Behavioral task
behavioral1
Sample
2024-02-03_efaf90759b1c085bbd3a7038e4c02107_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-03_efaf90759b1c085bbd3a7038e4c02107_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-03_efaf90759b1c085bbd3a7038e4c02107_cryptolocker
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Size
62KB
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MD5
efaf90759b1c085bbd3a7038e4c02107
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SHA1
fc97fae602cbbd1af67ca43c563ada2254e40e3a
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SHA256
7fd8c3bba179d1dc682b6f4e875cf075e95077ff598964719037c453cf1c7774
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SHA512
909c3c093a110235e160fc0bd29c8d6c76c57f64ce4f15b2e9c06b592773c159bb0ca7aae2c941a4288efee3c00c6b3471f46aa9c2ab616bcc8664e3d2da0db2
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYibAo7:1nK6a+qdOOtEvwDpjF
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 2024-02-03_efaf90759b1c085bbd3a7038e4c02107_cryptolocker
Files
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2024-02-03_efaf90759b1c085bbd3a7038e4c02107_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE