njrat | 2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
03/05/2024, 01:14

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General

Target
2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Size 67KB
Sample240503-bl6nasdd57
SHA256 2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4
MD5 97d72efbb1f6fea3f158b136c330689d
SHA1 43c884250ed032ced44d72d932518e831a34161d
SHA512 a9937e30d19ebf33ebe4c20792f7499e79996f06b5e3bc6f28d506ba4440640ebc923d424184007f2f111c3706876c029f6d4e41d5ed144c2b8e666b32689596
SSDEEP 1536:uuKlhoxbyGiiKkTvTiCUU8b+a1fJ3l4fLU2cjdFZPvf9G95T8KCc4:NKOyGxKIiCV8aa1fJV4zMF54ra
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat victim evasion execution trojan

Malware Config

Extracted

Family

njrat

Version

<- NjRAT 0.7d Horror Edition ->

Botnet

Victim

0.tcp.eu.ngrok.io:18350

Mutex

f2d4732908d59805d830a49d36974ac0

Attributes

reg_key
f2d4732908d59805d830a49d36974ac0
splitter
Y262SUCZ4UJJ

Signatures

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

Detects executables (downlaoders) containing URLs to raw contents of a paste 1 IoCs

resource	yara_rule
behavioral2/memory/4464-3-0x000000001B0D0000-0x000000001B0EC000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawPaste_URL

Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service

T1102

flow	ioc
128	0.tcp.eu.ngrok.io
21	pastebin.com
22	pastebin.com
24	0.tcp.eu.ngrok.io
87	0.tcp.eu.ngrok.io

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1696	sc.exe
3856	sc.exe
4152	sc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2596	powershell.exe
2596	powershell.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: SeDebugPrivilege	2596	powershell.exe
Token: SeDebugPrivilege	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: 33	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: SeIncBasePriorityPrivilege	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: 33	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: SeIncBasePriorityPrivilege	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: 33	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: SeIncBasePriorityPrivilege	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: 33	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: SeIncBasePriorityPrivilege	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: 33	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: SeIncBasePriorityPrivilege	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: 33	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: SeIncBasePriorityPrivilege	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: 33	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: SeIncBasePriorityPrivilege	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: 33	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: SeIncBasePriorityPrivilege	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: 33	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: SeIncBasePriorityPrivilege	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: 33	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: SeIncBasePriorityPrivilege	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: 33	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: SeIncBasePriorityPrivilege	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: 33	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: SeIncBasePriorityPrivilege	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: 33	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: SeIncBasePriorityPrivilege	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: 33	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: SeIncBasePriorityPrivilege	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: 33	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: SeIncBasePriorityPrivilege	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: 33	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: SeIncBasePriorityPrivilege	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: 33	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
Token: SeIncBasePriorityPrivilege	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 1760	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe	87
PID 4464 wrote to memory of 1760	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe	87
PID 1760 wrote to memory of 2596	1760	cmd.exe	89
PID 1760 wrote to memory of 2596	1760	cmd.exe	89
PID 4464 wrote to memory of 1144	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe	90
PID 4464 wrote to memory of 1144	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe	90
PID 1144 wrote to memory of 1696	1144	cmd.exe	94
PID 1144 wrote to memory of 1696	1144	cmd.exe	94
PID 4464 wrote to memory of 3684	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe	95
PID 4464 wrote to memory of 3684	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe	95
PID 3684 wrote to memory of 3856	3684	cmd.exe	97
PID 3684 wrote to memory of 3856	3684	cmd.exe	97
PID 4464 wrote to memory of 4748	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe	98
PID 4464 wrote to memory of 4748	4464	2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe	98
PID 4748 wrote to memory of 4152	4748	cmd.exe	100
PID 4748 wrote to memory of 4152	4748	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe
"C:\Users\Admin\AppData\Local\Temp\2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4464
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1760
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell Set-MpPreference -DisableRealtimeMonitoring $true
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2596
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c sc query windefend
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1144
- - C:\Windows\system32\sc.exe
    sc query windefend
    3⤵
    - Launches sc.exe
    PID:1696
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c sc stop windefend
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3684
- - C:\Windows\system32\sc.exe
    sc stop windefend
    3⤵
    - Launches sc.exe
    PID:3856
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c sc delete windefend
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4748
- - C:\Windows\system32\sc.exe
    sc delete windefend
    3⤵
    - Launches sc.exe
    PID:4152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

__PSScriptPolicyTest_m00jznhw.51z.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_m00jznhw.51z.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/2596-6-0x00007FFBA3533000-0x00007FFBA3535000-memory.dmp

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memory/2596-21-0x00007FFBA3530000-0x00007FFBA3FF1000-memory.dmp

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memory/2596-18-0x00007FFBA3530000-0x00007FFBA3FF1000-memory.dmp

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memory/2596-17-0x00007FFBA3530000-0x00007FFBA3FF1000-memory.dmp

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memory/2596-12-0x000001FB9F530000-0x000001FB9F552000-memory.dmp

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memory/4464-4-0x000000001B1A0000-0x000000001B246000-memory.dmp

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memory/4464-5-0x00007FFBA6980000-0x00007FFBA7321000-memory.dmp

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memory/4464-0-0x00007FFBA6C35000-0x00007FFBA6C36000-memory.dmp

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memory/4464-3-0x000000001B0D0000-0x000000001B0EC000-memory.dmp

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memory/4464-2-0x00007FFBA6980000-0x00007FFBA7321000-memory.dmp

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memory/4464-1-0x000000001B740000-0x000000001BC0E000-memory.dmp

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memory/4464-22-0x000000001CB60000-0x000000001CBFC000-memory.dmp

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memory/4464-23-0x00000000009A0000-0x00000000009A8000-memory.dmp

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memory/4464-24-0x000000001CE70000-0x000000001CED2000-memory.dmp

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memory/4464-25-0x000000001D3F0000-0x000000001D409000-memory.dmp

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memory/4464-26-0x00007FFBA6980000-0x00007FFBA7321000-memory.dmp

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memory/4464-27-0x00007FFBA6C35000-0x00007FFBA6C36000-memory.dmp

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memory/4464-28-0x00007FFBA6980000-0x00007FFBA7321000-memory.dmp

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