c4d35ef2cb0b9acfbaa195fa2fa933993b3f4e35185fdb15e21074db42b45c9c

Analysis

max time kernel
232s
max time network
273s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
22-10-2023 14:54

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General

Target

NEAS.963a1637f4d794ada4c93785d4709df0_JC.dll
Size

292KB
MD5

963a1637f4d794ada4c93785d4709df0
SHA1

a425510463a97dcce37732a6be8191d8297dde67
SHA256

c4d35ef2cb0b9acfbaa195fa2fa933993b3f4e35185fdb15e21074db42b45c9c
SHA512

9c2e68cfafbb8f973cb1a39990f327ef0dafdd3c660d8c45d95190cac31272cef10d42ae359f799ebcaed1b8f72fc767c516f69d81f519b4f50483859ae0bfcb
SSDEEP

6144:ZE6aAW6SNSHWq/buDtbgTjHfkrZByBp1hM3yG:baAW6cS2qjusavyDfG

Score

8^/10

persistence

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
5	2620	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Utijobedite = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\NEAS.963a1637f4d794ada4c93785d4709df0_JC.dll\",Startup"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2620	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2620	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1240 wrote to memory of 2620	1240	rundll32.exe	27
PID 1240 wrote to memory of 2620	1240	rundll32.exe	27
PID 1240 wrote to memory of 2620	1240	rundll32.exe	27
PID 1240 wrote to memory of 2620	1240	rundll32.exe	27
PID 1240 wrote to memory of 2620	1240	rundll32.exe	27
PID 1240 wrote to memory of 2620	1240	rundll32.exe	27
PID 1240 wrote to memory of 2620	1240	rundll32.exe	27

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.963a1637f4d794ada4c93785d4709df0_JC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1240
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.963a1637f4d794ada4c93785d4709df0_JC.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2620

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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