Static task
static1
Behavioral task
behavioral1
Sample
2024-02-21_b3ca9ec166d978a9d09e8949fb51e8f4_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-21_b3ca9ec166d978a9d09e8949fb51e8f4_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-21_b3ca9ec166d978a9d09e8949fb51e8f4_cryptolocker
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Size
55KB
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MD5
b3ca9ec166d978a9d09e8949fb51e8f4
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SHA1
b094d0288d552537cefb52b50c94a236d9fa9a18
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SHA256
d9c786bc361a0a9f3bd63d5d6998a5c5a76e1546b6f7949d667e37730d891a24
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SHA512
a380a4f3e8a9758ce9633f2cbad63c42d2ced718e88191bf66a9aee56d255e1025a74a838360c85db96bf6963f42fb4fe7e32c4de88295ff3e29e7b962b4b870
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7GowfjD:xj+VGMOtEvwDpjubEgt
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 2024-02-21_b3ca9ec166d978a9d09e8949fb51e8f4_cryptolocker
Files
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2024-02-21_b3ca9ec166d978a9d09e8949fb51e8f4_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