d0ff9d251c5ef207e30b5d2cb06d5acafb1ab4927ee67e9910003dae55acaff3

Analysis

max time kernel
37s
max time network
43s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/10/2022, 22:36

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General

Target

d0ff9d251c5ef207e30b5d2cb06d5acafb1ab4927ee67e9910003dae55acaff3.exe
Size

10KB
MD5

00e907e86b196d7823011f532e0268a4
SHA1

aeb376209baf5728be60828dbc40d18b4b561f12
SHA256

d0ff9d251c5ef207e30b5d2cb06d5acafb1ab4927ee67e9910003dae55acaff3
SHA512

7a075799a233e2e252ac1579f6354789edc1ab40c06aaf72cdfbb3ba127b1c956ca064c1f81d4498c0810f88618a20ea421d54988afac754e4e79bf96aa58ba4
SSDEEP

192:hid+Ad/CFMmc1hIDxZCtNE3YmZhyh42gpBw+rHZlVPsbHfy+I:FAdKqmJ9cYoOyOgQHrJ

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-91768\\nedpro0xz.exe"	d0ff9d251c5ef207e30b5d2cb06d5acafb1ab4927ee67e9910003dae55acaff3.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run	d0ff9d251c5ef207e30b5d2cb06d5acafb1ab4927ee67e9910003dae55acaff3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nepdro0xz = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-91768\\nedpro0xz.exe"	d0ff9d251c5ef207e30b5d2cb06d5acafb1ab4927ee67e9910003dae55acaff3.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File created	C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-91768\Desktop.ini	d0ff9d251c5ef207e30b5d2cb06d5acafb1ab4927ee67e9910003dae55acaff3.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Taskman = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-91768\\nedpro0xz.exe"	d0ff9d251c5ef207e30b5d2cb06d5acafb1ab4927ee67e9910003dae55acaff3.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1636	d0ff9d251c5ef207e30b5d2cb06d5acafb1ab4927ee67e9910003dae55acaff3.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 1340	1636	d0ff9d251c5ef207e30b5d2cb06d5acafb1ab4927ee67e9910003dae55acaff3.exe	14
PID 1636 wrote to memory of 1340	1636	d0ff9d251c5ef207e30b5d2cb06d5acafb1ab4927ee67e9910003dae55acaff3.exe	14
PID 1636 wrote to memory of 1340	1636	d0ff9d251c5ef207e30b5d2cb06d5acafb1ab4927ee67e9910003dae55acaff3.exe	14

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1340
- C:\Users\Admin\AppData\Local\Temp\d0ff9d251c5ef207e30b5d2cb06d5acafb1ab4927ee67e9910003dae55acaff3.exe
  "C:\Users\Admin\AppData\Local\Temp\d0ff9d251c5ef207e30b5d2cb06d5acafb1ab4927ee67e9910003dae55acaff3.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Adds Run key to start application
  - Drops desktop.ini file(s)
  - Modifies WinLogon
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1636

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1636-54-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

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