8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4

Analysis

max time kernel
112s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2022, 11:46

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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-1-5-21-2891029575-1462575-1165213807-1000\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
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run	8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newcontr2nd1 = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-12310\\newcont2rnd1.exe"	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 2 IoCs

pid	Process
5076	8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4.exe
5076	8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 2864	5076	8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4.exe	39
PID 5076 wrote to memory of 2864	5076	8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4.exe	39
PID 5076 wrote to memory of 2864	5076	8ed429b289646fe25aec1554ffa72a9eb9ebae8f06ab38f849d34c9afd4d96e4.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2864
- 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:5076

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

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Downloads

memory/5076-132-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5076-133-0x0000000000700000-0x0000000000715000-memory.dmp

Filesize
84KB

Download
memory/5076-134-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download