Analysis
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max time kernel
140s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
08/03/2025, 07:08
Static task
static1
Behavioral task
behavioral1
Sample
4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe
Resource
win7-20240903-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 2820 powershell.exe 2660 powershell.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2392 set thread context of 3040 2392 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 2932 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 2820 powershell.exe 2660 powershell.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3040 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe Token: SeDebugPrivilege 2820 powershell.exe Token: SeDebugPrivilege 2660 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3040 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 2392 wrote to memory of 2820 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 30 PID 2392 wrote to memory of 2820 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 30 PID 2392 wrote to memory of 2820 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 30 PID 2392 wrote to memory of 2820 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 30 PID 2392 wrote to memory of 2660 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 32 PID 2392 wrote to memory of 2660 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 32 PID 2392 wrote to memory of 2660 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 32 PID 2392 wrote to memory of 2660 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 32 PID 2392 wrote to memory of 2932 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 33 PID 2392 wrote to memory of 2932 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 33 PID 2392 wrote to memory of 2932 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 33 PID 2392 wrote to memory of 2932 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 33 PID 2392 wrote to memory of 1500 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 36 PID 2392 wrote to memory of 1500 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 36 PID 2392 wrote to memory of 1500 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 36 PID 2392 wrote to memory of 1500 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 36 PID 2392 wrote to memory of 3040 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 37 PID 2392 wrote to memory of 3040 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 37 PID 2392 wrote to memory of 3040 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 37 PID 2392 wrote to memory of 3040 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 37 PID 2392 wrote to memory of 3040 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 37 PID 2392 wrote to memory of 3040 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 37 PID 2392 wrote to memory of 3040 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 37 PID 2392 wrote to memory of 3040 2392 4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe 37 PID 2392 wrote to memory of 3040 2392 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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2392 -
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:2820
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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:2660
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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\tmp907D.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2932
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C:\Users\Admin\AppData\Local\Temp\4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe"C:\Users\Admin\AppData\Local\Temp\4db7507380d62465271df29775dd284e6421a2f6848bc9f5eb17188d399e9edf.exe"2⤵PID:1500
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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:3040
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD56d5465ea396ad1219009e4c4e458021b
SHA1fddd04a46cb5b5b517a09a35b226609a6268c4ba
SHA2566c8be5620a1f9b69a0e2d31f9d87b6c40b81d45d7f73828dfa4ae514072d846a
SHA512cc031e867f18e8772d279094055ae26a5a37b295a6fa8c68201d99a7336baed037f73ce57f2b356e12b14fb407c8d8e1de1c2875fdf9a6f84e9b1891ca105a6b
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD5a86790784cf588565d29970e88e4b457
SHA1810d8c46016ada125ad694e3d88279a87daf2d22
SHA256edad3bae43135e48a0224389514d1e54a3ae8666acc698bc63b8310a8c8f881a
SHA512874ef033f8169e5a8fd1c0326717ea17f641a1e037c41e0e653a45c1786e3df8a141923ad03e13e9ad6c5e5fcd36c3f79c578c734530a8d5c44959e50def87c1