Analysis
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max time kernel
60s -
max time network
59s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
26-06-2024 21:08
Behavioral task
behavioral1
Sample
27c6cf2923f57d8add450f2c8a37c8b242e5a707f90d7dee4498f42d18c2e064.xls
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
27c6cf2923f57d8add450f2c8a37c8b242e5a707f90d7dee4498f42d18c2e064.xls
Resource
win10v2004-20240611-en
General
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Target
27c6cf2923f57d8add450f2c8a37c8b242e5a707f90d7dee4498f42d18c2e064.xls
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Size
715KB
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MD5
80de205919577fea74c6f325dee78829
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SHA1
edc3a56394a3a3940f16efb1fb43147d16fbf92c
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SHA256
27c6cf2923f57d8add450f2c8a37c8b242e5a707f90d7dee4498f42d18c2e064
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SHA512
9f8e31aa87d63794cfc1779c2fa6c27dd687adcd5212d628531f6be6d201896e9a82191d11c057f8e52d518d4d005451d28c282cbe129be22ae7ca78e42e3906
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SSDEEP
12288:aRsUpcHnXXzNkRKFfsAqdlVDczXZejbeAQjSY4VTZoLtq57kWjuNMfK:aRsSc3DGUFfpqdUzXM/GjS/VTZoIP
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.
Processes:
cmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4488 2228 cmd.exe EXCEL.EXE -
Executes dropped EXE 1 IoCs
Processes:
3vktqze2vz6h.exepid process 2516 3vktqze2vz6h.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2228 EXCEL.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
3vktqze2vz6h.exedescription pid process Token: SeDebugPrivilege 2516 3vktqze2vz6h.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2228 EXCEL.EXE 2228 EXCEL.EXE 2228 EXCEL.EXE 2228 EXCEL.EXE 2228 EXCEL.EXE 2228 EXCEL.EXE 2228 EXCEL.EXE 2228 EXCEL.EXE 2228 EXCEL.EXE 2228 EXCEL.EXE 2228 EXCEL.EXE 2228 EXCEL.EXE -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
EXCEL.EXEcmd.execsc.exedescription pid process target process PID 2228 wrote to memory of 4488 2228 EXCEL.EXE cmd.exe PID 2228 wrote to memory of 4488 2228 EXCEL.EXE cmd.exe PID 4488 wrote to memory of 3304 4488 cmd.exe csc.exe PID 4488 wrote to memory of 3304 4488 cmd.exe csc.exe PID 4488 wrote to memory of 3304 4488 cmd.exe csc.exe PID 3304 wrote to memory of 3872 3304 csc.exe cvtres.exe PID 3304 wrote to memory of 3872 3304 csc.exe cvtres.exe PID 3304 wrote to memory of 3872 3304 csc.exe cvtres.exe PID 4488 wrote to memory of 2516 4488 cmd.exe 3vktqze2vz6h.exe PID 4488 wrote to memory of 2516 4488 cmd.exe 3vktqze2vz6h.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\27c6cf2923f57d8add450f2c8a37c8b242e5a707f90d7dee4498f42d18c2e064.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Windows\SYSTEM32\cmd.execmd /c C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /target:winexe /out:"C:\Users\Admin\AppData\Roaming\Microsoft\3vktqze2vz6h.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\ydc5b33lb8en.cs" & "C:\Users\Admin\AppData\Roaming\Microsoft\3vktqze2vz6h.exe"2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:4488 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /target:winexe /out:"C:\Users\Admin\AppData\Roaming\Microsoft\3vktqze2vz6h.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\ydc5b33lb8en.cs"3⤵
- Suspicious use of WriteProcessMemory
PID:3304 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES415E.tmp" "c:\Users\Admin\AppData\Roaming\Microsoft\CSCB31A1D3F8FA4694A8B49AB0F964F51.TMP"4⤵PID:3872
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C:\Users\Admin\AppData\Roaming\Microsoft\3vktqze2vz6h.exe"C:\Users\Admin\AppData\Roaming\Microsoft\3vktqze2vz6h.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2516
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD526e54a2481265c851f3786e91ae8bf7f
SHA11ed77b135b3850ea1fda56989e5646dfb490f74b
SHA2561a486df0a0b17829029226b3c5268e14339ecbeb3293a04da1d55e9520750b2c
SHA51254f6422d1f38dc74a8f04b5ec635691ef405f2a8229436fe7081354f95adcce1ce3678b1dcf1ee70e9f3e49638560f44be846386752e81540db8ebd1808fe448
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Filesize
6KB
MD578cf3b7a3c6233772c47cc85986c2acf
SHA18f5182f643c9dadffae48e42a3a9ba9c0221442e
SHA256206f0d3767fb59aef9481214c1623036546ee16ec4187f8e2d9fbdec13023a2a
SHA5129b0a0c09e6677f6a781942fb2ebef20e63038b1e29961871ce002ebdcdf7be41eb3d83d3175695faf07bd440e537652fa10435028c75746f76533f3d97f0419f
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Filesize
1KB
MD5a3240abfdaf56d3cb6c2b9a03287c9ad
SHA16d4f51103f5dab87a8459c18f86e329883a8d8fc
SHA256e8dacf5d043a55e07a17df4a68582b1e8d8615bc9a9576e879ee375e16b9adb8
SHA5126cd93832015847ae87bb6cb312286c276c2a3c09b1d08d371098c751d39d20b8e8080f596d018e81001f20b6125301cf1bf4bf04c9516219f6bebd6cc70188f1
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Filesize
2KB
MD53d6a86624aed949ac6b72ecfac76ff6d
SHA1bdbb6a1619b57c5ee0e8577fc25b74ff29c74e94
SHA256b00fdf715ad530babc4a92749ff05cdeee1eb81069f28fbe4ae27933d74533e0
SHA512b2fc0f8218bd9c8c534adf7c8716bb60f3de94a3e73c9e77515fa927c681d1b7c1fdc1b83a92f5ee5ef75d9a3279cc2db1a3b118332b346148a239555b14a1ae