Behavioral task
behavioral1
Sample
2024-03-06_3a8cb72af95574053c41e9bd54d5e860_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-06_3a8cb72af95574053c41e9bd54d5e860_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-06_3a8cb72af95574053c41e9bd54d5e860_cryptolocker
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Size
63KB
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MD5
3a8cb72af95574053c41e9bd54d5e860
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SHA1
a0f36c8a9c534368b3542975bc2f51fc321d2658
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SHA256
98f6dd5a655b0054ecb6dde3f49fc3f5169fb6bdba141cddb926b6ff1cc1680d
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SHA512
e5609320e7e9015d042e4184522b8a5cde2ad008756f827ea2c560ca277b2058b5889088a124d0bbc0b5666fd9e7b287746b9f984bd237a42fb796ed7711aeab
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k5gy:zj+soPSMOtEvwDpj4kpmeLmQP
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-06_3a8cb72af95574053c41e9bd54d5e860_cryptolocker
Files
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2024-03-06_3a8cb72af95574053c41e9bd54d5e860_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE