njrat | efe82e7bc8ac40fbe967f5d8cadef6a371d3a8d560cb31d483c505b44ebbe968

General

Target

JaffaCakes118_caae268cf49f91e68b7c754b6cff8aea.exe
Size

228KB
MD5

caae268cf49f91e68b7c754b6cff8aea
SHA1

9d56f9d5a74f653528db4eeb43dbf18978ca6f73
SHA256

efe82e7bc8ac40fbe967f5d8cadef6a371d3a8d560cb31d483c505b44ebbe968
SHA512

911c617dd63b442bea699fe05aea192128496af1f174ffaa5670eb5cc4a231341304230ed270378765993ea2e49d7562c4334d2f6c01d47591d8c6aa6d023e5e
SSDEEP

6144:JAF0Otdn+O7tAWUWzQZBn+O7tAWUWzQZ:JAz/XRk44XRk4

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
3856	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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	JaffaCakes118_caae268cf49f91e68b7c754b6cff8aea.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d47141513813ecf4f096898bf5cbb181.exe	iTunes.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d47141513813ecf4f096898bf5cbb181.exe	iTunes.exe

Executes dropped EXE 1 IoCs

pid	Process
2500	iTunes.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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\d47141513813ecf4f096898bf5cbb181 = "\"C:\\Users\\Admin\\AppData\\Roaming\\iTunes.exe\" .."	iTunes.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\d47141513813ecf4f096898bf5cbb181 = "\"C:\\Users\\Admin\\AppData\\Roaming\\iTunes.exe\" .."	iTunes.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 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	JaffaCakes118_caae268cf49f91e68b7c754b6cff8aea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iTunes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2500	iTunes.exe
Token: 33	2500	iTunes.exe
Token: SeIncBasePriorityPrivilege	2500	iTunes.exe
Token: 33	2500	iTunes.exe
Token: SeIncBasePriorityPrivilege	2500	iTunes.exe
Token: 33	2500	iTunes.exe
Token: SeIncBasePriorityPrivilege	2500	iTunes.exe
Token: 33	2500	iTunes.exe
Token: SeIncBasePriorityPrivilege	2500	iTunes.exe
Token: 33	2500	iTunes.exe
Token: SeIncBasePriorityPrivilege	2500	iTunes.exe
Token: 33	2500	iTunes.exe
Token: SeIncBasePriorityPrivilege	2500	iTunes.exe
Token: 33	2500	iTunes.exe
Token: SeIncBasePriorityPrivilege	2500	iTunes.exe
Token: 33	2500	iTunes.exe
Token: SeIncBasePriorityPrivilege	2500	iTunes.exe
Token: 33	2500	iTunes.exe
Token: SeIncBasePriorityPrivilege	2500	iTunes.exe
Token: 33	2500	iTunes.exe
Token: SeIncBasePriorityPrivilege	2500	iTunes.exe
Token: 33	2500	iTunes.exe
Token: SeIncBasePriorityPrivilege	2500	iTunes.exe
Token: 33	2500	iTunes.exe
Token: SeIncBasePriorityPrivilege	2500	iTunes.exe
Token: 33	2500	iTunes.exe
Token: SeIncBasePriorityPrivilege	2500	iTunes.exe
Token: 33	2500	iTunes.exe
Token: SeIncBasePriorityPrivilege	2500	iTunes.exe
Token: 33	2500	iTunes.exe
Token: SeIncBasePriorityPrivilege	2500	iTunes.exe
Token: 33	2500	iTunes.exe
Token: SeIncBasePriorityPrivilege	2500	iTunes.exe
Token: 33	2500	iTunes.exe
Token: SeIncBasePriorityPrivilege	2500	iTunes.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2500	2848	JaffaCakes118_caae268cf49f91e68b7c754b6cff8aea.exe	82
PID 2848 wrote to memory of 2500	2848	JaffaCakes118_caae268cf49f91e68b7c754b6cff8aea.exe	82
PID 2848 wrote to memory of 2500	2848	JaffaCakes118_caae268cf49f91e68b7c754b6cff8aea.exe	82
PID 2500 wrote to memory of 3856	2500	iTunes.exe	87
PID 2500 wrote to memory of 3856	2500	iTunes.exe	87
PID 2500 wrote to memory of 3856	2500	iTunes.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_caae268cf49f91e68b7c754b6cff8aea.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_caae268cf49f91e68b7c754b6cff8aea.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Users\Admin\AppData\Roaming\iTunes.exe
  "C:\Users\Admin\AppData\Roaming\iTunes.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:2500
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\iTunes.exe" "iTunes.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3856

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\iTunes.exe

Filesize
228KB

MD5
caae268cf49f91e68b7c754b6cff8aea

SHA1
9d56f9d5a74f653528db4eeb43dbf18978ca6f73

SHA256
efe82e7bc8ac40fbe967f5d8cadef6a371d3a8d560cb31d483c505b44ebbe968

SHA512
911c617dd63b442bea699fe05aea192128496af1f174ffaa5670eb5cc4a231341304230ed270378765993ea2e49d7562c4334d2f6c01d47591d8c6aa6d023e5e

Download Submit
memory/2500-16-0x0000000075160000-0x0000000075711000-memory.dmp

Filesize
5.7MB

Download
memory/2500-17-0x0000000075160000-0x0000000075711000-memory.dmp

Filesize
5.7MB

Download
memory/2500-19-0x0000000075160000-0x0000000075711000-memory.dmp

Filesize
5.7MB

Download
memory/2848-0-0x0000000075162000-0x0000000075163000-memory.dmp

Filesize
4KB

Download
memory/2848-1-0x0000000075160000-0x0000000075711000-memory.dmp

Filesize
5.7MB

Download
memory/2848-2-0x0000000075160000-0x0000000075711000-memory.dmp

Filesize
5.7MB

Download
memory/2848-15-0x0000000075160000-0x0000000075711000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads