njrat | 86a5da9ed37c702502d7b770e9b619a98bcd03bb99d1b6454a6f17d06c9220f8

General

Target

86a5da9ed37c702502d7b770e9b619a98bcd03bb99d1b6454a6f17d06c9220f8.exe
Size

24KB
MD5

66dad01dca0e7e7f3917ab5f89adc3b0
SHA1

e1e99c5cc8c899c61f7111445bb024692faaaaba
SHA256

86a5da9ed37c702502d7b770e9b619a98bcd03bb99d1b6454a6f17d06c9220f8
SHA512

fb996c9474ee40ef7e6717c66998f13fcf2db7a7dcb2df4c2d62834eef5a7a94d3f5f482d38f63b563afcafb7631946eef03e63784cbbfa820d8baa92e60b64f
SSDEEP

384:88aZYC9twBNdcvFaly2H0dKJo6HghcASEJqc/ZmRvR6JZlbw8hqIusZzZSOU:iY+sNKqNHOSdRpcnunb

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

roblucci.ddns.net:1497

Mutex

9a5e9ef07ecca698ac3f8ad27c5276c2

Attributes

reg_key
9a5e9ef07ecca698ac3f8ad27c5276c2
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

1984 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1324 netsh.exe
Loads dropped DLL 1 IoCs

Processes:

86a5da9ed37c702502d7b770e9b619a98bcd03bb99d1b6454a6f17d06c9220f8.exe

pid process

1992 86a5da9ed37c702502d7b770e9b619a98bcd03bb99d1b6454a6f17d06c9220f8.exe

pid	process
1984	server.exe

pid	process
1324	netsh.exe

pid	process
1992	86a5da9ed37c702502d7b770e9b619a98bcd03bb99d1b6454a6f17d06c9220f8.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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\9a5e9ef07ecca698ac3f8ad27c5276c2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\9a5e9ef07ecca698ac3f8ad27c5276c2 = "\"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 19 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	1984	server.exe
Token: 33	1984	server.exe
Token: SeIncBasePriorityPrivilege	1984	server.exe
Token: 33	1984	server.exe
Token: SeIncBasePriorityPrivilege	1984	server.exe
Token: 33	1984	server.exe
Token: SeIncBasePriorityPrivilege	1984	server.exe
Token: 33	1984	server.exe
Token: SeIncBasePriorityPrivilege	1984	server.exe
Token: 33	1984	server.exe
Token: SeIncBasePriorityPrivilege	1984	server.exe
Token: 33	1984	server.exe
Token: SeIncBasePriorityPrivilege	1984	server.exe
Token: 33	1984	server.exe
Token: SeIncBasePriorityPrivilege	1984	server.exe
Token: 33	1984	server.exe
Token: SeIncBasePriorityPrivilege	1984	server.exe
Token: 33	1984	server.exe
Token: SeIncBasePriorityPrivilege	1984	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

86a5da9ed37c702502d7b770e9b619a98bcd03bb99d1b6454a6f17d06c9220f8.exeserver.exe

description	pid	process	target process
PID 1992 wrote to memory of 1984	1992	86a5da9ed37c702502d7b770e9b619a98bcd03bb99d1b6454a6f17d06c9220f8.exe	server.exe
PID 1992 wrote to memory of 1984	1992	86a5da9ed37c702502d7b770e9b619a98bcd03bb99d1b6454a6f17d06c9220f8.exe	server.exe
PID 1992 wrote to memory of 1984	1992	86a5da9ed37c702502d7b770e9b619a98bcd03bb99d1b6454a6f17d06c9220f8.exe	server.exe
PID 1992 wrote to memory of 1984	1992	86a5da9ed37c702502d7b770e9b619a98bcd03bb99d1b6454a6f17d06c9220f8.exe	server.exe
PID 1984 wrote to memory of 1324	1984	server.exe	netsh.exe
PID 1984 wrote to memory of 1324	1984	server.exe	netsh.exe
PID 1984 wrote to memory of 1324	1984	server.exe	netsh.exe
PID 1984 wrote to memory of 1324	1984	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\86a5da9ed37c702502d7b770e9b619a98bcd03bb99d1b6454a6f17d06c9220f8.exe
"C:\Users\Admin\AppData\Local\Temp\86a5da9ed37c702502d7b770e9b619a98bcd03bb99d1b6454a6f17d06c9220f8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1992
- 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:1984
- - 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:1324

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
24KB

MD5
66dad01dca0e7e7f3917ab5f89adc3b0

SHA1
e1e99c5cc8c899c61f7111445bb024692faaaaba

SHA256
86a5da9ed37c702502d7b770e9b619a98bcd03bb99d1b6454a6f17d06c9220f8

SHA512
fb996c9474ee40ef7e6717c66998f13fcf2db7a7dcb2df4c2d62834eef5a7a94d3f5f482d38f63b563afcafb7631946eef03e63784cbbfa820d8baa92e60b64f

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

Filesize
24KB

MD5
66dad01dca0e7e7f3917ab5f89adc3b0

SHA1
e1e99c5cc8c899c61f7111445bb024692faaaaba

SHA256
86a5da9ed37c702502d7b770e9b619a98bcd03bb99d1b6454a6f17d06c9220f8

SHA512
fb996c9474ee40ef7e6717c66998f13fcf2db7a7dcb2df4c2d62834eef5a7a94d3f5f482d38f63b563afcafb7631946eef03e63784cbbfa820d8baa92e60b64f

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

Filesize
24KB

MD5
66dad01dca0e7e7f3917ab5f89adc3b0

SHA1
e1e99c5cc8c899c61f7111445bb024692faaaaba

SHA256
86a5da9ed37c702502d7b770e9b619a98bcd03bb99d1b6454a6f17d06c9220f8

SHA512
fb996c9474ee40ef7e6717c66998f13fcf2db7a7dcb2df4c2d62834eef5a7a94d3f5f482d38f63b563afcafb7631946eef03e63784cbbfa820d8baa92e60b64f

Download Submit
memory/1324-63-0x0000000000000000-mapping.dmp

Download
memory/1984-57-0x0000000000000000-mapping.dmp

Download
memory/1984-62-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/1984-65-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/1992-54-0x0000000076141000-0x0000000076143000-memory.dmp

Filesize
8KB

Download
memory/1992-55-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/1992-61-0x0000000074840000-0x0000000074DEB000-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