njrat | 3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/05/2024, 05:33

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General

Target

7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Size

31KB
MD5

7fa672943d27b23830fad41370e368ab
SHA1

ca2bf6b609130944e26c864d0befac1abf9c3afe
SHA256

3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe
SHA512

2915cd960eedf11af7370ba7b6a1dd29c9da7c7f61679ff9683aec7ce601a4b1a286005f666cbf39c0a29a9179e09da6e20c395e15268d0aba291e0b9a2c84e4
SSDEEP

768:AT5bgJZLrGzxhucehaqHjhvvKTQmIDUu0tiq2j:gUKgRR4QVkQj

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

pid	Process
2204	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\95f5ec3bd7a8e3e281a57a314113d408.exe	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\95f5ec3bd7a8e3e281a57a314113d408.exe	7fa672943d27b23830fad41370e368ab_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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\95f5ec3bd7a8e3e281a57a314113d408 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe\" .."	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\95f5ec3bd7a8e3e281a57a314113d408 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe\" .."	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: 33	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: 33	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: 33	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: 33	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: 33	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: 33	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: 33	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: 33	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: 33	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: 33	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: 33	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: 33	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: 33	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: 33	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: 33	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: 33	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: 33	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2204	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe	28
PID 1728 wrote to memory of 2204	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe	28
PID 1728 wrote to memory of 2204	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe	28
PID 1728 wrote to memory of 2204	1728	7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe" "7fa672943d27b23830fad41370e368ab_JaffaCakes118.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  PID:2204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1728-0-0x0000000074E11000-0x0000000074E12000-memory.dmp

Filesize
4KB

Download
memory/1728-1-0x0000000074E10000-0x00000000753BB000-memory.dmp

Filesize
5.7MB

Download
memory/1728-2-0x0000000074E10000-0x00000000753BB000-memory.dmp

Filesize
5.7MB

Download
memory/1728-6-0x0000000074E10000-0x00000000753BB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads