.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:3640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\sv_hostt.exe

Filesize
43KB

MD5
fb7e05bd695c402fdb62f4ec07d5d697

SHA1
3d20523c4b79e14c6a08f6dbeb931d4c0e5582f8

SHA256
d88306c00686f6d35899a1cc07a65e7df6b6e1ad2e9c33ed36a5fa7acb508250

SHA512
a20895bacd921580dbbc455e33ff4ce819c421970e0aebce4696c468a69998b0274c1d239b9d4cd002f02102fbc11df45cf9f8bdd649a2e151ca503ad66437fa

Download Submit
memory/3640-17-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/3640-16-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/3640-18-0x0000000005410000-0x000000000541A000-memory.dmp

Filesize
40KB

Download
memory/3640-19-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/3640-20-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/4124-2-0x0000000004BC0000-0x0000000004C5C000-memory.dmp

Filesize
624KB

Download
memory/4124-3-0x00000000054C0000-0x0000000005A64000-memory.dmp

Filesize
5.6MB

Download
memory/4124-4-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/4124-5-0x0000000004FF0000-0x0000000005082000-memory.dmp

Filesize
584KB

Download
memory/4124-1-0x0000000000240000-0x0000000000252000-memory.dmp

Filesize
72KB

Download
memory/4124-15-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/4124-0-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

Filesize
4KB

Download

Analysis

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