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Analysis
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max time kernel
144s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
12/01/2024, 12:10
Static task
static1
Behavioral task
behavioral1
Sample
566d162fcf8ab64ea70e6a24810f1e41.xlsm
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
566d162fcf8ab64ea70e6a24810f1e41.xlsm
Resource
win10v2004-20231222-en
General
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Target
566d162fcf8ab64ea70e6a24810f1e41.xlsm
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Size
6KB
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MD5
566d162fcf8ab64ea70e6a24810f1e41
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SHA1
61abb3c1882923d66282c45a28c12846360dfeaa
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SHA256
a48fde0569264a0936902219c7b45c1c52c6de24b4b082af3fe8c865a303971c
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SHA512
aac85d4a1369c1d49608974eac618738a5104b04ae893f73299b8d5dfd306536a7e1de4eee81edc4caf057a92472e86401fbc256ad7a5cafde8305915dab42b0
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SSDEEP
192:NDS8uSFbrA2OmmfR08UhHFBFYuib98yAp+m:NPuaM2wi1FYnb98yA3
Malware Config
Extracted
http://46.17.98.187/index.php
Signatures
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Process spawned suspicious child process 1 IoCs
This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3216 1800 DW20.EXE 70 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dwwin.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dwwin.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dwwin.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dwwin.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dwwin.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1800 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1800 EXCEL.EXE 1800 EXCEL.EXE 1800 EXCEL.EXE 1800 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1800 EXCEL.EXE 1800 EXCEL.EXE 1800 EXCEL.EXE 1800 EXCEL.EXE 1800 EXCEL.EXE 1800 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1800 wrote to memory of 3216 1800 EXCEL.EXE 91 PID 1800 wrote to memory of 3216 1800 EXCEL.EXE 91 PID 3216 wrote to memory of 808 3216 DW20.EXE 92 PID 3216 wrote to memory of 808 3216 DW20.EXE 92
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\566d162fcf8ab64ea70e6a24810f1e41.xlsm"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1800 -
C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 36602⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3216 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 36603⤵
- Checks processor information in registry
- Enumerates system info in registry
PID:808
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