njrat | ce73db2cfd2db2efd22f1fe44ce3bf428647751bd89dbb467c85578f00788130

General

Target

ff1fe20d8f6b65a29271808f5a372e69_JaffaCakes118.exe
Size

23KB
MD5

ff1fe20d8f6b65a29271808f5a372e69
SHA1

0b59bec87fbc249ff555bd4425b782d6a7a8514d
SHA256

ce73db2cfd2db2efd22f1fe44ce3bf428647751bd89dbb467c85578f00788130
SHA512

a485e9d305ca0e0e3a1b4b042b30cd2f051298a1b501d9e3f38c6adc28991180213fc2241f43b548edfe2e6c294f0360e2d90c817fef4fe64c8698e7429b36b8
SSDEEP

384:2Gwz6+T4IjWZFXUfQsGiJkF1D16lgTa5D6tLZD0mRvR6JZlbw8hqIusZzZjpiz:iTbC29JurRpcnuIG

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

zdzdzdzd.kro.kr:1

Mutex

8d5adf3813d692c472d93aa27a552926

Attributes

reg_key
8d5adf3813d692c472d93aa27a552926
splitter
|'|'|

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
2972	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2540	server.exe

Loads dropped DLL 1 IoCs

pid	Process
1080	ff1fe20d8f6b65a29271808f5a372e69_JaffaCakes118.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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\8d5adf3813d692c472d93aa27a552926 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\8d5adf3813d692c472d93aa27a552926 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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	ff1fe20d8f6b65a29271808f5a372e69_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2540	server.exe
Token: 33	2540	server.exe
Token: SeIncBasePriorityPrivilege	2540	server.exe
Token: 33	2540	server.exe
Token: SeIncBasePriorityPrivilege	2540	server.exe
Token: 33	2540	server.exe
Token: SeIncBasePriorityPrivilege	2540	server.exe
Token: 33	2540	server.exe
Token: SeIncBasePriorityPrivilege	2540	server.exe
Token: 33	2540	server.exe
Token: SeIncBasePriorityPrivilege	2540	server.exe
Token: 33	2540	server.exe
Token: SeIncBasePriorityPrivilege	2540	server.exe
Token: 33	2540	server.exe
Token: SeIncBasePriorityPrivilege	2540	server.exe
Token: 33	2540	server.exe
Token: SeIncBasePriorityPrivilege	2540	server.exe
Token: 33	2540	server.exe
Token: SeIncBasePriorityPrivilege	2540	server.exe
Token: 33	2540	server.exe
Token: SeIncBasePriorityPrivilege	2540	server.exe
Token: 33	2540	server.exe
Token: SeIncBasePriorityPrivilege	2540	server.exe
Token: 33	2540	server.exe
Token: SeIncBasePriorityPrivilege	2540	server.exe
Token: 33	2540	server.exe
Token: SeIncBasePriorityPrivilege	2540	server.exe
Token: 33	2540	server.exe
Token: SeIncBasePriorityPrivilege	2540	server.exe
Token: 33	2540	server.exe
Token: SeIncBasePriorityPrivilege	2540	server.exe
Token: 33	2540	server.exe
Token: SeIncBasePriorityPrivilege	2540	server.exe
Token: 33	2540	server.exe
Token: SeIncBasePriorityPrivilege	2540	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 2540	1080	ff1fe20d8f6b65a29271808f5a372e69_JaffaCakes118.exe	30
PID 1080 wrote to memory of 2540	1080	ff1fe20d8f6b65a29271808f5a372e69_JaffaCakes118.exe	30
PID 1080 wrote to memory of 2540	1080	ff1fe20d8f6b65a29271808f5a372e69_JaffaCakes118.exe	30
PID 1080 wrote to memory of 2540	1080	ff1fe20d8f6b65a29271808f5a372e69_JaffaCakes118.exe	30
PID 2540 wrote to memory of 2972	2540	server.exe	31
PID 2540 wrote to memory of 2972	2540	server.exe	31
PID 2540 wrote to memory of 2972	2540	server.exe	31
PID 2540 wrote to memory of 2972	2540	server.exe	31

C:\Users\Admin\AppData\Local\Temp\ff1fe20d8f6b65a29271808f5a372e69_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff1fe20d8f6b65a29271808f5a372e69_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.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:2540
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2972

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

System Information Discovery

1

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

\Users\Admin\AppData\Local\Temp\server.exe

Filesize
23KB

MD5
ff1fe20d8f6b65a29271808f5a372e69

SHA1
0b59bec87fbc249ff555bd4425b782d6a7a8514d

SHA256
ce73db2cfd2db2efd22f1fe44ce3bf428647751bd89dbb467c85578f00788130

SHA512
a485e9d305ca0e0e3a1b4b042b30cd2f051298a1b501d9e3f38c6adc28991180213fc2241f43b548edfe2e6c294f0360e2d90c817fef4fe64c8698e7429b36b8

Download Submit
memory/1080-0-0x0000000074871000-0x0000000074872000-memory.dmp

Filesize
4KB

Download
memory/1080-1-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download
memory/1080-2-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download
memory/1080-12-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download
memory/2540-10-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download
memory/2540-11-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download
memory/2540-13-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads