njrat | e5c293280491b39aa18a9dd92af383eafa7f560063900dcd75548be915334eb8

General

Target

JaffaCakes118_7b912ccaeb5e4c043797afca4ed14b20.exe
Size

22KB
MD5

7b912ccaeb5e4c043797afca4ed14b20
SHA1

e3ac99824f035604e8baebaf8c73f500b85509f9
SHA256

e5c293280491b39aa18a9dd92af383eafa7f560063900dcd75548be915334eb8
SHA512

2c0564144488a6cbd314e0e53ad8c06683736c1f8e2cb64637d56507fb55acd6cc2489f657764b1908749058cf92846bdc58399af6ae46292270951e9f437be7
SSDEEP

384:QluBPiZCMfdfSJrQbsLRGSIxYVL46pg/i8BD9BmRvR6JZlbw8hqIusZzZyLd:fOmhtIiRpcnuvZ

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

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
4784	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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	JaffaCakes118_7b912ccaeb5e4c043797afca4ed14b20.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\14daddca2f3010e796a6e67bcc362cca.exe	igfxtray.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\14daddca2f3010e796a6e67bcc362cca.exe	igfxtray.exe

Executes dropped EXE 1 IoCs

pid	Process
1760	igfxtray.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\14daddca2f3010e796a6e67bcc362cca = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\igfxtray.exe\" .."	igfxtray.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\14daddca2f3010e796a6e67bcc362cca = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\igfxtray.exe\" .."	igfxtray.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	JaffaCakes118_7b912ccaeb5e4c043797afca4ed14b20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxtray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1760	igfxtray.exe
Token: 33	1760	igfxtray.exe
Token: SeIncBasePriorityPrivilege	1760	igfxtray.exe
Token: 33	1760	igfxtray.exe
Token: SeIncBasePriorityPrivilege	1760	igfxtray.exe
Token: 33	1760	igfxtray.exe
Token: SeIncBasePriorityPrivilege	1760	igfxtray.exe
Token: 33	1760	igfxtray.exe
Token: SeIncBasePriorityPrivilege	1760	igfxtray.exe
Token: 33	1760	igfxtray.exe
Token: SeIncBasePriorityPrivilege	1760	igfxtray.exe
Token: 33	1760	igfxtray.exe
Token: SeIncBasePriorityPrivilege	1760	igfxtray.exe
Token: 33	1760	igfxtray.exe
Token: SeIncBasePriorityPrivilege	1760	igfxtray.exe
Token: 33	1760	igfxtray.exe
Token: SeIncBasePriorityPrivilege	1760	igfxtray.exe
Token: 33	1760	igfxtray.exe
Token: SeIncBasePriorityPrivilege	1760	igfxtray.exe
Token: 33	1760	igfxtray.exe
Token: SeIncBasePriorityPrivilege	1760	igfxtray.exe
Token: 33	1760	igfxtray.exe
Token: SeIncBasePriorityPrivilege	1760	igfxtray.exe
Token: 33	1760	igfxtray.exe
Token: SeIncBasePriorityPrivilege	1760	igfxtray.exe
Token: 33	1760	igfxtray.exe
Token: SeIncBasePriorityPrivilege	1760	igfxtray.exe
Token: 33	1760	igfxtray.exe
Token: SeIncBasePriorityPrivilege	1760	igfxtray.exe
Token: 33	1760	igfxtray.exe
Token: SeIncBasePriorityPrivilege	1760	igfxtray.exe
Token: 33	1760	igfxtray.exe
Token: SeIncBasePriorityPrivilege	1760	igfxtray.exe
Token: 33	1760	igfxtray.exe
Token: SeIncBasePriorityPrivilege	1760	igfxtray.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 1760	5056	JaffaCakes118_7b912ccaeb5e4c043797afca4ed14b20.exe	82
PID 5056 wrote to memory of 1760	5056	JaffaCakes118_7b912ccaeb5e4c043797afca4ed14b20.exe	82
PID 5056 wrote to memory of 1760	5056	JaffaCakes118_7b912ccaeb5e4c043797afca4ed14b20.exe	82
PID 1760 wrote to memory of 4784	1760	igfxtray.exe	88
PID 1760 wrote to memory of 4784	1760	igfxtray.exe	88
PID 1760 wrote to memory of 4784	1760	igfxtray.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b912ccaeb5e4c043797afca4ed14b20.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b912ccaeb5e4c043797afca4ed14b20.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5056
- C:\Users\Admin\AppData\Local\Temp\igfxtray.exe
  "C:\Users\Admin\AppData\Local\Temp\igfxtray.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:1760
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\igfxtray.exe" "igfxtray.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4784

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\igfxtray.exe

Filesize
22KB

MD5
7b912ccaeb5e4c043797afca4ed14b20

SHA1
e3ac99824f035604e8baebaf8c73f500b85509f9

SHA256
e5c293280491b39aa18a9dd92af383eafa7f560063900dcd75548be915334eb8

SHA512
2c0564144488a6cbd314e0e53ad8c06683736c1f8e2cb64637d56507fb55acd6cc2489f657764b1908749058cf92846bdc58399af6ae46292270951e9f437be7

Download Submit
memory/1760-12-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/1760-15-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/5056-0-0x00000000750E2000-0x00000000750E3000-memory.dmp

Filesize
4KB

Download
memory/5056-1-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/5056-2-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/5056-13-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads