Behavioral task
behavioral1
Sample
2024-05-25_a1c763a2fccef8eea64f2a00f0f516ba_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-25_a1c763a2fccef8eea64f2a00f0f516ba_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-25_a1c763a2fccef8eea64f2a00f0f516ba_cryptolocker
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Size
85KB
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MD5
a1c763a2fccef8eea64f2a00f0f516ba
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SHA1
715784154ab3aa6d830644541f0fce62ac2c1f4d
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SHA256
0463f81f520a3545f99ffd28ae22e5adce19a072bac43fe76d4e628adf9d9fb1
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SHA512
e61c56a505386098671829584f1e6f584c19a928aed19dfc634738f335644dc0a26df14da6e0cf69c610636616be81c776a641674ece95dba22838730709a51d
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1a:zCsanOtEvwDpjk
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 2024-05-25_a1c763a2fccef8eea64f2a00f0f516ba_cryptolocker
Files
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2024-05-25_a1c763a2fccef8eea64f2a00f0f516ba_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