Analysis
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max time kernel
153s -
max time network
152s -
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 14:51
Behavioral task
behavioral1
Sample
3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
General
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Target
3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe
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Size
298KB
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MD5
1e8f0889c59378e310770338bd32ef79
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SHA1
7a0737c5b4dce1430f2f56cfaae4a8345ac69d66
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SHA256
3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae
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SHA512
9326ad541217ee30b568af1d64e79378727f1ad16d9880d90ef05994788cc74e82d6d6b329576240a071d0b6c99bb8780771d3aad244b622b2beec5d117eedf9
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SSDEEP
6144:EuIlWqB+ihabs7Ch9KwyF5LeLodp2D1Mmakda0qLqIYh:v6Wq4aaE6KwyF5L0Y2D1PqLg
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" svhost.exe -
Executes dropped EXE 1 IoCs
pid Process 560 svhost.exe -
resource yara_rule behavioral2/memory/2088-132-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/files/0x0006000000022e0b-135.dat upx behavioral2/files/0x0006000000022e0b-134.dat upx behavioral2/memory/560-136-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/2088-137-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/560-138-0x0000000000400000-0x00000000004C2000-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) \??\f: svhost.exe File opened (read-only) \??\h: svhost.exe File opened (read-only) \??\k: svhost.exe File opened (read-only) \??\n: svhost.exe File opened (read-only) \??\v: 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) \??\q: svhost.exe File opened (read-only) \??\r: svhost.exe File opened (read-only) \??\b: svhost.exe File opened (read-only) \??\g: svhost.exe File opened (read-only) \??\i: svhost.exe File opened (read-only) \??\m: svhost.exe File opened (read-only) \??\t: svhost.exe File opened (read-only) \??\w: svhost.exe File opened (read-only) \??\x: svhost.exe File opened (read-only) \??\e: svhost.exe File opened (read-only) \??\p: svhost.exe File opened (read-only) \??\s: svhost.exe File opened (read-only) \??\u: svhost.exe File opened (read-only) \??\z: svhost.exe File opened (read-only) \??\j: svhost.exe -
AutoIT Executable 3 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/560-136-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/2088-137-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/560-138-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\svhost.exe 3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.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 2088 3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe 2088 3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 560 svhost.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 2088 3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe 2088 3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe 560 svhost.exe 560 svhost.exe 2088 3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe 560 svhost.exe 2088 3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe 560 svhost.exe 2088 3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe 560 svhost.exe 560 svhost.exe 2088 3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe 2088 3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 2088 3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe 2088 3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe 560 svhost.exe 560 svhost.exe 2088 3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe 560 svhost.exe 2088 3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe 560 svhost.exe 2088 3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe 560 svhost.exe 560 svhost.exe 2088 3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe 2088 3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe 560 svhost.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2088 wrote to memory of 560 2088 3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe 81 PID 2088 wrote to memory of 560 2088 3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe 81 PID 2088 wrote to memory of 560 2088 3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe"C:\Users\Admin\AppData\Local\Temp\3ecf06a01abb97a4fc4f2a91242d1c8a05386aaec37438178325cf2d3adb0cae.exe"1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2088 -
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:560
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
298KB
MD56ee8dacef9035afe836041ea2e7fa3f4
SHA1d9f908af2cd2fb453e2cf9425e12bce784af894c
SHA2566663597e771b770804e758e61203b62c2838d20231a40bd97b10416b2894ecc6
SHA512d64b0799c55441c83dfcbb8f0ce52af16b031d4ae93f27e5a39a6ae5b8a4e1434b088eeb5197a79a0b4ac50f005bd99f738cc019b54a9ae007fce29d02001917
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Filesize
298KB
MD56ee8dacef9035afe836041ea2e7fa3f4
SHA1d9f908af2cd2fb453e2cf9425e12bce784af894c
SHA2566663597e771b770804e758e61203b62c2838d20231a40bd97b10416b2894ecc6
SHA512d64b0799c55441c83dfcbb8f0ce52af16b031d4ae93f27e5a39a6ae5b8a4e1434b088eeb5197a79a0b4ac50f005bd99f738cc019b54a9ae007fce29d02001917