njrat | 52dc70b727d09c71f68f457546a48f01d78c6b9cd13c04d7c9594c01325ffe3c

General

Target

52dc70b727d09c71f68f457546a48f01d78c6b9cd13c04d7c9594c01325ffe3c.exe
Size

23KB
MD5

62562e69384b78f1be287950a8354778
SHA1

a67f12063d415ed305aacb50237beb6407ef75d1
SHA256

52dc70b727d09c71f68f457546a48f01d78c6b9cd13c04d7c9594c01325ffe3c
SHA512

8c59bfc761c726f6232e751d5013f48a3ab9fc8f5924bfba3ce8bb0e1b9dfa43d12859dff3f2b114f91e8daf0a9f37daf1cddc5b6b8710cec3c59bce88c5e4fc

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

279f6960ed84a752570aca7fb2dc1552

Attributes

reg_key
279f6960ed84a752570aca7fb2dc1552
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

1720 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1708 netsh.exe
Loads dropped DLL 1 IoCs

Processes:

52dc70b727d09c71f68f457546a48f01d78c6b9cd13c04d7c9594c01325ffe3c.exe

pid process

1792 52dc70b727d09c71f68f457546a48f01d78c6b9cd13c04d7c9594c01325ffe3c.exe

pid	process
1720	server.exe

pid	process
1708	netsh.exe

pid	process
1792	52dc70b727d09c71f68f457546a48f01d78c6b9cd13c04d7c9594c01325ffe3c.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\279f6960ed84a752570aca7fb2dc1552 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\279f6960ed84a752570aca7fb2dc1552 = "\"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 15 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	1720	server.exe
Token: 33	1720	server.exe
Token: SeIncBasePriorityPrivilege	1720	server.exe
Token: 33	1720	server.exe
Token: SeIncBasePriorityPrivilege	1720	server.exe
Token: 33	1720	server.exe
Token: SeIncBasePriorityPrivilege	1720	server.exe
Token: 33	1720	server.exe
Token: SeIncBasePriorityPrivilege	1720	server.exe
Token: 33	1720	server.exe
Token: SeIncBasePriorityPrivilege	1720	server.exe
Token: 33	1720	server.exe
Token: SeIncBasePriorityPrivilege	1720	server.exe
Token: 33	1720	server.exe
Token: SeIncBasePriorityPrivilege	1720	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

52dc70b727d09c71f68f457546a48f01d78c6b9cd13c04d7c9594c01325ffe3c.exeserver.exe

description	pid	process	target process
PID 1792 wrote to memory of 1720	1792	52dc70b727d09c71f68f457546a48f01d78c6b9cd13c04d7c9594c01325ffe3c.exe	server.exe
PID 1792 wrote to memory of 1720	1792	52dc70b727d09c71f68f457546a48f01d78c6b9cd13c04d7c9594c01325ffe3c.exe	server.exe
PID 1792 wrote to memory of 1720	1792	52dc70b727d09c71f68f457546a48f01d78c6b9cd13c04d7c9594c01325ffe3c.exe	server.exe
PID 1792 wrote to memory of 1720	1792	52dc70b727d09c71f68f457546a48f01d78c6b9cd13c04d7c9594c01325ffe3c.exe	server.exe
PID 1720 wrote to memory of 1708	1720	server.exe	netsh.exe
PID 1720 wrote to memory of 1708	1720	server.exe	netsh.exe
PID 1720 wrote to memory of 1708	1720	server.exe	netsh.exe
PID 1720 wrote to memory of 1708	1720	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\52dc70b727d09c71f68f457546a48f01d78c6b9cd13c04d7c9594c01325ffe3c.exe
"C:\Users\Admin\AppData\Local\Temp\52dc70b727d09c71f68f457546a48f01d78c6b9cd13c04d7c9594c01325ffe3c.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1792
- 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:1720
- - 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:1708

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
23KB

MD5
62562e69384b78f1be287950a8354778

SHA1
a67f12063d415ed305aacb50237beb6407ef75d1

SHA256
52dc70b727d09c71f68f457546a48f01d78c6b9cd13c04d7c9594c01325ffe3c

SHA512
8c59bfc761c726f6232e751d5013f48a3ab9fc8f5924bfba3ce8bb0e1b9dfa43d12859dff3f2b114f91e8daf0a9f37daf1cddc5b6b8710cec3c59bce88c5e4fc

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

Filesize
23KB

MD5
62562e69384b78f1be287950a8354778

SHA1
a67f12063d415ed305aacb50237beb6407ef75d1

SHA256
52dc70b727d09c71f68f457546a48f01d78c6b9cd13c04d7c9594c01325ffe3c

SHA512
8c59bfc761c726f6232e751d5013f48a3ab9fc8f5924bfba3ce8bb0e1b9dfa43d12859dff3f2b114f91e8daf0a9f37daf1cddc5b6b8710cec3c59bce88c5e4fc

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

Filesize
23KB

MD5
62562e69384b78f1be287950a8354778

SHA1
a67f12063d415ed305aacb50237beb6407ef75d1

SHA256
52dc70b727d09c71f68f457546a48f01d78c6b9cd13c04d7c9594c01325ffe3c

SHA512
8c59bfc761c726f6232e751d5013f48a3ab9fc8f5924bfba3ce8bb0e1b9dfa43d12859dff3f2b114f91e8daf0a9f37daf1cddc5b6b8710cec3c59bce88c5e4fc

Download Submit
memory/1708-64-0x0000000000000000-mapping.dmp

Download
memory/1720-58-0x0000000000000000-mapping.dmp

Download
memory/1720-63-0x0000000074F10000-0x00000000754BB000-memory.dmp

Filesize
5.7MB

Download
memory/1720-65-0x0000000074F10000-0x00000000754BB000-memory.dmp

Filesize
5.7MB

Download
memory/1792-54-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

Download
memory/1792-55-0x0000000074F10000-0x00000000754BB000-memory.dmp

Filesize
5.7MB

Download
memory/1792-56-0x0000000074F10000-0x00000000754BB000-memory.dmp

Filesize
5.7MB

Download
memory/1792-62-0x0000000074F10000-0x00000000754BB000-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