njrat | a984108cbf49aca81b1a4c9a73315d2b9638f0a2b0fb9e4cdb009855cac8e4db

Analysis

max time kernel
31s
max time network
42s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22-09-2024 00:06

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Reason

Machine shutdown

Report Analysis Logs

General

Target

f0e38cb5564a416a69d54e85af4f5b40_JaffaCakes118.exe
Size

43KB
MD5

f0e38cb5564a416a69d54e85af4f5b40
SHA1

dd143da1da6d3a327e5fb8965c18d5c6518344dc
SHA256

a984108cbf49aca81b1a4c9a73315d2b9638f0a2b0fb9e4cdb009855cac8e4db
SHA512

2878d98c68ea8cb538573abe73b755b1c5bef869b28f45aa65017028d287bd67d36f59149eab1e36f7d4f794ee2836e6ae81673e4c7b6de585b926e9417a302e
SSDEEP

384:rZylrsVqb08yPIpXixeCGEslmcNz0Iij+ZsNO3PlpJKkkjh/TzF7pWnolgreT0pe:Fors8Y5PId6ROlBuXQ/oRl+L

Score

10^/10

njrat hackopka discovery trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HackOPKA

127.0.0.1:5552

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	f0e38cb5564a416a69d54e85af4f5b40_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4728	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	f0e38cb5564a416a69d54e85af4f5b40_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dllhost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2980	f0e38cb5564a416a69d54e85af4f5b40_JaffaCakes118.exe
4728	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4728	Dllhost.exe
Token: 33	4728	Dllhost.exe
Token: SeIncBasePriorityPrivilege	4728	Dllhost.exe
Token: 33	4728	Dllhost.exe
Token: SeIncBasePriorityPrivilege	4728	Dllhost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 4728	2980	f0e38cb5564a416a69d54e85af4f5b40_JaffaCakes118.exe	86
PID 2980 wrote to memory of 4728	2980	f0e38cb5564a416a69d54e85af4f5b40_JaffaCakes118.exe	86
PID 2980 wrote to memory of 4728	2980	f0e38cb5564a416a69d54e85af4f5b40_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\f0e38cb5564a416a69d54e85af4f5b40_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f0e38cb5564a416a69d54e85af4f5b40_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
  "C:\Users\Admin\AppData\Local\Temp\Dllhost.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:4728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
43KB

MD5
f0e38cb5564a416a69d54e85af4f5b40

SHA1
dd143da1da6d3a327e5fb8965c18d5c6518344dc

SHA256
a984108cbf49aca81b1a4c9a73315d2b9638f0a2b0fb9e4cdb009855cac8e4db

SHA512
2878d98c68ea8cb538573abe73b755b1c5bef869b28f45aa65017028d287bd67d36f59149eab1e36f7d4f794ee2836e6ae81673e4c7b6de585b926e9417a302e

Download Submit
memory/2980-3-0x0000000005770000-0x0000000005D14000-memory.dmp

Filesize
5.6MB

Download
memory/2980-2-0x0000000004E50000-0x0000000004EEC000-memory.dmp

Filesize
624KB

Download
memory/2980-0-0x000000007521E000-0x000000007521F000-memory.dmp

Filesize
4KB

Download
memory/2980-4-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/2980-5-0x00000000052A0000-0x0000000005332000-memory.dmp

Filesize
584KB

Download
memory/2980-1-0x00000000004F0000-0x0000000000502000-memory.dmp

Filesize
72KB

Download
memory/2980-16-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4728-15-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4728-17-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4728-18-0x0000000004CD0000-0x0000000004CDA000-memory.dmp

Filesize
40KB

Download
memory/4728-19-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4728-20-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download