njrat | ad21777c9591c33b563a53115f9db9461899805dfe9c73a690463074fa9f12cf

General

Target

ad21777c9591c33b563a53115f9db9461899805dfe9c73a690463074fa9f12cfN.exe
Size

128KB
MD5

13c2a0a9fbc1649da8c50ce26b292440
SHA1

958b633948884bebdaaec097495954ea181b5702
SHA256

ad21777c9591c33b563a53115f9db9461899805dfe9c73a690463074fa9f12cf
SHA512

efa1527c3c14934124299cea35f6b7822c2cf4ec04d8872b275f4e68370618c6323095df58a403cbd4d61866f8f8c7997da13ef42ab40f7e1caf8b63c5254648
SSDEEP

3072:H42ScHsJXC/Uij87CW70PX9akYAMTxLkwJgt1aedys9jjYLde:Y2SdcJDak9YxLVgueXx

Score

10^/10

njrat vip@dump evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

VIP@DUMP

C2

volkatv500.sytes.net:999

Mutex

e0bb29bc288c4cac846ed6aff410e0c6

Attributes

reg_key
e0bb29bc288c4cac846ed6aff410e0c6
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2772	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e0bb29bc288c4cac846ed6aff410e0c6.exe	winhelp.bat
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e0bb29bc288c4cac846ed6aff410e0c6.exe	winhelp.bat

Executes dropped EXE 1 IoCs

pid	Process
2584	winhelp.bat

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\e0bb29bc288c4cac846ed6aff410e0c6 = "\"C:\\Users\\Admin\\AppData\\Roaming\\winhelp.bat\" .."	winhelp.bat
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e0bb29bc288c4cac846ed6aff410e0c6 = "\"C:\\Users\\Admin\\AppData\\Roaming\\winhelp.bat\" .."	winhelp.bat

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2584	winhelp.bat
Token: 33	2584	winhelp.bat
Token: SeIncBasePriorityPrivilege	2584	winhelp.bat
Token: 33	2584	winhelp.bat
Token: SeIncBasePriorityPrivilege	2584	winhelp.bat
Token: 33	2584	winhelp.bat
Token: SeIncBasePriorityPrivilege	2584	winhelp.bat
Token: 33	2584	winhelp.bat
Token: SeIncBasePriorityPrivilege	2584	winhelp.bat
Token: 33	2584	winhelp.bat
Token: SeIncBasePriorityPrivilege	2584	winhelp.bat
Token: 33	2584	winhelp.bat
Token: SeIncBasePriorityPrivilege	2584	winhelp.bat
Token: 33	2584	winhelp.bat
Token: SeIncBasePriorityPrivilege	2584	winhelp.bat
Token: 33	2584	winhelp.bat
Token: SeIncBasePriorityPrivilege	2584	winhelp.bat
Token: 33	2584	winhelp.bat
Token: SeIncBasePriorityPrivilege	2584	winhelp.bat
Token: 33	2584	winhelp.bat
Token: SeIncBasePriorityPrivilege	2584	winhelp.bat
Token: 33	2584	winhelp.bat
Token: SeIncBasePriorityPrivilege	2584	winhelp.bat
Token: 33	2584	winhelp.bat
Token: SeIncBasePriorityPrivilege	2584	winhelp.bat
Token: 33	2584	winhelp.bat
Token: SeIncBasePriorityPrivilege	2584	winhelp.bat

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2584	2532	ad21777c9591c33b563a53115f9db9461899805dfe9c73a690463074fa9f12cfN.exe	30
PID 2532 wrote to memory of 2584	2532	ad21777c9591c33b563a53115f9db9461899805dfe9c73a690463074fa9f12cfN.exe	30
PID 2532 wrote to memory of 2584	2532	ad21777c9591c33b563a53115f9db9461899805dfe9c73a690463074fa9f12cfN.exe	30
PID 2584 wrote to memory of 2772	2584	winhelp.bat	32
PID 2584 wrote to memory of 2772	2584	winhelp.bat	32
PID 2584 wrote to memory of 2772	2584	winhelp.bat	32

C:\Users\Admin\AppData\Local\Temp\ad21777c9591c33b563a53115f9db9461899805dfe9c73a690463074fa9f12cfN.exe
"C:\Users\Admin\AppData\Local\Temp\ad21777c9591c33b563a53115f9db9461899805dfe9c73a690463074fa9f12cfN.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Users\Admin\AppData\Roaming\winhelp.bat
  "C:\Users\Admin\AppData\Roaming\winhelp.bat"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2584
- - C:\Windows\system32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\winhelp.bat" "winhelp.bat" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:2772

Network

DNS

volkatv500.sytes.net

winhelp.bat

Remote address:

8.8.8.8:53

Request

volkatv500.sytes.net

IN A

Response

volkatv500.sytes.net

IN A

197.206.111.137
DNS

volkatv500.sytes.net

winhelp.bat

Remote address:

8.8.8.8:53

Request

volkatv500.sytes.net

IN A

Response

volkatv500.sytes.net

IN A

197.206.111.137

197.206.111.137:999

volkatv500.sytes.net

winhelp.bat

152 B
3
197.206.111.137:999

volkatv500.sytes.net

winhelp.bat

152 B
3
197.206.111.137:999

volkatv500.sytes.net

winhelp.bat

152 B
3
197.206.111.137:999

volkatv500.sytes.net

winhelp.bat

152 B
3
197.206.111.137:999

volkatv500.sytes.net

winhelp.bat

152 B
3

8.8.8.8:53

volkatv500.sytes.net

dns

winhelp.bat

66 B
82 B
1
1

DNS Request

volkatv500.sytes.net

DNS Response

197.206.111.137
8.8.8.8:53

volkatv500.sytes.net

dns

winhelp.bat

66 B
82 B
1
1

DNS Request

volkatv500.sytes.net

DNS Response

197.206.111.137

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

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\Roaming\winhelp.bat

Filesize
128KB

MD5
13c2a0a9fbc1649da8c50ce26b292440

SHA1
958b633948884bebdaaec097495954ea181b5702

SHA256
ad21777c9591c33b563a53115f9db9461899805dfe9c73a690463074fa9f12cf

SHA512
efa1527c3c14934124299cea35f6b7822c2cf4ec04d8872b275f4e68370618c6323095df58a403cbd4d61866f8f8c7997da13ef42ab40f7e1caf8b63c5254648

Download Submit
memory/2532-0-0x000007FEF5CAE000-0x000007FEF5CAF000-memory.dmp

Filesize
4KB

Download
memory/2532-1-0x000007FEF59F0000-0x000007FEF638D000-memory.dmp

Filesize
9.6MB

Download
memory/2532-2-0x00000000002B0000-0x00000000002BC000-memory.dmp

Filesize
48KB

Download
memory/2532-3-0x000007FEF59F0000-0x000007FEF638D000-memory.dmp

Filesize
9.6MB

Download
memory/2532-9-0x000007FEF59F0000-0x000007FEF638D000-memory.dmp

Filesize
9.6MB

Download
memory/2584-11-0x000007FEF59F0000-0x000007FEF638D000-memory.dmp

Filesize
9.6MB

Download
memory/2584-10-0x000007FEF59F0000-0x000007FEF638D000-memory.dmp

Filesize
9.6MB

Download
memory/2584-13-0x000007FEF59F0000-0x000007FEF638D000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

DNS Request

DNS Response

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

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