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Analysis
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max time kernel
140s -
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, 15:47
Behavioral task
behavioral1
Sample
8d61289443b211cd1cbb8453dfdae754_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
8d61289443b211cd1cbb8453dfdae754_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
8d61289443b211cd1cbb8453dfdae754_cryptolocker_JC.exe
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Size
60KB
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MD5
8d61289443b211cd1cbb8453dfdae754
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SHA1
51c78e498b42d66defa944ac76536e0832ecb07c
-
SHA256
a7001ea2c27070aad5cd64568af2dcab406ca22f31e9bfde916ceea53d40cd53
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SHA512
6b9ad2d24b99f239e591ba33bd02424f4cfaaeba2601302bf68ffeeed31b2f1fd815bfef26d258ea5e625cf91def474147e8d5d7b7092a5f6c189b4bec22e35e
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5aFr7YOzzOc:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAM
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2088 asih.exe -
resource yara_rule behavioral2/memory/3732-133-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x00060000000230b7-146.dat upx behavioral2/files/0x00060000000230b7-148.dat upx behavioral2/files/0x00060000000230b7-149.dat upx behavioral2/memory/3732-153-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2088-159-0x0000000000500000-0x0000000000510000-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 3732 wrote to memory of 2088 3732 8d61289443b211cd1cbb8453dfdae754_cryptolocker_JC.exe 82 PID 3732 wrote to memory of 2088 3732 8d61289443b211cd1cbb8453dfdae754_cryptolocker_JC.exe 82 PID 3732 wrote to memory of 2088 3732 8d61289443b211cd1cbb8453dfdae754_cryptolocker_JC.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\8d61289443b211cd1cbb8453dfdae754_cryptolocker_JC.exe"C:\Users\Admin\AppData\Local\Temp\8d61289443b211cd1cbb8453dfdae754_cryptolocker_JC.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3732 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2088
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
60KB
MD5286ba1138da4581b778f6a74be3b8512
SHA108bd7cfbfcc1c996a2353b55cef46d2ec4ad9816
SHA256240ed302e1b2d09caaec0518a5d0560a4d6e12e0e5f08cdf480338133c44e991
SHA512891bf4dde3b1c6f9958747442bb1f03b29ef4da916fede22931ddc30ab5d6976e130bbfcc75d91b9411be5b5c4e30df55dd46e6f6bcd98f7fecf0dc5758377de
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Filesize
60KB
MD5286ba1138da4581b778f6a74be3b8512
SHA108bd7cfbfcc1c996a2353b55cef46d2ec4ad9816
SHA256240ed302e1b2d09caaec0518a5d0560a4d6e12e0e5f08cdf480338133c44e991
SHA512891bf4dde3b1c6f9958747442bb1f03b29ef4da916fede22931ddc30ab5d6976e130bbfcc75d91b9411be5b5c4e30df55dd46e6f6bcd98f7fecf0dc5758377de
-
Filesize
60KB
MD5286ba1138da4581b778f6a74be3b8512
SHA108bd7cfbfcc1c996a2353b55cef46d2ec4ad9816
SHA256240ed302e1b2d09caaec0518a5d0560a4d6e12e0e5f08cdf480338133c44e991
SHA512891bf4dde3b1c6f9958747442bb1f03b29ef4da916fede22931ddc30ab5d6976e130bbfcc75d91b9411be5b5c4e30df55dd46e6f6bcd98f7fecf0dc5758377de