njrat | a030539de58c3d9e18f770feb17270399b6641f5cbcb14a78db10c4055a8ce8d

General

Target

a030539de58c3d9e18f770feb17270399b6641f5cbcb14a78db10c4055a8ce8d.exe
Size

244KB
MD5

36539f9812df8ba44239578a6b1337f0
SHA1

9fc68b455c20524ec84de1dc229d679c35fb815b
SHA256

a030539de58c3d9e18f770feb17270399b6641f5cbcb14a78db10c4055a8ce8d
SHA512

54e1b41f049d9fc82c18e5ec02918a43d3958d94cf0f32950f3545d10b6dde0a10e10605bf1c1c9bf73f7f320f108bf93821b5d11c285bd2ecfa247b3db493d7
SSDEEP

6144:0txyKPuUW/1FT6AGG+adsw7OtQSGUh+Yc8XRGzVL:xKGT/1FTt399ShhGGqV

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

mohamedtota.no-ip.biz:5552

Mutex

687fa46eb30322ccea811da1aed2fce9

Attributes

reg_key
687fa46eb30322ccea811da1aed2fce9
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 2 IoCs

Processes:

LocalYnTyCadSkq.exeserver.exe

pid process

4864 LocalYnTyCadSkq.exe
5056 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

540 netsh.exe

pid	process
4864	LocalYnTyCadSkq.exe
5056	server.exe

pid	process
540	netsh.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

LocalYnTyCadSkq.exea030539de58c3d9e18f770feb17270399b6641f5cbcb14a78db10c4055a8ce8d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	LocalYnTyCadSkq.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	a030539de58c3d9e18f770feb17270399b6641f5cbcb14a78db10c4055a8ce8d.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\687fa46eb30322ccea811da1aed2fce9 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\687fa46eb30322ccea811da1aed2fce9 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	5056	server.exe
Token: 33	5056	server.exe
Token: SeIncBasePriorityPrivilege	5056	server.exe
Token: 33	5056	server.exe
Token: SeIncBasePriorityPrivilege	5056	server.exe
Token: 33	5056	server.exe
Token: SeIncBasePriorityPrivilege	5056	server.exe
Token: 33	5056	server.exe
Token: SeIncBasePriorityPrivilege	5056	server.exe
Token: 33	5056	server.exe
Token: SeIncBasePriorityPrivilege	5056	server.exe
Token: 33	5056	server.exe
Token: SeIncBasePriorityPrivilege	5056	server.exe
Token: 33	5056	server.exe
Token: SeIncBasePriorityPrivilege	5056	server.exe
Token: 33	5056	server.exe
Token: SeIncBasePriorityPrivilege	5056	server.exe
Token: 33	5056	server.exe
Token: SeIncBasePriorityPrivilege	5056	server.exe
Token: 33	5056	server.exe
Token: SeIncBasePriorityPrivilege	5056	server.exe
Token: 33	5056	server.exe
Token: SeIncBasePriorityPrivilege	5056	server.exe
Token: 33	5056	server.exe
Token: SeIncBasePriorityPrivilege	5056	server.exe
Token: 33	5056	server.exe
Token: SeIncBasePriorityPrivilege	5056	server.exe
Token: 33	5056	server.exe
Token: SeIncBasePriorityPrivilege	5056	server.exe
Token: 33	5056	server.exe
Token: SeIncBasePriorityPrivilege	5056	server.exe
Token: 33	5056	server.exe
Token: SeIncBasePriorityPrivilege	5056	server.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

a030539de58c3d9e18f770feb17270399b6641f5cbcb14a78db10c4055a8ce8d.exeLocalYnTyCadSkq.exeserver.exe

