40311bc5cca4ede38b75ec0e22b721212e45964985a3eece3ae60faef70fa67c

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29/10/2022, 00:47

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General

Target

40311bc5cca4ede38b75ec0e22b721212e45964985a3eece3ae60faef70fa67c.exe
Size

23KB
MD5

000e84b3b4646294abf8bb8c64757cf4
SHA1

5b0c42ec39e551ea78417762b6e513d16641cabf
SHA256

40311bc5cca4ede38b75ec0e22b721212e45964985a3eece3ae60faef70fa67c
SHA512

aaf16c2750808fa2afe4b6a3afa9b3d31e7f1cbc8e5fe89aa43967ac4dfd73b9bdf0f47e68b2b9c70e701ac6d1d568c5e2cf0ae07cdda17f7a790fb361d5f439
SSDEEP

384:zzzeBf3/4rc+bK1dhxgSDDdd5AXYBKjuh9RMO0cUusU60wWwvXG9:KBfP4rHKngSfCS0A9RMFcfsUfnOXG9

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-1-5-21-0243556031-888888379-781863308-12389\\newcont9rnd8.exe"	40311bc5cca4ede38b75ec0e22b721212e45964985a3eece3ae60faef70fa67c.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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newcontr9nd8 = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-12389\\newcont9rnd8.exe"	40311bc5cca4ede38b75ec0e22b721212e45964985a3eece3ae60faef70fa67c.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run	40311bc5cca4ede38b75ec0e22b721212e45964985a3eece3ae60faef70fa67c.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File created	C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-12389\Desktop.ini	40311bc5cca4ede38b75ec0e22b721212e45964985a3eece3ae60faef70fa67c.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-1-5-21-0243556031-888888379-781863308-12389\\newcont9rnd8.exe"	40311bc5cca4ede38b75ec0e22b721212e45964985a3eece3ae60faef70fa67c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2040	40311bc5cca4ede38b75ec0e22b721212e45964985a3eece3ae60faef70fa67c.exe
2040	40311bc5cca4ede38b75ec0e22b721212e45964985a3eece3ae60faef70fa67c.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 2792	2040	40311bc5cca4ede38b75ec0e22b721212e45964985a3eece3ae60faef70fa67c.exe	35
PID 2040 wrote to memory of 2792	2040	40311bc5cca4ede38b75ec0e22b721212e45964985a3eece3ae60faef70fa67c.exe	35
PID 2040 wrote to memory of 2792	2040	40311bc5cca4ede38b75ec0e22b721212e45964985a3eece3ae60faef70fa67c.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2792
- C:\Users\Admin\AppData\Local\Temp\40311bc5cca4ede38b75ec0e22b721212e45964985a3eece3ae60faef70fa67c.exe
  "C:\Users\Admin\AppData\Local\Temp\40311bc5cca4ede38b75ec0e22b721212e45964985a3eece3ae60faef70fa67c.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:2040

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/2040-132-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2040-133-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2040-134-0x0000000000700000-0x0000000000715000-memory.dmp

Filesize
84KB

Download