njrat | bd1ba1379b9641d3e7e2062a746195ab573c1ca253f81e32337ccb42c49ded26

General

Target

0e5ca24fb347c2a52e0ede701a7d96b0_JaffaCakes118.exe
Size

28KB
MD5

0e5ca24fb347c2a52e0ede701a7d96b0
SHA1

50f1376a7243f99e7c79744a9635b8b2702f2f5d
SHA256

bd1ba1379b9641d3e7e2062a746195ab573c1ca253f81e32337ccb42c49ded26
SHA512

99ac4c39a89ab769153aeb822600644c80917c34072b917c76f4c31b17d7ddf7150100b757fd4814cf9264680e783ad757358c23c1801be0aa6d6da525042de3
SSDEEP

384:KmsCXkm2fSDDv+8/2utC3Gq4PL0SFbqGfHrE/51yJgCdnPWCHc9BUW7ORVh4vUon:Km3km2qDPOOXq4PxFPy1yJXAb6aMoZd

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
4960	netsh.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	0e5ca24fb347c2a52e0ede701a7d96b0_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	r_ver.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8394478645662510ce916461f336b44a.exe	ked.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8394478645662510ce916461f336b44a.exe	ked.exe

Executes dropped EXE 2 IoCs

pid	Process
3548	r_ver.exe
4468	ked.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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8394478645662510ce916461f336b44a = "\"C:\\Windows\\ked.exe\" .."	ked.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\8394478645662510ce916461f336b44a = "\"C:\\Windows\\ked.exe\" .."	ked.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\ked.exe	r_ver.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 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	0e5ca24fb347c2a52e0ede701a7d96b0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	r_ver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ked.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4468	ked.exe
Token: 33	4468	ked.exe
Token: SeIncBasePriorityPrivilege	4468	ked.exe
Token: 33	4468	ked.exe
Token: SeIncBasePriorityPrivilege	4468	ked.exe
Token: 33	4468	ked.exe
Token: SeIncBasePriorityPrivilege	4468	ked.exe
Token: 33	4468	ked.exe
Token: SeIncBasePriorityPrivilege	4468	ked.exe
Token: 33	4468	ked.exe
Token: SeIncBasePriorityPrivilege	4468	ked.exe
Token: 33	4468	ked.exe
Token: SeIncBasePriorityPrivilege	4468	ked.exe
Token: 33	4468	ked.exe
Token: SeIncBasePriorityPrivilege	4468	ked.exe
Token: 33	4468	ked.exe
Token: SeIncBasePriorityPrivilege	4468	ked.exe
Token: 33	4468	ked.exe
Token: SeIncBasePriorityPrivilege	4468	ked.exe
Token: 33	4468	ked.exe
Token: SeIncBasePriorityPrivilege	4468	ked.exe
Token: 33	4468	ked.exe
Token: SeIncBasePriorityPrivilege	4468	ked.exe
Token: 33	4468	ked.exe
Token: SeIncBasePriorityPrivilege	4468	ked.exe
Token: 33	4468	ked.exe
Token: SeIncBasePriorityPrivilege	4468	ked.exe
Token: 33	4468	ked.exe
Token: SeIncBasePriorityPrivilege	4468	ked.exe
Token: 33	4468	ked.exe
Token: SeIncBasePriorityPrivilege	4468	ked.exe
Token: 33	4468	ked.exe
Token: SeIncBasePriorityPrivilege	4468	ked.exe
Token: 33	4468	ked.exe
Token: SeIncBasePriorityPrivilege	4468	ked.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3164 wrote to memory of 3548	3164	0e5ca24fb347c2a52e0ede701a7d96b0_JaffaCakes118.exe	82
PID 3164 wrote to memory of 3548	3164	0e5ca24fb347c2a52e0ede701a7d96b0_JaffaCakes118.exe	82
PID 3164 wrote to memory of 3548	3164	0e5ca24fb347c2a52e0ede701a7d96b0_JaffaCakes118.exe	82
PID 3548 wrote to memory of 4468	3548	r_ver.exe	83
PID 3548 wrote to memory of 4468	3548	r_ver.exe	83
PID 3548 wrote to memory of 4468	3548	r_ver.exe	83
PID 4468 wrote to memory of 4960	4468	ked.exe	89
PID 4468 wrote to memory of 4960	4468	ked.exe	89
PID 4468 wrote to memory of 4960	4468	ked.exe	89

C:\Users\Admin\AppData\Local\Temp\0e5ca24fb347c2a52e0ede701a7d96b0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0e5ca24fb347c2a52e0ede701a7d96b0_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3164
- C:\Users\Admin\AppData\Local\Temp\r_ver.exe
  "C:\Users\Admin\AppData\Local\Temp\r_ver.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3548
- - C:\Windows\ked.exe
    "C:\Windows\ked.exe"
    3⤵
    - 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:4468
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Windows\ked.exe" "ked.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:4960

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\r_ver.exe

Filesize
23KB

MD5
54ec1f99513d6f5dec6d3cb7a151e45e

SHA1
c43465c463401dedbe5832eaf0765eba222c9f48

SHA256
2fdcfc7633aa704a5cee931e225ccf8c90263d5b19ba314ad8d07e4e7d066999

SHA512
b74366d9d89f35707ec24505b93ceff44966f57af535d3998b718b735896f64aad7ebf463d470fd4847bec3a3257ea64ae172151153c075db821761aedd60b92

Download Submit
memory/3548-9-0x0000000075312000-0x0000000075313000-memory.dmp

Filesize
4KB

Download
memory/3548-10-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/3548-11-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/3548-21-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/4468-22-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/4468-23-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/4468-25-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads