njrat | c67878e00a99a72a6f8cc2e66e2fa937fe8158b353c69b9e1e6db7dd113517dc

General

Target

d1568f14823089ebe25ffe06fed9a817_JaffaCakes118.exe
Size

23KB
MD5

d1568f14823089ebe25ffe06fed9a817
SHA1

d5b7c7174a5051a89d10f7f84ef35d796a1b44b8
SHA256

c67878e00a99a72a6f8cc2e66e2fa937fe8158b353c69b9e1e6db7dd113517dc
SHA512

57562c798ae6a87baebece29a220f7fbc25b81d5b637fb8ff7715998aaf7761d68030dbed0192c42b180f6c0894d79565346cff4387f8af8df06de6078abd264
SSDEEP

384:2Cc68yCaUVIhboNgfEimfkNzayS06vg5UhcpxH7ndmRvR6JZlbw8hqIusZzZfq:n873kgNfoaf6ARpcnu1

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:1177

Mutex

5b3e54e9cc617e65ba54f23d81df86b3

Attributes

reg_key
5b3e54e9cc617e65ba54f23d81df86b3
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
1640	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5b3e54e9cc617e65ba54f23d81df86b3.exe	skaype.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5b3e54e9cc617e65ba54f23d81df86b3.exe	skaype.exe

Executes dropped EXE 1 IoCs

pid	Process
2104	skaype.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\5b3e54e9cc617e65ba54f23d81df86b3 = "\"C:\\Windows\\skaype.exe\" .."	skaype.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5b3e54e9cc617e65ba54f23d81df86b3 = "\"C:\\Windows\\skaype.exe\" .."	skaype.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\skaype.exe	d1568f14823089ebe25ffe06fed9a817_JaffaCakes118.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	d1568f14823089ebe25ffe06fed9a817_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skaype.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2104	skaype.exe
Token: 33	2104	skaype.exe
Token: SeIncBasePriorityPrivilege	2104	skaype.exe
Token: 33	2104	skaype.exe
Token: SeIncBasePriorityPrivilege	2104	skaype.exe
Token: 33	2104	skaype.exe
Token: SeIncBasePriorityPrivilege	2104	skaype.exe
Token: 33	2104	skaype.exe
Token: SeIncBasePriorityPrivilege	2104	skaype.exe
Token: 33	2104	skaype.exe
Token: SeIncBasePriorityPrivilege	2104	skaype.exe
Token: 33	2104	skaype.exe
Token: SeIncBasePriorityPrivilege	2104	skaype.exe
Token: 33	2104	skaype.exe
Token: SeIncBasePriorityPrivilege	2104	skaype.exe
Token: 33	2104	skaype.exe
Token: SeIncBasePriorityPrivilege	2104	skaype.exe
Token: 33	2104	skaype.exe
Token: SeIncBasePriorityPrivilege	2104	skaype.exe
Token: 33	2104	skaype.exe
Token: SeIncBasePriorityPrivilege	2104	skaype.exe
Token: 33	2104	skaype.exe
Token: SeIncBasePriorityPrivilege	2104	skaype.exe
Token: 33	2104	skaype.exe
Token: SeIncBasePriorityPrivilege	2104	skaype.exe
Token: 33	2104	skaype.exe
Token: SeIncBasePriorityPrivilege	2104	skaype.exe
Token: 33	2104	skaype.exe
Token: SeIncBasePriorityPrivilege	2104	skaype.exe
Token: 33	2104	skaype.exe
Token: SeIncBasePriorityPrivilege	2104	skaype.exe
Token: 33	2104	skaype.exe
Token: SeIncBasePriorityPrivilege	2104	skaype.exe
Token: 33	2104	skaype.exe
Token: SeIncBasePriorityPrivilege	2104	skaype.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2104	2420	d1568f14823089ebe25ffe06fed9a817_JaffaCakes118.exe	30
PID 2420 wrote to memory of 2104	2420	d1568f14823089ebe25ffe06fed9a817_JaffaCakes118.exe	30
PID 2420 wrote to memory of 2104	2420	d1568f14823089ebe25ffe06fed9a817_JaffaCakes118.exe	30
PID 2420 wrote to memory of 2104	2420	d1568f14823089ebe25ffe06fed9a817_JaffaCakes118.exe	30
PID 2104 wrote to memory of 1640	2104	skaype.exe	31
PID 2104 wrote to memory of 1640	2104	skaype.exe	31
PID 2104 wrote to memory of 1640	2104	skaype.exe	31
PID 2104 wrote to memory of 1640	2104	skaype.exe	31

C:\Users\Admin\AppData\Local\Temp\d1568f14823089ebe25ffe06fed9a817_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d1568f14823089ebe25ffe06fed9a817_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Windows\skaype.exe
  "C:\Windows\skaype.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:2104
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\skaype.exe" "skaype.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:1640

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

C:\Windows\skaype.exe

Filesize
23KB

MD5
d1568f14823089ebe25ffe06fed9a817

SHA1
d5b7c7174a5051a89d10f7f84ef35d796a1b44b8

SHA256
c67878e00a99a72a6f8cc2e66e2fa937fe8158b353c69b9e1e6db7dd113517dc

SHA512
57562c798ae6a87baebece29a220f7fbc25b81d5b637fb8ff7715998aaf7761d68030dbed0192c42b180f6c0894d79565346cff4387f8af8df06de6078abd264

Download Submit
memory/2104-9-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-12-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/2420-0-0x00000000740B1000-0x00000000740B2000-memory.dmp

Filesize
4KB

Download
memory/2420-1-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/2420-2-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/2420-10-0x00000000740B0000-0x000000007465B000-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