Behavioral task
behavioral1
Sample
2024-02-14_fa25f00deb918cd7d0410596def72dc0_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-14_fa25f00deb918cd7d0410596def72dc0_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-14_fa25f00deb918cd7d0410596def72dc0_cryptolocker
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Size
80KB
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MD5
fa25f00deb918cd7d0410596def72dc0
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SHA1
ac656bbc1e5c707a8fc90624aa724d472213d0ed
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SHA256
6f9fbe64fce6a4daea4cb92c0ffe46b246ae819ddee60cb3c5234e847aaf27fc
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SHA512
f887bb1a6e45fe4f0f2863b9e04478c563d651dc45ef95455e889abe70e4c515f9453c3e9b14147add85b6a5fa5f4f2d0fc135cd43e910094ca9d83be0ca0b2a
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS15E:zCsanOtEvwDpjQ
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 2024-02-14_fa25f00deb918cd7d0410596def72dc0_cryptolocker
Files
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2024-02-14_fa25f00deb918cd7d0410596def72dc0_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