njrat | f67e18dd6ca300a2169bbe3c018097f43490f7f2270608c892450360cc502a18

General

Target

JaffaCakes118_cde2dae99f7f1b522889f5aad05db8ca.exe
Size

326KB
MD5

cde2dae99f7f1b522889f5aad05db8ca
SHA1

834371280e7ad513679e1c1517eac5cbb237154c
SHA256

f67e18dd6ca300a2169bbe3c018097f43490f7f2270608c892450360cc502a18
SHA512

03f76ac07caf7e01d0b541b194a8ac791bc606f1a00f69f8dbc125500ef47d16689a864ad70faa8241282366fe91dd711b55576cb499b75c55d9b67856165c80
SSDEEP

6144:WAZYp7LNq+bFtvM6ATJw0dByAbYQ2gso6SUWne8RpyTQb3YhK5DvOLKirxC0ki1K:WAZYp7LNq+bFtvM6ATfbyAbYesXSUriP

Score

10^/10

njrat lammer discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Lammer

C2

127.0.0.1:1155

Mutex

8dec69a5f3665f8ce37a100334b5fe39

Attributes

reg_key
8dec69a5f3665f8ce37a100334b5fe39
splitter
|'|'|

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
1636	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8dec69a5f3665f8ce37a100334b5fe39.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8dec69a5f3665f8ce37a100334b5fe39.exe	Trojan.exe

Executes dropped EXE 2 IoCs

pid	Process
2844	Trojan.exe
2224	Trojan.exe

Loads dropped DLL 2 IoCs

pid	Process
2532	JaffaCakes118_cde2dae99f7f1b522889f5aad05db8ca.exe
2844	Trojan.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\8dec69a5f3665f8ce37a100334b5fe39 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\8dec69a5f3665f8ce37a100334b5fe39 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 432 set thread context of 2532	432	JaffaCakes118_cde2dae99f7f1b522889f5aad05db8ca.exe	29
PID 2844 set thread context of 2224	2844	Trojan.exe	31

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\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	Trojan.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_cde2dae99f7f1b522889f5aad05db8ca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_cde2dae99f7f1b522889f5aad05db8ca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	432	JaffaCakes118_cde2dae99f7f1b522889f5aad05db8ca.exe
Token: SeDebugPrivilege	2844	Trojan.exe
Token: SeDebugPrivilege	2224	Trojan.exe
Token: 33	2224	Trojan.exe
Token: SeIncBasePriorityPrivilege	2224	Trojan.exe
Token: 33	2224	Trojan.exe
Token: SeIncBasePriorityPrivilege	2224	Trojan.exe
Token: 33	2224	Trojan.exe
Token: SeIncBasePriorityPrivilege	2224	Trojan.exe
Token: 33	2224	Trojan.exe
Token: SeIncBasePriorityPrivilege	2224	Trojan.exe
Token: 33	2224	Trojan.exe
Token: SeIncBasePriorityPrivilege	2224	Trojan.exe
Token: 33	2224	Trojan.exe
Token: SeIncBasePriorityPrivilege	2224	Trojan.exe
Token: 33	2224	Trojan.exe
Token: SeIncBasePriorityPrivilege	2224	Trojan.exe
Token: 33	2224	Trojan.exe
Token: SeIncBasePriorityPrivilege	2224	Trojan.exe
Token: 33	2224	Trojan.exe
Token: SeIncBasePriorityPrivilege	2224	Trojan.exe
Token: 33	2224	Trojan.exe
Token: SeIncBasePriorityPrivilege	2224	Trojan.exe
Token: 33	2224	Trojan.exe
Token: SeIncBasePriorityPrivilege	2224	Trojan.exe
Token: 33	2224	Trojan.exe
Token: SeIncBasePriorityPrivilege	2224	Trojan.exe
Token: 33	2224	Trojan.exe
Token: SeIncBasePriorityPrivilege	2224	Trojan.exe
Token: 33	2224	Trojan.exe
Token: SeIncBasePriorityPrivilege	2224	Trojan.exe
Token: 33	2224	Trojan.exe
Token: SeIncBasePriorityPrivilege	2224	Trojan.exe
Token: 33	2224	Trojan.exe
Token: SeIncBasePriorityPrivilege	2224	Trojan.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 2532	432	JaffaCakes118_cde2dae99f7f1b522889f5aad05db8ca.exe	29
PID 432 wrote to memory of 2532	432	JaffaCakes118_cde2dae99f7f1b522889f5aad05db8ca.exe	29
PID 432 wrote to memory of 2532	432	JaffaCakes118_cde2dae99f7f1b522889f5aad05db8ca.exe	29
PID 432 wrote to memory of 2532	432	JaffaCakes118_cde2dae99f7f1b522889f5aad05db8ca.exe	29
PID 432 wrote to memory of 2532	432	JaffaCakes118_cde2dae99f7f1b522889f5aad05db8ca.exe	29
PID 432 wrote to memory of 2532	432	JaffaCakes118_cde2dae99f7f1b522889f5aad05db8ca.exe	29
PID 2532 wrote to memory of 2844	2532	JaffaCakes118_cde2dae99f7f1b522889f5aad05db8ca.exe	30
PID 2532 wrote to memory of 2844	2532	JaffaCakes118_cde2dae99f7f1b522889f5aad05db8ca.exe	30
PID 2532 wrote to memory of 2844	2532	JaffaCakes118_cde2dae99f7f1b522889f5aad05db8ca.exe	30
PID 2532 wrote to memory of 2844	2532	JaffaCakes118_cde2dae99f7f1b522889f5aad05db8ca.exe	30
PID 2844 wrote to memory of 2224	2844	Trojan.exe	31
PID 2844 wrote to memory of 2224	2844	Trojan.exe	31
PID 2844 wrote to memory of 2224	2844	Trojan.exe	31
PID 2844 wrote to memory of 2224	2844	Trojan.exe	31
PID 2844 wrote to memory of 2224	2844	Trojan.exe	31
PID 2844 wrote to memory of 2224	2844	Trojan.exe	31
PID 2224 wrote to memory of 1636	2224	Trojan.exe	32
PID 2224 wrote to memory of 1636	2224	Trojan.exe	32
PID 2224 wrote to memory of 1636	2224	Trojan.exe	32
PID 2224 wrote to memory of 1636	2224	Trojan.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cde2dae99f7f1b522889f5aad05db8ca.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cde2dae99f7f1b522889f5aad05db8ca.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:432
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cde2dae99f7f1b522889f5aad05db8ca.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cde2dae99f7f1b522889f5aad05db8ca.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2532
- - C:\Users\Admin\AppData\Local\Temp\Trojan.exe
    "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2844
  - - C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      4⤵
      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:2224
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:1636

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

Replay Monitor

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Downloads

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

Filesize
326KB

MD5
cde2dae99f7f1b522889f5aad05db8ca

SHA1
834371280e7ad513679e1c1517eac5cbb237154c

SHA256
f67e18dd6ca300a2169bbe3c018097f43490f7f2270608c892450360cc502a18

SHA512
03f76ac07caf7e01d0b541b194a8ac791bc606f1a00f69f8dbc125500ef47d16689a864ad70faa8241282366fe91dd711b55576cb499b75c55d9b67856165c80

Download Submit
memory/432-21-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/432-1-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/432-2-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/432-0-0x0000000074AE1000-0x0000000074AE2000-memory.dmp

Filesize
4KB

Download
memory/432-22-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/432-20-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/2532-14-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2532-17-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2532-23-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/2532-19-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2532-32-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/2844-31-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/2844-50-0x0000000074AE0000-0x000000007508B000-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