njrat | 2ee7261df19e596c744a2cd7fc6785c84e980f48e437f4684cd78b6f9d8fddc2

General

Target

JaffaCakes118_68e8ba897bec623a6a465e35d19dd3d0.exe
Size

1.3MB
MD5

68e8ba897bec623a6a465e35d19dd3d0
SHA1

a146663d3af1aab243ebe2993d92f115a252f7ef
SHA256

2ee7261df19e596c744a2cd7fc6785c84e980f48e437f4684cd78b6f9d8fddc2
SHA512

582629fe538eecd64fc280c5e277422a9b9899f2572b2c1f98b658164a16c25c712b041e31435df2a729dfd8e6619e6ca78277b451e76a76e568fd7178d95a54
SSDEEP

24576:pjLyRpuoSgo1dlYDo/363IZQPj16Ua+I:pjgpv/o1PY0/363IZQPR6T

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
3628	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	JaffaCakes118_68e8ba897bec623a6a465e35d19dd3d0.exe

Executes dropped EXE 1 IoCs

pid	Process
1116	skype.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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\53962a35a26371de4945ea6c9fc1d281 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\skype.exe\" .."	skype.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\53962a35a26371de4945ea6c9fc1d281 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\skype.exe\" .."	skype.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_68e8ba897bec623a6a465e35d19dd3d0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skype.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1116	skype.exe
Token: 33	1116	skype.exe
Token: SeIncBasePriorityPrivilege	1116	skype.exe
Token: 33	1116	skype.exe
Token: SeIncBasePriorityPrivilege	1116	skype.exe
Token: 33	1116	skype.exe
Token: SeIncBasePriorityPrivilege	1116	skype.exe
Token: 33	1116	skype.exe
Token: SeIncBasePriorityPrivilege	1116	skype.exe
Token: 33	1116	skype.exe
Token: SeIncBasePriorityPrivilege	1116	skype.exe
Token: 33	1116	skype.exe
Token: SeIncBasePriorityPrivilege	1116	skype.exe
Token: 33	1116	skype.exe
Token: SeIncBasePriorityPrivilege	1116	skype.exe
Token: 33	1116	skype.exe
Token: SeIncBasePriorityPrivilege	1116	skype.exe
Token: 33	1116	skype.exe
Token: SeIncBasePriorityPrivilege	1116	skype.exe
Token: 33	1116	skype.exe
Token: SeIncBasePriorityPrivilege	1116	skype.exe
Token: 33	1116	skype.exe
Token: SeIncBasePriorityPrivilege	1116	skype.exe
Token: 33	1116	skype.exe
Token: SeIncBasePriorityPrivilege	1116	skype.exe
Token: 33	1116	skype.exe
Token: SeIncBasePriorityPrivilege	1116	skype.exe
Token: 33	1116	skype.exe
Token: SeIncBasePriorityPrivilege	1116	skype.exe
Token: 33	1116	skype.exe
Token: SeIncBasePriorityPrivilege	1116	skype.exe
Token: 33	1116	skype.exe
Token: SeIncBasePriorityPrivilege	1116	skype.exe
Token: 33	1116	skype.exe
Token: SeIncBasePriorityPrivilege	1116	skype.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 1116	2940	JaffaCakes118_68e8ba897bec623a6a465e35d19dd3d0.exe	82
PID 2940 wrote to memory of 1116	2940	JaffaCakes118_68e8ba897bec623a6a465e35d19dd3d0.exe	82
PID 2940 wrote to memory of 1116	2940	JaffaCakes118_68e8ba897bec623a6a465e35d19dd3d0.exe	82
PID 1116 wrote to memory of 3628	1116	skype.exe	85
PID 1116 wrote to memory of 3628	1116	skype.exe	85
PID 1116 wrote to memory of 3628	1116	skype.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68e8ba897bec623a6a465e35d19dd3d0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68e8ba897bec623a6a465e35d19dd3d0.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Users\Admin\AppData\Local\Temp\skype.exe
  "C:\Users\Admin\AppData\Local\Temp\skype.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1116
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\skype.exe" "skype.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3628

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\Local\Temp\skype.exe

Filesize
1.3MB

MD5
68e8ba897bec623a6a465e35d19dd3d0

SHA1
a146663d3af1aab243ebe2993d92f115a252f7ef

SHA256
2ee7261df19e596c744a2cd7fc6785c84e980f48e437f4684cd78b6f9d8fddc2

SHA512
582629fe538eecd64fc280c5e277422a9b9899f2572b2c1f98b658164a16c25c712b041e31435df2a729dfd8e6619e6ca78277b451e76a76e568fd7178d95a54

Download Submit
memory/1116-12-0x0000000075010000-0x00000000755C1000-memory.dmp

Filesize
5.7MB

Download
memory/1116-15-0x0000000075010000-0x00000000755C1000-memory.dmp

Filesize
5.7MB

Download
memory/1116-13-0x0000000075010000-0x00000000755C1000-memory.dmp

Filesize
5.7MB

Download
memory/1116-16-0x0000000075010000-0x00000000755C1000-memory.dmp

Filesize
5.7MB

Download
memory/2940-0-0x0000000075012000-0x0000000075013000-memory.dmp

Filesize
4KB

Download
memory/2940-1-0x0000000075010000-0x00000000755C1000-memory.dmp

Filesize
5.7MB

Download
memory/2940-2-0x0000000075010000-0x00000000755C1000-memory.dmp

Filesize
5.7MB

Download
memory/2940-14-0x0000000075010000-0x00000000755C1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads