Static task
static1
Behavioral task
behavioral1
Sample
2024-04-27_ef956ac0955dc28cf68f5665eb09b950_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-27_ef956ac0955dc28cf68f5665eb09b950_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-27_ef956ac0955dc28cf68f5665eb09b950_cryptolocker
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Size
104KB
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MD5
ef956ac0955dc28cf68f5665eb09b950
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SHA1
ea8cac7047519e6737df80df23eb135d13384477
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SHA256
bfce397d871836228ba04fe61f1d71d8212c718761e600218faa7e39c4b5a342
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SHA512
36454ffd4c5422db49347801da51e129b98423cb0577cae067f8bdac22ece39e71ede9b582d882d774e5011d1b00f6147789433c657fa75a792121096dbca615
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SSDEEP
1536:xj+VGMOtEvwDpjubwQEIiVmkxv/r+Sc0P:xCVDOtEvwDpjz
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 2024-04-27_ef956ac0955dc28cf68f5665eb09b950_cryptolocker
Files
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2024-04-27_ef956ac0955dc28cf68f5665eb09b950_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