Behavioral task
behavioral1
Sample
2024-01-29_6581d80375c2e2378400011be2237ba4_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-29_6581d80375c2e2378400011be2237ba4_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-29_6581d80375c2e2378400011be2237ba4_cryptolocker
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Size
55KB
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MD5
6581d80375c2e2378400011be2237ba4
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SHA1
22f4e7321a335aea9bef6c7fb43e05b9add46839
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SHA256
3dee4a89f4b628bfff30e9abd8081e315bd85a772b5c65857f4c28c14e40380c
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SHA512
61b187dfcf1ead7dd93268a8d4c28bee2a398accd80d3eea48c36bd349e93c6cb7125bcb765c45e142cd025bd771bea3eab6a1298cc90da21ec9aee29c474c21
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axc9n:z6QFElP6n+gKmddpMOtEvwDpj9aYaw
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 2024-01-29_6581d80375c2e2378400011be2237ba4_cryptolocker
Files
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2024-01-29_6581d80375c2e2378400011be2237ba4_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