njrat | 3f330d95bd8bf7c71809189a1aa5285fea9d63fc7d193cda4b827e04bfa16bb3

General

Target

3b293d74827ff906a5ca3a4e4439e98f_JaffaCakes118.vbs
Size

188KB
MD5

3b293d74827ff906a5ca3a4e4439e98f
SHA1

76d14a79e2be1543ab79873e7b87f0deee8aad17
SHA256

3f330d95bd8bf7c71809189a1aa5285fea9d63fc7d193cda4b827e04bfa16bb3
SHA512

255295a70314398b0b96d4408f0606d385773accd0d5811cb697ff4f80b58c15f600ef9f18e17b09edfab9879541e6104fc759343cd36e1ed609899598a62d8a
SSDEEP

3072:GJOgUyL6Msee8JZo34CTmlXbvMnSIRLMH8eOtWejCOGXeAYgFwnHBKLg209BY:GFXO8JZi4CTmlXbUn3FuODCRXeUwKG6

Score

10^/10

njrat |erica|discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

|Erica|

C2

drpc.duckdns.org:1414

Mutex

48d74fcafbfa01ee33743b0d0ea39495

Attributes

reg_key
48d74fcafbfa01ee33743b0d0ea39495
splitter
TOP

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
2452	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\google.vbs.vbs	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\google.vbs.vbs	WSCRIPT.EXE

Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
persistence privilege_escalation

Component Object Model Hijacking
T1546.015

Loads dropped DLL 2 IoCs

pid	Process
2732	regsvr32.exe
2376	WSCRIPT.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\google.vbs = "WScript.exe //b //e:vbscript \"C:\\Users\\Admin\\AppData\\Local\\Temp\\google.vbs\""	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\google.vbs = "WScript.exe //b //e:vbscript \"C:\\Users\\Admin\\AppData\\Local\\Temp\\google.vbs\""	WSCRIPT.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2376 set thread context of 2796	2376	WSCRIPT.EXE	33

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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	MSBUILD.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WSCRIPT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 8 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Wow6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Wow6432Node\CLSID\{89565275-A714-4a43-912E-978B935EDCCC}	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Wow6432Node\CLSID\{89565275-A714-4a43-912E-978B935EDCCC}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\google.vbs.BIN"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\DynamicWrapperX\CLSID	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\DynamicWrapperX	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\DynamicWrapperX\CLSID\ = "{89565275-A714-4a43-912E-978B935EDCCC}"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Wow6432Node\CLSID\{89565275-A714-4a43-912E-978B935EDCCC}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\Wow6432Node	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2796	MSBUILD.EXE
Token: 33	2796	MSBUILD.EXE
Token: SeIncBasePriorityPrivilege	2796	MSBUILD.EXE
Token: 33	2796	MSBUILD.EXE
Token: SeIncBasePriorityPrivilege	2796	MSBUILD.EXE
Token: 33	2796	MSBUILD.EXE
Token: SeIncBasePriorityPrivilege	2796	MSBUILD.EXE
Token: 33	2796	MSBUILD.EXE
Token: SeIncBasePriorityPrivilege	2796	MSBUILD.EXE
Token: 33	2796	MSBUILD.EXE
Token: SeIncBasePriorityPrivilege	2796	MSBUILD.EXE
Token: 33	2796	MSBUILD.EXE
Token: SeIncBasePriorityPrivilege	2796	MSBUILD.EXE
Token: 33	2796	MSBUILD.EXE
Token: SeIncBasePriorityPrivilege	2796	MSBUILD.EXE
Token: 33	2796	MSBUILD.EXE
Token: SeIncBasePriorityPrivilege	2796	MSBUILD.EXE
Token: 33	2796	MSBUILD.EXE
Token: SeIncBasePriorityPrivilege	2796	MSBUILD.EXE
Token: 33	2796	MSBUILD.EXE
Token: SeIncBasePriorityPrivilege	2796	MSBUILD.EXE
Token: 33	2796	MSBUILD.EXE
Token: SeIncBasePriorityPrivilege	2796	MSBUILD.EXE
Token: 33	2796	MSBUILD.EXE
Token: SeIncBasePriorityPrivilege	2796	MSBUILD.EXE
Token: 33	2796	MSBUILD.EXE
Token: SeIncBasePriorityPrivilege	2796	MSBUILD.EXE
Token: 33	2796	MSBUILD.EXE
Token: SeIncBasePriorityPrivilege	2796	MSBUILD.EXE
Token: 33	2796	MSBUILD.EXE
Token: SeIncBasePriorityPrivilege	2796	MSBUILD.EXE
Token: 33	2796	MSBUILD.EXE
Token: SeIncBasePriorityPrivilege	2796	MSBUILD.EXE
Token: 33	2796	MSBUILD.EXE
Token: SeIncBasePriorityPrivilege	2796	MSBUILD.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 2376	1680	WScript.exe	31
PID 1680 wrote to memory of 2376	1680	WScript.exe	31
PID 1680 wrote to memory of 2376	1680	WScript.exe	31
PID 1680 wrote to memory of 2376	1680	WScript.exe	31
PID 2376 wrote to memory of 2732	2376	WSCRIPT.EXE	32
PID 2376 wrote to memory of 2732	2376	WSCRIPT.EXE	32
PID 2376 wrote to memory of 2732	2376	WSCRIPT.EXE	32
PID 2376 wrote to memory of 2732	2376	WSCRIPT.EXE	32
PID 2376 wrote to memory of 2732	2376	WSCRIPT.EXE	32
PID 2376 wrote to memory of 2732	2376	WSCRIPT.EXE	32
PID 2376 wrote to memory of 2732	2376	WSCRIPT.EXE	32
PID 2376 wrote to memory of 2796	2376	WSCRIPT.EXE	33
PID 2376 wrote to memory of 2796	2376	WSCRIPT.EXE	33
PID 2376 wrote to memory of 2796	2376	WSCRIPT.EXE	33
PID 2376 wrote to memory of 2796	2376	WSCRIPT.EXE	33
PID 2376 wrote to memory of 2796	2376	WSCRIPT.EXE	33
PID 2376 wrote to memory of 2796	2376	WSCRIPT.EXE	33
PID 2796 wrote to memory of 2452	2796	MSBUILD.EXE	34
PID 2796 wrote to memory of 2452	2796	MSBUILD.EXE	34
PID 2796 wrote to memory of 2452	2796	MSBUILD.EXE	34
PID 2796 wrote to memory of 2452	2796	MSBUILD.EXE	34

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\3b293d74827ff906a5ca3a4e4439e98f_JaffaCakes118.vbs"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\SYSWOW64\WSCRIPT.EXE
  "C:\Windows\SYSWOW64\WSCRIPT.EXE" //b //e:vbscript "C:\Users\Admin\AppData\Local\Temp\3b293d74827ff906a5ca3a4e4439e98f_JaffaCakes118.vbs"
  2⤵
  - Drops startup file
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2376
- - C:\Windows\SysWOW64\regsvr32.exe
    "C:\Windows\System32\regsvr32.exe" /I /S "C:\Users\Admin\AppData\Local\Temp\google.vbs.BIN"
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    PID:2732
- - C:\Windows\MICROSOFT.NET\FRAMEWORK\V2.0.50727\MSBUILD.EXE
    "C:\Windows\MICROSOFT.NET\FRAMEWORK\V2.0.50727\MSBUILD.EXE"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2796
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Windows\MICROSOFT.NET\FRAMEWORK\V2.0.50727\MSBUILD.EXE" "MSBUILD.EXE" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2452

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

2

T1546

Component Object Model Hijacking

1

T1546.015

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

2

T1546

Component Object Model Hijacking

1

T1546.015

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

C:\Users\Admin\AppData\Local\Temp\google.vbs

Filesize
188KB

MD5
fb0f6db67e691b2f4b13aa59597e18fa

SHA1
d0ed79a50039b35b19a667b749fe0feac3855b5f

SHA256
bb81a8a695c0843862246fcf8b10ced8e40c306005bcbc3a67bce253e911770a

SHA512
0254ffeef5948caf8b0af4badc57b229977afdae5c33b14a79b469e6ca8e0342f0a0d64c022039f5d496b5d80cb6a8b8cf9b0d3788075aebb60eae7f98d1922e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\google.vbs.vbs

Filesize
188KB

MD5
7c86ad9a69edc7ffe142d659f23cd694

SHA1
4e8c9424b909d9e1f35efac53c755f62336e973e

SHA256
a00cfc9d89dfc5373d2cadafa5a3649bad60a3b7dff76421d10fb0fcd600181f

SHA512
af136a510854aea97ac91586d58a148ac2689e728f7fcad8dc9e1504e06b2ee3e2e913f73a4021cb0489f7b3765b64e423d5ae9cb7dfa76c8f98a1610ee92bb2

Download Submit
\Users\Admin\AppData\Local\Temp\google.vbs.BIN

Filesize
13KB

MD5
e0b8dfd17b8e7de760b273d18e58b142

SHA1
801509fb6783c9e57edc67a72dde3c62080ffbaf

SHA256
4ef3a6703abc6b2b8e2cac3031c1e5b86fe8b377fde92737349ee52bd2604379

SHA512
443359da27b3c87e81ae4f4b9a2ab7e7bf6abfa93551fc62347a0b79b36d79635131abc14d4deddab3ace12fdf973496518f67e1be8dc4903b35fd465835556b

Download Submit
memory/2376-10-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download
memory/2796-11-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2796-14-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2796-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2796-18-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2796-16-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads