njrat | 9f59be2318422385df731894b8d0ac1ad3de7ef863c8c4d3ee87a12b185a420a

General

Target

JaffaCakes118_61958a48f9dbd797759a84194d4eec30.exe
Size

181KB
MD5

61958a48f9dbd797759a84194d4eec30
SHA1

556672df447ae19721e32e9aa2b5e8008324818c
SHA256

9f59be2318422385df731894b8d0ac1ad3de7ef863c8c4d3ee87a12b185a420a
SHA512

557ba02c4f1f10d1c99b38aed2f406d94e22433be12949070e6367cb956f77daf8fe1371002aeb663909f0eb77d8a7db32c6757cf0d3523ad411c5509c5c3ded
SSDEEP

3072:ww0uY/dqQQwwAxIKj1xU/eP2sWpcArH7FvRiHcWT6dVlQ0zPePVDBuBjUPFGoaa:wwbmwsIs1xRP2sWNrH7TSbYjlPYXqHP

Score

10^/10

njrat علي الكعبي discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

علي الكعبي

C2

alawe5.ddns.net:1525

Mutex

4bc44216fa697f444bbb61af4b1f0d44

Attributes

reg_key
4bc44216fa697f444bbb61af4b1f0d44
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
2664	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_61958a48f9dbd797759a84194d4eec30.exe

Executes dropped EXE 1 IoCs

pid	Process
4460	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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4bc44216fa697f444bbb61af4b1f0d44 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\4bc44216fa697f444bbb61af4b1f0d44 = "\"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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	JaffaCakes118_61958a48f9dbd797759a84194d4eec30.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	4460	server.exe
Token: 33	4460	server.exe
Token: SeIncBasePriorityPrivilege	4460	server.exe
Token: 33	4460	server.exe
Token: SeIncBasePriorityPrivilege	4460	server.exe
Token: 33	4460	server.exe
Token: SeIncBasePriorityPrivilege	4460	server.exe
Token: 33	4460	server.exe
Token: SeIncBasePriorityPrivilege	4460	server.exe
Token: 33	4460	server.exe
Token: SeIncBasePriorityPrivilege	4460	server.exe
Token: 33	4460	server.exe
Token: SeIncBasePriorityPrivilege	4460	server.exe
Token: 33	4460	server.exe
Token: SeIncBasePriorityPrivilege	4460	server.exe
Token: 33	4460	server.exe
Token: SeIncBasePriorityPrivilege	4460	server.exe
Token: 33	4460	server.exe
Token: SeIncBasePriorityPrivilege	4460	server.exe
Token: 33	4460	server.exe
Token: SeIncBasePriorityPrivilege	4460	server.exe
Token: 33	4460	server.exe
Token: SeIncBasePriorityPrivilege	4460	server.exe
Token: 33	4460	server.exe
Token: SeIncBasePriorityPrivilege	4460	server.exe
Token: 33	4460	server.exe
Token: SeIncBasePriorityPrivilege	4460	server.exe
Token: 33	4460	server.exe
Token: SeIncBasePriorityPrivilege	4460	server.exe
Token: 33	4460	server.exe
Token: SeIncBasePriorityPrivilege	4460	server.exe
Token: 33	4460	server.exe
Token: SeIncBasePriorityPrivilege	4460	server.exe
Token: 33	4460	server.exe
Token: SeIncBasePriorityPrivilege	4460	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 4460	4712	JaffaCakes118_61958a48f9dbd797759a84194d4eec30.exe	82
PID 4712 wrote to memory of 4460	4712	JaffaCakes118_61958a48f9dbd797759a84194d4eec30.exe	82
PID 4712 wrote to memory of 4460	4712	JaffaCakes118_61958a48f9dbd797759a84194d4eec30.exe	82
PID 4460 wrote to memory of 2664	4460	server.exe	83
PID 4460 wrote to memory of 2664	4460	server.exe	83
PID 4460 wrote to memory of 2664	4460	server.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61958a48f9dbd797759a84194d4eec30.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61958a48f9dbd797759a84194d4eec30.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4712
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4460
- - C:\Windows\SysWOW64\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
    - System Location Discovery: System Language Discovery
    PID:2664

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

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\server.exe

Filesize
181KB

MD5
61958a48f9dbd797759a84194d4eec30

SHA1
556672df447ae19721e32e9aa2b5e8008324818c

SHA256
9f59be2318422385df731894b8d0ac1ad3de7ef863c8c4d3ee87a12b185a420a

SHA512
557ba02c4f1f10d1c99b38aed2f406d94e22433be12949070e6367cb956f77daf8fe1371002aeb663909f0eb77d8a7db32c6757cf0d3523ad411c5509c5c3ded

Download Submit
memory/4460-29-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4460-28-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4460-27-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4460-26-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4460-25-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4460-24-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4712-4-0x0000000004A10000-0x0000000004AAC000-memory.dmp

Filesize
624KB

Download
memory/4712-8-0x00000000052A0000-0x00000000052F6000-memory.dmp

Filesize
344KB

Download
memory/4712-9-0x00000000058A0000-0x00000000058AC000-memory.dmp

Filesize
48KB

Download
memory/4712-10-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4712-7-0x0000000005260000-0x000000000526A000-memory.dmp

Filesize
40KB

Download
memory/4712-6-0x0000000005060000-0x00000000050F2000-memory.dmp

Filesize
584KB

Download
memory/4712-23-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4712-5-0x0000000004AB0000-0x0000000005054000-memory.dmp

Filesize
5.6MB

Download
memory/4712-0-0x000000007486E000-0x000000007486F000-memory.dmp

Filesize
4KB

Download
memory/4712-3-0x00000000048F0000-0x000000000490A000-memory.dmp

Filesize
104KB

Download
memory/4712-2-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4712-1-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads