njrat | c84b5d5a9128bc706e2183174d2ac8aaeedda49600ca29cfc421a55c05b9cf61

General

Target

c84b5d5a9128bc706e2183174d2ac8aaeedda49600ca29cfc421a55c05b9cf61.exe
Size

119KB
MD5

af454620f79eede65c7b09603d3f579c
SHA1

01a591c3a88bacf7771290206e8688a078e381b1
SHA256

c84b5d5a9128bc706e2183174d2ac8aaeedda49600ca29cfc421a55c05b9cf61
SHA512

86e5b0f2f247a66009ae293aa2a470ea11bd6ace44403b9551e51d6a19181d9dae6385a5071306bdded12f5c5fd7d56fdaf0be13624d2527712d226cf38f789e
SSDEEP

3072:8ZhHgkuihetm9lIiDP1TWU/rTWpYn1FdvzmIxdwbECAjIxVWj9:8XH392igU//Wo1FRQbEJjIij9

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
3508	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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	c84b5d5a9128bc706e2183174d2ac8aaeedda49600ca29cfc421a55c05b9cf61.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	Encryptado.exe

Executes dropped EXE 2 IoCs

pid	Process
4708	Encryptado.exe
3264	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-1-5-21-4050598569-1597076380-177084960-1000\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	c84b5d5a9128bc706e2183174d2ac8aaeedda49600ca29cfc421a55c05b9cf61.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 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	3264	CCleaner.exe
Token: 33	3264	CCleaner.exe
Token: SeIncBasePriorityPrivilege	3264	CCleaner.exe
Token: 33	3264	CCleaner.exe
Token: SeIncBasePriorityPrivilege	3264	CCleaner.exe
Token: 33	3264	CCleaner.exe
Token: SeIncBasePriorityPrivilege	3264	CCleaner.exe
Token: 33	3264	CCleaner.exe
Token: SeIncBasePriorityPrivilege	3264	CCleaner.exe
Token: 33	3264	CCleaner.exe
Token: SeIncBasePriorityPrivilege	3264	CCleaner.exe
Token: 33	3264	CCleaner.exe
Token: SeIncBasePriorityPrivilege	3264	CCleaner.exe
Token: 33	3264	CCleaner.exe
Token: SeIncBasePriorityPrivilege	3264	CCleaner.exe
Token: 33	3264	CCleaner.exe
Token: SeIncBasePriorityPrivilege	3264	CCleaner.exe
Token: 33	3264	CCleaner.exe
Token: SeIncBasePriorityPrivilege	3264	CCleaner.exe
Token: 33	3264	CCleaner.exe
Token: SeIncBasePriorityPrivilege	3264	CCleaner.exe
Token: 33	3264	CCleaner.exe
Token: SeIncBasePriorityPrivilege	3264	CCleaner.exe
Token: 33	3264	CCleaner.exe
Token: SeIncBasePriorityPrivilege	3264	CCleaner.exe
Token: 33	3264	CCleaner.exe
Token: SeIncBasePriorityPrivilege	3264	CCleaner.exe
Token: 33	3264	CCleaner.exe
Token: SeIncBasePriorityPrivilege	3264	CCleaner.exe
Token: 33	3264	CCleaner.exe
Token: SeIncBasePriorityPrivilege	3264	CCleaner.exe
Token: 33	3264	CCleaner.exe
Token: SeIncBasePriorityPrivilege	3264	CCleaner.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 972 wrote to memory of 4708	972	c84b5d5a9128bc706e2183174d2ac8aaeedda49600ca29cfc421a55c05b9cf61.exe	82
PID 972 wrote to memory of 4708	972	c84b5d5a9128bc706e2183174d2ac8aaeedda49600ca29cfc421a55c05b9cf61.exe	82
PID 972 wrote to memory of 4708	972	c84b5d5a9128bc706e2183174d2ac8aaeedda49600ca29cfc421a55c05b9cf61.exe	82
PID 4708 wrote to memory of 3264	4708	Encryptado.exe	87
PID 4708 wrote to memory of 3264	4708	Encryptado.exe	87
PID 4708 wrote to memory of 3264	4708	Encryptado.exe	87
PID 3264 wrote to memory of 3508	3264	CCleaner.exe	91
PID 3264 wrote to memory of 3508	3264	CCleaner.exe	91
PID 3264 wrote to memory of 3508	3264	CCleaner.exe	91

C:\Users\Admin\AppData\Local\Temp\c84b5d5a9128bc706e2183174d2ac8aaeedda49600ca29cfc421a55c05b9cf61.exe
"C:\Users\Admin\AppData\Local\Temp\c84b5d5a9128bc706e2183174d2ac8aaeedda49600ca29cfc421a55c05b9cf61.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:972
- 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:4708
- - 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:3264
  - - 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:3508

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
295459d1551e7aa3c002e7bff37ac5f0

SHA1
32b73bb47ef2bb9c5fc41bbccb6776b542b5f171

SHA256
4ace7eeaa77510f8b2cc2203648312a5974bc037e7f49afd99c7551da43df56e

SHA512
d9a009a2dbe9d42557b8f6fa2308980377190e6ad3ade2b659601c2db6af424837d150f6aa91b987803b24b810314e6360c373b20f83943a8d9aad3fafc3d60f

Download Submit
memory/972-10-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/972-21-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/972-9-0x0000000007690000-0x00000000076E6000-memory.dmp

Filesize
344KB

Download
memory/972-4-0x0000000004B70000-0x0000000004B86000-memory.dmp

Filesize
88KB

Download
memory/972-5-0x00000000073D0000-0x000000000746C000-memory.dmp

Filesize
624KB

Download
memory/972-6-0x0000000007A20000-0x0000000007FC4000-memory.dmp

Filesize
5.6MB

Download
memory/972-7-0x0000000007470000-0x0000000007502000-memory.dmp

Filesize
584KB

Download
memory/972-8-0x0000000007390000-0x000000000739A000-memory.dmp

Filesize
40KB

Download
memory/972-3-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/972-2-0x0000000004AF0000-0x0000000004AFE000-memory.dmp

Filesize
56KB

Download
memory/972-0-0x000000007477E000-0x000000007477F000-memory.dmp

Filesize
4KB

Download
memory/972-1-0x0000000000200000-0x000000000021E000-memory.dmp

Filesize
120KB

Download
memory/3264-36-0x000000006F570000-0x000000006FB21000-memory.dmp

Filesize
5.7MB

Download
memory/3264-34-0x000000006F570000-0x000000006FB21000-memory.dmp

Filesize
5.7MB

Download
memory/3264-35-0x000000006F570000-0x000000006FB21000-memory.dmp

Filesize
5.7MB

Download
memory/4708-23-0x000000006F570000-0x000000006FB21000-memory.dmp

Filesize
5.7MB

Download
memory/4708-22-0x000000006F570000-0x000000006FB21000-memory.dmp

Filesize
5.7MB

Download
memory/4708-33-0x000000006F570000-0x000000006FB21000-memory.dmp

Filesize
5.7MB

Download
memory/4708-20-0x000000006F572000-0x000000006F573000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads