695042b0ff3b40f0681e13179c3fa666b1e14448c39d52c775700f9a92583f0f

Analysis

max time kernel
137s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 20:50

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General

Target

03a619eb059e64fe9fabf3b040ff9c7e.exe
Size

60KB
MD5

03a619eb059e64fe9fabf3b040ff9c7e
SHA1

3de0c298db6a3bad8f5402eab23a6acfa2774d8a
SHA256

695042b0ff3b40f0681e13179c3fa666b1e14448c39d52c775700f9a92583f0f
SHA512

3d4a350733726ecc467596be4f88760142355d6ebdbfe1d945417a592efd4b9783412c0208c3484fdaeda2d31e99a6c65ee650fe2a4e6dab30d9a50d8978987a
SSDEEP

768:I++1bYHKDE0zLvBoSDtFJEVydlbEXZsUUNRmFBv7mYYSIq+lgOmOVsOXUcs:H+1cHsEQyaTlwXqNMvK3Sz+lKGp

Score

8^/10

persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	nuxynobu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\z0mllAKInb = "C:\\ProgramData\\finknqvk\\nuxynobu.exe"	nuxynobu.exe

Executes dropped EXE 1 IoCs

pid	Process
908	nuxynobu.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
424	03a619eb059e64fe9fabf3b040ff9c7e.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 424 wrote to memory of 908	424	03a619eb059e64fe9fabf3b040ff9c7e.exe	106
PID 424 wrote to memory of 908	424	03a619eb059e64fe9fabf3b040ff9c7e.exe	106
PID 424 wrote to memory of 908	424	03a619eb059e64fe9fabf3b040ff9c7e.exe	106
PID 424 wrote to memory of 1748	424	03a619eb059e64fe9fabf3b040ff9c7e.exe	107
PID 424 wrote to memory of 1748	424	03a619eb059e64fe9fabf3b040ff9c7e.exe	107
PID 424 wrote to memory of 1748	424	03a619eb059e64fe9fabf3b040ff9c7e.exe	107

C:\Users\Admin\AppData\Local\Temp\03a619eb059e64fe9fabf3b040ff9c7e.exe
"C:\Users\Admin\AppData\Local\Temp\03a619eb059e64fe9fabf3b040ff9c7e.exe"
1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:424
- C:\ProgramData\finknqvk\nuxynobu.exe
  C:\ProgramData\finknqvk\nuxynobu.exe
  2⤵
  - Adds policy Run key to start application
  - Executes dropped EXE
  PID:908
- C:\Windows\SysWOW64\cmd.exe
  /c del /f C:\Users\Admin\AppData\Local\Temp\03A619~1.EXE.bak >> NUL
  2⤵
  PID:1748

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

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Downloads

C:\ProgramData\finknqvk\nuxynobu.exe

Filesize
60KB

MD5
03a619eb059e64fe9fabf3b040ff9c7e

SHA1
3de0c298db6a3bad8f5402eab23a6acfa2774d8a

SHA256
695042b0ff3b40f0681e13179c3fa666b1e14448c39d52c775700f9a92583f0f

SHA512
3d4a350733726ecc467596be4f88760142355d6ebdbfe1d945417a592efd4b9783412c0208c3484fdaeda2d31e99a6c65ee650fe2a4e6dab30d9a50d8978987a

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads