njrat | 2092759cbb32bef0f670d9abfa6112a20c6c654092cf0bcd8ab24e91283ed0fb

General

Target

JaffaCakes118_50a34747653e5ad986d3970a85c33320.exe
Size

49KB
MD5

50a34747653e5ad986d3970a85c33320
SHA1

32272f1ac269eb93dd994f60db6bb9c836358d3f
SHA256

2092759cbb32bef0f670d9abfa6112a20c6c654092cf0bcd8ab24e91283ed0fb
SHA512

59a4c595da12d49fb8cd0e686bc651e74dec6a3269fac5d597d5a759ee4d9277a59a6d5875f24febaf716f17b73972206d488e607c1025def114708d30a7870a
SSDEEP

1536:M8blGZjjDoEzPOfpB8KKRhHwzptAN+NJ6nXMcemhuhyH:M8bAzPOIbPHwzYN+NTdhyH

Score

10^/10

njrat mal discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

MAL

C2

12e1212:8888

Mutex

66e263e765a8ecf009ff45b8a895efff

Attributes

reg_key
66e263e765a8ecf009ff45b8a895efff
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
2852	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\66e263e765a8ecf009ff45b8a895efff.exe	hacked.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\66e263e765a8ecf009ff45b8a895efff.exe	hacked.exe

Executes dropped EXE 2 IoCs

pid	Process
2356	Server.exe
2816	hacked.exe

Loads dropped DLL 2 IoCs

pid	Process
2108	JaffaCakes118_50a34747653e5ad986d3970a85c33320.exe
2356	Server.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\66e263e765a8ecf009ff45b8a895efff = "\"C:\\ProgramData\\hacked.exe\" .."	hacked.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\66e263e765a8ecf009ff45b8a895efff = "\"C:\\ProgramData\\hacked.exe\" .."	hacked.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	JaffaCakes118_50a34747653e5ad986d3970a85c33320.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hacked.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2816	hacked.exe
Token: 33	2816	hacked.exe
Token: SeIncBasePriorityPrivilege	2816	hacked.exe
Token: 33	2816	hacked.exe
Token: SeIncBasePriorityPrivilege	2816	hacked.exe
Token: 33	2816	hacked.exe
Token: SeIncBasePriorityPrivilege	2816	hacked.exe
Token: 33	2816	hacked.exe
Token: SeIncBasePriorityPrivilege	2816	hacked.exe
Token: 33	2816	hacked.exe
Token: SeIncBasePriorityPrivilege	2816	hacked.exe
Token: 33	2816	hacked.exe
Token: SeIncBasePriorityPrivilege	2816	hacked.exe
Token: 33	2816	hacked.exe
Token: SeIncBasePriorityPrivilege	2816	hacked.exe
Token: 33	2816	hacked.exe
Token: SeIncBasePriorityPrivilege	2816	hacked.exe
Token: 33	2816	hacked.exe
Token: SeIncBasePriorityPrivilege	2816	hacked.exe
Token: 33	2816	hacked.exe
Token: SeIncBasePriorityPrivilege	2816	hacked.exe
Token: 33	2816	hacked.exe
Token: SeIncBasePriorityPrivilege	2816	hacked.exe
Token: 33	2816	hacked.exe
Token: SeIncBasePriorityPrivilege	2816	hacked.exe
Token: 33	2816	hacked.exe
Token: SeIncBasePriorityPrivilege	2816	hacked.exe
Token: 33	2816	hacked.exe
Token: SeIncBasePriorityPrivilege	2816	hacked.exe
Token: 33	2816	hacked.exe
Token: SeIncBasePriorityPrivilege	2816	hacked.exe
Token: 33	2816	hacked.exe
Token: SeIncBasePriorityPrivilege	2816	hacked.exe
Token: 33	2816	hacked.exe
Token: SeIncBasePriorityPrivilege	2816	hacked.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2356	2108	JaffaCakes118_50a34747653e5ad986d3970a85c33320.exe	30
PID 2108 wrote to memory of 2356	2108	JaffaCakes118_50a34747653e5ad986d3970a85c33320.exe	30
PID 2108 wrote to memory of 2356	2108	JaffaCakes118_50a34747653e5ad986d3970a85c33320.exe	30
PID 2108 wrote to memory of 2356	2108	JaffaCakes118_50a34747653e5ad986d3970a85c33320.exe	30
PID 2356 wrote to memory of 2816	2356	Server.exe	31
PID 2356 wrote to memory of 2816	2356	Server.exe	31
PID 2356 wrote to memory of 2816	2356	Server.exe	31
PID 2356 wrote to memory of 2816	2356	Server.exe	31
PID 2816 wrote to memory of 2852	2816	hacked.exe	33
PID 2816 wrote to memory of 2852	2816	hacked.exe	33
PID 2816 wrote to memory of 2852	2816	hacked.exe	33
PID 2816 wrote to memory of 2852	2816	hacked.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50a34747653e5ad986d3970a85c33320.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50a34747653e5ad986d3970a85c33320.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  "C:\Users\Admin\AppData\Local\Temp\Server.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2356
- - C:\ProgramData\hacked.exe
    "C:\ProgramData\hacked.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:2816
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\ProgramData\hacked.exe" "hacked.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2852

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
2458e6f4d38ea15f21d61353648b2324

SHA1
4f0ef95fc6ebad94749edbd2cec4fb10982db300

SHA256
e599bb402c73eec1cde52b6cbf459201f64206b509d0437176e9c12ebcecff50

SHA512
da838e635c7cc35e1c4957824569b6d4ddfa8b19f91b8d46e26cba3483c2a18fd858f6b51e8a0907d7285beb387b42f04c93826885b2c11c5dddd14d4b7376e5

Download Submit
memory/2108-0-0x0000000074CEE000-0x0000000074CEF000-memory.dmp

Filesize
4KB

Download
memory/2108-1-0x0000000000090000-0x000000000009A000-memory.dmp

Filesize
40KB

Download
memory/2108-2-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2108-11-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2356-10-0x000000006FE21000-0x000000006FE22000-memory.dmp

Filesize
4KB

Download
memory/2356-12-0x000000006FE20000-0x00000000703CB000-memory.dmp

Filesize
5.7MB

Download
memory/2356-13-0x000000006FE20000-0x00000000703CB000-memory.dmp

Filesize
5.7MB

Download
memory/2356-21-0x000000006FE20000-0x00000000703CB000-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