Analysis
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max time kernel
40s -
max time network
99s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
27-11-2022 21:20
Static task
static1
Behavioral task
behavioral1
Sample
1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe
Resource
win10v2004-20220812-en
General
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Target
1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe
-
Size
512KB
-
MD5
dd1167520d29488bd7dcb2cf5b0ecc31
-
SHA1
2dfd4fa53fe7852c044b7d1182b1f1f5a88307af
-
SHA256
1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65
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SHA512
6854ace91dd6d35a86c95a3a7993644779241ff85d244d1eadd87502ad4dc07fd512e014215ed5bfd3be7ccfeb31c7a589b2c3be8f81d46228d8dd710910b30a
-
SSDEEP
12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4y:0+h9OY70z+warul3E4y
Malware Config
Signatures
-
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe -
Executes dropped EXE 1 IoCs
pid Process 604 s2755.exe -
Loads dropped DLL 4 IoCs
pid Process 2020 1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe 2020 1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe 2020 1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe 2020 1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS 1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer 1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81 s2755.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81\Blob = 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 s2755.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81\Blob = 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 s2755.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81\Blob = 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 s2755.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2020 1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe 604 s2755.exe 604 s2755.exe 604 s2755.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 604 s2755.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 604 s2755.exe 604 s2755.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2020 wrote to memory of 604 2020 1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe 26 PID 2020 wrote to memory of 604 2020 1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe 26 PID 2020 wrote to memory of 604 2020 1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe 26 PID 2020 wrote to memory of 604 2020 1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe 26
Processes
-
C:\Users\Admin\AppData\Local\Temp\1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe"C:\Users\Admin\AppData\Local\Temp\1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Loads dropped DLL
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Users\Admin\AppData\Local\Temp\n2755\s2755.exe"C:\Users\Admin\AppData\Local\Temp\n2755\s2755.exe" a04409ceea7b669c36daddedBzHyN/UbnaiN/bWdajsVPyDgPEoZur5IvrnJZ/g25nKz/vQW5QlBbkpifEiMwj0VlP9Rky5aUBCfoAjXoFcLwDDHJADzTgIe2evyCN64sHtymMrbto/Gef7yYkXGNFYvnhIZBeYj9vjYGN9LDYTNxqc9 /v "C:\Users\Admin\AppData\Local\Temp\1f1dadae2d9d84e8dda02e0ba8386f38b1d674f6ff14f5a0ab173bf3ca1eac65.exe"2⤵
- Executes dropped EXE
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:604
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
230KB
MD5abaf13cb23de482dc944ab5b51ca3aac
SHA176837356db96dd56b647aba60f1adbbdc7b200fe
SHA256b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e
SHA512cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3
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Filesize
230KB
MD5abaf13cb23de482dc944ab5b51ca3aac
SHA176837356db96dd56b647aba60f1adbbdc7b200fe
SHA256b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e
SHA512cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3
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Filesize
230KB
MD5abaf13cb23de482dc944ab5b51ca3aac
SHA176837356db96dd56b647aba60f1adbbdc7b200fe
SHA256b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e
SHA512cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3
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Filesize
230KB
MD5abaf13cb23de482dc944ab5b51ca3aac
SHA176837356db96dd56b647aba60f1adbbdc7b200fe
SHA256b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e
SHA512cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3
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Filesize
230KB
MD5abaf13cb23de482dc944ab5b51ca3aac
SHA176837356db96dd56b647aba60f1adbbdc7b200fe
SHA256b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e
SHA512cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3
-
Filesize
230KB
MD5abaf13cb23de482dc944ab5b51ca3aac
SHA176837356db96dd56b647aba60f1adbbdc7b200fe
SHA256b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e
SHA512cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3