njrat | a9f841256176e553989ddda571efbd826e7a1290ccd915344e5cd7f3dbff0e06

General

Target

a9f841256176e553989ddda571efbd826e7a1290ccd915344e5cd7f3dbff0e06.exe
Size

29KB
MD5

539fc0ec68b05fe7516850d6408ba0a3
SHA1

7851bcf3001ea1f930da624663f7f9f311ee1571
SHA256

a9f841256176e553989ddda571efbd826e7a1290ccd915344e5cd7f3dbff0e06
SHA512

acbbdc29bb4204913736e0147754c621d1ec216a9174000fc4f58ed3238bda9c316412ead0d35f5f797ea2d31d5bfabb8160d5aa0d3474f8d72c3e256c6fe102
SSDEEP

384:1xUHEBl7p3hUw2s7bD55gEKemqDSqre/IDGBsbh0w4wlAokw9OhgOL1vYRGOZzSe:117bUw2C3kEcqNreHBKh0p29SgRk0

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

riyad213.sytes.net:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes

reg_key
5cd8f17f4086744065eb0992a09e05a2
splitter
|'|'|

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
4764	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
3000	netsh.exe

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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	a9f841256176e553989ddda571efbd826e7a1290ccd915344e5cd7f3dbff0e06.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe
4764	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4764	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 4764	4536	a9f841256176e553989ddda571efbd826e7a1290ccd915344e5cd7f3dbff0e06.exe	81
PID 4536 wrote to memory of 4764	4536	a9f841256176e553989ddda571efbd826e7a1290ccd915344e5cd7f3dbff0e06.exe	81
PID 4536 wrote to memory of 4764	4536	a9f841256176e553989ddda571efbd826e7a1290ccd915344e5cd7f3dbff0e06.exe	81
PID 4764 wrote to memory of 3000	4764	Trojan.exe	82
PID 4764 wrote to memory of 3000	4764	Trojan.exe	82
PID 4764 wrote to memory of 3000	4764	Trojan.exe	82

C:\Users\Admin\AppData\Local\Temp\a9f841256176e553989ddda571efbd826e7a1290ccd915344e5cd7f3dbff0e06.exe
"C:\Users\Admin\AppData\Local\Temp\a9f841256176e553989ddda571efbd826e7a1290ccd915344e5cd7f3dbff0e06.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4536
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4764
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:3000

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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

Replay Monitor

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Downloads

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

Filesize
29KB

MD5
539fc0ec68b05fe7516850d6408ba0a3

SHA1
7851bcf3001ea1f930da624663f7f9f311ee1571

SHA256
a9f841256176e553989ddda571efbd826e7a1290ccd915344e5cd7f3dbff0e06

SHA512
acbbdc29bb4204913736e0147754c621d1ec216a9174000fc4f58ed3238bda9c316412ead0d35f5f797ea2d31d5bfabb8160d5aa0d3474f8d72c3e256c6fe102

Download Submit
C:\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
29KB

MD5
539fc0ec68b05fe7516850d6408ba0a3

SHA1
7851bcf3001ea1f930da624663f7f9f311ee1571

SHA256
a9f841256176e553989ddda571efbd826e7a1290ccd915344e5cd7f3dbff0e06

SHA512
acbbdc29bb4204913736e0147754c621d1ec216a9174000fc4f58ed3238bda9c316412ead0d35f5f797ea2d31d5bfabb8160d5aa0d3474f8d72c3e256c6fe102

Download Submit
memory/4536-132-0x00000000753A0000-0x0000000075951000-memory.dmp

Filesize
5.7MB

Download
memory/4536-136-0x00000000753A0000-0x0000000075951000-memory.dmp

Filesize
5.7MB

Download
memory/4764-138-0x00000000753A0000-0x0000000075951000-memory.dmp

Filesize
5.7MB

Download
memory/4764-139-0x00000000753A0000-0x0000000075951000-memory.dmp

Filesize
5.7MB

Download

Analysis

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