Analysis
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max time kernel
150s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
19-10-2022 15:02
Behavioral task
behavioral1
Sample
b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
General
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Target
b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe
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Size
298KB
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MD5
91b8fd8a66fb9126763a232499c98d30
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SHA1
308e39a28c986f4247d78d162c14d021d2cb955d
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SHA256
b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48
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SHA512
7fece1448e8b87a7f14cdf6ab2ea0ae7aa250f84ed24cad0a2094184d37e3cda0943c3773bcae8ae16397af51004abb4c1c25cebeca6359500a8e61ea2a9166c
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SSDEEP
6144:EuIlWqB+ihabs7Ch9KwyF5LeLodp2D1Mmakda0qLqIYa:v6Wq4aaE6KwyF5L0Y2D1PqLH
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" svhost.exe -
Executes dropped EXE 1 IoCs
pid Process 1732 svhost.exe -
resource yara_rule behavioral2/memory/1380-132-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/files/0x0004000000022dea-134.dat upx behavioral2/files/0x0004000000022dea-135.dat upx behavioral2/memory/1732-136-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/1380-137-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/1732-138-0x0000000000400000-0x00000000004C2000-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) \??\e: svhost.exe File opened (read-only) \??\g: svhost.exe File opened (read-only) \??\j: svhost.exe File opened (read-only) \??\q: svhost.exe File opened (read-only) \??\v: svhost.exe File opened (read-only) \??\z: svhost.exe File opened (read-only) \??\u: svhost.exe File opened (read-only) \??\a: svhost.exe File opened (read-only) \??\k: svhost.exe File opened (read-only) \??\m: svhost.exe File opened (read-only) \??\n: svhost.exe File opened (read-only) \??\o: svhost.exe File opened (read-only) \??\p: svhost.exe File opened (read-only) \??\i: svhost.exe File opened (read-only) \??\r: svhost.exe File opened (read-only) \??\s: svhost.exe File opened (read-only) \??\w: svhost.exe File opened (read-only) \??\y: svhost.exe File opened (read-only) \??\b: svhost.exe File opened (read-only) \??\f: svhost.exe File opened (read-only) \??\h: svhost.exe File opened (read-only) \??\l: svhost.exe File opened (read-only) \??\t: svhost.exe File opened (read-only) \??\x: svhost.exe -
AutoIT Executable 3 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/1732-136-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/1380-137-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/1732-138-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\svhost.exe b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.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 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1732 svhost.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1732 svhost.exe 1732 svhost.exe 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1732 svhost.exe 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1732 svhost.exe 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1732 svhost.exe 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1732 svhost.exe 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1732 svhost.exe 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1732 svhost.exe 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1732 svhost.exe 1732 svhost.exe 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1732 svhost.exe 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1732 svhost.exe 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1732 svhost.exe 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1732 svhost.exe 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1732 svhost.exe 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1732 svhost.exe 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe 1732 svhost.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1380 wrote to memory of 1732 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 84 PID 1380 wrote to memory of 1732 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 84 PID 1380 wrote to memory of 1732 1380 b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe"C:\Users\Admin\AppData\Local\Temp\b847936013481d6f6429c8f26f24b99feb17f335f5ac9eeb25a09318cb96ff48.exe"1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1380 -
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:1732
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
298KB
MD583205dd25ae0005a0eafbfed93dae801
SHA1c0e1cfea2497303f0cc7532e4de679d7b48f68b0
SHA25632e2598e080977d3a12cbea806247f71114a0fab3d9e62125980c64cd105790c
SHA51223b2ad431025975fed7d4b46cf39bb0b96f812a3c6f8204cae33facd75c07fbd7e9e2509674eb4efe7a1b576f5a281f4ede3834b91f2a990732ed60db3f64316
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Filesize
298KB
MD583205dd25ae0005a0eafbfed93dae801
SHA1c0e1cfea2497303f0cc7532e4de679d7b48f68b0
SHA25632e2598e080977d3a12cbea806247f71114a0fab3d9e62125980c64cd105790c
SHA51223b2ad431025975fed7d4b46cf39bb0b96f812a3c6f8204cae33facd75c07fbd7e9e2509674eb4efe7a1b576f5a281f4ede3834b91f2a990732ed60db3f64316