Analysis
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max time kernel
152s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
10-01-2024 05:49
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-09_0169cd3a7069390af706dd59dab25c0f_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-09_0169cd3a7069390af706dd59dab25c0f_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-09_0169cd3a7069390af706dd59dab25c0f_cryptolocker.exe
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Size
43KB
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MD5
0169cd3a7069390af706dd59dab25c0f
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SHA1
d35f25fbd724a346c9f52009128660d72faa5189
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SHA256
138af22dc669b2591597e700847c762751ae1afe354468f80b66841e72110e00
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SHA512
7abb801bc576d3e8e2e5536b417d04af2e6cb7124cc7ddbc1ee6b9089fa536d6f74849589bbd07543c34c25c9d554209bbda99c9d7bd4529fd723bcdce9fc062
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SSDEEP
768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6j4AYsqSh+DETkedm+YUDD:YGzl5wjRQBBOsP1QMOtEvwDpjl39+D+1
Malware Config
Signatures
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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-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation 2024-01-09_0169cd3a7069390af706dd59dab25c0f_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 4884 asih.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 4508 wrote to memory of 4884 4508 2024-01-09_0169cd3a7069390af706dd59dab25c0f_cryptolocker.exe 59 PID 4508 wrote to memory of 4884 4508 2024-01-09_0169cd3a7069390af706dd59dab25c0f_cryptolocker.exe 59 PID 4508 wrote to memory of 4884 4508 2024-01-09_0169cd3a7069390af706dd59dab25c0f_cryptolocker.exe 59
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-09_0169cd3a7069390af706dd59dab25c0f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-09_0169cd3a7069390af706dd59dab25c0f_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4508 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:4884
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
43KB
MD58d3d7ea9f668779c6f02779f6e295f97
SHA139731af2f85fcb153c92ac250d455753c1b42ea1
SHA25648325f1fd825f5d41d426be2ad0703a6edfe28acd685fd138ff2da7453ffedb8
SHA512ac307d74b45b713b4f882e7831b53286738729e5ac249b1467068e306aab89b9d57e6d986b3659122e03bd583fd6076dcf2f798e59f8e22fb40651bfaba57c2e
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Filesize
38KB
MD5c1ded840c52ff9eef5e205a6c211bae0
SHA1442676d7f9271946f51a21833235ad0525300b61
SHA25651d9175caba0f78f191f4998872cf23e873ccc452dfd70b8abb25bd1fc9dabf1
SHA5129c0be99f40b36fc389863776bf56a32ca5f84aaf76f20e44aa4dbe777b7135f828c1134174b3ba98c792a8c76d640450da87d11988f5c02eaf5b20709500e53e