Analysis
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max time kernel
138s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
08/08/2023, 17:49
Behavioral task
behavioral1
Sample
9eabe3f3fb7907dcdb9a809855c1d969_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
9eabe3f3fb7907dcdb9a809855c1d969_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
9eabe3f3fb7907dcdb9a809855c1d969_cryptolocker_JC.exe
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Size
84KB
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MD5
9eabe3f3fb7907dcdb9a809855c1d969
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SHA1
8d1e3a056440ca9d00084c7a12f6301836774139
-
SHA256
7e8156c2941c1942769d385b5697577216f19514802a8e5975d42cb8f9a89fd1
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SHA512
58435e3058b9fc21d8d7066cfd0f88a4fb051745d321af5de7075ca89982cb0008f3a3bdb909c65e719dd798da562bda1f3b8594205000494249ed3bf13abf76
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOTzciJjHGlxsLs:T6a+rdOOtEvwDpjNw3
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4912 asih.exe -
resource yara_rule behavioral2/memory/4308-133-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x00070000000230c0-146.dat upx behavioral2/files/0x00070000000230c0-148.dat upx behavioral2/files/0x00070000000230c0-149.dat upx behavioral2/memory/4308-153-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4912-159-0x0000000000500000-0x0000000000510000-memory.dmp upx -
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 4308 wrote to memory of 4912 4308 9eabe3f3fb7907dcdb9a809855c1d969_cryptolocker_JC.exe 80 PID 4308 wrote to memory of 4912 4308 9eabe3f3fb7907dcdb9a809855c1d969_cryptolocker_JC.exe 80 PID 4308 wrote to memory of 4912 4308 9eabe3f3fb7907dcdb9a809855c1d969_cryptolocker_JC.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\9eabe3f3fb7907dcdb9a809855c1d969_cryptolocker_JC.exe"C:\Users\Admin\AppData\Local\Temp\9eabe3f3fb7907dcdb9a809855c1d969_cryptolocker_JC.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4308 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:4912
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
85KB
MD54990053e71bdef9570540bab67c69c2b
SHA15be574c8aeaddc598425da87d150a077482ee59b
SHA25621b2be76ab9840ffa2f79a6733a3558ffe79d5bbb968b7dea33bd8635cafc777
SHA51218681adb30c701cc0eeb28dbb79912f9d2431010f7a74d041b01326e0a65324828d2aec75eecfdb246aac8a965c685d7e3645e00abb14954c2b70b55210df008
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Filesize
85KB
MD54990053e71bdef9570540bab67c69c2b
SHA15be574c8aeaddc598425da87d150a077482ee59b
SHA25621b2be76ab9840ffa2f79a6733a3558ffe79d5bbb968b7dea33bd8635cafc777
SHA51218681adb30c701cc0eeb28dbb79912f9d2431010f7a74d041b01326e0a65324828d2aec75eecfdb246aac8a965c685d7e3645e00abb14954c2b70b55210df008
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Filesize
85KB
MD54990053e71bdef9570540bab67c69c2b
SHA15be574c8aeaddc598425da87d150a077482ee59b
SHA25621b2be76ab9840ffa2f79a6733a3558ffe79d5bbb968b7dea33bd8635cafc777
SHA51218681adb30c701cc0eeb28dbb79912f9d2431010f7a74d041b01326e0a65324828d2aec75eecfdb246aac8a965c685d7e3645e00abb14954c2b70b55210df008