njrat | 440c7be71cbf8ccdea42449f4b0fa4aeef078b59b17fc95851ba0544ab1a577a

General

Target

440C7BE71CBF8CCDEA42449F4B0FA4AEEF078B59B17FC.exe
Size

31KB
MD5

14874a9249876def878e006ca55ef5e5
SHA1

82839c360cee6b8cee93297231d7f98d976fb65f
SHA256

440c7be71cbf8ccdea42449f4b0fa4aeef078b59b17fc95851ba0544ab1a577a
SHA512

70f441ec37dc3bb32a84d8c838225aa67ac4205907ee87bd377e4f1cbdcb256d61182ee2a6dcee28f1910dddbbebc12c4c476a7f206e335a1d9c4a855198bac9
SSDEEP

768:oN8p5d5rLmzxBuJJKye8nu4LPv67QmIDUu0tibSj:zvKO+4jwQVkLj

Score

10^/10

njrat system evasion trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

system

C2

147.50.253.241:6522

Mutex

e4d8b898672502b9751c26f7a748bd76

Attributes

reg_key
e4d8b898672502b9751c26f7a748bd76
splitter
Y262SUCZ4UJJ

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Processes:

netsh.exe

pid process

1644 netsh.exe
Executes dropped EXE 1 IoCs

Processes:

system.exe

pid process

5044 system.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1644	netsh.exe

pid	process
5044	system.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes:

system.exe

description	pid	process
Token: SeDebugPrivilege	5044	system.exe
Token: 33	5044	system.exe
Token: SeIncBasePriorityPrivilege	5044	system.exe
Token: 33	5044	system.exe
Token: SeIncBasePriorityPrivilege	5044	system.exe
Token: 33	5044	system.exe
Token: SeIncBasePriorityPrivilege	5044	system.exe
Token: 33	5044	system.exe
Token: SeIncBasePriorityPrivilege	5044	system.exe
Token: 33	5044	system.exe
Token: SeIncBasePriorityPrivilege	5044	system.exe
Token: 33	5044	system.exe
Token: SeIncBasePriorityPrivilege	5044	system.exe
Token: 33	5044	system.exe
Token: SeIncBasePriorityPrivilege	5044	system.exe
Token: 33	5044	system.exe
Token: SeIncBasePriorityPrivilege	5044	system.exe
Token: 33	5044	system.exe
Token: SeIncBasePriorityPrivilege	5044	system.exe
Token: 33	5044	system.exe
Token: SeIncBasePriorityPrivilege	5044	system.exe
Token: 33	5044	system.exe
Token: SeIncBasePriorityPrivilege	5044	system.exe
Token: 33	5044	system.exe
Token: SeIncBasePriorityPrivilege	5044	system.exe
Token: 33	5044	system.exe
Token: SeIncBasePriorityPrivilege	5044	system.exe
Token: 33	5044	system.exe
Token: SeIncBasePriorityPrivilege	5044	system.exe
Token: 33	5044	system.exe
Token: SeIncBasePriorityPrivilege	5044	system.exe
Token: 33	5044	system.exe
Token: SeIncBasePriorityPrivilege	5044	system.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

440C7BE71CBF8CCDEA42449F4B0FA4AEEF078B59B17FC.exesystem.exe

description	pid	process	target process
PID 2804 wrote to memory of 5044	2804	440C7BE71CBF8CCDEA42449F4B0FA4AEEF078B59B17FC.exe	system.exe
PID 2804 wrote to memory of 5044	2804	440C7BE71CBF8CCDEA42449F4B0FA4AEEF078B59B17FC.exe	system.exe
PID 2804 wrote to memory of 5044	2804	440C7BE71CBF8CCDEA42449F4B0FA4AEEF078B59B17FC.exe	system.exe
PID 5044 wrote to memory of 1644	5044	system.exe	netsh.exe
PID 5044 wrote to memory of 1644	5044	system.exe	netsh.exe
PID 5044 wrote to memory of 1644	5044	system.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\440C7BE71CBF8CCDEA42449F4B0FA4AEEF078B59B17FC.exe
"C:\Users\Admin\AppData\Local\Temp\440C7BE71CBF8CCDEA42449F4B0FA4AEEF078B59B17FC.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2804

C:\Users\Admin\AppData\Local\Temp\system.exe
"C:\Users\Admin\AppData\Local\Temp\system.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5044

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\system.exe" "system.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1644

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\system.exe
Filesize
31KB

MD5
14874a9249876def878e006ca55ef5e5

SHA1
82839c360cee6b8cee93297231d7f98d976fb65f

SHA256
440c7be71cbf8ccdea42449f4b0fa4aeef078b59b17fc95851ba0544ab1a577a

SHA512
70f441ec37dc3bb32a84d8c838225aa67ac4205907ee87bd377e4f1cbdcb256d61182ee2a6dcee28f1910dddbbebc12c4c476a7f206e335a1d9c4a855198bac9

Download Submit
C:\Users\Admin\AppData\Local\Temp\system.exe
Filesize
31KB

MD5
14874a9249876def878e006ca55ef5e5

SHA1
82839c360cee6b8cee93297231d7f98d976fb65f

SHA256
440c7be71cbf8ccdea42449f4b0fa4aeef078b59b17fc95851ba0544ab1a577a

SHA512
70f441ec37dc3bb32a84d8c838225aa67ac4205907ee87bd377e4f1cbdcb256d61182ee2a6dcee28f1910dddbbebc12c4c476a7f206e335a1d9c4a855198bac9

Download Submit
C:\Users\Admin\AppData\Local\Temp\system.exe
Filesize
31KB

MD5
14874a9249876def878e006ca55ef5e5

SHA1
82839c360cee6b8cee93297231d7f98d976fb65f

SHA256
440c7be71cbf8ccdea42449f4b0fa4aeef078b59b17fc95851ba0544ab1a577a

SHA512
70f441ec37dc3bb32a84d8c838225aa67ac4205907ee87bd377e4f1cbdcb256d61182ee2a6dcee28f1910dddbbebc12c4c476a7f206e335a1d9c4a855198bac9

Download Submit
memory/2804-12-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/2804-2-0x0000000000E70000-0x0000000000E80000-memory.dmp

Filesize
64KB

Download
memory/2804-1-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/2804-0-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/2804-13-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/5044-14-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/5044-15-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/5044-16-0x0000000001160000-0x0000000001170000-memory.dmp

Filesize
64KB

Download
memory/5044-17-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/5044-18-0x0000000001160000-0x0000000001170000-memory.dmp

Filesize
64KB

Download

Analysis

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