Analysis
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max time kernel
133s -
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
21-11-2024 00:41
Behavioral task
behavioral1
Sample
26aff9db2c1eff028cb1bd89235b9ef1b171cec86d6272dc791abb04f75afb42.xls
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
26aff9db2c1eff028cb1bd89235b9ef1b171cec86d6272dc791abb04f75afb42.xls
Resource
win10v2004-20241007-en
General
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Target
26aff9db2c1eff028cb1bd89235b9ef1b171cec86d6272dc791abb04f75afb42.xls
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Size
243KB
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MD5
b4a59bca88d855a885cbc2cbc0e3fd53
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SHA1
678909ea475580709b65df327e072f599756f544
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SHA256
26aff9db2c1eff028cb1bd89235b9ef1b171cec86d6272dc791abb04f75afb42
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SHA512
05f7fe2ab707850c225be7715dd58a355c59bf92cdef1c0a2069c9b6c0445a902851ee58ba95086a53876eedf87583ede26d53b28ae94ff320010387d36f08a8
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SSDEEP
6144:DKpbdrHYrMue8q7QPX+5xtFEdi8/dg/ThvsiKIjvl5fd1Xh8rsoX/w/0Y:ghEXs5fXR8rsNT
Malware Config
Extracted
http://servidorcarlosydavid.es/wp-admin/jkNPgHxNjF/
https://gmo-sol-p10.heteml.jp/includes/UoJMgYAc1EES/
https://iashanghai.cn/z/Z1PG6ulBh20plss/
https://www.pasionportufuturo.pe/wp-content/HkUfvw0xuCy5/
http://dmdagents.com.au/vqwbgz/CL4Bo4C4VS0deg/
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\EXCEL.EXE is not expected to spawn this process 2712 1852 regsvr32.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1852 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1852 EXCEL.EXE 1852 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1852 EXCEL.EXE 1852 EXCEL.EXE 1852 EXCEL.EXE 1852 EXCEL.EXE 1852 EXCEL.EXE 1852 EXCEL.EXE 1852 EXCEL.EXE 1852 EXCEL.EXE 1852 EXCEL.EXE 1852 EXCEL.EXE 1852 EXCEL.EXE 1852 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1852 wrote to memory of 2712 1852 EXCEL.EXE 98 PID 1852 wrote to memory of 2712 1852 EXCEL.EXE 98 PID 1852 wrote to memory of 2712 1852 EXCEL.EXE 98
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\26aff9db2c1eff028cb1bd89235b9ef1b171cec86d6272dc791abb04f75afb42.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1852 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe /s ..\xxw1.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2712
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD5ce12ab48b72d605177431c05fccdba40
SHA19bc9f104c40a919f7225604f49883e7f58ea1873
SHA256cae8c64267da87e219cc0f73d3ec0b710d0f484852cc9ff514e63e548fa80ace
SHA5128b57f03a8853f271ff5b2685f997e50520016c0d56149f0e46cc06615755de46ea5bdc569f252437f91d11c230661742a31f20459776fdae14d122e4044bfc6a
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Filesize
45KB
MD50cfe08d0b76f6c16d79dffcb527d94bb
SHA160d63b9a567e6d1df9b0527ae21b1cd4c767bd8b
SHA256f3a99f22b32ae07964ad6e46f8ccd537f654da7eaa70ebe162efc85cfc1a332d
SHA51203852181f0944ba7a8fd67b9aa8ef1cb1d947be6f5b774eac2d8a5efaa689a1229918eaa9ae9d9384dfaa40b85c1a1a5d3ee036aec5e41f11012b16d33bb48cb