Static task
static1
Behavioral task
behavioral1
Sample
2024-05-29_ef2384d44b13e4aa963fd4a32be00c3a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-29_ef2384d44b13e4aa963fd4a32be00c3a_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-29_ef2384d44b13e4aa963fd4a32be00c3a_cryptolocker
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Size
49KB
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MD5
ef2384d44b13e4aa963fd4a32be00c3a
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SHA1
37384dbddb6ba61d5fad301bebdb66320099dc7c
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SHA256
8a2d029fda545c713d25afe402d6be68d6ee8a378a9f7ef28e3d870e0e7ca898
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SHA512
4da29d318f92c06185f9a35fe4b8a16f783868591cfc8036c44c2b93264c2583908ffc764822e056798c8314dbe2b1dc3d6e070358e864813b78f4c8bde95a08
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9Rva/yYsm06MP:xj+VGMOtEvwDpjy+viHs7pP
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 2024-05-29_ef2384d44b13e4aa963fd4a32be00c3a_cryptolocker
Files
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2024-05-29_ef2384d44b13e4aa963fd4a32be00c3a_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