Behavioral task
behavioral1
Sample
2024-04-08_927209c8484d90ab85af3c89f9fbb9c3_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-08_927209c8484d90ab85af3c89f9fbb9c3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-08_927209c8484d90ab85af3c89f9fbb9c3_cryptolocker
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Size
59KB
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MD5
927209c8484d90ab85af3c89f9fbb9c3
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SHA1
c407cadbee19b806cc02dd04d775f7a49a5907c8
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SHA256
566a95d965dd9697b0dec850fa78e4bfb68e0975709f14e9e49ecdcff03cd276
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SHA512
38e43d329692755b6199bcd1b927314ecda13add0720b6aa400758fbd366110f1e50f16cfeccc1cac19927d48d8742eca159170656119166f5a0dc0d4836c80c
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appOtJ:z6QFElP6n+gKmddpMOtEvwDpj9aYao
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 2024-04-08_927209c8484d90ab85af3c89f9fbb9c3_cryptolocker
Files
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2024-04-08_927209c8484d90ab85af3c89f9fbb9c3_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_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