Behavioral task
behavioral1
Sample
2024-03-07_23bc13e744b44f8aa8458380cb5a048a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-07_23bc13e744b44f8aa8458380cb5a048a_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-07_23bc13e744b44f8aa8458380cb5a048a_cryptolocker
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Size
62KB
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MD5
23bc13e744b44f8aa8458380cb5a048a
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SHA1
5efed2d416b417aa301a2146590d9a5ef2bb4155
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SHA256
44a9caea6a61d27303c32481160b94c11bb1bd55c93d270fefe203a5337335da
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SHA512
7305c01c462312e5b4a9f55bfa683f754c71ebea50d316084453469973da14b39218f4d35051c5aaf2e2a8c3f7e15cb5c441e0bd87429a7d1a867c5695af92dc
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVuvN:zj+soPSMOtEvwDpj4kpmeLmncV
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 2024-03-07_23bc13e744b44f8aa8458380cb5a048a_cryptolocker
Files
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2024-03-07_23bc13e744b44f8aa8458380cb5a048a_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