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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
26/04/2024, 18:26 UTC
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-26_44a21bf0fd719fb38667066a7f4179fd_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-26_44a21bf0fd719fb38667066a7f4179fd_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-26_44a21bf0fd719fb38667066a7f4179fd_cryptolocker.exe
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Size
61KB
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MD5
44a21bf0fd719fb38667066a7f4179fd
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SHA1
e70d8c80cba7ecec288fa6077df24df64535a027
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SHA256
6758e504ba1f9fd2725b302d5143955e517816ff92c615a7543c79527f1caf80
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SHA512
3a90f7221ee827d6dcb6cab2294460fea65467ec1b5aac0f8725bb9a77153700111b5d4f553d46cfc3a9a70b2917cd5b027709fdb44da330397f57075ed9c4f1
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SSDEEP
1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnan:btng54SMLr+/AO/kIhfoKMHda4
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000c000000023b4c-12.dat CryptoLocker_rule2 -
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-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation 2024-04-26_44a21bf0fd719fb38667066a7f4179fd_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 2980 gewos.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4368 wrote to memory of 2980 4368 2024-04-26_44a21bf0fd719fb38667066a7f4179fd_cryptolocker.exe 84 PID 4368 wrote to memory of 2980 4368 2024-04-26_44a21bf0fd719fb38667066a7f4179fd_cryptolocker.exe 84 PID 4368 wrote to memory of 2980 4368 2024-04-26_44a21bf0fd719fb38667066a7f4179fd_cryptolocker.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-26_44a21bf0fd719fb38667066a7f4179fd_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-26_44a21bf0fd719fb38667066a7f4179fd_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4368 -
C:\Users\Admin\AppData\Local\Temp\gewos.exe"C:\Users\Admin\AppData\Local\Temp\gewos.exe"2⤵
- Executes dropped EXE
PID:2980
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Network
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestg.bing.comIN A
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Remote address:8.8.8.8:53Requestg.bing.comIN A
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Remote address:8.8.8.8:53Requestg.bing.comIN A
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Remote address:8.8.8.8:53Requestg.bing.comIN A
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Remote address:8.8.8.8:53Requestg.bing.comIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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Remote address:8.8.8.8:53Requestnasap.netIN A
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275 B 5
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
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280 B 5
DNS Request
g.bing.com
DNS Request
g.bing.com
DNS Request
g.bing.com
DNS Request
g.bing.com
DNS Request
g.bing.com
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275 B 5
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
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275 B 5
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
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275 B 5
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
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275 B 5
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
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275 B 5
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
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275 B 5
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
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275 B 5
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
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275 B 5
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
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275 B 5
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
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275 B 5
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
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275 B 5
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
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220 B 4
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
DNS Request
nasap.net
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
61KB
MD5f3e6353833d26b55fef953f0d61f928b
SHA1463d01f285f393653b038dcf76a66e4569cfb469
SHA256cfbbc1e7b2ae52b678b29b2d658cccc2baa179d53828984164cd784368fc6699
SHA512e65b18ff68c6ed85b1d1e32f9535a272ddaa8a8e669489dee2cebc996f92d46fdef0d737c5669a4d1169067ef21fd6c9bac04cd66ea80aff5603c60f5654b8ec