Analysis
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max time kernel
37s -
max time network
28s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
21-03-2023 14:34
Static task
static1
Behavioral task
behavioral1
Sample
7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe
Resource
win7-20230220-en
General
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Target
7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe
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Size
6.7MB
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MD5
da503ddb68a25aa665e0e15855ef4012
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SHA1
0c016eb8eb016a1d0d36e1dc338e2766d40c7464
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SHA256
7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b
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SHA512
eff07f20f8d9ba9b337220a4143d61eeabee58a3788f796563581e7ad5dcd6a297124987ebab8675752fd3f0a3cb14fbd29d7dc9ae568aa866ce3be8734fbc47
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SSDEEP
98304:fPTCG6TDhi5vXL1tnX5Iz3OIyN5RRZc2B9iv/BE645Z5rhnqrKUIqf5pQNVPoPY:f7CG6TQZLzkeIcRZvBQvq6erFQKqLQ3
Malware Config
Signatures
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Deletes itself 1 IoCs
Processes:
cmd.exepid process 1608 cmd.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum 7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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:
7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1144 timeout.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exepid process 1636 7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe 1636 7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.execmd.exedescription pid process target process PID 1636 wrote to memory of 1608 1636 7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe cmd.exe PID 1636 wrote to memory of 1608 1636 7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe cmd.exe PID 1636 wrote to memory of 1608 1636 7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe cmd.exe PID 1636 wrote to memory of 1608 1636 7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe cmd.exe PID 1608 wrote to memory of 1144 1608 cmd.exe timeout.exe PID 1608 wrote to memory of 1144 1608 cmd.exe timeout.exe PID 1608 wrote to memory of 1144 1608 cmd.exe timeout.exe PID 1608 wrote to memory of 1144 1608 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe"C:\Users\Admin\AppData\Local\Temp\7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe"1⤵
- Maps connected drives based on registry
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout -t 53⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\24F5.tmpFilesize
32B
MD548255136fc205998b4ebbe6f72b5cdd0
SHA1c6f2c7fdd75a999a61ddfb5b4923d6a0dad917b1
SHA25600523df8a35803806212867d9f6ab89d17a1bfdd3aef5fbb1dc10fcd6faa114c
SHA512c74a7e214f93d124aed393e00f720ac91ca46328f4edf710b26235145b676003261943e4779acbc52ef14667a78636968c04c1065ac5cc70ba9f54d6ab0226de
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C:\Users\Admin\AppData\Local\Temp\2586.tmpFilesize
71KB
MD56082dd13ad8102d17f9db9cd07600e97
SHA139becc88cea914d843b3c5521038907f2f2f4e71
SHA25640a3f938c8c1eb929771c444d5f8887c42c7cde6281690e2071a2593ba92e48a
SHA512b7d5c716b6339b3138492c8b0cf4c9540a8d8224f9d5e72e34ceab442bdfa9c855473bbed68a489851f019461e1b1f9d86baf067be556c67b948c930899d3c1e
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memory/1636-65-0x00000000002A0000-0x00000000002A1000-memory.dmpFilesize
4KB
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memory/1636-67-0x00000000002B0000-0x00000000002B1000-memory.dmpFilesize
4KB
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memory/1636-58-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB
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memory/1636-59-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB
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memory/1636-60-0x0000000000250000-0x0000000000251000-memory.dmpFilesize
4KB
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memory/1636-61-0x0000000000250000-0x0000000000251000-memory.dmpFilesize
4KB
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memory/1636-62-0x0000000000250000-0x0000000000251000-memory.dmpFilesize
4KB
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memory/1636-64-0x00000000002A0000-0x00000000002A1000-memory.dmpFilesize
4KB
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memory/1636-55-0x0000000000230000-0x0000000000231000-memory.dmpFilesize
4KB
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memory/1636-57-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB
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memory/1636-68-0x00000000002B0000-0x00000000002B1000-memory.dmpFilesize
4KB
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memory/1636-70-0x00000000002C0000-0x00000000002C1000-memory.dmpFilesize
4KB
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memory/1636-71-0x00000000002C0000-0x00000000002C1000-memory.dmpFilesize
4KB
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memory/1636-73-0x00000000002D0000-0x00000000002D1000-memory.dmpFilesize
4KB
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memory/1636-74-0x00000000002D0000-0x00000000002D1000-memory.dmpFilesize
4KB
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memory/1636-75-0x0000000000400000-0x0000000000EFB000-memory.dmpFilesize
11.0MB
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memory/1636-56-0x0000000000230000-0x0000000000231000-memory.dmpFilesize
4KB
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memory/1636-54-0x0000000000230000-0x0000000000231000-memory.dmpFilesize
4KB