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Analysis
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max time kernel
148s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
06/09/2022, 12:15
Static task
static1
Behavioral task
behavioral1
Sample
Requirement.xll
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
Requirement.xll
Resource
win10v2004-20220812-en
General
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Target
Requirement.xll
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Size
596KB
-
MD5
da8b3c5ea6ec062d23052d226dbe161a
-
SHA1
c0f6c3a783ca16f66b59bafa4a4d21062060e543
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SHA256
df31f4d0dfa06029237f9599458cde53165850e45a96e4e4060ff3c948e48d16
-
SHA512
895129d442cd97a852b92a2f7f8fb3dfb3fb8107e3c4dcfe3cd0c2d59178befec35e40ef9559571c236b87295922349e9713b47600ff567a817393b154d77e66
-
SSDEEP
12288:CPOfHIGxQ/39S8bzbBSredU9Cw+t5QnDa6RBSBS:CSHIsQvrX1NU9OXQDaq8
Malware Config
Extracted
Signatures
-
Loads dropped DLL 2 IoCs
pid Process 3788 EXCEL.EXE 3788 EXCEL.EXE -
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 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3788 EXCEL.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3788 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3788 EXCEL.EXE 3788 EXCEL.EXE 3788 EXCEL.EXE 3788 EXCEL.EXE 3788 EXCEL.EXE 3788 EXCEL.EXE 3788 EXCEL.EXE 3788 EXCEL.EXE
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\Requirement.xll"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3788
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
596KB
MD5da8b3c5ea6ec062d23052d226dbe161a
SHA1c0f6c3a783ca16f66b59bafa4a4d21062060e543
SHA256df31f4d0dfa06029237f9599458cde53165850e45a96e4e4060ff3c948e48d16
SHA512895129d442cd97a852b92a2f7f8fb3dfb3fb8107e3c4dcfe3cd0c2d59178befec35e40ef9559571c236b87295922349e9713b47600ff567a817393b154d77e66
-
Filesize
596KB
MD5da8b3c5ea6ec062d23052d226dbe161a
SHA1c0f6c3a783ca16f66b59bafa4a4d21062060e543
SHA256df31f4d0dfa06029237f9599458cde53165850e45a96e4e4060ff3c948e48d16
SHA512895129d442cd97a852b92a2f7f8fb3dfb3fb8107e3c4dcfe3cd0c2d59178befec35e40ef9559571c236b87295922349e9713b47600ff567a817393b154d77e66