njrat | c71796c63d7efa5ccedbf93d50a492c1d91d395a8fa89975ef2c2260f9a03560

General

Target

6a96925275796e33e2ff9587da78ad0c_JaffaCakes118.exe
Size

23KB
MD5

6a96925275796e33e2ff9587da78ad0c
SHA1

8778d3d8ae2357f54de8bd789f5fc1b7b31492d1
SHA256

c71796c63d7efa5ccedbf93d50a492c1d91d395a8fa89975ef2c2260f9a03560
SHA512

8c0890dfeca5e73dc7a9c679f594a7892c09f708a242da2e4a7f5067f21a11cb24c9e69f4da55a605fa2fde9aa2e84b6da881a97559eaaf87949566a8266d3fc
SSDEEP

384:ac6CqbFYh3odrVCGiHssDB4b6i6fgpEupNXRmRvR6JZlbw8hqIusZzZHG:dIU0tw3RpcnuR

Score

10^/10

njrat hhhhhhhhhhhhhhhh evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HHHHHHHHHHHHHHHH

C2

skoon1234.no-ip.biz:5552

Mutex

307351bb41c7610538e3af5d5a55eeda

Attributes

reg_key
307351bb41c7610538e3af5d5a55eeda
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

Processes:

netsh.exe

pid process

2748 netsh.exe

pid	process
2748	netsh.exe

Drops startup file 2 IoCs

Processes:

System.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\307351bb41c7610538e3af5d5a55eeda.exe	System.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\307351bb41c7610538e3af5d5a55eeda.exe	System.exe

Executes dropped EXE 1 IoCs

Processes:

System.exe

pid process

2136 System.exe
Loads dropped DLL 1 IoCs

Processes:

6a96925275796e33e2ff9587da78ad0c_JaffaCakes118.exe

pid process

1284 6a96925275796e33e2ff9587da78ad0c_JaffaCakes118.exe

pid	process
2136	System.exe

pid	process
1284	6a96925275796e33e2ff9587da78ad0c_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

System.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\307351bb41c7610538e3af5d5a55eeda = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .."	System.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\307351bb41c7610538e3af5d5a55eeda = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .."	System.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:

System.exe

description	pid	process
Token: SeDebugPrivilege	2136	System.exe
Token: 33	2136	System.exe
Token: SeIncBasePriorityPrivilege	2136	System.exe
Token: 33	2136	System.exe
Token: SeIncBasePriorityPrivilege	2136	System.exe
Token: 33	2136	System.exe
Token: SeIncBasePriorityPrivilege	2136	System.exe
Token: 33	2136	System.exe
Token: SeIncBasePriorityPrivilege	2136	System.exe
Token: 33	2136	System.exe
Token: SeIncBasePriorityPrivilege	2136	System.exe
Token: 33	2136	System.exe
Token: SeIncBasePriorityPrivilege	2136	System.exe
Token: 33	2136	System.exe
Token: SeIncBasePriorityPrivilege	2136	System.exe
Token: 33	2136	System.exe
Token: SeIncBasePriorityPrivilege	2136	System.exe
Token: 33	2136	System.exe
Token: SeIncBasePriorityPrivilege	2136	System.exe
Token: 33	2136	System.exe
Token: SeIncBasePriorityPrivilege	2136	System.exe
Token: 33	2136	System.exe
Token: SeIncBasePriorityPrivilege	2136	System.exe
Token: 33	2136	System.exe
Token: SeIncBasePriorityPrivilege	2136	System.exe
Token: 33	2136	System.exe
Token: SeIncBasePriorityPrivilege	2136	System.exe
Token: 33	2136	System.exe
Token: SeIncBasePriorityPrivilege	2136	System.exe
Token: 33	2136	System.exe
Token: SeIncBasePriorityPrivilege	2136	System.exe
Token: 33	2136	System.exe
Token: SeIncBasePriorityPrivilege	2136	System.exe
Token: 33	2136	System.exe
Token: SeIncBasePriorityPrivilege	2136	System.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

6a96925275796e33e2ff9587da78ad0c_JaffaCakes118.exeSystem.exe

description	pid	process	target process
PID 1284 wrote to memory of 2136	1284	6a96925275796e33e2ff9587da78ad0c_JaffaCakes118.exe	System.exe
PID 1284 wrote to memory of 2136	1284	6a96925275796e33e2ff9587da78ad0c_JaffaCakes118.exe	System.exe
PID 1284 wrote to memory of 2136	1284	6a96925275796e33e2ff9587da78ad0c_JaffaCakes118.exe	System.exe
PID 1284 wrote to memory of 2136	1284	6a96925275796e33e2ff9587da78ad0c_JaffaCakes118.exe	System.exe
PID 2136 wrote to memory of 2748	2136	System.exe	netsh.exe
PID 2136 wrote to memory of 2748	2136	System.exe	netsh.exe
PID 2136 wrote to memory of 2748	2136	System.exe	netsh.exe
PID 2136 wrote to memory of 2748	2136	System.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\6a96925275796e33e2ff9587da78ad0c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6a96925275796e33e2ff9587da78ad0c_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Users\Admin\AppData\Local\Temp\System.exe
  "C:\Users\Admin\AppData\Local\Temp\System.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2136
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\System.exe" "System.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:2748

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\System.exe

Filesize
23KB

MD5
6a96925275796e33e2ff9587da78ad0c

SHA1
8778d3d8ae2357f54de8bd789f5fc1b7b31492d1

SHA256
c71796c63d7efa5ccedbf93d50a492c1d91d395a8fa89975ef2c2260f9a03560

SHA512
8c0890dfeca5e73dc7a9c679f594a7892c09f708a242da2e4a7f5067f21a11cb24c9e69f4da55a605fa2fde9aa2e84b6da881a97559eaaf87949566a8266d3fc

Download Submit
memory/1284-0-0x00000000747F1000-0x00000000747F2000-memory.dmp

Filesize
4KB

Download
memory/1284-1-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/1284-2-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/1284-10-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/2136-11-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/2136-13-0x00000000747F0000-0x0000000074D9B000-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