njrat | e30ee02331f1bd99703610759ebfa0bb5d25b70a7690a2f1753c24f7997e8250

General

Target

JaffaCakes118_65616408e2f1db8638cb9961e1b57ac0.exe
Size

104KB
MD5

65616408e2f1db8638cb9961e1b57ac0
SHA1

743620f9677ef3571b77059f14861860623d3f88
SHA256

e30ee02331f1bd99703610759ebfa0bb5d25b70a7690a2f1753c24f7997e8250
SHA512

3884c57f07beee657c8dc5f57aa8606b7a38a54fe28652f48781dbb25afb5d3d47e5000f12f942cd1e0da1e9498fd036601bb2f9b4554f1e88fa3fe3ece38bfc
SSDEEP

3072:+Ma3e8/K0wiDGtCbdlflYxY8LblmIm8ed7pW:Ta3eBxVCfRKxmsed7p

Score

10^/10

njrat hacked evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

127.0.0.1:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes

reg_key
5cd8f17f4086744065eb0992a09e05a2
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
2056	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_65616408e2f1db8638cb9961e1b57ac0.exe

Executes dropped EXE 1 IoCs

pid	Process
3404	Trojan.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\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\security.config.cch.new	JaffaCakes118_65616408e2f1db8638cb9961e1b57ac0.exe
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\enterprisesec.config.cch.new	JaffaCakes118_65616408e2f1db8638cb9961e1b57ac0.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 behavior: EnumeratesProcesses 48 IoCs

pid	Process
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe
3404	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3404	Trojan.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3532 wrote to memory of 3404	3532	JaffaCakes118_65616408e2f1db8638cb9961e1b57ac0.exe	84
PID 3532 wrote to memory of 3404	3532	JaffaCakes118_65616408e2f1db8638cb9961e1b57ac0.exe	84
PID 3404 wrote to memory of 2056	3404	Trojan.exe	85
PID 3404 wrote to memory of 2056	3404	Trojan.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65616408e2f1db8638cb9961e1b57ac0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65616408e2f1db8638cb9961e1b57ac0.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3532
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3404
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:2056

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\Trojan.exe

Filesize
104KB

MD5
65616408e2f1db8638cb9961e1b57ac0

SHA1
743620f9677ef3571b77059f14861860623d3f88

SHA256
e30ee02331f1bd99703610759ebfa0bb5d25b70a7690a2f1753c24f7997e8250

SHA512
3884c57f07beee657c8dc5f57aa8606b7a38a54fe28652f48781dbb25afb5d3d47e5000f12f942cd1e0da1e9498fd036601bb2f9b4554f1e88fa3fe3ece38bfc

Download Submit
memory/3404-32-0x00007FFE0CA30000-0x00007FFE0D3D1000-memory.dmp

Filesize
9.6MB

Download
memory/3404-31-0x0000000001240000-0x0000000001248000-memory.dmp

Filesize
32KB

Download
memory/3404-30-0x000000001C520000-0x000000001C5BC000-memory.dmp

Filesize
624KB

Download
memory/3404-29-0x00007FFE0CA30000-0x00007FFE0D3D1000-memory.dmp

Filesize
9.6MB

Download
memory/3404-27-0x00007FFE0CA30000-0x00007FFE0D3D1000-memory.dmp

Filesize
9.6MB

Download
memory/3404-26-0x00007FFE0CA30000-0x00007FFE0D3D1000-memory.dmp

Filesize
9.6MB

Download
memory/3532-8-0x000000001BBC0000-0x000000001C08E000-memory.dmp

Filesize
4.8MB

Download
memory/3532-0-0x00007FFE0CCE5000-0x00007FFE0CCE6000-memory.dmp

Filesize
4KB

Download
memory/3532-9-0x000000001C090000-0x000000001C136000-memory.dmp

Filesize
664KB

Download
memory/3532-7-0x0000000000EF0000-0x0000000000EFE000-memory.dmp

Filesize
56KB

Download
memory/3532-5-0x0000000000EB0000-0x0000000000EC2000-memory.dmp

Filesize
72KB

Download
memory/3532-28-0x00007FFE0CA30000-0x00007FFE0D3D1000-memory.dmp

Filesize
9.6MB

Download
memory/3532-6-0x0000000000ED0000-0x0000000000EE2000-memory.dmp

Filesize
72KB

Download
memory/3532-4-0x0000000000E80000-0x0000000000E90000-memory.dmp

Filesize
64KB

Download
memory/3532-3-0x0000000000EC0000-0x0000000000ED0000-memory.dmp

Filesize
64KB

Download
memory/3532-2-0x00007FFE0CA30000-0x00007FFE0D3D1000-memory.dmp

Filesize
9.6MB

Download
memory/3532-1-0x00007FFE0CA30000-0x00007FFE0D3D1000-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