Static task
static1
Behavioral task
behavioral1
Sample
2024-04-22_4b43ea5a6e2db49086e153c95fb12900_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-22_4b43ea5a6e2db49086e153c95fb12900_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-22_4b43ea5a6e2db49086e153c95fb12900_cryptolocker
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Size
61KB
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MD5
4b43ea5a6e2db49086e153c95fb12900
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SHA1
583d9002215be29bd034cfc2d48b32b1fab3ad25
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SHA256
228965a058344074344cc9b6d94a1268402f1866b3e96f955c45c93ee27ce8c5
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SHA512
58b30b8f12842e75efdf5c4a165c64c9d84557f78ab0cb384e451b3556c24aa3a30a3159e3093f89f3cc27bc499340fe488e854e2a705cb3dd6bfdc1417751d1
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7GoFwDFOX6:xj+VGMOtEvwDpjubEgywL
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 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-22_4b43ea5a6e2db49086e153c95fb12900_cryptolocker
Files
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2024-04-22_4b43ea5a6e2db49086e153c95fb12900_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
.MPRESS1 Size: 17KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
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