Behavioral task
behavioral1
Sample
2024-03-28_21e6a5fc27e82cd9fb05a8d09903da95_cryptolocker.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
2024-03-28_21e6a5fc27e82cd9fb05a8d09903da95_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-28_21e6a5fc27e82cd9fb05a8d09903da95_cryptolocker
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Size
80KB
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MD5
21e6a5fc27e82cd9fb05a8d09903da95
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SHA1
d39a239ce5f5d2df2097eee7e9a0dd2db0592867
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SHA256
bb3b63921cb55c2581f65f16a2e122650ecdeee37e8849d4835ac9b9f41387ba
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SHA512
d3fd24a66c4b6827be879fca70ed509378720697aafe2c9dc89d1c6927c1d92f675f52bf3cca05fc367d865fa755f34870ec4e8241484bb2efc5f9b092630a2a
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kySed:zCsanOtEvwDpjS
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 2024-03-28_21e6a5fc27e82cd9fb05a8d09903da95_cryptolocker
Files
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2024-03-28_21e6a5fc27e82cd9fb05a8d09903da95_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