Analysis
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max time kernel
140s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
08/03/2025, 07:02
Static task
static1
Behavioral task
behavioral1
Sample
4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe
Resource
win7-20240729-en
General
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Target
4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe
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Size
845KB
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MD5
1c952627db9f89d810c16e45f7364f5f
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SHA1
75087303e05cbe848e3dd2d709542aaa8f5d98c0
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SHA256
4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf
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SHA512
1ff1cd3b0d685e2fa07714bcddf594507928a116fc33a27615d00859e19e6e4c1dcf0a27c75c52505d12dd086ad8f6cf8f564e56bbd8408cc57d94300112bac4
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SSDEEP
24576:yr++eYJ/eRnjnielBiPI/TS1EmUJrJABUGG9Y/assxUfA:y++eYYpnFviw/TS6AI9tsZY
Malware Config
Extracted
darkcloud
https://api.telegram.org/bot7922909971:AAESR5mvezMqr8iz6psLIehHVuWpWpAUuaI/sendMessage?chat_id=7518399906
Signatures
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Darkcloud family
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2248 powershell.exe 2860 powershell.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2340 set thread context of 2852 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 37 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 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 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2856 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2248 powershell.exe 2860 powershell.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2852 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2248 powershell.exe Token: SeDebugPrivilege 2860 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2852 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2340 wrote to memory of 2248 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 31 PID 2340 wrote to memory of 2248 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 31 PID 2340 wrote to memory of 2248 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 31 PID 2340 wrote to memory of 2248 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 31 PID 2340 wrote to memory of 2860 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 33 PID 2340 wrote to memory of 2860 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 33 PID 2340 wrote to memory of 2860 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 33 PID 2340 wrote to memory of 2860 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 33 PID 2340 wrote to memory of 2856 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 34 PID 2340 wrote to memory of 2856 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 34 PID 2340 wrote to memory of 2856 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 34 PID 2340 wrote to memory of 2856 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 34 PID 2340 wrote to memory of 2852 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 37 PID 2340 wrote to memory of 2852 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 37 PID 2340 wrote to memory of 2852 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 37 PID 2340 wrote to memory of 2852 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 37 PID 2340 wrote to memory of 2852 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 37 PID 2340 wrote to memory of 2852 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 37 PID 2340 wrote to memory of 2852 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 37 PID 2340 wrote to memory of 2852 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 37 PID 2340 wrote to memory of 2852 2340 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe"C:\Users\Admin\AppData\Local\Temp\4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2340 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2248
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OjzZfu.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2860
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OjzZfu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC6F.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2856
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C:\Users\Admin\AppData\Local\Temp\4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe"C:\Users\Admin\AppData\Local\Temp\4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2852
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD57edf6cb7b4aa49fe1cbd45bc45826dcb
SHA19294a5c2c165ae6e09dd7ffba14727ce14291389
SHA256e5e3e34c278c6b02c06d96c36da5a016f20992b8a93a4cbbe8ed5c3c1de59666
SHA51201d9d8d888ec7f0d91c2700b8d316adc2f4e858616d980e190aba2e4e8aa1d330c1c322b0a4b9f52fa7d89f9b55089dd5d2e554f8b935e75f8ee0ea2628628ec
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\AG2B0QEC274DFIV9Z48G.temp
Filesize7KB
MD598ced1703ff20262e849b2af5f8b5cfc
SHA155edcf40e14597b5a5605fb988e85d1869306898
SHA2561589d0686b0b70cfb9eed53fe132a3ab17cb2facb82a8e00dfc11f8ffb83bb89
SHA512b5829effdc2357ed652bc221cfd6da5dc87c90f26ca7399d997d4630b86ad18cececb5290fad71309eac11563258d88e0cfbb6a227fcb18bab2971bb5f5ef5bd