Behavioral task
behavioral1
Sample
2024-03-12_fd4b47312beb79ad78fe75d8ccd589fe_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-12_fd4b47312beb79ad78fe75d8ccd589fe_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-12_fd4b47312beb79ad78fe75d8ccd589fe_cryptolocker
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Size
56KB
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MD5
fd4b47312beb79ad78fe75d8ccd589fe
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SHA1
ab6fd80780032d01e4d823ac581ebcefb0a20809
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SHA256
b843bb066756b44aaa7b6d79587604f7095a54a2afcdf113e3d341aecd88ac80
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SHA512
fc8b8baf901a440b4374d2dcf712a4e5325599cc820cc9857d46a10cb4a3b2d8b7e89ff3e9a30cd3073ad353a73e627b7c876f7fa0b3ce0daf0e494d8027c599
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax8iHn:z6QFElP6n+gKmddpMOtEvwDpj9aYa9n
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 2024-03-12_fd4b47312beb79ad78fe75d8ccd589fe_cryptolocker
Files
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2024-03-12_fd4b47312beb79ad78fe75d8ccd589fe_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