Behavioral task
behavioral1
Sample
2024-01-23_5b3ee009561f328b18eec67835bcbe77_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_5b3ee009561f328b18eec67835bcbe77_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-23_5b3ee009561f328b18eec67835bcbe77_cryptolocker
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Size
62KB
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MD5
5b3ee009561f328b18eec67835bcbe77
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SHA1
d366d3751ac06e9c50719d9aae8aca7b062053e5
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SHA256
372d4ee5d7774f96a0a03de4f49cad34ac115db658b50b0d1d664ff45b979419
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SHA512
1f8d2e81b6ac11437f41219c309602e9da9a8ec42459082d67c1112ee171565437480f4aa9561ebada50b4781bf0f1485ed30d1828214a440aa87a4deccf9b84
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SSDEEP
768:T6LsoEEeegiZPvEhHSG+gkum/kLyMro2GtOOtEvwDpjhXMLamkc8J5h6GS:T6QFElP6n+gxmddpMOtEvwDpjwa34d
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 2024-01-23_5b3ee009561f328b18eec67835bcbe77_cryptolocker
Files
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2024-01-23_5b3ee009561f328b18eec67835bcbe77_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