8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673

General

Target

8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe
Size

82KB
MD5

a1293b20bacab2e4364908841f23e2b9
SHA1

38323e976fa32a9b7b81686026e75b113b6f2838
SHA256

8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673
SHA512

c92bd7fa8f2d0c6af77a8443a3717b8755aefb85ea265da9915e06a7f31c7e07d9bbc2137f8844810419a7a95947fb07c84e6f26df6119eb2856bc1d0f69f592
SSDEEP

1536:g29dE74wmV2Ztk/Yy8mBc9XFdDkIF0ehHv:Va4LwcYylOFBxhHv

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-41167814\\h7356a.exe"	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\dh83552 = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-41167814\\h7356a.exe"	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe

description	ioc	process
File created	C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-41167814\Desktop.ini	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Taskman = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-41167814\\h7356a.exe"	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe

description	pid	process	target process
PID 1784 set thread context of 1036	1784	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe

pid	process
1784	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe
1784	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe
1036	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe

description	pid	process	target process
PID 1784 wrote to memory of 1036	1784	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe
PID 1784 wrote to memory of 1036	1784	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe
PID 1784 wrote to memory of 1036	1784	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe
PID 1784 wrote to memory of 1036	1784	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe
PID 1784 wrote to memory of 1036	1784	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe
PID 1784 wrote to memory of 1036	1784	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe
PID 1784 wrote to memory of 1036	1784	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe
PID 1784 wrote to memory of 1036	1784	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe
PID 1784 wrote to memory of 1036	1784	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe
PID 1036 wrote to memory of 1220	1036	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe	Explorer.EXE
PID 1036 wrote to memory of 1220	1036	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe	Explorer.EXE
PID 1036 wrote to memory of 1220	1036	8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1220

C:\Users\Admin\AppData\Local\Temp\8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe
"C:\Users\Admin\AppData\Local\Temp\8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1784

C:\Users\Admin\AppData\Local\Temp\8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.exe
"C:\Users\Admin\AppData\Local\Temp\8f78c72f16d7081b61b94119252fb0b2edcdb0e4486b6c32c0f0bec91b8b3673.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:1036

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

2

T1004

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1036-54-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1036-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1036-57-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1036-58-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1036-59-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1036-60-0x0000000000401920-mapping.dmp

Download
memory/1036-62-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads