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Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25/12/2023, 06:45
Static task
static1
Behavioral task
behavioral1
Sample
0c8b07e62777ce16587245855942bae8.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
0c8b07e62777ce16587245855942bae8.exe
Resource
win10v2004-20231215-en
General
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Target
0c8b07e62777ce16587245855942bae8.exe
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Size
144KB
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MD5
0c8b07e62777ce16587245855942bae8
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SHA1
3cf8b7b1a355ce495368d55f3019a3db41c709fe
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SHA256
c21a3c61209d1cf0a29345ef04ebed09104227f9d8e4e45aef32879608b4f186
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SHA512
5de24ac9ad5b35bfa05b249d6ce55967fd10b60638167b896170f473353f4f943346ad83ee92e9663b6d5fe4d3ba5e4b214e8458e50046d39116034f7c7f2d95
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SSDEEP
3072:EArud5mUWr4Ux07unBSXBKBl4VsSXBKBlnxnMLFLZ8CgiAE:EUdUWr460Bi6s0Bi2QCgvE
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation 0c8b07e62777ce16587245855942bae8.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RARZAQU.lnk 0c8b07e62777ce16587245855942bae8.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 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 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000_Classes\Local Settings 0c8b07e62777ce16587245855942bae8.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 3048 WINWORD.EXE 3048 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3048 WINWORD.EXE 3048 WINWORD.EXE 3048 WINWORD.EXE 3048 WINWORD.EXE 3048 WINWORD.EXE 3048 WINWORD.EXE 3048 WINWORD.EXE 3048 WINWORD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4004 wrote to memory of 3048 4004 0c8b07e62777ce16587245855942bae8.exe 92 PID 4004 wrote to memory of 3048 4004 0c8b07e62777ce16587245855942bae8.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\0c8b07e62777ce16587245855942bae8.exe"C:\Users\Admin\AppData\Local\Temp\0c8b07e62777ce16587245855942bae8.exe"1⤵
- Checks computer location settings
- Drops startup file
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4004 -
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\0c8b07e62777ce16587245855942bae8.exe~~.doc" /o ""2⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3048
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
20KB
MD5d37c7a7c5cbda96e1a7f3029e34c07a2
SHA1b32a4ef61fc09b2176724c6754302b3dd4f0af05
SHA25638d7c0bda1de1cbdda9c2a9a7f782cb0768256516afd9468b02a71d104f46834
SHA512d4c33e95ec63d2da44a6f1b4b7b8cb2cf7fe872075507a9ea097cd33f910dcd50de34a3dc1a3f8a913755dc47f3f318757ea6be73af4b35a4bf606aaaaac10b7
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
124KB
MD5fa98abf47c17f19f7d26b37ad009dfe0
SHA14abdab0e9d01fea98a887930d2a8956b89d7a53f
SHA256a1382ecab718e105b944b676a0148ba212c40798bd915c9a74ee9ea594261bda
SHA5123b2286ae1abe64b31889ff2f6498265c958622d3ada7df83779c7f531a4bcc6cdbdbfd115dacffcecd9e33c6fa5537fa4b3e92b0c9c29e8aae38135d53eb4c11