Behavioral task
behavioral1
Sample
2024-05-04_c459b65fadf88c0bbbe2967e03c9c7d2_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-04_c459b65fadf88c0bbbe2967e03c9c7d2_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-04_c459b65fadf88c0bbbe2967e03c9c7d2_cryptolocker
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Size
56KB
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MD5
c459b65fadf88c0bbbe2967e03c9c7d2
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SHA1
407631983eb44a88a2aacdbc971409b88105105e
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SHA256
d939aff9bd02888cfb567ad6c216c5831c0e443cc4a9bfeec8d7fb09eecd6f1c
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SHA512
634844475270914cc55780cbe76ebdbd07f906b421bb9b39beea6bec6b9964efc30878dd3e06e8d68d140ee54ca8cf9aebc5b09642c3728ccd8b4096ea0afa3b
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlgzI:bP9g/xtCS3Dxx0nI
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-04_c459b65fadf88c0bbbe2967e03c9c7d2_cryptolocker
Files
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2024-05-04_c459b65fadf88c0bbbe2967e03c9c7d2_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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