Analysis
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max time kernel
177s -
max time network
178s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
02/10/2022, 00:03
Static task
static1
Behavioral task
behavioral1
Sample
cc46745ea6e70cdb1bb32c38b3521a21003dff15f6a2f7a17e77bd25d9bb6ce5.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
cc46745ea6e70cdb1bb32c38b3521a21003dff15f6a2f7a17e77bd25d9bb6ce5.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
cc46745ea6e70cdb1bb32c38b3521a21003dff15f6a2f7a17e77bd25d9bb6ce5.exe
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Size
232KB
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MD5
64e30714c254d285c8651020eb9aa710
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SHA1
1ea331d00b51fb85e5e845587a0ff650d7012489
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SHA256
cc46745ea6e70cdb1bb32c38b3521a21003dff15f6a2f7a17e77bd25d9bb6ce5
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SHA512
053453ba3c09698ddd0efa7a460b0b04164f403d3597bedaac55e721c9b5d8a27099112ba6a382dc0a00d33727a11f5b2974d9f7a2e68135ad8cc3c0844d85d4
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SSDEEP
6144:5yz3PFKs78vpRTlEqxF6snji81RUinKbs0n:WPhu4
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cc46745ea6e70cdb1bb32c38b3521a21003dff15f6a2f7a17e77bd25d9bb6ce5.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" raucou.exe -
Executes dropped EXE 1 IoCs
pid Process 4700 raucou.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation cc46745ea6e70cdb1bb32c38b3521a21003dff15f6a2f7a17e77bd25d9bb6ce5.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /s" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /g" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /l" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /v" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /j" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /f" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /k" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /u" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /z" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /i" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /c" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /r" raucou.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /h" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /x" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /b" raucou.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cc46745ea6e70cdb1bb32c38b3521a21003dff15f6a2f7a17e77bd25d9bb6ce5.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /d" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /a" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /m" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /q" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /z" cc46745ea6e70cdb1bb32c38b3521a21003dff15f6a2f7a17e77bd25d9bb6ce5.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /y" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /e" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /p" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /n" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /t" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /w" raucou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\raucou = "C:\\Users\\Admin\\raucou.exe /o" raucou.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 64 IoCs
pid Process 3424 cc46745ea6e70cdb1bb32c38b3521a21003dff15f6a2f7a17e77bd25d9bb6ce5.exe 3424 cc46745ea6e70cdb1bb32c38b3521a21003dff15f6a2f7a17e77bd25d9bb6ce5.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe 4700 raucou.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3424 cc46745ea6e70cdb1bb32c38b3521a21003dff15f6a2f7a17e77bd25d9bb6ce5.exe 4700 raucou.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3424 wrote to memory of 4700 3424 cc46745ea6e70cdb1bb32c38b3521a21003dff15f6a2f7a17e77bd25d9bb6ce5.exe 83 PID 3424 wrote to memory of 4700 3424 cc46745ea6e70cdb1bb32c38b3521a21003dff15f6a2f7a17e77bd25d9bb6ce5.exe 83 PID 3424 wrote to memory of 4700 3424 cc46745ea6e70cdb1bb32c38b3521a21003dff15f6a2f7a17e77bd25d9bb6ce5.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\cc46745ea6e70cdb1bb32c38b3521a21003dff15f6a2f7a17e77bd25d9bb6ce5.exe"C:\Users\Admin\AppData\Local\Temp\cc46745ea6e70cdb1bb32c38b3521a21003dff15f6a2f7a17e77bd25d9bb6ce5.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3424 -
C:\Users\Admin\raucou.exe"C:\Users\Admin\raucou.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4700
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
232KB
MD582f4fd385023f05e9517f4919ad1207c
SHA16a6ebbcb3a253cde54b43fcbebb51bb9088c5d33
SHA256ccef7861cbdda6af7d9d632f19e6915c2337a1e402cd73a0edc0dfadb7c77d72
SHA512b7847e0471582664905872757ffd2b07e6be1e028fb814ee5c58d327c09993419a4b6a4e1f8393200d9a8bd2d3e5fe467c09dc9a0b1f87b5665b3663be9f0490
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Filesize
232KB
MD582f4fd385023f05e9517f4919ad1207c
SHA16a6ebbcb3a253cde54b43fcbebb51bb9088c5d33
SHA256ccef7861cbdda6af7d9d632f19e6915c2337a1e402cd73a0edc0dfadb7c77d72
SHA512b7847e0471582664905872757ffd2b07e6be1e028fb814ee5c58d327c09993419a4b6a4e1f8393200d9a8bd2d3e5fe467c09dc9a0b1f87b5665b3663be9f0490