njrat | 48c0f6f7f79f3db7e190eb53b2e9a447ca9218a5fdf2e741e0e4e7cfa5431063

General

Target

JaffaCakes118_6e2f5978d70a44b39ca8cc9128556440.exe
Size

95KB
MD5

6e2f5978d70a44b39ca8cc9128556440
SHA1

b9e4e557e0fcec642b31c8041cdca1c3ca543a37
SHA256

48c0f6f7f79f3db7e190eb53b2e9a447ca9218a5fdf2e741e0e4e7cfa5431063
SHA512

7cf9046396aebce674cd54e9ad30f6577a60c22e1489de1b4987e1a7a25457a17581a8851c7e0943306722994406d5d00377c3a6e5f39330614048e0cec341e1
SSDEEP

1536:wYoRZBGJmPhoUtAGzCDbyRiL7deGFfLwxg0mTIGapJpp:wYiPhpX+Db3ndeGhMLr/n

Score

10^/10

njrat hacked evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

nod327.no-ip.biz:1153

Mutex

9c9e5f3b01650e64c8401e786abd95b0

Attributes

reg_key
9c9e5f3b01650e64c8401e786abd95b0
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
2416	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_6e2f5978d70a44b39ca8cc9128556440.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9c9e5f3b01650e64c8401e786abd95b0.exe	T0.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9c9e5f3b01650e64c8401e786abd95b0.exe	T0.exe

Executes dropped EXE 1 IoCs

pid	Process
1648	T0.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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9c9e5f3b01650e64c8401e786abd95b0 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\T0.exe\" .."	T0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9c9e5f3b01650e64c8401e786abd95b0 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\T0.exe\" .."	T0.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	JaffaCakes118_6e2f5978d70a44b39ca8cc9128556440.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	JaffaCakes118_6e2f5978d70a44b39ca8cc9128556440.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	JaffaCakes118_6e2f5978d70a44b39ca8cc9128556440.exe
File created	C:\Windows\assembly\Desktop.ini	JaffaCakes118_6e2f5978d70a44b39ca8cc9128556440.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	JaffaCakes118_6e2f5978d70a44b39ca8cc9128556440.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
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe
1648	T0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1648	T0.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 1648	2868	JaffaCakes118_6e2f5978d70a44b39ca8cc9128556440.exe	85
PID 2868 wrote to memory of 1648	2868	JaffaCakes118_6e2f5978d70a44b39ca8cc9128556440.exe	85
PID 1648 wrote to memory of 2416	1648	T0.exe	86
PID 1648 wrote to memory of 2416	1648	T0.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e2f5978d70a44b39ca8cc9128556440.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e2f5978d70a44b39ca8cc9128556440.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Users\Admin\AppData\Local\Temp\T0.exe
  "C:\Users\Admin\AppData\Local\Temp\T0.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1648
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\T0.exe" "T0.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:2416

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\T0.exe

Filesize
95KB

MD5
6e2f5978d70a44b39ca8cc9128556440

SHA1
b9e4e557e0fcec642b31c8041cdca1c3ca543a37

SHA256
48c0f6f7f79f3db7e190eb53b2e9a447ca9218a5fdf2e741e0e4e7cfa5431063

SHA512
7cf9046396aebce674cd54e9ad30f6577a60c22e1489de1b4987e1a7a25457a17581a8851c7e0943306722994406d5d00377c3a6e5f39330614048e0cec341e1

Download Submit
memory/1648-25-0x00007FFAF2B00000-0x00007FFAF34A1000-memory.dmp

Filesize
9.6MB

Download
memory/1648-24-0x00007FFAF2B00000-0x00007FFAF34A1000-memory.dmp

Filesize
9.6MB

Download
memory/1648-29-0x00007FFAF2B00000-0x00007FFAF34A1000-memory.dmp

Filesize
9.6MB

Download
memory/1648-28-0x000000001B5D0000-0x000000001B5D8000-memory.dmp

Filesize
32KB

Download
memory/1648-27-0x000000001CC00000-0x000000001CC9C000-memory.dmp

Filesize
624KB

Download
memory/1648-22-0x00007FFAF2B00000-0x00007FFAF34A1000-memory.dmp

Filesize
9.6MB

Download
memory/2868-2-0x000000001B310000-0x000000001B446000-memory.dmp

Filesize
1.2MB

Download
memory/2868-8-0x000000001B0E0000-0x000000001B0EE000-memory.dmp

Filesize
56KB

Download
memory/2868-9-0x000000001C710000-0x000000001C7B6000-memory.dmp

Filesize
664KB

Download
memory/2868-23-0x00007FFAF2B00000-0x00007FFAF34A1000-memory.dmp

Filesize
9.6MB

Download
memory/2868-1-0x00007FFAF2B00000-0x00007FFAF34A1000-memory.dmp

Filesize
9.6MB

Download
memory/2868-0-0x00007FFAF2DB5000-0x00007FFAF2DB6000-memory.dmp

Filesize
4KB

Download
memory/2868-5-0x000000001B0D0000-0x000000001B0DC000-memory.dmp

Filesize
48KB

Download
memory/2868-3-0x00007FFAF2B00000-0x00007FFAF34A1000-memory.dmp

Filesize
9.6MB

Download
memory/2868-4-0x000000001B920000-0x000000001BDEE000-memory.dmp

Filesize
4.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads