Behavioral task
behavioral1
Sample
2024-05-23_23fd141c4076fbfb43cf5abb713edc5b_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-23_23fd141c4076fbfb43cf5abb713edc5b_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-23_23fd141c4076fbfb43cf5abb713edc5b_cryptolocker
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Size
56KB
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MD5
23fd141c4076fbfb43cf5abb713edc5b
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SHA1
7927049501a73ba0ef0f4ef466d0c0bc54e67f94
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SHA256
6428c1bb7783f8ee7436dacbf8dc1e75299e8b6c337bf4982fe18e8133bf2bdc
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SHA512
7dfc311d923567dd2e919f82fa45999611c1b9340d6b35d94687d7c61c4d9802b0a2c1fcb3c051c1a20a60f7fc2eea407791ad52dfa39ea685229f2c846bac71
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjNJq:bP9g/xtCS3Dxx0b
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-23_23fd141c4076fbfb43cf5abb713edc5b_cryptolocker
Files
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2024-05-23_23fd141c4076fbfb43cf5abb713edc5b_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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