Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20/11/2024, 19:30
Static task
static1
Behavioral task
behavioral1
Sample
VATReceipt.doc
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
VATReceipt.doc
Resource
win10v2004-20241007-en
General
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Target
VATReceipt.doc
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Size
16KB
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MD5
8d7b1a22f116f6a8ef69e560c4861a49
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SHA1
5405151eb07208e06ae3893171b940e7fbf5deae
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SHA256
b4b5fa35c83552d4b3e26dc27ae33ab9d78ef878ca5200da085eda54d0b08a3b
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SHA512
c93051d382546fadc0b41b8d94bb05c95fe023739b44140fb4dc91f54515751d1f46605229a0012ce65d9c6588244a6d1d7eb7ee861356d227d975288aa7a4a3
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SSDEEP
96:D6qOpM9SVDXAMaMwMlU9nNe2LnPUfo1S7UXu9ryG8A15hKThSB548bc:DabDAH7zeimoIpfh4UB54l
Malware Config
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 2648 1456 FLTLDR.EXE 81 -
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 WINWORD.EXE 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 -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE -
Modifies registry class 10 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1440639782-737974203-3545051772-765287547-1381330435-3442501985-1304261000\DisplayName = "OICE_16_974FA576_32C1D314_1DC0" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1440639782-737974203-3545051772-765287547-1381330435-3442501985-1304261000\Moniker = "oice_16_974fa576_32c1d314_1dc0" WINWORD.EXE Key created \Registry\User\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1440639782-737974203-3545051772-765287547-1381330435-3442501985-1304261000\Children WINWORD.EXE Key created \Registry\User\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_1dc0\Children WINWORD.EXE Key deleted \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_1dc0\Children WINWORD.EXE Key deleted \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_1dc0 WINWORD.EXE Key deleted \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1440639782-737974203-3545051772-765287547-1381330435-3442501985-1304261000 WINWORD.EXE Key created \Registry\User\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1440639782-737974203-3545051772-765287547-1381330435-3442501985-1304261000 WINWORD.EXE Key created \Registry\User\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_1dc0 WINWORD.EXE Key deleted \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1440639782-737974203-3545051772-765287547-1381330435-3442501985-1304261000\Children WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 1456 WINWORD.EXE 1456 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1456 WINWORD.EXE 1456 WINWORD.EXE 1456 WINWORD.EXE 1456 WINWORD.EXE 1456 WINWORD.EXE 1456 WINWORD.EXE 1456 WINWORD.EXE 1456 WINWORD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1456 wrote to memory of 2648 1456 WINWORD.EXE 88 PID 1456 wrote to memory of 2648 1456 WINWORD.EXE 88
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\VATReceipt.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1456 -
C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE" C:\Program Files\Common Files\Microsoft Shared\GRPHFLT\GIFIMP32.FLT2⤵
- Process spawned unexpected child process
PID:2648
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
263KB
MD5ff0e07eff1333cdf9fc2523d323dd654
SHA177a1ae0dd8dbc3fee65dd6266f31e2a564d088a4
SHA2563f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5
SHA512b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
Filesize1KB
MD5f707db3196a17be2f382e9db0a58923a
SHA145ccf85f16dd90c014379fd100485c618d9fbd63
SHA25619f5c1cbbd10eab8ea51997ce7aeb904a52436c59f23ef4e7d68ac33a264722e
SHA5121d05ab4d0b8bab19bcffee6b5fe46904d80ba7bc1ee89428ff7be9d5f54926f38ce8439391dfd27c05844fe3e8fa9088d6ba522327ddc594e9f167806a864d42