njrat | 7a6e47ba86c26f2a90690a6cf5f5b9ff26f05133e508b5c0965aa2376113732c

General

Target

7a6e47ba86c26f2a90690a6cf5f5b9ff26f05133e508b5c0965aa2376113732c.exe
Size

23KB
MD5

65a4f6bad50e6e1961c2bb48a1d80710
SHA1

3099ec5f609a71ca0299a90d40da9cac7436d922
SHA256

7a6e47ba86c26f2a90690a6cf5f5b9ff26f05133e508b5c0965aa2376113732c
SHA512

ce7b7240b100b9c5b281a8bb6851b52e78877351b148f3138e095858b3d641f71c3b60deb7fa384d96131fc95a523d329d001d79abdd69380f3f51910c84927e
SSDEEP

384:DQeCo2zmZbQHkJeCdUwrvQ61gjuQBnB9mRvR6JZlbw8hqIusZzZMt:U5yBVd5Rpcnuv

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

aboodydody.no-ip.biz:1177

Mutex

2a05e2d1c9f43ec415f6709789b4a9b2

Attributes

reg_key
2a05e2d1c9f43ec415f6709789b4a9b2
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

server.exe

pid process

4700 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1256 netsh.exe

pid	process
4700	server.exe

pid	process
1256	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

Processes:

7a6e47ba86c26f2a90690a6cf5f5b9ff26f05133e508b5c0965aa2376113732c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	7a6e47ba86c26f2a90690a6cf5f5b9ff26f05133e508b5c0965aa2376113732c.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\2a05e2d1c9f43ec415f6709789b4a9b2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\2a05e2d1c9f43ec415f6709789b4a9b2 = "\"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 31 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	4700	server.exe
Token: 33	4700	server.exe
Token: SeIncBasePriorityPrivilege	4700	server.exe
Token: 33	4700	server.exe
Token: SeIncBasePriorityPrivilege	4700	server.exe
Token: 33	4700	server.exe
Token: SeIncBasePriorityPrivilege	4700	server.exe
Token: 33	4700	server.exe
Token: SeIncBasePriorityPrivilege	4700	server.exe
Token: 33	4700	server.exe
Token: SeIncBasePriorityPrivilege	4700	server.exe
Token: 33	4700	server.exe
Token: SeIncBasePriorityPrivilege	4700	server.exe
Token: 33	4700	server.exe
Token: SeIncBasePriorityPrivilege	4700	server.exe
Token: 33	4700	server.exe
Token: SeIncBasePriorityPrivilege	4700	server.exe
Token: 33	4700	server.exe
Token: SeIncBasePriorityPrivilege	4700	server.exe
Token: 33	4700	server.exe
Token: SeIncBasePriorityPrivilege	4700	server.exe
Token: 33	4700	server.exe
Token: SeIncBasePriorityPrivilege	4700	server.exe
Token: 33	4700	server.exe
Token: SeIncBasePriorityPrivilege	4700	server.exe
Token: 33	4700	server.exe
Token: SeIncBasePriorityPrivilege	4700	server.exe
Token: 33	4700	server.exe
Token: SeIncBasePriorityPrivilege	4700	server.exe
Token: 33	4700	server.exe
Token: SeIncBasePriorityPrivilege	4700	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

7a6e47ba86c26f2a90690a6cf5f5b9ff26f05133e508b5c0965aa2376113732c.exeserver.exe

description	pid	process	target process
PID 3704 wrote to memory of 4700	3704	7a6e47ba86c26f2a90690a6cf5f5b9ff26f05133e508b5c0965aa2376113732c.exe	server.exe
PID 3704 wrote to memory of 4700	3704	7a6e47ba86c26f2a90690a6cf5f5b9ff26f05133e508b5c0965aa2376113732c.exe	server.exe
PID 3704 wrote to memory of 4700	3704	7a6e47ba86c26f2a90690a6cf5f5b9ff26f05133e508b5c0965aa2376113732c.exe	server.exe
PID 4700 wrote to memory of 1256	4700	server.exe	netsh.exe
PID 4700 wrote to memory of 1256	4700	server.exe	netsh.exe
PID 4700 wrote to memory of 1256	4700	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\7a6e47ba86c26f2a90690a6cf5f5b9ff26f05133e508b5c0965aa2376113732c.exe
"C:\Users\Admin\AppData\Local\Temp\7a6e47ba86c26f2a90690a6cf5f5b9ff26f05133e508b5c0965aa2376113732c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3704
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4700
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1256

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

Loading Replay Monitor...

Downloads

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

Filesize
23KB

MD5
65a4f6bad50e6e1961c2bb48a1d80710

SHA1
3099ec5f609a71ca0299a90d40da9cac7436d922

SHA256
7a6e47ba86c26f2a90690a6cf5f5b9ff26f05133e508b5c0965aa2376113732c

SHA512
ce7b7240b100b9c5b281a8bb6851b52e78877351b148f3138e095858b3d641f71c3b60deb7fa384d96131fc95a523d329d001d79abdd69380f3f51910c84927e

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

Filesize
23KB

MD5
65a4f6bad50e6e1961c2bb48a1d80710

SHA1
3099ec5f609a71ca0299a90d40da9cac7436d922

SHA256
7a6e47ba86c26f2a90690a6cf5f5b9ff26f05133e508b5c0965aa2376113732c

SHA512
ce7b7240b100b9c5b281a8bb6851b52e78877351b148f3138e095858b3d641f71c3b60deb7fa384d96131fc95a523d329d001d79abdd69380f3f51910c84927e

Download Submit
memory/1256-139-0x0000000000000000-mapping.dmp

Download
memory/3704-132-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/3704-133-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/3704-137-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/4700-134-0x0000000000000000-mapping.dmp

Download
memory/4700-138-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/4700-140-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads