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Analysis
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max time kernel
142s -
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
24/01/2024, 13:30
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-24_c296c29fb7c63f1b9c13ade1aa6087fe_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-24_c296c29fb7c63f1b9c13ade1aa6087fe_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-24_c296c29fb7c63f1b9c13ade1aa6087fe_cryptolocker.exe
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Size
32KB
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MD5
c296c29fb7c63f1b9c13ade1aa6087fe
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SHA1
ce6132dd4b5bcf91a1f36d046e50732e9e4eb741
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SHA256
4ff44ccfddc7c9d2fb8cfc52becd3cf1377f859ebb9fd868dcafffdfd2e0dc1e
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SHA512
c35cc4e72e1a63fbeb7a45635cfad3a912d41e5ddbd018ff28126181bc35b00931dd204d6193c9679d20d5ad9eb43ecbad2de0e3bf62a83a03387a40bb858f2f
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SSDEEP
384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6ckJp0qAMub5X:bAvJCYOOvbRPDEgXRc+BA/b5
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000700000002323b-12.dat CryptoLocker_rule2 -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation 2024-01-24_c296c29fb7c63f1b9c13ade1aa6087fe_cryptolocker.exe Key value queried \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation demka.exe -
Executes dropped EXE 1 IoCs
pid Process 3064 demka.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 972 wrote to memory of 3064 972 2024-01-24_c296c29fb7c63f1b9c13ade1aa6087fe_cryptolocker.exe 87 PID 972 wrote to memory of 3064 972 2024-01-24_c296c29fb7c63f1b9c13ade1aa6087fe_cryptolocker.exe 87 PID 972 wrote to memory of 3064 972 2024-01-24_c296c29fb7c63f1b9c13ade1aa6087fe_cryptolocker.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-24_c296c29fb7c63f1b9c13ade1aa6087fe_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-24_c296c29fb7c63f1b9c13ade1aa6087fe_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:972 -
C:\Users\Admin\AppData\Local\Temp\demka.exe"C:\Users\Admin\AppData\Local\Temp\demka.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
PID:3064
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
32KB
MD5b3f64ccfeebb9f275e5929e84f3fa580
SHA1110f787426ea1b78124bd1c69eebd54972a8ed1e
SHA2561a1d7c661faf0fd0716c2bc4b90129a24cb4ad9019a366146152b34a66bbfe6f
SHA5122c936e30de42b091a96d84ed0db27486d9f5ee216d0c2576e86348424af2ce8ef01a4a195d5252d5f9fe30361b92bbc6d718d52dcbcce1ed903607062eb40423