Behavioral task
behavioral1
Sample
2024-04-22_3f1e0cd08fb191e1af51eea9fc0cd305_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-22_3f1e0cd08fb191e1af51eea9fc0cd305_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-22_3f1e0cd08fb191e1af51eea9fc0cd305_cryptolocker
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Size
106KB
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MD5
3f1e0cd08fb191e1af51eea9fc0cd305
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SHA1
5c2cf9a8351f404f0f08e99a55aa217e16735be7
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SHA256
435e24c9fdb66ef30bc31a0f9b6a98a96f2a8fa729ff7125cdf101752c859460
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SHA512
c5308e3293a2ed3c161da549363912f1ae7be6601b332f1eea1bdae9bbeae6ed0b1ce5ad23361d1e425e8ad3553ab3515f2c7ffd4c2899d3f6e8867b1ac6eb53
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksdEK:1nK6a+qdOOtEvwDpjV
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 2024-04-22_3f1e0cd08fb191e1af51eea9fc0cd305_cryptolocker
Files
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2024-04-22_3f1e0cd08fb191e1af51eea9fc0cd305_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