Behavioral task
behavioral1
Sample
2024-02-24_400ef00308cd4c15f00a1b22c54fac18_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-24_400ef00308cd4c15f00a1b22c54fac18_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-24_400ef00308cd4c15f00a1b22c54fac18_cryptolocker
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Size
81KB
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MD5
400ef00308cd4c15f00a1b22c54fac18
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SHA1
328f394e86cf47c93d019eb1487e6d464b4dcdd0
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SHA256
f9d31268804d8209515656e6ab145b4dfadb9eb893b618b81e093294e205a781
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SHA512
7b8e39c6844e92d70c1117ff5a51535b7b8e59405528c1e83f310bab2d875f260f8b4aa91c6ff881babb37ef68a8c3e6481fc97a2286d11278fc8eb3708d8cc3
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdWZ4:T6a+rdOOtEvwDpjNt1
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 2024-02-24_400ef00308cd4c15f00a1b22c54fac18_cryptolocker
Files
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2024-02-24_400ef00308cd4c15f00a1b22c54fac18_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