85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae

General

Target

85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe
Size

169KB
MD5

7bce2359aa3d49cc521ede62553bc21f
SHA1

ce02e7d071964f24f00f17877cf340aaf7deca4a
SHA256

85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae
SHA512

cde5f91c68f289aebf91f2bdeafaa11036dbbc4a01236c082903468887243a38a16e85bf805a81f630cf8faca37a9e31b64ea1155366bc17958a2cf1952d92de
SSDEEP

3072:SLpxTJJWCXx7vCg/s74+vOt0+6KMBKy6DJclb4+wFRR:St9RdvCg0vsF44+a

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-43455425\\s39354.exe"	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sde346 = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-43455425\\s39354.exe"	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe

description	ioc	process
File created	C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-43455425\Desktop.ini	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Taskman = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-43455425\\s39354.exe"	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe

description	pid	process	target process
PID 616 set thread context of 5112	616	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe

pid	process
616	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe
616	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe
616	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe
616	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe
5112	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe
5112	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe

description	pid	process	target process
PID 616 wrote to memory of 5112	616	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe
PID 616 wrote to memory of 5112	616	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe
PID 616 wrote to memory of 5112	616	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe
PID 616 wrote to memory of 5112	616	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe
PID 616 wrote to memory of 5112	616	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe
PID 616 wrote to memory of 5112	616	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe
PID 616 wrote to memory of 5112	616	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe
PID 616 wrote to memory of 5112	616	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe
PID 5112 wrote to memory of 2416	5112	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe	Explorer.EXE
PID 5112 wrote to memory of 2416	5112	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe	Explorer.EXE
PID 5112 wrote to memory of 2416	5112	85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2416

C:\Users\Admin\AppData\Local\Temp\85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe
"C:\Users\Admin\AppData\Local\Temp\85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:616

C:\Users\Admin\AppData\Local\Temp\85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe
"C:\Users\Admin\AppData\Local\Temp\85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.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:5112

Network

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/5112-132-0x0000000000000000-mapping.dmp

Download
memory/5112-133-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5112-135-0x0000000000400000-0x0000000000405000-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