Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
15-06-2024 03:34
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-15_89c54838ca23310b0b0424ca0f733562_cryptolocker.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
2024-06-15_89c54838ca23310b0b0424ca0f733562_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-15_89c54838ca23310b0b0424ca0f733562_cryptolocker.exe
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Size
48KB
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MD5
89c54838ca23310b0b0424ca0f733562
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SHA1
822f8cb984eabcca795e4974660985ab9f9e4666
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SHA256
84842cc362c6e24a8b57f9ce803cd0bba87a5b56c821e4cb33d7506f8a16c636
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SHA512
7e5458833e563b55074106f3724b4aadedc0106aa35a2934a2da63cd613ff4311a2515ed2cb7899a2bc7681c7dfb7789180392b25569b712f5617858772928f4
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SSDEEP
768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/Dpkz:P6Q0ElP6G+gJQMOtEvwDpjB8WMlo
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
resource yara_rule behavioral1/memory/2384-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000500000000b309-11.dat CryptoLocker_rule2 behavioral1/memory/2384-13-0x0000000002260000-0x000000000226B000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2412-17-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2384-16-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2412-27-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 6 IoCs
resource yara_rule behavioral1/memory/2384-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000500000000b309-11.dat CryptoLocker_set1 behavioral1/memory/2384-13-0x0000000002260000-0x000000000226B000-memory.dmp CryptoLocker_set1 behavioral1/memory/2412-17-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/memory/2384-16-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/memory/2412-27-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2412 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2384 2024-06-15_89c54838ca23310b0b0424ca0f733562_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 2384 wrote to memory of 2412 2384 2024-06-15_89c54838ca23310b0b0424ca0f733562_cryptolocker.exe 28 PID 2384 wrote to memory of 2412 2384 2024-06-15_89c54838ca23310b0b0424ca0f733562_cryptolocker.exe 28 PID 2384 wrote to memory of 2412 2384 2024-06-15_89c54838ca23310b0b0424ca0f733562_cryptolocker.exe 28 PID 2384 wrote to memory of 2412 2384 2024-06-15_89c54838ca23310b0b0424ca0f733562_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-15_89c54838ca23310b0b0424ca0f733562_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-15_89c54838ca23310b0b0424ca0f733562_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2384 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2412
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
48KB
MD5e587140f09e7798cc8749952dacc4531
SHA127ee50ccbe2a6bcc332ad88b15f074978c9e79ff
SHA2568ff7d69746d6757eec19e35d2bf15e66354fcfd97c41ec9d584c82c4e7522be0
SHA512fae9cd2bec3e2bc695b26acb9207ab470d1de4ea93428be99d875f3a01c795d183f89f7d9a0a63b4e84c1d5d7efdfc8441e5a2fc8a1609f45ebe08e8154a293e