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Analysis
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max time kernel
152s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2022, 13:16
Behavioral task
behavioral1
Sample
27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
General
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Target
27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe
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Size
298KB
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MD5
11f8c5fbc44e99a180150e5721ef6085
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SHA1
b020e040f65130d99eb93578c2594fd1eb344a1b
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SHA256
27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19
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SHA512
a031677bfe59c498e600b3a26788dbc06e27f966a8e448578cc2c47009868cd09801222dffadded585187ab857d469e5f6f62a0601f68b21e8f771b5fbe1b96f
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SSDEEP
6144:EuIlWqB+ihabs7Ch9KwyF5LeLodp2D1Mmakda0qLqIYw:v6Wq4aaE6KwyF5L0Y2D1PqLr
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" svhost.exe -
Executes dropped EXE 1 IoCs
pid Process 1716 svhost.exe -
resource yara_rule behavioral2/memory/2796-132-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/files/0x000b000000022e52-134.dat upx behavioral2/files/0x000b000000022e52-135.dat upx behavioral2/memory/1716-136-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/2796-137-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/1716-138-0x0000000000400000-0x00000000004C2000-memory.dmp upx -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\v: svhost.exe File opened (read-only) \??\t: svhost.exe File opened (read-only) \??\x: svhost.exe File opened (read-only) \??\h: svhost.exe File opened (read-only) \??\i: svhost.exe File opened (read-only) \??\j: svhost.exe File opened (read-only) \??\m: svhost.exe File opened (read-only) \??\n: svhost.exe File opened (read-only) \??\p: svhost.exe File opened (read-only) \??\z: svhost.exe File opened (read-only) \??\r: svhost.exe File opened (read-only) \??\b: svhost.exe File opened (read-only) \??\e: svhost.exe File opened (read-only) \??\f: svhost.exe File opened (read-only) \??\g: svhost.exe File opened (read-only) \??\k: svhost.exe File opened (read-only) \??\q: svhost.exe File opened (read-only) \??\y: svhost.exe File opened (read-only) \??\a: svhost.exe File opened (read-only) \??\l: svhost.exe File opened (read-only) \??\o: svhost.exe File opened (read-only) \??\s: svhost.exe File opened (read-only) \??\u: svhost.exe File opened (read-only) \??\w: svhost.exe -
AutoIT Executable 4 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/2796-132-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/1716-136-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/2796-137-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/1716-138-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\svhost.exe 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe File opened for modification C:\Windows\Driver.db svhost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1716 svhost.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 1716 svhost.exe 1716 svhost.exe 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 1716 svhost.exe 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 1716 svhost.exe 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 1716 svhost.exe 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 1716 svhost.exe 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 1716 svhost.exe 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 1716 svhost.exe 1716 svhost.exe 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 1716 svhost.exe 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 1716 svhost.exe 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 1716 svhost.exe 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 1716 svhost.exe 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 1716 svhost.exe 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe 1716 svhost.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2796 wrote to memory of 1716 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 83 PID 2796 wrote to memory of 1716 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 83 PID 2796 wrote to memory of 1716 2796 27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe"C:\Users\Admin\AppData\Local\Temp\27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe"1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Windows\svhost.exeC:\Windows\svhost.exe2⤵
- Modifies visibility of file extensions in Explorer
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1716
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
298KB
MD5a97f136d6d8d527aedbb9a42861ef307
SHA10f8a3051eb4cf878324c73163e83d57d7f3788aa
SHA256f65fbbf75d9473d531d3df4f75e9820669b6094c4f70a4a97919e72f888bf16c
SHA5123bc4e1d00671ee8c2daefe8f9cbf1a5094f6fd8f1b1645dbd071b1f9dc3badd39c8a9889dfbc0b087f24b0f37cf1a577fe28068239a41317fb6d72d9f19dd6ac
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Filesize
298KB
MD5a97f136d6d8d527aedbb9a42861ef307
SHA10f8a3051eb4cf878324c73163e83d57d7f3788aa
SHA256f65fbbf75d9473d531d3df4f75e9820669b6094c4f70a4a97919e72f888bf16c
SHA5123bc4e1d00671ee8c2daefe8f9cbf1a5094f6fd8f1b1645dbd071b1f9dc3badd39c8a9889dfbc0b087f24b0f37cf1a577fe28068239a41317fb6d72d9f19dd6ac