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Analysis
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max time kernel
151s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
04/02/2024, 09:40 UTC
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-04_759645d1007b984550d2201798630366_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-04_759645d1007b984550d2201798630366_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-04_759645d1007b984550d2201798630366_cryptolocker.exe
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Size
52KB
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MD5
759645d1007b984550d2201798630366
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SHA1
562ebb50073af49ea6b2a71a1f04a3a2f493a0fe
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SHA256
8a62d1524639d6a9ceef2a3b169e1cfd988ff11b93900c563fdc9bbeef91f4e0
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SHA512
8c8cf59df073abd7ca460f888e0d5d8d7542541be513f1146ebb13fc876d09ca5b9f035a3296af73b57db113b97882c72ccb2777940ebf7d605ad1f5794c302c
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SSDEEP
768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9XbTbmhTB/:bIDOw9a0DwitDZzcTQ
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x0007000000023121-12.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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation 2024-02-04_759645d1007b984550d2201798630366_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 3548 lossy.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 880 wrote to memory of 3548 880 2024-02-04_759645d1007b984550d2201798630366_cryptolocker.exe 84 PID 880 wrote to memory of 3548 880 2024-02-04_759645d1007b984550d2201798630366_cryptolocker.exe 84 PID 880 wrote to memory of 3548 880 2024-02-04_759645d1007b984550d2201798630366_cryptolocker.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-04_759645d1007b984550d2201798630366_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-04_759645d1007b984550d2201798630366_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:880 -
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
PID:3548
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Network
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Remote address:8.8.8.8:53Request241.150.49.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request194.178.17.96.in-addr.arpaIN PTRResponse194.178.17.96.in-addr.arpaIN PTRa96-17-178-194deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request95.221.229.192.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request58.55.71.13.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request183.59.114.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request56.126.166.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request217.135.221.88.in-addr.arpaIN PTRResponse217.135.221.88.in-addr.arpaIN PTRa88-221-135-217deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request180.178.17.96.in-addr.arpaIN PTRResponse180.178.17.96.in-addr.arpaIN PTRa96-17-178-180deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2.173.189.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request2.173.189.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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72 B 158 B 1 1
DNS Request
241.150.49.20.in-addr.arpa
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72 B 137 B 1 1
DNS Request
194.178.17.96.in-addr.arpa
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55 B 128 B 1 1
DNS Request
2ndry.com
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73 B 144 B 1 1
DNS Request
95.221.229.192.in-addr.arpa
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55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
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70 B 144 B 1 1
DNS Request
58.55.71.13.in-addr.arpa
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55 B 128 B 1 1
DNS Request
2ndry.com
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72 B 158 B 1 1
DNS Request
183.59.114.20.in-addr.arpa
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72 B 158 B 1 1
DNS Request
56.126.166.20.in-addr.arpa
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55 B 128 B 1 1
DNS Request
2ndry.com
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73 B 139 B 1 1
DNS Request
217.135.221.88.in-addr.arpa
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55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
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72 B 137 B 1 1
DNS Request
180.178.17.96.in-addr.arpa
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55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
-
55 B 128 B 1 1
DNS Request
2ndry.com
-
55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
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110 B 256 B 2 2
DNS Request
2ndry.com
DNS Request
2ndry.com
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110 B 256 B 2 2
DNS Request
2ndry.com
DNS Request
2ndry.com
-
110 B 256 B 2 2
DNS Request
2ndry.com
DNS Request
2ndry.com
-
110 B 256 B 2 2
DNS Request
2ndry.com
DNS Request
2ndry.com
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110 B 256 B 2 2
DNS Request
2ndry.com
DNS Request
2ndry.com
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142 B 314 B 2 2
DNS Request
2.173.189.20.in-addr.arpa
DNS Request
2.173.189.20.in-addr.arpa
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110 B 256 B 2 2
DNS Request
2ndry.com
DNS Request
2ndry.com
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110 B 256 B 2 2
DNS Request
2ndry.com
DNS Request
2ndry.com
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
52KB
MD5ac7f02f7af6226a6b307c73282148f48
SHA12ee0aa08a969722cde190ec8509a3167759e03a2
SHA2560e792568ad13ae4228f00a9aa98e9b8c24d20fe51b459d47f4daf6f108a68488
SHA512cbb6f171710ae0acdf7181fbcf9bc8dac012f91507c5382342cc2fa0460b745400305cdc0ddabef86126961c10ba627ed9e49d78e421ab1cc503c255d7901043