njrat | ff32ad858c823f2c6f318d5f306708a94dbb02a02193e69f8f5ba663ae8f8b7c

General

Target

JaffaCakes118_597c96810b1bfd18f7bbb2479a69fa20.exe
Size

942KB
MD5

597c96810b1bfd18f7bbb2479a69fa20
SHA1

04e755e11b1c8b6d447d3cd11928f66ae8b10f14
SHA256

ff32ad858c823f2c6f318d5f306708a94dbb02a02193e69f8f5ba663ae8f8b7c
SHA512

15bb08d21511630986754b6d8e9fb17e70e49bbcdb7557d1ca90b250f6e129804d3846d74d00b744d8fef03477701d6c659ae8e6057d11daad0e5db6c0c6628c
SSDEEP

24576:Y/MY178kXE6/g0d882rs1geQx+/G8PF0Bi0m:YykXE6o0dDdQxIBFx0

Score

10^/10

njrat hacked evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

192.168.1.3:1177

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
116	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_597c96810b1bfd18f7bbb2479a69fa20.exe

Executes dropped EXE 1 IoCs

pid	Process
1120	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-1-5-21-2878641211-696417878-3864914810-1000\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_597c96810b1bfd18f7bbb2479a69fa20.exe
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\enterprisesec.config.cch.new	JaffaCakes118_597c96810b1bfd18f7bbb2479a69fa20.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
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe
1120	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1120	Trojan.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 1120	4460	JaffaCakes118_597c96810b1bfd18f7bbb2479a69fa20.exe	83
PID 4460 wrote to memory of 1120	4460	JaffaCakes118_597c96810b1bfd18f7bbb2479a69fa20.exe	83
PID 1120 wrote to memory of 116	1120	Trojan.exe	84
PID 1120 wrote to memory of 116	1120	Trojan.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_597c96810b1bfd18f7bbb2479a69fa20.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_597c96810b1bfd18f7bbb2479a69fa20.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4460
- 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:1120
- - 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:116

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
942KB

MD5
597c96810b1bfd18f7bbb2479a69fa20

SHA1
04e755e11b1c8b6d447d3cd11928f66ae8b10f14

SHA256
ff32ad858c823f2c6f318d5f306708a94dbb02a02193e69f8f5ba663ae8f8b7c

SHA512
15bb08d21511630986754b6d8e9fb17e70e49bbcdb7557d1ca90b250f6e129804d3846d74d00b744d8fef03477701d6c659ae8e6057d11daad0e5db6c0c6628c

Download Submit
memory/1120-31-0x00007FF989C60000-0x00007FF98A601000-memory.dmp

Filesize
9.6MB

Download
memory/1120-30-0x00007FF989C60000-0x00007FF98A601000-memory.dmp

Filesize
9.6MB

Download
memory/1120-29-0x000000001B120000-0x000000001B128000-memory.dmp

Filesize
32KB

Download
memory/1120-28-0x000000001C0B0000-0x000000001C14C000-memory.dmp

Filesize
624KB

Download
memory/1120-24-0x00007FF989C60000-0x00007FF98A601000-memory.dmp

Filesize
9.6MB

Download
memory/1120-23-0x00007FF989C60000-0x00007FF98A601000-memory.dmp

Filesize
9.6MB

Download
memory/1120-22-0x00007FF989C60000-0x00007FF98A601000-memory.dmp

Filesize
9.6MB

Download
memory/4460-4-0x0000000001920000-0x000000000192A000-memory.dmp

Filesize
40KB

Download
memory/4460-7-0x000000001CBF0000-0x000000001CC96000-memory.dmp

Filesize
664KB

Download
memory/4460-6-0x000000001C670000-0x000000001CB3E000-memory.dmp

Filesize
4.8MB

Download
memory/4460-5-0x0000000001820000-0x000000000182E000-memory.dmp

Filesize
56KB

Download
memory/4460-27-0x00007FF989C60000-0x00007FF98A601000-memory.dmp

Filesize
9.6MB

Download
memory/4460-0-0x00007FF989F15000-0x00007FF989F16000-memory.dmp

Filesize
4KB

Download
memory/4460-3-0x000000001C070000-0x000000001C150000-memory.dmp

Filesize
896KB

Download
memory/4460-2-0x00007FF989C60000-0x00007FF98A601000-memory.dmp

Filesize
9.6MB

Download
memory/4460-1-0x00007FF989C60000-0x00007FF98A601000-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