njrat | 62dc074f1ae5093effdea892ad6fd5c30506fab0a7ce508912d17fe63f9cbb81

General

Target

f945dd5291f1cc7457d7bccb242314c0_JaffaCakes118.exe
Size

23KB
MD5

f945dd5291f1cc7457d7bccb242314c0
SHA1

de72c1fd6f1f7a9bd02b2de2747c173de83a4162
SHA256

62dc074f1ae5093effdea892ad6fd5c30506fab0a7ce508912d17fe63f9cbb81
SHA512

02acea3115696bd020074547740d0f4dd72c691f41957e6944863ebab4b6196a5f585551f7f72156ea81a9f108e86b79f5426c5aa9f99cefc01d560398327a97
SSDEEP

384:dc6ze6e1PAhJVzC3tC1im/BsTx46PgZ0rap9H9mRvR6JZlbw8hqIusZzZar5g:3e9EJLN/WRpcnuLNg

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

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
3388	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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	f945dd5291f1cc7457d7bccb242314c0_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\38921ef0ea6ccfe30ec6445068ee1172.exe	mxwin64.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\38921ef0ea6ccfe30ec6445068ee1172.exe	mxwin64.exe

Executes dropped EXE 1 IoCs

pid	Process
5080	mxwin64.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	f945dd5291f1cc7457d7bccb242314c0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mxwin64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	5080	mxwin64.exe
Token: 33	5080	mxwin64.exe
Token: SeIncBasePriorityPrivilege	5080	mxwin64.exe
Token: 33	5080	mxwin64.exe
Token: SeIncBasePriorityPrivilege	5080	mxwin64.exe
Token: 33	5080	mxwin64.exe
Token: SeIncBasePriorityPrivilege	5080	mxwin64.exe
Token: 33	5080	mxwin64.exe
Token: SeIncBasePriorityPrivilege	5080	mxwin64.exe
Token: 33	5080	mxwin64.exe
Token: SeIncBasePriorityPrivilege	5080	mxwin64.exe
Token: 33	5080	mxwin64.exe
Token: SeIncBasePriorityPrivilege	5080	mxwin64.exe
Token: 33	5080	mxwin64.exe
Token: SeIncBasePriorityPrivilege	5080	mxwin64.exe
Token: 33	5080	mxwin64.exe
Token: SeIncBasePriorityPrivilege	5080	mxwin64.exe
Token: 33	5080	mxwin64.exe
Token: SeIncBasePriorityPrivilege	5080	mxwin64.exe
Token: 33	5080	mxwin64.exe
Token: SeIncBasePriorityPrivilege	5080	mxwin64.exe
Token: 33	5080	mxwin64.exe
Token: SeIncBasePriorityPrivilege	5080	mxwin64.exe
Token: 33	5080	mxwin64.exe
Token: SeIncBasePriorityPrivilege	5080	mxwin64.exe
Token: 33	5080	mxwin64.exe
Token: SeIncBasePriorityPrivilege	5080	mxwin64.exe
Token: 33	5080	mxwin64.exe
Token: SeIncBasePriorityPrivilege	5080	mxwin64.exe
Token: 33	5080	mxwin64.exe
Token: SeIncBasePriorityPrivilege	5080	mxwin64.exe
Token: 33	5080	mxwin64.exe
Token: SeIncBasePriorityPrivilege	5080	mxwin64.exe
Token: 33	5080	mxwin64.exe
Token: SeIncBasePriorityPrivilege	5080	mxwin64.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 5080	2780	f945dd5291f1cc7457d7bccb242314c0_JaffaCakes118.exe	82
PID 2780 wrote to memory of 5080	2780	f945dd5291f1cc7457d7bccb242314c0_JaffaCakes118.exe	82
PID 2780 wrote to memory of 5080	2780	f945dd5291f1cc7457d7bccb242314c0_JaffaCakes118.exe	82
PID 5080 wrote to memory of 3388	5080	mxwin64.exe	83
PID 5080 wrote to memory of 3388	5080	mxwin64.exe	83
PID 5080 wrote to memory of 3388	5080	mxwin64.exe	83

C:\Users\Admin\AppData\Local\Temp\f945dd5291f1cc7457d7bccb242314c0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f945dd5291f1cc7457d7bccb242314c0_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Users\Admin\AppData\Local\Temp\mxwin64.exe
  "C:\Users\Admin\AppData\Local\Temp\mxwin64.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5080
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\mxwin64.exe" "mxwin64.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3388

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\mxwin64.exe

Filesize
23KB

MD5
f945dd5291f1cc7457d7bccb242314c0

SHA1
de72c1fd6f1f7a9bd02b2de2747c173de83a4162

SHA256
62dc074f1ae5093effdea892ad6fd5c30506fab0a7ce508912d17fe63f9cbb81

SHA512
02acea3115696bd020074547740d0f4dd72c691f41957e6944863ebab4b6196a5f585551f7f72156ea81a9f108e86b79f5426c5aa9f99cefc01d560398327a97

Download Submit
memory/2780-0-0x0000000075422000-0x0000000075423000-memory.dmp

Filesize
4KB

Download
memory/2780-1-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/2780-2-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/2780-12-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/5080-13-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/5080-14-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/5080-16-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads