Behavioral task
behavioral1
Sample
2024-04-16_1b8318c5f4ea1a6d7693c1929c5f540f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-16_1b8318c5f4ea1a6d7693c1929c5f540f_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-16_1b8318c5f4ea1a6d7693c1929c5f540f_cryptolocker
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Size
88KB
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MD5
1b8318c5f4ea1a6d7693c1929c5f540f
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SHA1
55a34b239a949067992fc0e77013e777d3072543
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SHA256
ae8bb9608c8f16557a6d923ee0fe7ded1ba05123427ee3c30f95318a848e160f
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SHA512
efa4b84b7b96bbebbd6736bcd93718d47c50065a43f1cc9142475d0e06090b913cab5f525214b8ee382aa10b6fc47e197dd6d003bece8b6f46735c3c0ab79991
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAi:n6a+1SEOtEvwDpjYYvQd2Pi
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 2024-04-16_1b8318c5f4ea1a6d7693c1929c5f540f_cryptolocker
Files
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2024-04-16_1b8318c5f4ea1a6d7693c1929c5f540f_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: 11KB - 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