Behavioral task
behavioral1
Sample
2024-05-16_4479a7ccc3abb329c4d40dc16e1d2242_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-16_4479a7ccc3abb329c4d40dc16e1d2242_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-16_4479a7ccc3abb329c4d40dc16e1d2242_cryptolocker
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Size
57KB
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MD5
4479a7ccc3abb329c4d40dc16e1d2242
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SHA1
40bef9addf679c174818b4f446b64893a05cd0a8
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SHA256
cf5523d91afb819d90c4ca3bfe6a536598a7d031b816db74a3a817aef3021585
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SHA512
e214e3d5ff049b9cbf045f2121c023528381b0b9bbb908afd2b0975e8804b06fa6d0d880f772285a994f1767c1f5bb78984fa6a5d588624af4e2969bb83566fd
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlbQ9mEt:bP9g/xtCS3Dxx0AQUy
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-16_4479a7ccc3abb329c4d40dc16e1d2242_cryptolocker
Files
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2024-05-16_4479a7ccc3abb329c4d40dc16e1d2242_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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