njrat | 902dcd066ae1cf9d5597c41fada88041bed6756e7f587f2b0379dc45fa3f8aa8

General

Target

JaffaCakes118_6c2f4dfea5d113843c09d4f940ae1c90.exe
Size

55KB
MD5

6c2f4dfea5d113843c09d4f940ae1c90
SHA1

3ded29de56f4d4c986a3bc85bf878622e2814641
SHA256

902dcd066ae1cf9d5597c41fada88041bed6756e7f587f2b0379dc45fa3f8aa8
SHA512

97fd2da037a194ffbaf3746ddc66bdb17e0b3416ae4c092f7456b3bffe2352f837bab4dd68a9fff97cd6c506e7240fc1c6133c3c9354c068c77d48398331cef4
SSDEEP

1536:spx1cAd08AzTC+r47E5B0x5IXQdzGOF/rx:kx1cAdJETNrkiuxWAM8x

Score

10^/10

njrat جديد evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

جديد

C2

kazimali00.no-ip.org:5552

Mutex

92c0d81affa225c91e4be25ce2f1a838

Attributes

reg_key
92c0d81affa225c91e4be25ce2f1a838
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
4140	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6c2f4dfea5d113843c09d4f940ae1c90.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\92c0d81affa225c91e4be25ce2f1a838.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\92c0d81affa225c91e4be25ce2f1a838.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
344	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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\92c0d81affa225c91e4be25ce2f1a838 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\92c0d81affa225c91e4be25ce2f1a838 = "\"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	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1468 wrote to memory of 344	1468	JaffaCakes118_6c2f4dfea5d113843c09d4f940ae1c90.exe	82
PID 1468 wrote to memory of 344	1468	JaffaCakes118_6c2f4dfea5d113843c09d4f940ae1c90.exe	82
PID 344 wrote to memory of 4140	344	server.exe	87
PID 344 wrote to memory of 4140	344	server.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c2f4dfea5d113843c09d4f940ae1c90.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c2f4dfea5d113843c09d4f940ae1c90.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1468
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:344
- - 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:4140

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
55KB

MD5
6c2f4dfea5d113843c09d4f940ae1c90

SHA1
3ded29de56f4d4c986a3bc85bf878622e2814641

SHA256
902dcd066ae1cf9d5597c41fada88041bed6756e7f587f2b0379dc45fa3f8aa8

SHA512
97fd2da037a194ffbaf3746ddc66bdb17e0b3416ae4c092f7456b3bffe2352f837bab4dd68a9fff97cd6c506e7240fc1c6133c3c9354c068c77d48398331cef4

Download Submit
memory/344-24-0x00007FFB308F0000-0x00007FFB313B1000-memory.dmp

Filesize
10.8MB

Download
memory/344-23-0x00007FFB308F0000-0x00007FFB313B1000-memory.dmp

Filesize
10.8MB

Download
memory/344-21-0x00007FFB308F0000-0x00007FFB313B1000-memory.dmp

Filesize
10.8MB

Download
memory/344-20-0x00007FFB308F0000-0x00007FFB313B1000-memory.dmp

Filesize
10.8MB

Download
memory/1468-3-0x0000000002EA0000-0x0000000002EA8000-memory.dmp

Filesize
32KB

Download
memory/1468-6-0x00007FFB308F0000-0x00007FFB313B1000-memory.dmp

Filesize
10.8MB

Download
memory/1468-4-0x0000000002EC0000-0x0000000002ECA000-memory.dmp

Filesize
40KB

Download
memory/1468-19-0x00007FFB308F0000-0x00007FFB313B1000-memory.dmp

Filesize
10.8MB

Download
memory/1468-5-0x0000000002ED0000-0x0000000002EDA000-memory.dmp

Filesize
40KB

Download
memory/1468-0-0x00007FFB308F3000-0x00007FFB308F5000-memory.dmp

Filesize
8KB

Download
memory/1468-2-0x0000000002E90000-0x0000000002EA6000-memory.dmp

Filesize
88KB

Download
memory/1468-1-0x0000000000D20000-0x0000000000D34000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads