njrat | 5f69a1bb4c4a4d1b7a1fc985461ae8c3ca368c8eaede244c573c0f54eccc0c78

General

Target

6077bb7801e112f11662f0a6fbd2f259_JaffaCakes118.exe
Size

347KB
MD5

6077bb7801e112f11662f0a6fbd2f259
SHA1

7f2f158d1df1009b0a76b439d506b22bdd7ee5fd
SHA256

5f69a1bb4c4a4d1b7a1fc985461ae8c3ca368c8eaede244c573c0f54eccc0c78
SHA512

06ef1b3873909aed5310bfe579f2064b42a160efc7ce9cb1dbe75ccff38b53a070bcb22e3c380a3c32a00d8753f5e14d984f854e1ecd00dd060547a23290c7ee
SSDEEP

6144:aQ6CCRvH5w9uLsNDt6v1nFqErfMVlEt/RDQCOgKJuk:2RfTLsND6vqErxt/5VOHu

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

279f6960ed84a752570aca7fb2dc1552

Attributes

reg_key
279f6960ed84a752570aca7fb2dc1552
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
2764	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
772	.exe
2448	server.exe

Loads dropped DLL 1 IoCs

pid	Process
772	.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\279f6960ed84a752570aca7fb2dc1552 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\279f6960ed84a752570aca7fb2dc1552 = "\"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	.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	2448	server.exe
Token: 33	2448	server.exe
Token: SeIncBasePriorityPrivilege	2448	server.exe
Token: 33	2448	server.exe
Token: SeIncBasePriorityPrivilege	2448	server.exe
Token: 33	2448	server.exe
Token: SeIncBasePriorityPrivilege	2448	server.exe
Token: 33	2448	server.exe
Token: SeIncBasePriorityPrivilege	2448	server.exe
Token: 33	2448	server.exe
Token: SeIncBasePriorityPrivilege	2448	server.exe
Token: 33	2448	server.exe
Token: SeIncBasePriorityPrivilege	2448	server.exe
Token: 33	2448	server.exe
Token: SeIncBasePriorityPrivilege	2448	server.exe
Token: 33	2448	server.exe
Token: SeIncBasePriorityPrivilege	2448	server.exe
Token: 33	2448	server.exe
Token: SeIncBasePriorityPrivilege	2448	server.exe
Token: 33	2448	server.exe
Token: SeIncBasePriorityPrivilege	2448	server.exe
Token: 33	2448	server.exe
Token: SeIncBasePriorityPrivilege	2448	server.exe
Token: 33	2448	server.exe
Token: SeIncBasePriorityPrivilege	2448	server.exe
Token: 33	2448	server.exe
Token: SeIncBasePriorityPrivilege	2448	server.exe
Token: 33	2448	server.exe
Token: SeIncBasePriorityPrivilege	2448	server.exe
Token: 33	2448	server.exe
Token: SeIncBasePriorityPrivilege	2448	server.exe
Token: 33	2448	server.exe
Token: SeIncBasePriorityPrivilege	2448	server.exe
Token: 33	2448	server.exe
Token: SeIncBasePriorityPrivilege	2448	server.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 772	2056	6077bb7801e112f11662f0a6fbd2f259_JaffaCakes118.exe	30
PID 2056 wrote to memory of 772	2056	6077bb7801e112f11662f0a6fbd2f259_JaffaCakes118.exe	30
PID 2056 wrote to memory of 772	2056	6077bb7801e112f11662f0a6fbd2f259_JaffaCakes118.exe	30
PID 2056 wrote to memory of 772	2056	6077bb7801e112f11662f0a6fbd2f259_JaffaCakes118.exe	30
PID 772 wrote to memory of 2448	772	.exe	31
PID 772 wrote to memory of 2448	772	.exe	31
PID 772 wrote to memory of 2448	772	.exe	31
PID 772 wrote to memory of 2448	772	.exe	31
PID 2448 wrote to memory of 2764	2448	server.exe	33
PID 2448 wrote to memory of 2764	2448	server.exe	33
PID 2448 wrote to memory of 2764	2448	server.exe	33
PID 2448 wrote to memory of 2764	2448	server.exe	33

C:\Users\Admin\AppData\Local\Temp\6077bb7801e112f11662f0a6fbd2f259_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6077bb7801e112f11662f0a6fbd2f259_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Users\Admin\AppData\Local\Temp\.exe
  "C:\Users\Admin\AppData\Local\Temp\.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:772
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2448
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2764

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

Filesize
23KB

MD5
6a37d776ed563c963cf82ccf86747bf4

SHA1
5464506f881a97e5e6d4e420829f2b2efb649194

SHA256
f64d95307444247308846be26689cdc713bf65f9f5032a5a0d70a420a70846cc

SHA512
1b465b637817ed3e7c90206c59d5361ea3bbbac239a4f8e055278abca4461179eac49a8baa00d8800980934dcb0bfba5076d17e8841aa7cc786b58477c2b842d

Download Submit
memory/772-11-0x0000000074191000-0x0000000074192000-memory.dmp

Filesize
4KB

Download
memory/772-12-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/772-13-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/772-21-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/2056-0-0x000007FEF5283000-0x000007FEF5284000-memory.dmp

Filesize
4KB

Download
memory/2056-1-0x0000000000C40000-0x0000000000C9C000-memory.dmp

Filesize
368KB

Download
memory/2056-2-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/2056-3-0x000007FEF5280000-0x000007FEF5C6C000-memory.dmp

Filesize
9.9MB

Download
memory/2056-10-0x000007FEF5280000-0x000007FEF5C6C000-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