njrat | a2ca61183a3fd5d9b7b6776fc5413fa448d3fa3d1f935c83dd219def144f46d6

General

Target

JaffaCakes118_64f35e4b276558dd2d8f429f97bae630.exe
Size

358KB
MD5

64f35e4b276558dd2d8f429f97bae630
SHA1

9f83e952ddb3e0b36f2946745fce1046e638bde1
SHA256

a2ca61183a3fd5d9b7b6776fc5413fa448d3fa3d1f935c83dd219def144f46d6
SHA512

cdb2a7a409a4568439f72f11d71ccc9c38a8d2ec81a02c71d7f0ad221120be1dad31b94cb267c3ede9b15b5702aef896ee16140a3b4e87d7fefccf50f5a9e605
SSDEEP

6144:aFIHFvS3jqjXdlwT8qyboO1PWPkPH8Lj6JPoUCRb2HYHBYpA:a0ZS3jqjcwRB1PdH8Lj6JoR8YHupA

Score

10^/10

njrat 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
2728	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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	JaffaCakes118_64f35e4b276558dd2d8f429f97bae630.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d2ba8bdf3b03cc25da703986e7f3c17e.exe	halo.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d2ba8bdf3b03cc25da703986e7f3c17e.exe	halo.exe

Executes dropped EXE 1 IoCs

pid	Process
2652	halo.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\d2ba8bdf3b03cc25da703986e7f3c17e = "\"C:\\Users\\Admin\\AppData\\Roaming\\halo.exe\" .."	halo.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\d2ba8bdf3b03cc25da703986e7f3c17e = "\"C:\\Users\\Admin\\AppData\\Roaming\\halo.exe\" .."	halo.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\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	halo.exe
Token: 33	2652	halo.exe
Token: SeIncBasePriorityPrivilege	2652	halo.exe
Token: 33	2652	halo.exe
Token: SeIncBasePriorityPrivilege	2652	halo.exe
Token: 33	2652	halo.exe
Token: SeIncBasePriorityPrivilege	2652	halo.exe
Token: 33	2652	halo.exe
Token: SeIncBasePriorityPrivilege	2652	halo.exe
Token: 33	2652	halo.exe
Token: SeIncBasePriorityPrivilege	2652	halo.exe
Token: 33	2652	halo.exe
Token: SeIncBasePriorityPrivilege	2652	halo.exe
Token: 33	2652	halo.exe
Token: SeIncBasePriorityPrivilege	2652	halo.exe
Token: 33	2652	halo.exe
Token: SeIncBasePriorityPrivilege	2652	halo.exe
Token: 33	2652	halo.exe
Token: SeIncBasePriorityPrivilege	2652	halo.exe
Token: 33	2652	halo.exe
Token: SeIncBasePriorityPrivilege	2652	halo.exe
Token: 33	2652	halo.exe
Token: SeIncBasePriorityPrivilege	2652	halo.exe
Token: 33	2652	halo.exe
Token: SeIncBasePriorityPrivilege	2652	halo.exe
Token: 33	2652	halo.exe
Token: SeIncBasePriorityPrivilege	2652	halo.exe
Token: 33	2652	halo.exe
Token: SeIncBasePriorityPrivilege	2652	halo.exe
Token: 33	2652	halo.exe
Token: SeIncBasePriorityPrivilege	2652	halo.exe
Token: 33	2652	halo.exe
Token: SeIncBasePriorityPrivilege	2652	halo.exe
Token: 33	2652	halo.exe
Token: SeIncBasePriorityPrivilege	2652	halo.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3844 wrote to memory of 2652	3844	JaffaCakes118_64f35e4b276558dd2d8f429f97bae630.exe	82
PID 3844 wrote to memory of 2652	3844	JaffaCakes118_64f35e4b276558dd2d8f429f97bae630.exe	82
PID 2652 wrote to memory of 2728	2652	halo.exe	87
PID 2652 wrote to memory of 2728	2652	halo.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64f35e4b276558dd2d8f429f97bae630.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64f35e4b276558dd2d8f429f97bae630.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3844
- C:\Users\Admin\AppData\Roaming\halo.exe
  "C:\Users\Admin\AppData\Roaming\halo.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2652
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\halo.exe" "halo.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:2728

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\halo.exe

Filesize
358KB

MD5
64f35e4b276558dd2d8f429f97bae630

SHA1
9f83e952ddb3e0b36f2946745fce1046e638bde1

SHA256
a2ca61183a3fd5d9b7b6776fc5413fa448d3fa3d1f935c83dd219def144f46d6

SHA512
cdb2a7a409a4568439f72f11d71ccc9c38a8d2ec81a02c71d7f0ad221120be1dad31b94cb267c3ede9b15b5702aef896ee16140a3b4e87d7fefccf50f5a9e605

Download Submit
memory/2652-25-0x00007FF8C10F0000-0x00007FF8C1BB1000-memory.dmp

Filesize
10.8MB

Download
memory/2652-24-0x00007FF8C10F0000-0x00007FF8C1BB1000-memory.dmp

Filesize
10.8MB

Download
memory/2652-22-0x00007FF8C10F0000-0x00007FF8C1BB1000-memory.dmp

Filesize
10.8MB

Download
memory/2652-21-0x00007FF8C10F0000-0x00007FF8C1BB1000-memory.dmp

Filesize
10.8MB

Download
memory/3844-3-0x000000001B2C0000-0x000000001B2E0000-memory.dmp

Filesize
128KB

Download
memory/3844-7-0x000000001B3C0000-0x000000001B3DA000-memory.dmp

Filesize
104KB

Download
memory/3844-6-0x000000001B3A0000-0x000000001B3BC000-memory.dmp

Filesize
112KB

Download
memory/3844-5-0x000000001B2E0000-0x000000001B300000-memory.dmp

Filesize
128KB

Download
memory/3844-4-0x00007FF8C10F0000-0x00007FF8C1BB1000-memory.dmp

Filesize
10.8MB

Download
memory/3844-20-0x00007FF8C10F0000-0x00007FF8C1BB1000-memory.dmp

Filesize
10.8MB

Download
memory/3844-0-0x00007FF8C10F3000-0x00007FF8C10F5000-memory.dmp

Filesize
8KB

Download
memory/3844-2-0x0000000000FE0000-0x0000000000FFE000-memory.dmp

Filesize
120KB

Download
memory/3844-1-0x00000000007C0000-0x0000000000822000-memory.dmp

Filesize
392KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads