4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb

General

Target

4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe
Size

136KB
MD5

3a690b73d572227855e933a96f0bb73a
SHA1

1993479eb954e4f0ef87903642f597c79d752f4b
SHA256

4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb
SHA512

234c8fca2c357f0f623e8fcc19a58cce8aee4b4cc75c67c214253752835505ce4e7b353f8792d2cc4f626faa1b0e48d26e7986c99df76538502f3793aeeb684a
SSDEEP

3072:eUrKEL85tEhRBr2HOaigW1957nFqihYqyZGVxTmh:eU+ELH6w57nls6VM

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-41217225\\s213873a.exe"	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sf2383212 = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-41217225\\s213873a.exe"	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe

description	ioc	process
File created	C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-41217225\Desktop.ini	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Taskman = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-41217225\\s213873a.exe"	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe

description	pid	process	target process
PID 1568 set thread context of 1648	1568	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe

pid	process
1568	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe
1568	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe
1568	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe
1568	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe
1648	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe
1648	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe

description	pid	process	target process
PID 1568 wrote to memory of 1648	1568	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe
PID 1568 wrote to memory of 1648	1568	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe
PID 1568 wrote to memory of 1648	1568	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe
PID 1568 wrote to memory of 1648	1568	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe
PID 1568 wrote to memory of 1648	1568	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe
PID 1568 wrote to memory of 1648	1568	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe
PID 1568 wrote to memory of 1648	1568	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe
PID 1568 wrote to memory of 1648	1568	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe
PID 1648 wrote to memory of 2616	1648	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe	Explorer.EXE
PID 1648 wrote to memory of 2616	1648	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe	Explorer.EXE
PID 1648 wrote to memory of 2616	1648	4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2616

C:\Users\Admin\AppData\Local\Temp\4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe
"C:\Users\Admin\AppData\Local\Temp\4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1568

C:\Users\Admin\AppData\Local\Temp\4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe
"C:\Users\Admin\AppData\Local\Temp\4459c4b0a6c40f78e4fd2d51e6677fed19f43efabdcb4282047bc90caeddfbbb.exe"
3⤵
- 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:1648

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1648-132-0x0000000000000000-mapping.dmp

Download
memory/1648-133-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1648-135-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads