Behavioral task
behavioral1
Sample
2024-05-21_f1ffa8250963bacaaf15953a6deb8cdc_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-21_f1ffa8250963bacaaf15953a6deb8cdc_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-21_f1ffa8250963bacaaf15953a6deb8cdc_cryptolocker
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Size
79KB
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MD5
f1ffa8250963bacaaf15953a6deb8cdc
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SHA1
c87721abbbdd86c8b558d14debbed1dee8846fcc
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SHA256
2a0fdb93330bb0a562e23bc77134d85911c715c50201af02c1d877e712640ecc
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SHA512
2781a444ab5ffc6f5d967a716340d7b58557c669f2f568de4263737f07427f2dd978f0eaafbe10d3ec7a01810aa7d729d9e126d5c1a10a29a3273772537af5cc
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxB1h:T6a+rdOOtEvwDpjNtHPW
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 2024-05-21_f1ffa8250963bacaaf15953a6deb8cdc_cryptolocker
Files
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2024-05-21_f1ffa8250963bacaaf15953a6deb8cdc_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