Behavioral task
behavioral1
Sample
2024-05-22_fb645ccb9ec3f215e0f1f59a9d7be11c_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-22_fb645ccb9ec3f215e0f1f59a9d7be11c_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-22_fb645ccb9ec3f215e0f1f59a9d7be11c_cryptolocker
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Size
95KB
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MD5
fb645ccb9ec3f215e0f1f59a9d7be11c
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SHA1
307af7b5c885ff21405eceb3cf9dedd72ea58dd1
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SHA256
c71d1b307b3bdfa17f913f7b24d8948bd1826ae1ea33f58f987a0eac73363df0
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SHA512
bfd858dcc68efbff8123faf07d01a4433fa5dcf9f4b9f0e533154363b21629fa6716726e97e21ad6192a9489a62fdcf5732c2c5fa84c703c63bc194be896fe2a
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/k3:zCsanOtEvwDpjBc
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 2024-05-22_fb645ccb9ec3f215e0f1f59a9d7be11c_cryptolocker
Files
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2024-05-22_fb645ccb9ec3f215e0f1f59a9d7be11c_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