3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531

General

Target

3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe
Size

140KB
MD5

f3a281b6213616350c347e56cad545cd
SHA1

5cc1c113180415f6f7a430e498aab83584154687
SHA256

3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531
SHA512

a950877e161ea801c540f28c89b386ea16d8b47afb53399939c38266b04bcbd565c275fb54855b238ab4e4761a777a968e2e5584db1c3c02bf9d349227ce66c0
SSDEEP

3072:v4nOeNclhWePioq9I/aMDy4LmRbymJ+bN:eJAhrioq9IRDyzJ6

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-442567715\\ej3o2se1.exe"	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\eej35675 = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-442567715\\ej3o2se1.exe"	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe

description	ioc	process
File created	C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-442567715\Desktop.ini	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Taskman = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-442567715\\ej3o2se1.exe"	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe

description	pid	process	target process
PID 892 set thread context of 1872	892	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe

pid	process
892	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe
892	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe
1872	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe

description	pid	process
Token: 33	892	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe
Token: SeIncBasePriorityPrivilege	892	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe

description	pid	process	target process
PID 892 wrote to memory of 1872	892	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe
PID 892 wrote to memory of 1872	892	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe
PID 892 wrote to memory of 1872	892	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe
PID 892 wrote to memory of 1872	892	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe
PID 892 wrote to memory of 1872	892	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe
PID 892 wrote to memory of 1872	892	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe
PID 892 wrote to memory of 1872	892	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe
PID 892 wrote to memory of 1872	892	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe
PID 892 wrote to memory of 1872	892	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe
PID 1872 wrote to memory of 1252	1872	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe	Explorer.EXE
PID 1872 wrote to memory of 1252	1872	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe	Explorer.EXE
PID 1872 wrote to memory of 1252	1872	3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1252

C:\Users\Admin\AppData\Local\Temp\3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe
"C:\Users\Admin\AppData\Local\Temp\3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:892

C:\Users\Admin\AppData\Local\Temp\3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.exe
"C:\Users\Admin\AppData\Local\Temp\3d7bedb5d7b109bb67810e56bb05a2523e0b286e5b73bc8a04ae65e910f52531.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:1872

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/1872-54-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1872-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1872-57-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1872-58-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1872-59-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1872-60-0x0000000000401920-mapping.dmp

Download
memory/1872-62-0x0000000000400000-0x0000000000405000-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