ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2

General

Target

ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe
Size

117KB
MD5

5f1205d6e07f9c20037537d1ea6018e4
SHA1

661734b20c2330e9edcc536362a669c4789a5215
SHA256

ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2
SHA512

044ff5ddca603961a49bd8d58e11ed37d0720b6d2a3f4987cde12edeb8448c22e5c5365ab212499f7e6d60a4438d059aa134ca5a3d61792446bc34a1e45e6069
SSDEEP

1536:Mpq5w6ZPfg2H46pojyF8YQlFtdSvAybQvvGmvn9aQGamYumznIy5gQ1VhpHvqCRn:MAlRgL6ujAJYOoiatuUnIyB1VjoAWc

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.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-1-5-21-0243556031-888888379-781862338-175716613\\x1786731.exe"	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2x6763 = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781862338-175716613\\x1786731.exe"	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe

description	ioc	process
File created	C:\RECYCLER\S-1-5-21-0243556031-888888379-781862338-175716613\Desktop.ini	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Taskman = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781862338-175716613\\x1786731.exe"	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe

description	pid	process	target process
PID 3236 set thread context of 4320	3236	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.execa3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe

pid	process
3236	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe
3236	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe
3236	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe
3236	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe
4320	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe
4320	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.execa3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe

description	pid	process	target process
PID 3236 wrote to memory of 4320	3236	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe
PID 3236 wrote to memory of 4320	3236	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe
PID 3236 wrote to memory of 4320	3236	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe
PID 3236 wrote to memory of 4320	3236	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe
PID 3236 wrote to memory of 4320	3236	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe
PID 3236 wrote to memory of 4320	3236	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe
PID 3236 wrote to memory of 4320	3236	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe
PID 3236 wrote to memory of 4320	3236	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe
PID 4320 wrote to memory of 2616	4320	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe	Explorer.EXE
PID 4320 wrote to memory of 2616	4320	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe	Explorer.EXE
PID 4320 wrote to memory of 2616	4320	ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2616
- C:\Users\Admin\AppData\Local\Temp\ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe
  "C:\Users\Admin\AppData\Local\Temp\ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3236
- - C:\Users\Admin\AppData\Local\Temp\ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.exe
    "C:\Users\Admin\AppData\Local\Temp\ca3be36fe090995e3b0ab6e5bb7f0b873465843107f85f283f55d2b819cfcca2.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:4320

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/3236-135-0x00000000006C0000-0x00000000006C3000-memory.dmp

Filesize
12KB

Download
memory/4320-132-0x0000000000000000-mapping.dmp

Download
memory/4320-133-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4320-136-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads