njrat | ddebf2f47bcc673d1981784382b9e590f8347f2b4d2d16ac5ed5863038010334

General

Target

JaffaCakes118_2104a7a18b60863b1d73b3bb082ab620.exe
Size

296KB
MD5

2104a7a18b60863b1d73b3bb082ab620
SHA1

45c746cc708635f239a9b8cf01aec6b186192bc4
SHA256

ddebf2f47bcc673d1981784382b9e590f8347f2b4d2d16ac5ed5863038010334
SHA512

17008f2006a7176a38df0e482b2131aac4c4b39ca6b56ae88c2d2a3c4d21fb27df4fe0c107447885d40635921e343eb47d319a9e7164a512f215cee9cd1a627e
SSDEEP

768:+h6X/EWNG6+DG9PG1INeBU09m4ukw6nbi/bUibwp4JDeDYISywilKFtf5vLAY1Rs:+hoEWHNeBU09kHsi/X7N6aRM

Score

10^/10

njrat scammer discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

scammer

C2

oxy01.linkpc.net:1177

Mutex

08f4dc96bbb7af09d1a37fe35c75a42f

Attributes

reg_key
08f4dc96bbb7af09d1a37fe35c75a42f
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
2004	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_2104a7a18b60863b1d73b3bb082ab620.exe

Executes dropped EXE 1 IoCs

pid	Process
2192	explorer.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_2104a7a18b60863b1d73b3bb082ab620.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2192	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3200 wrote to memory of 2192	3200	JaffaCakes118_2104a7a18b60863b1d73b3bb082ab620.exe	83
PID 3200 wrote to memory of 2192	3200	JaffaCakes118_2104a7a18b60863b1d73b3bb082ab620.exe	83
PID 3200 wrote to memory of 2192	3200	JaffaCakes118_2104a7a18b60863b1d73b3bb082ab620.exe	83
PID 2192 wrote to memory of 2004	2192	explorer.exe	84
PID 2192 wrote to memory of 2004	2192	explorer.exe	84
PID 2192 wrote to memory of 2004	2192	explorer.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2104a7a18b60863b1d73b3bb082ab620.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2104a7a18b60863b1d73b3bb082ab620.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3200
- C:\Users\Admin\AppData\Local\Temp\explorer.exe
  "C:\Users\Admin\AppData\Local\Temp\explorer.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2192
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\explorer.exe" "explorer.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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

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

1

T1562.004

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\explorer.exe

Filesize
296KB

MD5
2104a7a18b60863b1d73b3bb082ab620

SHA1
45c746cc708635f239a9b8cf01aec6b186192bc4

SHA256
ddebf2f47bcc673d1981784382b9e590f8347f2b4d2d16ac5ed5863038010334

SHA512
17008f2006a7176a38df0e482b2131aac4c4b39ca6b56ae88c2d2a3c4d21fb27df4fe0c107447885d40635921e343eb47d319a9e7164a512f215cee9cd1a627e

Download Submit
memory/2192-25-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/2192-24-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/2192-23-0x0000000004CB0000-0x0000000004CBA000-memory.dmp

Filesize
40KB

Download
memory/2192-22-0x0000000004CC0000-0x0000000004D52000-memory.dmp

Filesize
584KB

Download
memory/2192-21-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/2192-20-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3200-3-0x00000000053F0000-0x0000000005410000-memory.dmp

Filesize
128KB

Download
memory/3200-19-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3200-6-0x0000000005C80000-0x0000000006224000-memory.dmp

Filesize
5.6MB

Download
memory/3200-5-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3200-4-0x0000000005420000-0x000000000542E000-memory.dmp

Filesize
56KB

Download
memory/3200-0-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/3200-2-0x0000000005490000-0x000000000552C000-memory.dmp

Filesize
624KB

Download
memory/3200-1-0x0000000000A80000-0x0000000000AD0000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads