njrat | b3d6016638d6996c1fc4bd69e419f8377567ace1a402d2ec7d80ff2a0a2c0ddf

General

Target

6ca87f8ecae520a59f97e3459e20de0a_JaffaCakes118.exe
Size

66KB
MD5

6ca87f8ecae520a59f97e3459e20de0a
SHA1

ef807ade5750202bfffa5c2cba17219776856066
SHA256

b3d6016638d6996c1fc4bd69e419f8377567ace1a402d2ec7d80ff2a0a2c0ddf
SHA512

00b5e956d68024781e05348489e59c7a363ed34e2082f7e840081182d2b844bfd48ace24aff4a591c519cadc85b558351ef9c528125c6e305eb43c689902eaa7
SSDEEP

1536:mAXOIR2TxwOviB1j2IRdaR8/2Ea6X6d7hMq2bdi5:nXR2guIRdSYX6dSvi5

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

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
2324	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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	6ca87f8ecae520a59f97e3459e20de0a_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bad5dd5aed4545b08ff816add5b294c3.exe	System32.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bad5dd5aed4545b08ff816add5b294c3.exe	System32.exe

Executes dropped EXE 1 IoCs

pid	Process
1184	System32.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bad5dd5aed4545b08ff816add5b294c3 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System32.exe\" .."	System32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\bad5dd5aed4545b08ff816add5b294c3 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System32.exe\" .."	System32.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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	6ca87f8ecae520a59f97e3459e20de0a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	System32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1184	System32.exe
Token: 33	1184	System32.exe
Token: SeIncBasePriorityPrivilege	1184	System32.exe
Token: 33	1184	System32.exe
Token: SeIncBasePriorityPrivilege	1184	System32.exe
Token: 33	1184	System32.exe
Token: SeIncBasePriorityPrivilege	1184	System32.exe
Token: 33	1184	System32.exe
Token: SeIncBasePriorityPrivilege	1184	System32.exe
Token: 33	1184	System32.exe
Token: SeIncBasePriorityPrivilege	1184	System32.exe
Token: 33	1184	System32.exe
Token: SeIncBasePriorityPrivilege	1184	System32.exe
Token: 33	1184	System32.exe
Token: SeIncBasePriorityPrivilege	1184	System32.exe
Token: 33	1184	System32.exe
Token: SeIncBasePriorityPrivilege	1184	System32.exe
Token: 33	1184	System32.exe
Token: SeIncBasePriorityPrivilege	1184	System32.exe
Token: 33	1184	System32.exe
Token: SeIncBasePriorityPrivilege	1184	System32.exe
Token: 33	1184	System32.exe
Token: SeIncBasePriorityPrivilege	1184	System32.exe
Token: 33	1184	System32.exe
Token: SeIncBasePriorityPrivilege	1184	System32.exe
Token: 33	1184	System32.exe
Token: SeIncBasePriorityPrivilege	1184	System32.exe
Token: 33	1184	System32.exe
Token: SeIncBasePriorityPrivilege	1184	System32.exe
Token: 33	1184	System32.exe
Token: SeIncBasePriorityPrivilege	1184	System32.exe
Token: 33	1184	System32.exe
Token: SeIncBasePriorityPrivilege	1184	System32.exe
Token: 33	1184	System32.exe
Token: SeIncBasePriorityPrivilege	1184	System32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 1184	1476	6ca87f8ecae520a59f97e3459e20de0a_JaffaCakes118.exe	92
PID 1476 wrote to memory of 1184	1476	6ca87f8ecae520a59f97e3459e20de0a_JaffaCakes118.exe	92
PID 1476 wrote to memory of 1184	1476	6ca87f8ecae520a59f97e3459e20de0a_JaffaCakes118.exe	92
PID 1184 wrote to memory of 2324	1184	System32.exe	95
PID 1184 wrote to memory of 2324	1184	System32.exe	95
PID 1184 wrote to memory of 2324	1184	System32.exe	95

C:\Users\Admin\AppData\Local\Temp\6ca87f8ecae520a59f97e3459e20de0a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6ca87f8ecae520a59f97e3459e20de0a_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1476
- C:\Users\Admin\AppData\Roaming\System32.exe
  "C:\Users\Admin\AppData\Roaming\System32.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1184
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\System32.exe" "System32.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2324

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\Roaming\System32.exe

Filesize
66KB

MD5
6ca87f8ecae520a59f97e3459e20de0a

SHA1
ef807ade5750202bfffa5c2cba17219776856066

SHA256
b3d6016638d6996c1fc4bd69e419f8377567ace1a402d2ec7d80ff2a0a2c0ddf

SHA512
00b5e956d68024781e05348489e59c7a363ed34e2082f7e840081182d2b844bfd48ace24aff4a591c519cadc85b558351ef9c528125c6e305eb43c689902eaa7

Download Submit
memory/1184-26-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/1184-25-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/1184-24-0x0000000007F10000-0x0000000007F1A000-memory.dmp

Filesize
40KB

Download
memory/1184-22-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/1184-21-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/1476-6-0x0000000007BC0000-0x0000000007BCE000-memory.dmp

Filesize
56KB

Download
memory/1476-7-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/1476-0-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

Filesize
4KB

Download
memory/1476-20-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/1476-5-0x0000000007D50000-0x0000000007DE2000-memory.dmp

Filesize
584KB

Download
memory/1476-4-0x0000000008260000-0x0000000008804000-memory.dmp

Filesize
5.6MB

Download
memory/1476-3-0x0000000007C10000-0x0000000007CAC000-memory.dmp

Filesize
624KB

Download
memory/1476-2-0x0000000005780000-0x00000000057C2000-memory.dmp

Filesize
264KB

Download
memory/1476-1-0x0000000000D70000-0x0000000000D86000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads