Analysis
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max time kernel
1s -
max time network
156s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
11/06/2024, 02:28
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-11_5197f2b53d09189e27b01f914539f07b_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-11_5197f2b53d09189e27b01f914539f07b_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-11_5197f2b53d09189e27b01f914539f07b_cryptolocker.exe
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Size
43KB
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MD5
5197f2b53d09189e27b01f914539f07b
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SHA1
b7629135bf81e2b50716f3809592990ce83a67d9
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SHA256
4fe4549b3947338a34c2f787e819a28c273c9d99aa1d3978a21b18c553387b34
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SHA512
ab9532d5ff18bb30753773c4770d36a79d79a71d8fedc194bf8b4d53b50e51ecaa84b903a6e31a9d7f8cfa8204cbcd3b51956cbd92477a7322ffb6eb7adbabb7
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SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/aDDRJ:6j+1NMOtEvwDpjrRsJ
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
resource yara_rule behavioral1/memory/1612-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x00090000000143d1-15.dat CryptoLocker_rule2 behavioral1/memory/1612-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2612-17-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/1612-13-0x0000000002700000-0x000000000270F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2612-27-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 6 IoCs
resource yara_rule behavioral1/memory/1612-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/files/0x00090000000143d1-15.dat CryptoLocker_set1 behavioral1/memory/1612-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2612-17-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/1612-13-0x0000000002700000-0x000000000270F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2612-27-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 6 IoCs
resource yara_rule behavioral1/memory/1612-0-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x00090000000143d1-15.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/1612-16-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2612-17-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/1612-13-0x0000000002700000-0x000000000270F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2612-27-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress -
Executes dropped EXE 1 IoCs
pid Process 2612 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1612 2024-06-11_5197f2b53d09189e27b01f914539f07b_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 1612 wrote to memory of 2612 1612 2024-06-11_5197f2b53d09189e27b01f914539f07b_cryptolocker.exe 28 PID 1612 wrote to memory of 2612 1612 2024-06-11_5197f2b53d09189e27b01f914539f07b_cryptolocker.exe 28 PID 1612 wrote to memory of 2612 1612 2024-06-11_5197f2b53d09189e27b01f914539f07b_cryptolocker.exe 28 PID 1612 wrote to memory of 2612 1612 2024-06-11_5197f2b53d09189e27b01f914539f07b_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-11_5197f2b53d09189e27b01f914539f07b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-11_5197f2b53d09189e27b01f914539f07b_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1612 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2612
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
43KB
MD55152e81cee8681927ae10aabe7d9f548
SHA19139b43f8e3fbd5bef3c634859c90956fa93a96d
SHA2567b88eaea8a8d2c8f7768f8dee074fafb2cf263ad519b936e053bec0d3d9552cd
SHA512322a6dab5836255ecbc93d3d4bb2366737fe0a1f6f7fb0d1764607aeea04884886b3e7c47fa3a7bd7959c465d119d66e9ec858322bba79e3110c533f7f4c80b4