Behavioral task
behavioral1
Sample
2024-03-27_bec99f92946abaa9178867146c3e4c4c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-27_bec99f92946abaa9178867146c3e4c4c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-27_bec99f92946abaa9178867146c3e4c4c_cryptolocker
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Size
63KB
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MD5
bec99f92946abaa9178867146c3e4c4c
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SHA1
1b809c5247ffbd36a7fffc998d2292c2b50c4eaf
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SHA256
2ba28ccfad1e0f9ef7a07f6a52ead61672e199bd7675d8efdfc98249fe7c0b0c
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SHA512
e0fb4d131baf8b408394ef7bf7c60355e5d9c8ad8ebd8e6ce8758157c40e40b9153973e19b780ce19d3955807a20a2ddbdd90015252f45edb43021b4039ca83c
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVwpLA:zj+soPSMOtEvwDpj4kpmeLmneU
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 2024-03-27_bec99f92946abaa9178867146c3e4c4c_cryptolocker
Files
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2024-03-27_bec99f92946abaa9178867146c3e4c4c_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