njrat | 97dd41743346198cd775d0b18e6a44dc3d75df4273378f9f5b4b84d7b53159e2

General

Target

JaffaCakes118_6067b027089481ea72cd18b2882768f0.exe
Size

80KB
MD5

6067b027089481ea72cd18b2882768f0
SHA1

9e36042c99d5635989327cfffd2e0ead0d786d8b
SHA256

97dd41743346198cd775d0b18e6a44dc3d75df4273378f9f5b4b84d7b53159e2
SHA512

51c2d0280819cfba01917b69fde4b60da034917c8daac7a1bf45f72000346433e369539936941bc8bca0341e88d67c9be07bd25e2395a9f39c7802e1e68ca085
SSDEEP

1536:zA8MK9KTyAKY1XT+5pcrk+v5KAqkceml11ZJb:j5B5SrXKAHcegrb

Score

10^/10

njrat hacked evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

abunasreeeecom.ddns.net:5552

Mutex

26b6b4d063df431e0e2d530a57f410e6

Attributes

reg_key
26b6b4d063df431e0e2d530a57f410e6
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
1312	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6067b027089481ea72cd18b2882768f0.exe

Executes dropped EXE 1 IoCs

pid	Process
1660	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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\26b6b4d063df431e0e2d530a57f410e6 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\26b6b4d063df431e0e2d530a57f410e6 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	JaffaCakes118_6067b027089481ea72cd18b2882768f0.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	JaffaCakes118_6067b027089481ea72cd18b2882768f0.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\enterprisesec.config.cch.new	JaffaCakes118_6067b027089481ea72cd18b2882768f0.exe
File opened for modification	C:\Windows\assembly	JaffaCakes118_6067b027089481ea72cd18b2882768f0.exe
File created	C:\Windows\assembly\Desktop.ini	JaffaCakes118_6067b027089481ea72cd18b2882768f0.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	JaffaCakes118_6067b027089481ea72cd18b2882768f0.exe
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\security.config.cch.new	JaffaCakes118_6067b027089481ea72cd18b2882768f0.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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe
Token: 33	1660	server.exe
Token: SeIncBasePriorityPrivilege	1660	server.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 408 wrote to memory of 1660	408	JaffaCakes118_6067b027089481ea72cd18b2882768f0.exe	86
PID 408 wrote to memory of 1660	408	JaffaCakes118_6067b027089481ea72cd18b2882768f0.exe	86
PID 1660 wrote to memory of 1312	1660	server.exe	96
PID 1660 wrote to memory of 1312	1660	server.exe	96

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6067b027089481ea72cd18b2882768f0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6067b027089481ea72cd18b2882768f0.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:408
- 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:1660
- - 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:1312

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
80KB

MD5
6067b027089481ea72cd18b2882768f0

SHA1
9e36042c99d5635989327cfffd2e0ead0d786d8b

SHA256
97dd41743346198cd775d0b18e6a44dc3d75df4273378f9f5b4b84d7b53159e2

SHA512
51c2d0280819cfba01917b69fde4b60da034917c8daac7a1bf45f72000346433e369539936941bc8bca0341e88d67c9be07bd25e2395a9f39c7802e1e68ca085

Download Submit
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\security.config.cch

Filesize
908B

MD5
c1d89cf35762db1173b0c16d0e8a05f8

SHA1
d7cfaf40df76f28a893601f38b526075a03fa761

SHA256
6049562f76ceb1fc580a4cc48b3c090481f5e282016388b4bf29b6cef5ad76f5

SHA512
1a65ccec0d6949dd7c162a337503fa26c9aab7b5f1adae6ec8d4c5cd7d89b0eddd2de761e07838ce9913bb8d7c62bb26421a24f3a475cc63788b5c04692e587a

Download Submit
memory/408-16-0x00007FF98C940000-0x00007FF98D2E1000-memory.dmp

Filesize
9.6MB

Download
memory/408-6-0x000000001B4B0000-0x000000001B4BE000-memory.dmp

Filesize
56KB

Download
memory/408-2-0x00007FF98C940000-0x00007FF98D2E1000-memory.dmp

Filesize
9.6MB

Download
memory/408-1-0x00007FF98C940000-0x00007FF98D2E1000-memory.dmp

Filesize
9.6MB

Download
memory/408-8-0x0000000000D40000-0x0000000000D4C000-memory.dmp

Filesize
48KB

Download
memory/408-12-0x000000001B6A0000-0x000000001B746000-memory.dmp

Filesize
664KB

Download
memory/408-13-0x00007FF98C940000-0x00007FF98D2E1000-memory.dmp

Filesize
9.6MB

Download
memory/408-11-0x000000001B4C0000-0x000000001B4CC000-memory.dmp

Filesize
48KB

Download
memory/408-10-0x000000001B340000-0x000000001B348000-memory.dmp

Filesize
32KB

Download
memory/408-9-0x000000001B360000-0x000000001B36A000-memory.dmp

Filesize
40KB

Download
memory/408-14-0x000000001BC20000-0x000000001C0EE000-memory.dmp

Filesize
4.8MB

Download
memory/408-15-0x00007FF98CBF5000-0x00007FF98CBF6000-memory.dmp

Filesize
4KB

Download
memory/408-0-0x00007FF98CBF5000-0x00007FF98CBF6000-memory.dmp

Filesize
4KB

Download
memory/408-3-0x0000000000D00000-0x0000000000D0E000-memory.dmp

Filesize
56KB

Download
memory/408-7-0x00007FF98C940000-0x00007FF98D2E1000-memory.dmp

Filesize
9.6MB

Download
memory/408-38-0x00007FF98C940000-0x00007FF98D2E1000-memory.dmp

Filesize
9.6MB

Download
memory/408-34-0x00007FF98C940000-0x00007FF98D2E1000-memory.dmp

Filesize
9.6MB

Download
memory/1660-33-0x00007FF98C940000-0x00007FF98D2E1000-memory.dmp

Filesize
9.6MB

Download
memory/1660-37-0x00007FF98C940000-0x00007FF98D2E1000-memory.dmp

Filesize
9.6MB

Download
memory/1660-39-0x00007FF98C940000-0x00007FF98D2E1000-memory.dmp

Filesize
9.6MB

Download
memory/1660-32-0x00007FF98C940000-0x00007FF98D2E1000-memory.dmp

Filesize
9.6MB

Download
memory/1660-40-0x000000001BD40000-0x000000001BDDC000-memory.dmp

Filesize
624KB

Download
memory/1660-41-0x0000000000860000-0x0000000000868000-memory.dmp

Filesize
32KB

Download
memory/1660-42-0x00007FF98C940000-0x00007FF98D2E1000-memory.dmp

Filesize
9.6MB

Download
memory/1660-43-0x00007FF98C940000-0x00007FF98D2E1000-memory.dmp

Filesize
9.6MB

Download
memory/1660-44-0x00007FF98C940000-0x00007FF98D2E1000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads