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Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
11/11/2024, 21:23
Behavioral task
behavioral1
Sample
81edbbd0fb9f019847a29b1615cb9a0b14cffe19f0758ef80d3342218a2ef0dc.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
81edbbd0fb9f019847a29b1615cb9a0b14cffe19f0758ef80d3342218a2ef0dc.xls
Resource
win10v2004-20241007-en
General
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Target
81edbbd0fb9f019847a29b1615cb9a0b14cffe19f0758ef80d3342218a2ef0dc.xls
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Size
70KB
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MD5
b6f9d29a24d114095cb92c4fb4d2337b
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SHA1
f36edd212c76f6be18b6639525ad36b368b86306
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SHA256
81edbbd0fb9f019847a29b1615cb9a0b14cffe19f0758ef80d3342218a2ef0dc
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SHA512
4b4377132c18f644e14a63581c2ccf0f2d506fcd7865fdb65fba83d35f8a54039077afa462a8cfb60b08fdc0dbeac7e8e578813e7ed545d0283b5de584043b55
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SSDEEP
1536:OhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+e+hDcnTLiQrRTZws8Egk:uKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMx
Malware Config
Extracted
https://strachanclark.com/images/3gc4qCpSFYbBMDEC/
https://synapse-archive.com/images/bKaMr/
https://sumuvesa.com/wp-includes/rgL/
Signatures
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Process spawned unexpected child process 3 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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2848 2644 regsvr32.exe 30 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2592 2644 regsvr32.exe 30 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1728 2644 regsvr32.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 4 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EXCEL.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2644 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2644 EXCEL.EXE 2644 EXCEL.EXE 2644 EXCEL.EXE -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2644 wrote to memory of 2848 2644 EXCEL.EXE 32 PID 2644 wrote to memory of 2848 2644 EXCEL.EXE 32 PID 2644 wrote to memory of 2848 2644 EXCEL.EXE 32 PID 2644 wrote to memory of 2848 2644 EXCEL.EXE 32 PID 2644 wrote to memory of 2848 2644 EXCEL.EXE 32 PID 2644 wrote to memory of 2848 2644 EXCEL.EXE 32 PID 2644 wrote to memory of 2848 2644 EXCEL.EXE 32 PID 2644 wrote to memory of 2592 2644 EXCEL.EXE 33 PID 2644 wrote to memory of 2592 2644 EXCEL.EXE 33 PID 2644 wrote to memory of 2592 2644 EXCEL.EXE 33 PID 2644 wrote to memory of 2592 2644 EXCEL.EXE 33 PID 2644 wrote to memory of 2592 2644 EXCEL.EXE 33 PID 2644 wrote to memory of 2592 2644 EXCEL.EXE 33 PID 2644 wrote to memory of 2592 2644 EXCEL.EXE 33 PID 2644 wrote to memory of 1728 2644 EXCEL.EXE 34 PID 2644 wrote to memory of 1728 2644 EXCEL.EXE 34 PID 2644 wrote to memory of 1728 2644 EXCEL.EXE 34 PID 2644 wrote to memory of 1728 2644 EXCEL.EXE 34 PID 2644 wrote to memory of 1728 2644 EXCEL.EXE 34 PID 2644 wrote to memory of 1728 2644 EXCEL.EXE 34 PID 2644 wrote to memory of 1728 2644 EXCEL.EXE 34
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\81edbbd0fb9f019847a29b1615cb9a0b14cffe19f0758ef80d3342218a2ef0dc.xls1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2644 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2848
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C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2592
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C:\Windows\SysWOW64\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:1728
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b