Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
19/09/2024, 04:42
Behavioral task
behavioral1
Sample
2024-09-19_1897668f3d70f5ae0ff0cde9dc7180fe_cryptolocker.exe
Resource
win7-20240704-en
General
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Target
2024-09-19_1897668f3d70f5ae0ff0cde9dc7180fe_cryptolocker.exe
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Size
96KB
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MD5
1897668f3d70f5ae0ff0cde9dc7180fe
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SHA1
8346ebc0948d38a644b0b4f3882db08a893139a7
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SHA256
e184fe7c7217f497451685e42b19b8780d358f479c9b262741b96b2af58c8294
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SHA512
1f4e33fef316ffdeca10922cc76f0175a794267151d4caffc4b33ff2182cdddd0f159a1b5dd61b566d0d8f1d7ad9f0f50db1e1f36f1564e5833045c085726cea
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviPvr:AnBdOOtEvwDpj6z1r
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2460 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2112 2024-09-19_1897668f3d70f5ae0ff0cde9dc7180fe_cryptolocker.exe -
resource yara_rule behavioral1/memory/2112-0-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral1/files/0x000a000000012283-11.dat upx behavioral1/memory/2460-18-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral1/memory/2112-17-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral1/memory/2460-28-0x0000000000500000-0x000000000050F000-memory.dmp upx -
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 2024-09-19_1897668f3d70f5ae0ff0cde9dc7180fe_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 2112 wrote to memory of 2460 2112 2024-09-19_1897668f3d70f5ae0ff0cde9dc7180fe_cryptolocker.exe 30 PID 2112 wrote to memory of 2460 2112 2024-09-19_1897668f3d70f5ae0ff0cde9dc7180fe_cryptolocker.exe 30 PID 2112 wrote to memory of 2460 2112 2024-09-19_1897668f3d70f5ae0ff0cde9dc7180fe_cryptolocker.exe 30 PID 2112 wrote to memory of 2460 2112 2024-09-19_1897668f3d70f5ae0ff0cde9dc7180fe_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-19_1897668f3d70f5ae0ff0cde9dc7180fe_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-19_1897668f3d70f5ae0ff0cde9dc7180fe_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112 -
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:2460
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
96KB
MD514d935b3d4a1cc1df7d7b4ae2af4f7d4
SHA1a512e5b09a9f6cb4ad8818bc58281b23644614dc
SHA256dd1db0760172d9ba5ab5629bacb0620bd86c89843f0f144ff580358bee1b633b
SHA5129c6e0bb3ee48c426ae4b1d40bf92af025fcd6063d9479afacc33cda8dab51e73f845038c0a2e2c69bef3870546bc029cb74fdda0de82cae735ae4b39842d2ca9