njrat | cb1af3c68f60224d557e97b9684ca34870fde4399fd2ae9b4ca70658316f11d3

General

Target

f69104164ea88106409ad6dfb0fa3406_JaffaCakes118.exe
Size

23KB
MD5

f69104164ea88106409ad6dfb0fa3406
SHA1

bea5273e7c9f5872a94887a827d356fcac02fa8b
SHA256

cb1af3c68f60224d557e97b9684ca34870fde4399fd2ae9b4ca70658316f11d3
SHA512

ac87b3cd1731c2338a875f2ccacdc958d274df70e42e6849fc0ebaf00fc7ceeed79424b83bf72d8a5d76c7cc4e1edd7c13ba498ce203902c9859da608a66ec52
SSDEEP

384:GLs2aUrue9Bx0RPIxHVSul0M/GrUdw6jgFIqZZj1mRvR6JZlbw8hqIusZzZlb:GgQ/ok1lzRpcnuG

Score

10^/10

njrat back in business discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Back in business

C2

remygeek.ddns.net:1177

Mutex

92a8f18febb251d7899171a22caa28b3

Attributes

reg_key
92a8f18febb251d7899171a22caa28b3
splitter
|'|'|

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
2808	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\92a8f18febb251d7899171a22caa28b3.exe	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\92a8f18febb251d7899171a22caa28b3.exe	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2400	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
2536	f69104164ea88106409ad6dfb0fa3406_JaffaCakes118.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\92a8f18febb251d7899171a22caa28b3 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\92a8f18febb251d7899171a22caa28b3 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.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	f69104164ea88106409ad6dfb0fa3406_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2400	svchost.exe
Token: 33	2400	svchost.exe
Token: SeIncBasePriorityPrivilege	2400	svchost.exe
Token: 33	2400	svchost.exe
Token: SeIncBasePriorityPrivilege	2400	svchost.exe
Token: 33	2400	svchost.exe
Token: SeIncBasePriorityPrivilege	2400	svchost.exe
Token: 33	2400	svchost.exe
Token: SeIncBasePriorityPrivilege	2400	svchost.exe
Token: 33	2400	svchost.exe
Token: SeIncBasePriorityPrivilege	2400	svchost.exe
Token: 33	2400	svchost.exe
Token: SeIncBasePriorityPrivilege	2400	svchost.exe
Token: 33	2400	svchost.exe
Token: SeIncBasePriorityPrivilege	2400	svchost.exe
Token: 33	2400	svchost.exe
Token: SeIncBasePriorityPrivilege	2400	svchost.exe
Token: 33	2400	svchost.exe
Token: SeIncBasePriorityPrivilege	2400	svchost.exe
Token: 33	2400	svchost.exe
Token: SeIncBasePriorityPrivilege	2400	svchost.exe
Token: 33	2400	svchost.exe
Token: SeIncBasePriorityPrivilege	2400	svchost.exe
Token: 33	2400	svchost.exe
Token: SeIncBasePriorityPrivilege	2400	svchost.exe
Token: 33	2400	svchost.exe
Token: SeIncBasePriorityPrivilege	2400	svchost.exe
Token: 33	2400	svchost.exe
Token: SeIncBasePriorityPrivilege	2400	svchost.exe
Token: 33	2400	svchost.exe
Token: SeIncBasePriorityPrivilege	2400	svchost.exe
Token: 33	2400	svchost.exe
Token: SeIncBasePriorityPrivilege	2400	svchost.exe
Token: 33	2400	svchost.exe
Token: SeIncBasePriorityPrivilege	2400	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2400	2536	f69104164ea88106409ad6dfb0fa3406_JaffaCakes118.exe	30
PID 2536 wrote to memory of 2400	2536	f69104164ea88106409ad6dfb0fa3406_JaffaCakes118.exe	30
PID 2536 wrote to memory of 2400	2536	f69104164ea88106409ad6dfb0fa3406_JaffaCakes118.exe	30
PID 2536 wrote to memory of 2400	2536	f69104164ea88106409ad6dfb0fa3406_JaffaCakes118.exe	30
PID 2400 wrote to memory of 2808	2400	svchost.exe	32
PID 2400 wrote to memory of 2808	2400	svchost.exe	32
PID 2400 wrote to memory of 2808	2400	svchost.exe	32
PID 2400 wrote to memory of 2808	2400	svchost.exe	32

C:\Users\Admin\AppData\Local\Temp\f69104164ea88106409ad6dfb0fa3406_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f69104164ea88106409ad6dfb0fa3406_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2400
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2808

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

System Information Discovery

1

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

\Users\Admin\AppData\Roaming\svchost.exe

Filesize
23KB

MD5
f69104164ea88106409ad6dfb0fa3406

SHA1
bea5273e7c9f5872a94887a827d356fcac02fa8b

SHA256
cb1af3c68f60224d557e97b9684ca34870fde4399fd2ae9b4ca70658316f11d3

SHA512
ac87b3cd1731c2338a875f2ccacdc958d274df70e42e6849fc0ebaf00fc7ceeed79424b83bf72d8a5d76c7cc4e1edd7c13ba498ce203902c9859da608a66ec52

Download Submit
memory/2400-10-0x0000000074660000-0x0000000074C0B000-memory.dmp

Filesize
5.7MB

Download
memory/2400-11-0x0000000074660000-0x0000000074C0B000-memory.dmp

Filesize
5.7MB

Download
memory/2400-14-0x0000000074660000-0x0000000074C0B000-memory.dmp

Filesize
5.7MB

Download
memory/2536-0-0x0000000074661000-0x0000000074662000-memory.dmp

Filesize
4KB

Download
memory/2536-1-0x0000000074660000-0x0000000074C0B000-memory.dmp

Filesize
5.7MB

Download
memory/2536-2-0x0000000074660000-0x0000000074C0B000-memory.dmp

Filesize
5.7MB

Download
memory/2536-12-0x0000000074660000-0x0000000074C0B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads