Behavioral task
behavioral1
Sample
2024-03-13_b1654bdf0a30a499f70a8105b9e26ff4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-13_b1654bdf0a30a499f70a8105b9e26ff4_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-13_b1654bdf0a30a499f70a8105b9e26ff4_cryptolocker
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Size
71KB
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MD5
b1654bdf0a30a499f70a8105b9e26ff4
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SHA1
7605f4a5758c4385d2e67b28455b769996a9ce6e
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SHA256
f073d3af6616b9696c0c1d604c602cd5df67594124444fa48b6f9a486baaea8a
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SHA512
e99174486405bdbd06c44fd833ed90d86e076d8c565ca73a89d8097387ff290042b8435876c820c084989b412b062dfcb997f0d70a98bd410277c3f987feb458
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBW:z6a+CdOOtEvwDpjQI
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 2024-03-13_b1654bdf0a30a499f70a8105b9e26ff4_cryptolocker
Files
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2024-03-13_b1654bdf0a30a499f70a8105b9e26ff4_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