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Analysis
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max time kernel
132s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
27/07/2024, 08:25
Static task
static1
Behavioral task
behavioral1
Sample
2024-07-27_18c99e0bc12302df7d958682891ad22a_cryptolocker.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-07-27_18c99e0bc12302df7d958682891ad22a_cryptolocker.exe
Resource
win10v2004-20240709-en
General
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Target
2024-07-27_18c99e0bc12302df7d958682891ad22a_cryptolocker.exe
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Size
55KB
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MD5
18c99e0bc12302df7d958682891ad22a
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SHA1
c8dbf398bcffb088981a2ded3838bade772a4049
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SHA256
f2eda6a687fce183d2f99ca621432999731a2aab475b9c538b413a3f1a2730a4
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SHA512
608c1cb46eecfd693b9f57db383164162e23c65461035c333227d2976b506d4a44c74407c114ea6075fddbda996e6ab42087fd11ad20ba9fc7c7f1d0539dcd4e
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SSDEEP
768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qn8pKIRszDr6KAtEZ:79mqyNhQMOtEvwDpjBxe8TpXRSDeKTZ
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1836 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 1712 2024-07-27_18c99e0bc12302df7d958682891ad22a_cryptolocker.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 2024-07-27_18c99e0bc12302df7d958682891ad22a_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1712 wrote to memory of 1836 1712 2024-07-27_18c99e0bc12302df7d958682891ad22a_cryptolocker.exe 30 PID 1712 wrote to memory of 1836 1712 2024-07-27_18c99e0bc12302df7d958682891ad22a_cryptolocker.exe 30 PID 1712 wrote to memory of 1836 1712 2024-07-27_18c99e0bc12302df7d958682891ad22a_cryptolocker.exe 30 PID 1712 wrote to memory of 1836 1712 2024-07-27_18c99e0bc12302df7d958682891ad22a_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-07-27_18c99e0bc12302df7d958682891ad22a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-27_18c99e0bc12302df7d958682891ad22a_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1712 -
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:1836
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
55KB
MD5d01a79164af5fcb6f5967abdebf55991
SHA1e518b6be584569175799d211d2e97d51d40b373f
SHA256224e9ab376e6260c62f7479076e818aaec69b2b060fc2e96e1232b44621da5ce
SHA5123e10cbd0a0d98704bffbe1eb514625826df9cfafab3568ab669c5f0ff04eb0d389b87465747e57e59761ae66d6ea0f8521c37ac5f5f627e529bedde439753aa2