njrat | 3cb22c29fad4b8369e7c77f5b7d7bf81941cbe57bc5df6fcadff39810234ee31

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
28/05/2023, 20:08

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General

Target

bMY4.exe
Size

23KB
MD5

6871449a52e2076a89a6c9279fb35475
SHA1

de600d1a6a97cd29bd977cd0db2bddfc2a403e63
SHA256

3cb22c29fad4b8369e7c77f5b7d7bf81941cbe57bc5df6fcadff39810234ee31
SHA512

f54d35b0c8d2978e074e9cd8bea8a63c866af5db49badf17f4b64ec60ddb044b5c571e1731de9673875510d859dce3443eec8cb7d10216073952c2a7852b9fea
SSDEEP

384:ocqbCK0l4h7o9SVyDGvENuh46/gJkOmMSW38mRvR6JZlbw8hqIusZzZVVJP:X30py6vhxaRpcnu2

Score

10^/10

njrat evasion trojan

Malware Config

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
2204	netsh.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1000	bMY4.exe
Token: 33	1000	bMY4.exe
Token: SeIncBasePriorityPrivilege	1000	bMY4.exe
Token: 33	1000	bMY4.exe
Token: SeIncBasePriorityPrivilege	1000	bMY4.exe
Token: 33	1000	bMY4.exe
Token: SeIncBasePriorityPrivilege	1000	bMY4.exe
Token: 33	1000	bMY4.exe
Token: SeIncBasePriorityPrivilege	1000	bMY4.exe
Token: 33	1000	bMY4.exe
Token: SeIncBasePriorityPrivilege	1000	bMY4.exe
Token: 33	1000	bMY4.exe
Token: SeIncBasePriorityPrivilege	1000	bMY4.exe
Token: 33	1000	bMY4.exe
Token: SeIncBasePriorityPrivilege	1000	bMY4.exe
Token: 33	1000	bMY4.exe
Token: SeIncBasePriorityPrivilege	1000	bMY4.exe
Token: 33	1000	bMY4.exe
Token: SeIncBasePriorityPrivilege	1000	bMY4.exe
Token: 33	1000	bMY4.exe
Token: SeIncBasePriorityPrivilege	1000	bMY4.exe
Token: 33	1000	bMY4.exe
Token: SeIncBasePriorityPrivilege	1000	bMY4.exe
Token: 33	1000	bMY4.exe
Token: SeIncBasePriorityPrivilege	1000	bMY4.exe
Token: 33	1000	bMY4.exe
Token: SeIncBasePriorityPrivilege	1000	bMY4.exe
Token: 33	1000	bMY4.exe
Token: SeIncBasePriorityPrivilege	1000	bMY4.exe
Token: 33	1000	bMY4.exe
Token: SeIncBasePriorityPrivilege	1000	bMY4.exe
Token: 33	1000	bMY4.exe
Token: SeIncBasePriorityPrivilege	1000	bMY4.exe
Token: 33	1000	bMY4.exe
Token: SeIncBasePriorityPrivilege	1000	bMY4.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1000 wrote to memory of 2204	1000	bMY4.exe	85
PID 1000 wrote to memory of 2204	1000	bMY4.exe	85
PID 1000 wrote to memory of 2204	1000	bMY4.exe	85

C:\Users\Admin\AppData\Local\Temp\bMY4.exe
"C:\Users\Admin\AppData\Local\Temp\bMY4.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1000
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\bMY4.exe" "bMY4.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  PID:2204

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Web Service

T1102

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

memory/1000-133-0x00000000010E0000-0x00000000010F0000-memory.dmp

Filesize
64KB

Download
memory/1000-134-0x00000000010E0000-0x00000000010F0000-memory.dmp

Filesize
64KB

Download
memory/1000-135-0x00000000010E0000-0x00000000010F0000-memory.dmp

Filesize
64KB

Download
memory/1000-136-0x00000000010E0000-0x00000000010F0000-memory.dmp

Filesize
64KB

Download