Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
20-09-2021 11:40
Static task
static1
Behavioral task
behavioral1
Sample
IMG_Order PO 094765 SMH.doc
Resource
win7-en-20210916
Behavioral task
behavioral2
Sample
IMG_Order PO 094765 SMH.doc
Resource
win10v20210408
General
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Target
IMG_Order PO 094765 SMH.doc
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Size
241KB
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MD5
09c275af1fe403ef1955cf691179cb33
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SHA1
49b1427effc50d6949c45e22fecbbfba4b2380c5
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SHA256
4a67cc05b5f45a774fafb1da0a0e8ac0f3839a0b520c0b2346bbeeace304aa77
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SHA512
4e48d08153575ce1238591654f557cc410d36b04f9e9160d0d26f9db9e1e3cb5ec267654af9a97eaad544d0e43f9a5fe2b1b27bfc2ddc16ee2aec8efe00e05ef
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.
Processes:
FLTLDR.EXEdescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 3984 396 FLTLDR.EXE WINWORD.EXE -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WINWORD.EXEdescription 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
Processes:
WINWORD.EXEdescription 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 -
Modifies registry class 10 IoCs
Processes:
WINWORD.EXEdescription ioc process Key created \Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1982692896-3042838041-473469356-1040697758-2606466529-2719151250-1045455430\Children WINWORD.EXE Key created \Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_2c4d WINWORD.EXE Key deleted \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1982692896-3042838041-473469356-1040697758-2606466529-2719151250-1045455430 WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1982692896-3042838041-473469356-1040697758-2606466529-2719151250-1045455430\DisplayName = "OICE_16_974FA576_32C1D314_2C4D" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1982692896-3042838041-473469356-1040697758-2606466529-2719151250-1045455430\Moniker = "oice_16_974fa576_32c1d314_2c4d" WINWORD.EXE Key deleted \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_2c4d\Children WINWORD.EXE Key deleted \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_2c4d WINWORD.EXE Key deleted \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1982692896-3042838041-473469356-1040697758-2606466529-2719151250-1045455430\Children WINWORD.EXE Key created \Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1982692896-3042838041-473469356-1040697758-2606466529-2719151250-1045455430 WINWORD.EXE Key created \Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_2c4d\Children WINWORD.EXE -
NTFS ADS 1 IoCs
Processes:
WINWORD.EXEdescription ioc process File opened for modification C:\Users\Admin\AppData\Local\Temp\{CA9C42FE-C6D8-4AC5-94BA-E589FFB74762}\abdtfhghgeghDh.ScT:Zone.Identifier WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 396 WINWORD.EXE 396 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 10 IoCs
Processes:
WINWORD.EXEpid process 396 WINWORD.EXE 396 WINWORD.EXE 396 WINWORD.EXE 396 WINWORD.EXE 396 WINWORD.EXE 396 WINWORD.EXE 396 WINWORD.EXE 396 WINWORD.EXE 396 WINWORD.EXE 396 WINWORD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
WINWORD.EXEdescription pid process target process PID 396 wrote to memory of 3984 396 WINWORD.EXE FLTLDR.EXE PID 396 wrote to memory of 3984 396 WINWORD.EXE FLTLDR.EXE
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\IMG_Order PO 094765 SMH.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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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\PNG32.FLT2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Packages\oice_16_974fa576_32c1d314_2c4d\AC\Temp\FLD04B.tmpMD5
4f49c7dac1d379d2e5171a6bef32e0eb
SHA10c465f4780546c2fb375664844febba5e8d9e09e
SHA256d08ab9ca7aa34921beadff1e9fe010f4deda6561086bf7ef28853976abb1b413
SHA512c3e7880c59f08790e7546829ac8987d6ca41350af44658fcf08c5e83c05a3566eb9f43b065bfe9da61c0a676199f6df50b8bf9ed97982ad62f920ad407bf5f50
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memory/396-122-0x00000251CF710000-0x00000251D07FE000-memory.dmpFilesize
16.9MB
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memory/396-116-0x00007FFF79C30000-0x00007FFF79C40000-memory.dmpFilesize
64KB
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memory/396-117-0x00007FFF79C30000-0x00007FFF79C40000-memory.dmpFilesize
64KB
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memory/396-118-0x00007FFF79C30000-0x00007FFF79C40000-memory.dmpFilesize
64KB
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memory/396-119-0x00007FFF9BED0000-0x00007FFF9E9F3000-memory.dmpFilesize
43.1MB
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memory/396-114-0x00007FFF79C30000-0x00007FFF79C40000-memory.dmpFilesize
64KB
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memory/396-123-0x00007FFF948B0000-0x00007FFF967A5000-memory.dmpFilesize
31.0MB
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memory/396-115-0x00007FFF79C30000-0x00007FFF79C40000-memory.dmpFilesize
64KB
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memory/3984-360-0x0000000000000000-mapping.dmp
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memory/3984-362-0x00007FFF79C30000-0x00007FFF79C40000-memory.dmpFilesize
64KB
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memory/3984-363-0x00007FFF79C30000-0x00007FFF79C40000-memory.dmpFilesize
64KB
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memory/3984-364-0x00007FFF79C30000-0x00007FFF79C40000-memory.dmpFilesize
64KB
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memory/3984-366-0x00007FFF79C30000-0x00007FFF79C40000-memory.dmpFilesize
64KB