Behavioral task
behavioral1
Sample
2024-03-25_f935d22e4e7af53f0a87f79ab7c4dc41_cryptolocker.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
2024-03-25_f935d22e4e7af53f0a87f79ab7c4dc41_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-25_f935d22e4e7af53f0a87f79ab7c4dc41_cryptolocker
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Size
117KB
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MD5
f935d22e4e7af53f0a87f79ab7c4dc41
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SHA1
6431a2dfa9d53385827e646ddd2ce24863d07752
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SHA256
e4fada3b1e00361c4161679e016fbf3fbae5284e12492a08edb06e6950140255
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SHA512
17124f87d12e49821b574e7777aa72e44945193f1e30b0f28f9376dd6d4be8596721431e577ca724293153a3194a1a860cdb914dcf90ce406af3a290bb54ca2f
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjCGYQbN/PKwNLX9S:T6a+rdOOtEvwDpjLzG
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 2024-03-25_f935d22e4e7af53f0a87f79ab7c4dc41_cryptolocker
Files
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2024-03-25_f935d22e4e7af53f0a87f79ab7c4dc41_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