Analysis
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max time kernel
151s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
06/08/2023, 18:24
Static task
static1
Behavioral task
behavioral1
Sample
911e9bd74740b14a96cbbcbf13edf0c4_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
911e9bd74740b14a96cbbcbf13edf0c4_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
911e9bd74740b14a96cbbcbf13edf0c4_cryptolocker_JC.exe
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Size
45KB
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MD5
911e9bd74740b14a96cbbcbf13edf0c4
-
SHA1
a46e00d3df61aa722d1e4315b3692231b3f5e8a1
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SHA256
2ed99c5c6aaf96f866d65b1ac7231c460b37c8b29482d1d66d328e41b511ca8f
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SHA512
6b762ee54f75a1a7ed2c2ebecf2ce5faf038dbc0a9337291e50621a81cad76bab140c0bb8d7a9ab446e2d7c9087831b9fda88a3e3b7f8ca1dffa3730eac6cf5d
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SSDEEP
768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQ7suIlsw92KFXcTdD:V6QFElP6n+gMQMOtEvwDpjeJQ7pojad
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4616 asih.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 4720 wrote to memory of 4616 4720 911e9bd74740b14a96cbbcbf13edf0c4_cryptolocker_JC.exe 82 PID 4720 wrote to memory of 4616 4720 911e9bd74740b14a96cbbcbf13edf0c4_cryptolocker_JC.exe 82 PID 4720 wrote to memory of 4616 4720 911e9bd74740b14a96cbbcbf13edf0c4_cryptolocker_JC.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\911e9bd74740b14a96cbbcbf13edf0c4_cryptolocker_JC.exe"C:\Users\Admin\AppData\Local\Temp\911e9bd74740b14a96cbbcbf13edf0c4_cryptolocker_JC.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4720 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:4616
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
46KB
MD5f5d9a17c8f93838df9da0fa872b6701c
SHA159788b6f35fbec79bbe8562df26678d960fe5264
SHA256d720fb1aa5cb1e5db69572221c84f8abbd4fa323120ee60285d7bfbfa6d12d67
SHA512dede1a394d9cbbc91f2d9b964960138cd58f11a828c230f91d1d2e50cd2ab8e6e48ac5d975f0d8351e5bdec0db87494949af5942065b7b6961a3e1c18dbd6433
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Filesize
46KB
MD5f5d9a17c8f93838df9da0fa872b6701c
SHA159788b6f35fbec79bbe8562df26678d960fe5264
SHA256d720fb1aa5cb1e5db69572221c84f8abbd4fa323120ee60285d7bfbfa6d12d67
SHA512dede1a394d9cbbc91f2d9b964960138cd58f11a828c230f91d1d2e50cd2ab8e6e48ac5d975f0d8351e5bdec0db87494949af5942065b7b6961a3e1c18dbd6433
-
Filesize
46KB
MD5f5d9a17c8f93838df9da0fa872b6701c
SHA159788b6f35fbec79bbe8562df26678d960fe5264
SHA256d720fb1aa5cb1e5db69572221c84f8abbd4fa323120ee60285d7bfbfa6d12d67
SHA512dede1a394d9cbbc91f2d9b964960138cd58f11a828c230f91d1d2e50cd2ab8e6e48ac5d975f0d8351e5bdec0db87494949af5942065b7b6961a3e1c18dbd6433