Analysis
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max time kernel
144s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
31-01-2024 11:10
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20231129-en
General
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Target
file.exe
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Size
916KB
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MD5
07ecf716a8c177510d8bbb67c9023589
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SHA1
ff8623958dbacdbd2d370e34b91d55823906b0e1
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SHA256
22b5dce4881004cd5491a450ccd459dc4790f28e8dfd9765e040b51003cccab8
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SHA512
f757576f63cece311e391b458a5d953d825a66437dcc2cf98e5f2249e89463268c363dd7facfd316827117de6d61cc8a1c5d732f6b6c9c47ab82c986920018d2
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SSDEEP
12288:pjgO9SCF1OevUUGQv0R4jesqzAOzS7EPoHWj9cy1eMX9ECcCVu5brNKtqFJ/hkaC:xgO9ZzvzKLAkDA2xcyB9uJGG/hWuzw
Malware Config
Extracted
darkcloud
- email_from
- email_to
Signatures
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Suspicious use of SetThreadContext 1 IoCs
Processes:
file.exedescription pid process target process PID 2264 set thread context of 2532 2264 file.exe file.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepowershell.exepid process 1728 powershell.exe 2692 powershell.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
file.exepid process 2532 file.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 1728 powershell.exe Token: SeDebugPrivilege 2692 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
file.exepid process 2532 file.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
file.exedescription pid process target process PID 2264 wrote to memory of 1728 2264 file.exe powershell.exe PID 2264 wrote to memory of 1728 2264 file.exe powershell.exe PID 2264 wrote to memory of 1728 2264 file.exe powershell.exe PID 2264 wrote to memory of 1728 2264 file.exe powershell.exe PID 2264 wrote to memory of 2692 2264 file.exe powershell.exe PID 2264 wrote to memory of 2692 2264 file.exe powershell.exe PID 2264 wrote to memory of 2692 2264 file.exe powershell.exe PID 2264 wrote to memory of 2692 2264 file.exe powershell.exe PID 2264 wrote to memory of 2740 2264 file.exe schtasks.exe PID 2264 wrote to memory of 2740 2264 file.exe schtasks.exe PID 2264 wrote to memory of 2740 2264 file.exe schtasks.exe PID 2264 wrote to memory of 2740 2264 file.exe schtasks.exe PID 2264 wrote to memory of 2532 2264 file.exe file.exe PID 2264 wrote to memory of 2532 2264 file.exe file.exe PID 2264 wrote to memory of 2532 2264 file.exe file.exe PID 2264 wrote to memory of 2532 2264 file.exe file.exe PID 2264 wrote to memory of 2532 2264 file.exe file.exe PID 2264 wrote to memory of 2532 2264 file.exe file.exe PID 2264 wrote to memory of 2532 2264 file.exe file.exe PID 2264 wrote to memory of 2532 2264 file.exe file.exe PID 2264 wrote to memory of 2532 2264 file.exe file.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2264 -
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\file.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1728 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oJkikIYc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2692 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oJkikIYc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4338.tmp"2⤵
- Creates scheduled task(s)
PID:2740 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2532
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5bc3b2b0094052741c45b87940c2259f1
SHA17abb134691aa1f438638ab5f69d4dd8d684ef9db
SHA25686ac6659f02441634552df253cf636b8e117531ac7b070c14a5d251809dd963a
SHA512b6f48d61b7679200d1376b082f7ffc109a08edf354ca54555fed6f35644b73a63e32ab9d592c5c9110225a901918223f456af62c06307c3f4191129080497f82
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD50355c0fd0024db9ab7b8e19f9b29661f
SHA1a11b0bd9c9376167adf3e5ab908dbb321d197bdc
SHA2563496d31ff33852745a48daeb977281ad28c82d75d93feb6bac78e2be0c499cb4
SHA512c437e6a84853252c785247289bc2c19361df6c41a5fe9775eceabf3cba76f6d1f5ce4d81e8794110b00b9240e393e010912007754978a0db8a4984c059988ac5