njrat | 5773e88b0b55132c3b842bb1d50142926a6b15834cbad09ee3754f8b362c2bb6

General

Target

5773e88b0b55132c3b842bb1d50142926a6b15834cbad09ee3754f8b362c2bb6.exe
Size

29KB
MD5

c043beee3a6c992bd5207fffa133dfbd
SHA1

815960f2b40b45574e207e2c7858aadca4fe0125
SHA256

5773e88b0b55132c3b842bb1d50142926a6b15834cbad09ee3754f8b362c2bb6
SHA512

5091cae286f578c1898c9f6e921395125ec9e59d12792f2a1f883ef3f81a68442d744966d5b20fab57ce22d500f6c7bdfe1327f81781bc4d3a5677a9822106bc
SSDEEP

384:bxUHEBl7p3hUw2s7bD55gEKemqDSqre/IDGBsbh0w4wlAokw9OhgOL1vYRGOZzD1:b17bUw2C3kEcqNreHBKh0p29SgRF/

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

yasser77.no-ip.org: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
1312	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1208	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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	5773e88b0b55132c3b842bb1d50142926a6b15834cbad09ee3754f8b362c2bb6.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-1-5-21-929662420-1054238289-2961194603-1000\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 45 IoCs

pid	Process
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1312	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 1312	848	5773e88b0b55132c3b842bb1d50142926a6b15834cbad09ee3754f8b362c2bb6.exe	82
PID 848 wrote to memory of 1312	848	5773e88b0b55132c3b842bb1d50142926a6b15834cbad09ee3754f8b362c2bb6.exe	82
PID 848 wrote to memory of 1312	848	5773e88b0b55132c3b842bb1d50142926a6b15834cbad09ee3754f8b362c2bb6.exe	82
PID 1312 wrote to memory of 1208	1312	Trojan.exe	83
PID 1312 wrote to memory of 1208	1312	Trojan.exe	83
PID 1312 wrote to memory of 1208	1312	Trojan.exe	83

C:\Users\Admin\AppData\Local\Temp\5773e88b0b55132c3b842bb1d50142926a6b15834cbad09ee3754f8b362c2bb6.exe
"C:\Users\Admin\AppData\Local\Temp\5773e88b0b55132c3b842bb1d50142926a6b15834cbad09ee3754f8b362c2bb6.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:848
- 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:1312
- - 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:1208

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

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Downloads

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

Filesize
29KB

MD5
c043beee3a6c992bd5207fffa133dfbd

SHA1
815960f2b40b45574e207e2c7858aadca4fe0125

SHA256
5773e88b0b55132c3b842bb1d50142926a6b15834cbad09ee3754f8b362c2bb6

SHA512
5091cae286f578c1898c9f6e921395125ec9e59d12792f2a1f883ef3f81a68442d744966d5b20fab57ce22d500f6c7bdfe1327f81781bc4d3a5677a9822106bc

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

Filesize
29KB

MD5
c043beee3a6c992bd5207fffa133dfbd

SHA1
815960f2b40b45574e207e2c7858aadca4fe0125

SHA256
5773e88b0b55132c3b842bb1d50142926a6b15834cbad09ee3754f8b362c2bb6

SHA512
5091cae286f578c1898c9f6e921395125ec9e59d12792f2a1f883ef3f81a68442d744966d5b20fab57ce22d500f6c7bdfe1327f81781bc4d3a5677a9822106bc

Download Submit
memory/848-132-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/848-137-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/1312-138-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/1312-139-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download

Analysis

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