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 hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

zayn2014.no-ip.org:5552

Mutex

50c56171c4e59c7d0e806bb89afce844

Attributes

reg_key
50c56171c4e59c7d0e806bb89afce844
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
2644	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2148	Encryptado.exe
2768	CCleaner.exe

Loads dropped DLL 2 IoCs

pid	Process
3028	c84b5d5a9128bc706e2183174d2ac8aaeedda49600ca29cfc421a55c05b9cf61.exe
2148	Encryptado.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\50c56171c4e59c7d0e806bb89afce844 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\CCleaner.exe\" .."	CCleaner.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\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 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2768	CCleaner.exe
Token: 33	2768	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2768	CCleaner.exe
Token: 33	2768	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2768	CCleaner.exe
Token: 33	2768	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2768	CCleaner.exe
Token: 33	2768	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2768	CCleaner.exe
Token: 33	2768	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2768	CCleaner.exe
Token: 33	2768	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2768	CCleaner.exe
Token: 33	2768	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2768	CCleaner.exe
Token: 33	2768	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2768	CCleaner.exe
Token: 33	2768	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2768	CCleaner.exe
Token: 33	2768	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2768	CCleaner.exe
Token: 33	2768	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2768	CCleaner.exe
Token: 33	2768	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2768	CCleaner.exe
Token: 33	2768	CCleaner.exe
Token: SeIncBasePriorityPrivilege	2768	CCleaner.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2148	3028	c84b5d5a9128bc706e2183174d2ac8aaeedda49600ca29cfc421a55c05b9cf61.exe	30
PID 3028 wrote to memory of 2148	3028	c84b5d5a9128bc706e2183174d2ac8aaeedda49600ca29cfc421a55c05b9cf61.exe	30
PID 3028 wrote to memory of 2148	3028	c84b5d5a9128bc706e2183174d2ac8aaeedda49600ca29cfc421a55c05b9cf61.exe	30
PID 3028 wrote to memory of 2148	3028	c84b5d5a9128bc706e2183174d2ac8aaeedda49600ca29cfc421a55c05b9cf61.exe	30
PID 2148 wrote to memory of 2768	2148	Encryptado.exe	31
PID 2148 wrote to memory of 2768	2148	Encryptado.exe	31
PID 2148 wrote to memory of 2768	2148	Encryptado.exe	31
PID 2148 wrote to memory of 2768	2148	Encryptado.exe	31
PID 2768 wrote to memory of 2644	2768	CCleaner.exe	32
PID 2768 wrote to memory of 2644	2768	CCleaner.exe	32
PID 2768 wrote to memory of 2644	2768	CCleaner.exe	32
PID 2768 wrote to memory of 2644	2768	CCleaner.exe	32

C:\Users\Admin\AppData\Local\Temp\c84b5d5a9128bc706e2183174d2ac8aaeedda49600ca29cfc421a55c05b9cf61.exe
"C:\Users\Admin\AppData\Local\Temp\c84b5d5a9128bc706e2183174d2ac8aaeedda49600ca29cfc421a55c05b9cf61.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Users\Admin\AppData\Local\Temp\Encryptado.exe
  "C:\Users\Admin\AppData\Local\Temp\Encryptado.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2148
- - 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:2768
  - - 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:2644

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

System Information Discovery

1

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

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

Filesize
23KB

MD5
295459d1551e7aa3c002e7bff37ac5f0

SHA1
32b73bb47ef2bb9c5fc41bbccb6776b542b5f171

SHA256
4ace7eeaa77510f8b2cc2203648312a5974bc037e7f49afd99c7551da43df56e

SHA512
d9a009a2dbe9d42557b8f6fa2308980377190e6ad3ade2b659601c2db6af424837d150f6aa91b987803b24b810314e6360c373b20f83943a8d9aad3fafc3d60f

Download Submit
memory/2148-25-0x000000006E070000-0x000000006E61B000-memory.dmp

Filesize
5.7MB

Download
memory/2148-17-0x000000006E070000-0x000000006E61B000-memory.dmp

Filesize
5.7MB

Download
memory/2148-16-0x000000006E070000-0x000000006E61B000-memory.dmp

Filesize
5.7MB

Download
memory/2148-15-0x000000006E071000-0x000000006E072000-memory.dmp

Filesize
4KB

Download
memory/3028-3-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download
memory/3028-7-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download
memory/3028-6-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download
memory/3028-14-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download
memory/3028-4-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3028-0-0x0000000073F9E000-0x0000000073F9F000-memory.dmp

Filesize
4KB

Download
memory/3028-2-0x00000000001E0000-0x00000000001EE000-memory.dmp

Filesize
56KB

Download
memory/3028-1-0x00000000012E0000-0x00000000012FE000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads