njrat | 739005ddcf4e566a01a2ec1dc3c35182c14d410b8945c072ddaf8d0af89bf2af

General

Target

739005ddcf4e566a01a2ec1dc3c35182c14d410b8945c072ddaf8d0af89bf2afN.exe
Size

119KB
MD5

caff93afd132a28e1bd4ab2cfb4b8560
SHA1

e7ee8d13f67782a01fd23116c63a5bff06993f0e
SHA256

739005ddcf4e566a01a2ec1dc3c35182c14d410b8945c072ddaf8d0af89bf2af
SHA512

4bacc59fffa80e17c758747cda7bb17ee832a800ea4ce253bccb1e4511f43422b2d10b0e752848d56c8da5fb6e1e560b3318ee6a518ca90f5212aa4d927c5f52
SSDEEP

3072:8ZhHgkuihetm9lIiDP1TWU/rTWpYn1FdvzmIxdwbECAjIxVWj/:8XH392igU//Wo1FRQbEJjIij/

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

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
2192	netsh.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	739005ddcf4e566a01a2ec1dc3c35182c14d410b8945c072ddaf8d0af89bf2afN.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	Encryptado.exe

Executes dropped EXE 2 IoCs

pid	Process
3536	Encryptado.exe
2876	CCleaner.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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\50c56171c4e59c7d0e806bb89afce844 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\CCleaner.exe\" .."	CCleaner.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\50c56171c4e59c7d0e806bb89afce844 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\CCleaner.exe\" .."	CCleaner.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\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	739005ddcf4e566a01a2ec1dc3c35182c14d410b8945c072ddaf8d0af89bf2afN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Encryptado.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CCleaner.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2876	CCleaner.exe
Token: 33	2876	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2876	CCleaner.exe
Token: 33	2876	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2876	CCleaner.exe
Token: 33	2876	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2876	CCleaner.exe
Token: 33	2876	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2876	CCleaner.exe
Token: 33	2876	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2876	CCleaner.exe
Token: 33	2876	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2876	CCleaner.exe
Token: 33	2876	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2876	CCleaner.exe
Token: 33	2876	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2876	CCleaner.exe
Token: 33	2876	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2876	CCleaner.exe
Token: 33	2876	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2876	CCleaner.exe
Token: 33	2876	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2876	CCleaner.exe
Token: 33	2876	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2876	CCleaner.exe
Token: 33	2876	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2876	CCleaner.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 3536	4264	739005ddcf4e566a01a2ec1dc3c35182c14d410b8945c072ddaf8d0af89bf2afN.exe	82
PID 4264 wrote to memory of 3536	4264	739005ddcf4e566a01a2ec1dc3c35182c14d410b8945c072ddaf8d0af89bf2afN.exe	82
PID 4264 wrote to memory of 3536	4264	739005ddcf4e566a01a2ec1dc3c35182c14d410b8945c072ddaf8d0af89bf2afN.exe	82
PID 3536 wrote to memory of 2876	3536	Encryptado.exe	87
PID 3536 wrote to memory of 2876	3536	Encryptado.exe	87
PID 3536 wrote to memory of 2876	3536	Encryptado.exe	87
PID 2876 wrote to memory of 2192	2876	CCleaner.exe	91
PID 2876 wrote to memory of 2192	2876	CCleaner.exe	91
PID 2876 wrote to memory of 2192	2876	CCleaner.exe	91

C:\Users\Admin\AppData\Local\Temp\739005ddcf4e566a01a2ec1dc3c35182c14d410b8945c072ddaf8d0af89bf2afN.exe
"C:\Users\Admin\AppData\Local\Temp\739005ddcf4e566a01a2ec1dc3c35182c14d410b8945c072ddaf8d0af89bf2afN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4264
- C:\Users\Admin\AppData\Local\Temp\Encryptado.exe
  "C:\Users\Admin\AppData\Local\Temp\Encryptado.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3536
- - C:\Users\Admin\AppData\Local\Temp\CCleaner.exe
    "C:\Users\Admin\AppData\Local\Temp\CCleaner.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2876
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\CCleaner.exe" "CCleaner.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2192

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Encryptado.exe

Filesize
23KB

MD5
f58160012fc4d8020a715a863eccf38c

SHA1
0bbf87929058755b44b5b62853db51d9b58ae491

SHA256
17abbf270d47965cc81f2ab200d015ca14f3d1d2a189744cb017f9452e7f610e

SHA512
bd6101c307f8c6a0c993aa173c0f596bd9d762a560b6f6e4f3f5700280ba2269f0340c006312ee40727a640790aa13ac12f2fe2341271866dcfb2535d4060c0a

Download Submit
memory/2876-36-0x000000006F3F0000-0x000000006F9A1000-memory.dmp

Filesize
5.7MB

Download
memory/2876-35-0x000000006F3F0000-0x000000006F9A1000-memory.dmp

Filesize
5.7MB

Download
memory/2876-33-0x000000006F3F0000-0x000000006F9A1000-memory.dmp

Filesize
5.7MB

Download
memory/3536-34-0x000000006F3F0000-0x000000006F9A1000-memory.dmp

Filesize
5.7MB

Download
memory/3536-23-0x000000006F3F0000-0x000000006F9A1000-memory.dmp

Filesize
5.7MB

Download
memory/3536-21-0x000000006F3F0000-0x000000006F9A1000-memory.dmp

Filesize
5.7MB

Download
memory/3536-19-0x000000006F3F2000-0x000000006F3F3000-memory.dmp

Filesize
4KB

Download
memory/4264-11-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4264-9-0x00000000080F0000-0x0000000008146000-memory.dmp

Filesize
344KB

Download
memory/4264-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/4264-8-0x0000000007EE0000-0x0000000007EEA000-memory.dmp

Filesize
40KB

Download
memory/4264-7-0x0000000007F60000-0x0000000007FF2000-memory.dmp

Filesize
584KB

Download
memory/4264-6-0x0000000008470000-0x0000000008A14000-memory.dmp

Filesize
5.6MB

Download
memory/4264-5-0x0000000007E20000-0x0000000007EBC000-memory.dmp

Filesize
624KB

Download
memory/4264-22-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4264-4-0x0000000005710000-0x0000000005726000-memory.dmp

Filesize
88KB

Download
memory/4264-3-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4264-2-0x0000000003030000-0x000000000303E000-memory.dmp

Filesize
56KB

Download
memory/4264-1-0x0000000000CA0000-0x0000000000CBE000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads