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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
22/04/2024, 02:37
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe
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Size
34KB
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MD5
e6a334bbb0b491618ff6765f2991108d
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SHA1
138c2334b992f11eb47ab6335c512e5833dc6773
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SHA256
62fcf2c46f8fb6dfc304e530316396dda157ef8ee9443b59fff319589ff943df
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SHA512
626a799c6091e6032e568f24d863f9b6d5d81ef8aa1fc4e71fc60e6b69b400d72d3341edcc4771ee08d688dd03bfd910d544a8c6f080716d3de1002f064dc2fd
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SSDEEP
384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunIVpeNs23mAA6lxd:bA74zYcgT/Ekd0ryfjPIunqpeNswm6d
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000f000000012248-10.dat CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 2920 hasfj.exe -
Loads dropped DLL 1 IoCs
pid Process 2452 2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2452 wrote to memory of 2920 2452 2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe 28 PID 2452 wrote to memory of 2920 2452 2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe 28 PID 2452 wrote to memory of 2920 2452 2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe 28 PID 2452 wrote to memory of 2920 2452 2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2452 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
PID:2920
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
34KB
MD5c6e38721cdf5ca03bcbaca82d7f75cf1
SHA1e96e92766e3d6af5e160db7f435ff734ec37d89f
SHA256c719cfefa4452a2a7ea2e9fd87992ea4336800c5b87fd6ef9c08e2809a715f51
SHA512a036ad27c01871705be6459735375d3947636f10e4b3e5746207ea8f50f454cda4854e7f9d0a9871dcb4940cb6f34ece527904fd17011cd42bfa73500de83ffc