njrat | e58d01ecd88c6acb84893e0a4ecbc823cc3715770d22e1e761f9c5ec9b44d5b1

General

Target

75af76d2a53d30d3d005ed79719b0839_JaffaCakes118.exe
Size

23KB
MD5

75af76d2a53d30d3d005ed79719b0839
SHA1

e811f724203ec37b0ac9906349db186a190540ba
SHA256

e58d01ecd88c6acb84893e0a4ecbc823cc3715770d22e1e761f9c5ec9b44d5b1
SHA512

d512cbbe97f7a1bb6bd7744192e7b845d89544ef008cd241d22b4f69ebc9be8796388efe49a96d7d203fc994f8af8ece63f2664560a357f943db74e611c177a7
SSDEEP

384:yluBPiZCMfdfSJrQbsLRGSIxYVL46pg/i8BD9BmRvR6JZlbw8hqIusZzZLm:lOmhtIiRpcnuh

Score

10^/10

njrat evasion persistence trojan

Malware Config

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

Processes:

netsh.exe

pid process

4484 netsh.exe

pid	process
4484	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

Processes:

75af76d2a53d30d3d005ed79719b0839_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	75af76d2a53d30d3d005ed79719b0839_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

server.exe

pid process

4356 server.exe

pid	process
4356	server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ac439180f0d27caad533e0a9c298c9a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ac439180f0d27caad533e0a9c298c9a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	4356	server.exe
Token: 33	4356	server.exe
Token: SeIncBasePriorityPrivilege	4356	server.exe
Token: 33	4356	server.exe
Token: SeIncBasePriorityPrivilege	4356	server.exe
Token: 33	4356	server.exe
Token: SeIncBasePriorityPrivilege	4356	server.exe
Token: 33	4356	server.exe
Token: SeIncBasePriorityPrivilege	4356	server.exe
Token: 33	4356	server.exe
Token: SeIncBasePriorityPrivilege	4356	server.exe
Token: 33	4356	server.exe
Token: SeIncBasePriorityPrivilege	4356	server.exe
Token: 33	4356	server.exe
Token: SeIncBasePriorityPrivilege	4356	server.exe
Token: 33	4356	server.exe
Token: SeIncBasePriorityPrivilege	4356	server.exe
Token: 33	4356	server.exe
Token: SeIncBasePriorityPrivilege	4356	server.exe
Token: 33	4356	server.exe
Token: SeIncBasePriorityPrivilege	4356	server.exe
Token: 33	4356	server.exe
Token: SeIncBasePriorityPrivilege	4356	server.exe
Token: 33	4356	server.exe
Token: SeIncBasePriorityPrivilege	4356	server.exe
Token: 33	4356	server.exe
Token: SeIncBasePriorityPrivilege	4356	server.exe
Token: 33	4356	server.exe
Token: SeIncBasePriorityPrivilege	4356	server.exe
Token: 33	4356	server.exe
Token: SeIncBasePriorityPrivilege	4356	server.exe
Token: 33	4356	server.exe
Token: SeIncBasePriorityPrivilege	4356	server.exe
Token: 33	4356	server.exe
Token: SeIncBasePriorityPrivilege	4356	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

75af76d2a53d30d3d005ed79719b0839_JaffaCakes118.exeserver.exe

description	pid	process	target process
PID 720 wrote to memory of 4356	720	75af76d2a53d30d3d005ed79719b0839_JaffaCakes118.exe	server.exe
PID 720 wrote to memory of 4356	720	75af76d2a53d30d3d005ed79719b0839_JaffaCakes118.exe	server.exe
PID 720 wrote to memory of 4356	720	75af76d2a53d30d3d005ed79719b0839_JaffaCakes118.exe	server.exe
PID 4356 wrote to memory of 4484	4356	server.exe	netsh.exe
PID 4356 wrote to memory of 4484	4356	server.exe	netsh.exe
PID 4356 wrote to memory of 4484	4356	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\75af76d2a53d30d3d005ed79719b0839_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\75af76d2a53d30d3d005ed79719b0839_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:720
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4356
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:4484

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

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

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\server.exe

Filesize
23KB

MD5
75af76d2a53d30d3d005ed79719b0839

SHA1
e811f724203ec37b0ac9906349db186a190540ba

SHA256
e58d01ecd88c6acb84893e0a4ecbc823cc3715770d22e1e761f9c5ec9b44d5b1

SHA512
d512cbbe97f7a1bb6bd7744192e7b845d89544ef008cd241d22b4f69ebc9be8796388efe49a96d7d203fc994f8af8ece63f2664560a357f943db74e611c177a7

Download Submit
memory/720-0-0x0000000074A12000-0x0000000074A13000-memory.dmp

Filesize
4KB

Download
memory/720-1-0x0000000074A10000-0x0000000074FC1000-memory.dmp

Filesize
5.7MB

Download
memory/720-2-0x0000000074A10000-0x0000000074FC1000-memory.dmp

Filesize
5.7MB

Download
memory/720-12-0x0000000074A10000-0x0000000074FC1000-memory.dmp

Filesize
5.7MB

Download
memory/4356-13-0x0000000074A10000-0x0000000074FC1000-memory.dmp

Filesize
5.7MB

Download
memory/4356-14-0x0000000074A10000-0x0000000074FC1000-memory.dmp

Filesize
5.7MB

Download
memory/4356-15-0x0000000074A10000-0x0000000074FC1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads