njrat | db0b7daddfb93b02c72a178832d9f41cc65e143150453c8ee25b73e9690776d8

General

Target

7b4ac6ead1afb8ef52d953771da4ae26_JaffaCakes118.exe
Size

430KB
MD5

7b4ac6ead1afb8ef52d953771da4ae26
SHA1

c0700a4e6db1b0359d9bbe874a4846b3f59e6842
SHA256

db0b7daddfb93b02c72a178832d9f41cc65e143150453c8ee25b73e9690776d8
SHA512

6e1f9fbfd22b5b57a924ad4485e138de45b974941427bac93886b16f20d73c2259bb665cf67d5a5949a55309146272688e6c4f4bb15369c63ba602e780f44eb2
SSDEEP

96:msDYb94x6pIEYaXcwhx5zWLYxT9Fk7Z0epAS+b+zNt:lEb94x8pYapz1WLOxO7Z0dSCY

Score

10^/10

njrat hacked evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:999

Mutex

9e744e168345acdb0c7cb12c3351cf40

Attributes

reg_key
9e744e168345acdb0c7cb12c3351cf40
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
2748	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
3040	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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\9e744e168345acdb0c7cb12c3351cf40 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9e744e168345acdb0c7cb12c3351cf40 = "\"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\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3040	server.exe
Token: 33	3040	server.exe
Token: SeIncBasePriorityPrivilege	3040	server.exe
Token: 33	3040	server.exe
Token: SeIncBasePriorityPrivilege	3040	server.exe
Token: 33	3040	server.exe
Token: SeIncBasePriorityPrivilege	3040	server.exe
Token: 33	3040	server.exe
Token: SeIncBasePriorityPrivilege	3040	server.exe
Token: 33	3040	server.exe
Token: SeIncBasePriorityPrivilege	3040	server.exe
Token: 33	3040	server.exe
Token: SeIncBasePriorityPrivilege	3040	server.exe
Token: 33	3040	server.exe
Token: SeIncBasePriorityPrivilege	3040	server.exe
Token: 33	3040	server.exe
Token: SeIncBasePriorityPrivilege	3040	server.exe
Token: 33	3040	server.exe
Token: SeIncBasePriorityPrivilege	3040	server.exe
Token: 33	3040	server.exe
Token: SeIncBasePriorityPrivilege	3040	server.exe
Token: 33	3040	server.exe
Token: SeIncBasePriorityPrivilege	3040	server.exe
Token: 33	3040	server.exe
Token: SeIncBasePriorityPrivilege	3040	server.exe
Token: 33	3040	server.exe
Token: SeIncBasePriorityPrivilege	3040	server.exe
Token: 33	3040	server.exe
Token: SeIncBasePriorityPrivilege	3040	server.exe
Token: 33	3040	server.exe
Token: SeIncBasePriorityPrivilege	3040	server.exe
Token: 33	3040	server.exe
Token: SeIncBasePriorityPrivilege	3040	server.exe
Token: 33	3040	server.exe
Token: SeIncBasePriorityPrivilege	3040	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 3040	1984	7b4ac6ead1afb8ef52d953771da4ae26_JaffaCakes118.exe	30
PID 1984 wrote to memory of 3040	1984	7b4ac6ead1afb8ef52d953771da4ae26_JaffaCakes118.exe	30
PID 1984 wrote to memory of 3040	1984	7b4ac6ead1afb8ef52d953771da4ae26_JaffaCakes118.exe	30
PID 3040 wrote to memory of 2748	3040	server.exe	32
PID 3040 wrote to memory of 2748	3040	server.exe	32
PID 3040 wrote to memory of 2748	3040	server.exe	32

C:\Users\Admin\AppData\Local\Temp\7b4ac6ead1afb8ef52d953771da4ae26_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7b4ac6ead1afb8ef52d953771da4ae26_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1984
- 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
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3040
- - C:\Windows\system32\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
    PID:2748

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
430KB

MD5
7b4ac6ead1afb8ef52d953771da4ae26

SHA1
c0700a4e6db1b0359d9bbe874a4846b3f59e6842

SHA256
db0b7daddfb93b02c72a178832d9f41cc65e143150453c8ee25b73e9690776d8

SHA512
6e1f9fbfd22b5b57a924ad4485e138de45b974941427bac93886b16f20d73c2259bb665cf67d5a5949a55309146272688e6c4f4bb15369c63ba602e780f44eb2

Download Submit
memory/1984-0-0x000007FEF5D13000-0x000007FEF5D14000-memory.dmp

Filesize
4KB

Download
memory/1984-1-0x0000000000860000-0x00000000008D2000-memory.dmp

Filesize
456KB

Download
memory/1984-2-0x0000000000350000-0x000000000035C000-memory.dmp

Filesize
48KB

Download
memory/3040-8-0x0000000000180000-0x00000000001F2000-memory.dmp

Filesize
456KB

Download
memory/3040-9-0x000007FEF5D10000-0x000007FEF66FC000-memory.dmp

Filesize
9.9MB

Download
memory/3040-10-0x000007FEF5D10000-0x000007FEF66FC000-memory.dmp

Filesize
9.9MB

Download
memory/3040-11-0x000007FEF5D10000-0x000007FEF66FC000-memory.dmp

Filesize
9.9MB

Download
memory/3040-12-0x000007FEF5D10000-0x000007FEF66FC000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads