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Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system -
submitted
25/02/2024, 05:01
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-25_9cf30125a29f02c6d3a578c31955304d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-25_9cf30125a29f02c6d3a578c31955304d_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-25_9cf30125a29f02c6d3a578c31955304d_cryptolocker.exe
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Size
39KB
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MD5
9cf30125a29f02c6d3a578c31955304d
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SHA1
0cc1a801a90c91725aecba6b5830072b5bdece9e
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SHA256
048ba25ab37fd36bd1d357504d6e5f32c1fc9f6f8ac318aaeafbd831752381fa
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SHA512
e9c94b7ce674532a05135f34b821e4ad44210a0f19a5493eb2abbd06fe73cb6eef6223409004e73dde6c19fb800be57b90d4f7d264e64d7611f2db30e89768a4
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SSDEEP
768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenQLL1:ZzFbxmLPWQMOtEvwDpjLeU5
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000400000001e5ae-13.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-1-5-21-1414748551-1520717498-2956787782-1000\Control Panel\International\Geo\Nation 2024-02-25_9cf30125a29f02c6d3a578c31955304d_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 456 misid.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 1972 wrote to memory of 456 1972 2024-02-25_9cf30125a29f02c6d3a578c31955304d_cryptolocker.exe 87 PID 1972 wrote to memory of 456 1972 2024-02-25_9cf30125a29f02c6d3a578c31955304d_cryptolocker.exe 87 PID 1972 wrote to memory of 456 1972 2024-02-25_9cf30125a29f02c6d3a578c31955304d_cryptolocker.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-25_9cf30125a29f02c6d3a578c31955304d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-25_9cf30125a29f02c6d3a578c31955304d_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:456
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
39KB
MD512975329fd584e0ed1d90701be15181f
SHA16acd83f6739b2824bed284fbd88ff8b3b6fcbca2
SHA256f0748e9d004bd9b6987e5a5fc705177b06eb0cd057394b717dc25584ddb11f0b
SHA51274930e018df46855a038ac39133bcff000c1cf956233dba7663756a3b40f8184e6b940ec908525d9cc8524717ffc13deef4e4e2fa3f5ea29eb081c860923faf5