description	pid	process	target process
PID 2740 wrote to memory of 4864	2740	a030539de58c3d9e18f770feb17270399b6641f5cbcb14a78db10c4055a8ce8d.exe	LocalYnTyCadSkq.exe
PID 2740 wrote to memory of 4864	2740	a030539de58c3d9e18f770feb17270399b6641f5cbcb14a78db10c4055a8ce8d.exe	LocalYnTyCadSkq.exe
PID 2740 wrote to memory of 4864	2740	a030539de58c3d9e18f770feb17270399b6641f5cbcb14a78db10c4055a8ce8d.exe	LocalYnTyCadSkq.exe
PID 4864 wrote to memory of 5056	4864	LocalYnTyCadSkq.exe	server.exe
PID 4864 wrote to memory of 5056	4864	LocalYnTyCadSkq.exe	server.exe
PID 4864 wrote to memory of 5056	4864	LocalYnTyCadSkq.exe	server.exe
PID 5056 wrote to memory of 540	5056	server.exe	netsh.exe
PID 5056 wrote to memory of 540	5056	server.exe	netsh.exe
PID 5056 wrote to memory of 540	5056	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\a030539de58c3d9e18f770feb17270399b6641f5cbcb14a78db10c4055a8ce8d.exe
"C:\Users\Admin\AppData\Local\Temp\a030539de58c3d9e18f770feb17270399b6641f5cbcb14a78db10c4055a8ce8d.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Users\Admin\AppData\LocalYnTyCadSkq.exe
  "C:\Users\Admin\AppData\LocalYnTyCadSkq.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:4864
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:5056
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      PID:540

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\LocalYnTyCadSkq.exe

Filesize
23KB

MD5
4d13b110f8b5427d53f85c66df13f60f

SHA1
c37aab049642d1250e6d8d0112ce1aa1e44c2346

SHA256
cd7a69b8c5d0ca7e893c6a5bd36357dbf036a64fbb56203df72063da2dd16371

SHA512
69ff478d3c8d6ac4ae4cb36d19f6d5b3e9ea13d6c6aa70ac277e6e18703caf4db8e76c418627d43e66e51e24aa49588f9cb327b5f016cf88afd9dc72f5ebf3de

Download Submit
C:\Users\Admin\AppData\LocalYnTyCadSkq.exe

Filesize
23KB

MD5
4d13b110f8b5427d53f85c66df13f60f

SHA1
c37aab049642d1250e6d8d0112ce1aa1e44c2346

SHA256
cd7a69b8c5d0ca7e893c6a5bd36357dbf036a64fbb56203df72063da2dd16371

SHA512
69ff478d3c8d6ac4ae4cb36d19f6d5b3e9ea13d6c6aa70ac277e6e18703caf4db8e76c418627d43e66e51e24aa49588f9cb327b5f016cf88afd9dc72f5ebf3de

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

Filesize
23KB

MD5
4d13b110f8b5427d53f85c66df13f60f

SHA1
c37aab049642d1250e6d8d0112ce1aa1e44c2346

SHA256
cd7a69b8c5d0ca7e893c6a5bd36357dbf036a64fbb56203df72063da2dd16371

SHA512
69ff478d3c8d6ac4ae4cb36d19f6d5b3e9ea13d6c6aa70ac277e6e18703caf4db8e76c418627d43e66e51e24aa49588f9cb327b5f016cf88afd9dc72f5ebf3de

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

Filesize
23KB

MD5
4d13b110f8b5427d53f85c66df13f60f

SHA1
c37aab049642d1250e6d8d0112ce1aa1e44c2346

SHA256
cd7a69b8c5d0ca7e893c6a5bd36357dbf036a64fbb56203df72063da2dd16371

SHA512
69ff478d3c8d6ac4ae4cb36d19f6d5b3e9ea13d6c6aa70ac277e6e18703caf4db8e76c418627d43e66e51e24aa49588f9cb327b5f016cf88afd9dc72f5ebf3de

Download Submit
memory/540-143-0x0000000000000000-mapping.dmp

Download
memory/2740-136-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/2740-132-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/4864-133-0x0000000000000000-mapping.dmp

Download
memory/4864-137-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/4864-141-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/5056-138-0x0000000000000000-mapping.dmp

Download
memory/5056-142-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/5056-144-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads