Static task
static1
Behavioral task
behavioral1
Sample
2024-06-04_a8c3a52040419f86565ebbbd0bdd9721_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-04_a8c3a52040419f86565ebbbd0bdd9721_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-04_a8c3a52040419f86565ebbbd0bdd9721_cryptolocker
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Size
49KB
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MD5
a8c3a52040419f86565ebbbd0bdd9721
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SHA1
d2d21e4e53346de343c37ffc665627740e73f6a0
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SHA256
bc13a6f13e062ea98b435f389fdd77115a4c6579a3363ca9e8d5ed854c9f38eb
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SHA512
9be125ccdccc43cc486ebef245e0bcba35064c34fbdd8b801830488d642c7d35d849625dcd4dbd916ee121306dcb41efb6381146c479947d38c2a0e678262cd7
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9RzhwaRhAE/:xj+VGMOtEvwDpjy+TRhx/
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 2024-06-04_a8c3a52040419f86565ebbbd0bdd9721_cryptolocker
Files
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2024-06-04_a8c3a52040419f86565ebbbd0bdd9721_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