Behavioral task
behavioral1
Sample
2024-02-21_b9e020c7f43acaa2790c858b60e4d30f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-21_b9e020c7f43acaa2790c858b60e4d30f_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-21_b9e020c7f43acaa2790c858b60e4d30f_cryptolocker
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Size
65KB
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MD5
b9e020c7f43acaa2790c858b60e4d30f
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SHA1
9231e2c5168125516e252e5cacfd0ae6417eb2a9
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SHA256
6c70c8d6e56b8af8674f8139ba709c23ac91f8470c0d8d6d05e1f67b9fdf01d7
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SHA512
37e558f878c7581a119cd42c194ef0e0080e00284909990affe14dfa58218f7c71923d397c3fb10ec5a57991a6a30e50c9cfd1544c4b545bbbcca686dc8436a0
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY6UAXU:1nK6a+qdOOtEvwDpjU
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 2024-02-21_b9e020c7f43acaa2790c858b60e4d30f_cryptolocker
Files
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2024-02-21_b9e020c7f43acaa2790c858b60e4d30f_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