njrat | af5283158b38b61c96c3e50aac904c0b202df9b651cbdadfd8dd3d55e1bde94e

General

Target

af5283158b38b61c96c3e50aac904c0b202df9b651cbdadfd8dd3d55e1bde94e.exe
Size

102KB
MD5

24195853ff2e9a4d421d1c77cc86c5b1
SHA1

c00af4632d37f2a4d5198eff0bb08f5d7478632f
SHA256

af5283158b38b61c96c3e50aac904c0b202df9b651cbdadfd8dd3d55e1bde94e
SHA512

dedeb06f18c6306fc069e9e722e037606aa39200c1196bff20ce894ab4b12ca70367e7f7cd66d91a9353c8844ac774965f1d676c5e0f15945a7e4c2783bc8380
SSDEEP

3072:0C3MFMCcB/tldVNFa1Vt05DHlFi2h7d8vCCYvyi:0C86CcB/tldVNFax+Di2hxIdCn

Score

10^/10

njrat douda evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

douda

C2

love2014.ddns.net:5584

Mutex

77ee8a49b5a8f18159dc862b4f0bcfb0

Attributes

reg_key
77ee8a49b5a8f18159dc862b4f0bcfb0
splitter
|'|'|

Signatures

Njrat family
njrat
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
1824	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	af5283158b38b61c96c3e50aac904c0b202df9b651cbdadfd8dd3d55e1bde94e.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\77ee8a49b5a8f18159dc862b4f0bcfb0.exe	LMS.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\77ee8a49b5a8f18159dc862b4f0bcfb0.exe	LMS.exe

Executes dropped EXE 1 IoCs

pid	Process
2192	LMS.exe

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\77ee8a49b5a8f18159dc862b4f0bcfb0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\LMS.exe\" .."	LMS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\77ee8a49b5a8f18159dc862b4f0bcfb0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\LMS.exe\" .."	LMS.exe

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 14 IoCs

description	pid	Process
Token: SeDebugPrivilege	1044	af5283158b38b61c96c3e50aac904c0b202df9b651cbdadfd8dd3d55e1bde94e.exe
Token: SeDebugPrivilege	2192	LMS.exe
Token: 33	2192	LMS.exe
Token: SeIncBasePriorityPrivilege	2192	LMS.exe
Token: 33	2192	LMS.exe
Token: SeIncBasePriorityPrivilege	2192	LMS.exe
Token: 33	2192	LMS.exe
Token: SeIncBasePriorityPrivilege	2192	LMS.exe
Token: 33	2192	LMS.exe
Token: SeIncBasePriorityPrivilege	2192	LMS.exe
Token: 33	2192	LMS.exe
Token: SeIncBasePriorityPrivilege	2192	LMS.exe
Token: 33	2192	LMS.exe
Token: SeIncBasePriorityPrivilege	2192	LMS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 2192	1044	af5283158b38b61c96c3e50aac904c0b202df9b651cbdadfd8dd3d55e1bde94e.exe	91
PID 1044 wrote to memory of 2192	1044	af5283158b38b61c96c3e50aac904c0b202df9b651cbdadfd8dd3d55e1bde94e.exe	91
PID 2192 wrote to memory of 1824	2192	LMS.exe	92
PID 2192 wrote to memory of 1824	2192	LMS.exe	92

C:\Users\Admin\AppData\Local\Temp\af5283158b38b61c96c3e50aac904c0b202df9b651cbdadfd8dd3d55e1bde94e.exe
"C:\Users\Admin\AppData\Local\Temp\af5283158b38b61c96c3e50aac904c0b202df9b651cbdadfd8dd3d55e1bde94e.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Users\Admin\AppData\Roaming\LMS.exe
  "C:\Users\Admin\AppData\Roaming\LMS.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2192
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\LMS.exe" "LMS.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:1824

Network

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\LMS.exe

Filesize
102KB

MD5
24195853ff2e9a4d421d1c77cc86c5b1

SHA1
c00af4632d37f2a4d5198eff0bb08f5d7478632f

SHA256
af5283158b38b61c96c3e50aac904c0b202df9b651cbdadfd8dd3d55e1bde94e

SHA512
dedeb06f18c6306fc069e9e722e037606aa39200c1196bff20ce894ab4b12ca70367e7f7cd66d91a9353c8844ac774965f1d676c5e0f15945a7e4c2783bc8380

Download Submit
memory/1044-4-0x00007FF82C225000-0x00007FF82C226000-memory.dmp

Filesize
4KB

Download
memory/1044-5-0x00007FF82BF70000-0x00007FF82C911000-memory.dmp

Filesize
9.6MB

Download
memory/1044-1-0x00007FF82BF70000-0x00007FF82C911000-memory.dmp

Filesize
9.6MB

Download
memory/1044-0-0x00007FF82C225000-0x00007FF82C226000-memory.dmp

Filesize
4KB

Download
memory/1044-21-0x00007FF82BF70000-0x00007FF82C911000-memory.dmp

Filesize
9.6MB

Download
memory/1044-6-0x0000000000A60000-0x0000000000A6C000-memory.dmp

Filesize
48KB

Download
memory/1044-7-0x000000001C250000-0x000000001C71E000-memory.dmp

Filesize
4.8MB

Download
memory/1044-2-0x00007FF82BF70000-0x00007FF82C911000-memory.dmp

Filesize
9.6MB

Download
memory/1044-3-0x000000001B0A0000-0x000000001B146000-memory.dmp

Filesize
664KB

Download
memory/2192-23-0x00007FF82BF70000-0x00007FF82C911000-memory.dmp

Filesize
9.6MB

Download
memory/2192-20-0x00007FF82BF70000-0x00007FF82C911000-memory.dmp

Filesize
9.6MB

Download
memory/2192-22-0x00007FF82BF70000-0x00007FF82C911000-memory.dmp

Filesize
9.6MB

Download
memory/2192-24-0x00007FF82BF70000-0x00007FF82C911000-memory.dmp

Filesize
9.6MB

Download
memory/2192-26-0x000000001CBD0000-0x000000001CC6C000-memory.dmp

Filesize
624KB

Download
memory/2192-27-0x000000001BDF0000-0x000000001BDF8000-memory.dmp

Filesize
32KB

Download
memory/2192-28-0x00007FF82BF70000-0x00007FF82C911000-memory.dmp

Filesize
9.6MB

Download
memory/2192-29-0x00007FF82BF70000-0x00007FF82C911000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads