Static task
static1
Behavioral task
behavioral1
Sample
2024-02-11_631a2fc01cbae6da6f7729feab79bd45_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-11_631a2fc01cbae6da6f7729feab79bd45_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-11_631a2fc01cbae6da6f7729feab79bd45_cryptolocker
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Size
40KB
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MD5
631a2fc01cbae6da6f7729feab79bd45
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SHA1
9b8712a67cfbe86d2c568c32bb24050ba232bac4
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SHA256
5656c62e0c44cd40c209d218ae7c5ddfe5f486c622103786ebdb84c774312d70
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SHA512
042fbe76bc59659ede9f9435d33be82fefac06fd7d8a9cfceb953f44408bde6901e024b75982c35925e91ecf4fb909f3d2da1a0e69c0bbd00175bc2df52e4aa2
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SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/Ctw:6j+1NMOtEvwDpjrR2w
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 2024-02-11_631a2fc01cbae6da6f7729feab79bd45_cryptolocker
Files
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2024-02-11_631a2fc01cbae6da6f7729feab79bd45_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: 11KB - Virtual size: 12KB
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