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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15/10/2024, 04:41
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-15_93656544cd4041bc60dd46015baafcb3_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-15_93656544cd4041bc60dd46015baafcb3_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-15_93656544cd4041bc60dd46015baafcb3_cryptolocker.exe
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Size
47KB
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MD5
93656544cd4041bc60dd46015baafcb3
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SHA1
68a0dd0471784f48f038a37ba1f283f70608b5d1
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SHA256
f44076f69fccb24427181f90e40300974c53a1a219eaa9308df1bc457e8f7db5
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SHA512
254a386ed34c478f59a5306471ca4c752364554b5f429820ee2831b5c1e1a19c3c13d462eee765cfc662c0bf92a3a52f43340aebdfce76139520c6234c677fab
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SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9J3r5:X6QFElP6n+gJQMOtEvwDpjBmzDkWDrr5
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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation 2024-10-15_93656544cd4041bc60dd46015baafcb3_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 3132 asih.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-15_93656544cd4041bc60dd46015baafcb3_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2720 wrote to memory of 3132 2720 2024-10-15_93656544cd4041bc60dd46015baafcb3_cryptolocker.exe 84 PID 2720 wrote to memory of 3132 2720 2024-10-15_93656544cd4041bc60dd46015baafcb3_cryptolocker.exe 84 PID 2720 wrote to memory of 3132 2720 2024-10-15_93656544cd4041bc60dd46015baafcb3_cryptolocker.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-15_93656544cd4041bc60dd46015baafcb3_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-15_93656544cd4041bc60dd46015baafcb3_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3132
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
47KB
MD520f43c08e5c005415a28fc208da147b2
SHA11cfdb6199ac2b7304240b37ec94a5f2558d5f5cc
SHA25667dd797d5440fe8b11f940899880ec965dfeaeee74de2868e2150860d8fad1b9
SHA512bb038f4c4aad164aac2362f4f9899e7571253af24b9eb3830b009fe0d3f41fa0c66bb8fb735c6438621b3a774ae0d38ecb7f2a197e8921aa46a87482b4c21efa