njrat | ab561032327d25263d4e395d95659b682825d23e7df71bc979ac1ab8c022d7e3

General

Target

JaffaCakes118_fb53e8329f479cdaacbe0ed5b092557a.exe
Size

168KB
MD5

fb53e8329f479cdaacbe0ed5b092557a
SHA1

aa520e659dd7af03a6fd6db2fee5db405ce9db98
SHA256

ab561032327d25263d4e395d95659b682825d23e7df71bc979ac1ab8c022d7e3
SHA512

0080712fe87dc5d7c296871cbfb18e758576830b12b8ef26cef0419d1cf114f4ec8a11383d69bce748c68637ede4fc6c466cd445457538560ae91ca06671d2ae
SSDEEP

3072:Zx8tQMBl123mpqmBR/dvRRP8FLPf7GU9yXCRRlVwl9OmGEov:Zx8tPtR/LRP8FOpSRU

Score

10^/10

njrat @@@@@@@@@@evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

@@@@@@@@@@

C2

polatabi.ddns.net:1177

Mutex

69057315a40cac64ff327acf88289ede

Attributes

reg_key
69057315a40cac64ff327acf88289ede
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
1540	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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	JaffaCakes118_fb53e8329f479cdaacbe0ed5b092557a.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\69057315a40cac64ff327acf88289ede.exe	System.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\69057315a40cac64ff327acf88289ede.exe	System.exe

Executes dropped EXE 1 IoCs

pid	Process
3388	System.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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\69057315a40cac64ff327acf88289ede = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .."	System.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\69057315a40cac64ff327acf88289ede = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .."	System.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	3388	System.exe
Token: 33	3388	System.exe
Token: SeIncBasePriorityPrivilege	3388	System.exe
Token: 33	3388	System.exe
Token: SeIncBasePriorityPrivilege	3388	System.exe
Token: 33	3388	System.exe
Token: SeIncBasePriorityPrivilege	3388	System.exe
Token: 33	3388	System.exe
Token: SeIncBasePriorityPrivilege	3388	System.exe
Token: 33	3388	System.exe
Token: SeIncBasePriorityPrivilege	3388	System.exe
Token: 33	3388	System.exe
Token: SeIncBasePriorityPrivilege	3388	System.exe
Token: 33	3388	System.exe
Token: SeIncBasePriorityPrivilege	3388	System.exe
Token: 33	3388	System.exe
Token: SeIncBasePriorityPrivilege	3388	System.exe
Token: 33	3388	System.exe
Token: SeIncBasePriorityPrivilege	3388	System.exe
Token: 33	3388	System.exe
Token: SeIncBasePriorityPrivilege	3388	System.exe
Token: 33	3388	System.exe
Token: SeIncBasePriorityPrivilege	3388	System.exe
Token: 33	3388	System.exe
Token: SeIncBasePriorityPrivilege	3388	System.exe
Token: 33	3388	System.exe
Token: SeIncBasePriorityPrivilege	3388	System.exe
Token: 33	3388	System.exe
Token: SeIncBasePriorityPrivilege	3388	System.exe
Token: 33	3388	System.exe
Token: SeIncBasePriorityPrivilege	3388	System.exe
Token: 33	3388	System.exe
Token: SeIncBasePriorityPrivilege	3388	System.exe
Token: 33	3388	System.exe
Token: SeIncBasePriorityPrivilege	3388	System.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 744 wrote to memory of 3388	744	JaffaCakes118_fb53e8329f479cdaacbe0ed5b092557a.exe	91
PID 744 wrote to memory of 3388	744	JaffaCakes118_fb53e8329f479cdaacbe0ed5b092557a.exe	91
PID 3388 wrote to memory of 1540	3388	System.exe	98
PID 3388 wrote to memory of 1540	3388	System.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fb53e8329f479cdaacbe0ed5b092557a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fb53e8329f479cdaacbe0ed5b092557a.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:744
- C:\Users\Admin\AppData\Local\Temp\System.exe
  "C:\Users\Admin\AppData\Local\Temp\System.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3388
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\System.exe" "System.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:1540

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\System.exe

Filesize
168KB

MD5
fb53e8329f479cdaacbe0ed5b092557a

SHA1
aa520e659dd7af03a6fd6db2fee5db405ce9db98

SHA256
ab561032327d25263d4e395d95659b682825d23e7df71bc979ac1ab8c022d7e3

SHA512
0080712fe87dc5d7c296871cbfb18e758576830b12b8ef26cef0419d1cf114f4ec8a11383d69bce748c68637ede4fc6c466cd445457538560ae91ca06671d2ae

Download Submit
memory/744-6-0x00007FF8A8690000-0x00007FF8A9031000-memory.dmp

Filesize
9.6MB

Download
memory/744-1-0x00007FF8A8690000-0x00007FF8A9031000-memory.dmp

Filesize
9.6MB

Download
memory/744-3-0x000000001B4D0000-0x000000001B4DC000-memory.dmp

Filesize
48KB

Download
memory/744-4-0x000000001B590000-0x000000001B636000-memory.dmp

Filesize
664KB

Download
memory/744-5-0x000000001C540000-0x000000001CA0E000-memory.dmp

Filesize
4.8MB

Download
memory/744-0-0x00007FF8A8945000-0x00007FF8A8946000-memory.dmp

Filesize
4KB

Download
memory/744-2-0x000000001BB60000-0x000000001C06E000-memory.dmp

Filesize
5.1MB

Download
memory/744-19-0x00007FF8A8690000-0x00007FF8A9031000-memory.dmp

Filesize
9.6MB

Download
memory/3388-20-0x00007FF8A8690000-0x00007FF8A9031000-memory.dmp

Filesize
9.6MB

Download
memory/3388-21-0x00007FF8A8690000-0x00007FF8A9031000-memory.dmp

Filesize
9.6MB

Download
memory/3388-23-0x000000001CC70000-0x000000001CD0C000-memory.dmp

Filesize
624KB

Download
memory/3388-24-0x0000000000ED0000-0x0000000000ED8000-memory.dmp

Filesize
32KB

Download
memory/3388-25-0x00007FF8A8690000-0x00007FF8A9031000-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