8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4

Analysis

max time kernel
44s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
07/11/2022, 11:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4.exe
Size

23KB
MD5

08b258d89a1438b418bbd185292f51e3
SHA1

92bc28160d66cf8aae5f59039be42e9d82bff698
SHA256

8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4
SHA512

a5bd7a29604dbd99bacd64332d7001539ab4086ca6721377451935130df81e35c5c0a3613f41a57329553dc193199122952b83b81af6ca33b3f44f6685d18b3b
SSDEEP

384:c9pFjVSoZRDg+wqvlIqOaM20an/KFv8WUX/14yKxg97Xo2+z4wS+mR3s:c9zjVhLRrMha/K18T/14Vxg9or/dm

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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-12310\\newcont2rnd1.exe"	8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\newcontr2nd1 = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-12310\\newcont2rnd1.exe"	8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File created	C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-12310\Desktop.ini	8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4.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-1-5-21-0243556031-888888379-781863308-12310\\newcont2rnd1.exe"	8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
996	8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 1304	996	8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4.exe	16
PID 996 wrote to memory of 1304	996	8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4.exe	16
PID 996 wrote to memory of 1304	996	8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4.exe	16

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1304
- C:\Users\Admin\AppData\Local\Temp\8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4.exe
  "C:\Users\Admin\AppData\Local\Temp\8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4.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:996

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

Loading Replay Monitor...

Downloads

memory/996-54-0x00000000760E1000-0x00000000760E3000-memory.dmp

Filesize
8KB

Download
memory/996-55-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/996-56-0x0000000000430000-0x0000000000445000-memory.dmp

Filesize
84KB

Download