Static task
static1
Behavioral task
behavioral1
Sample
2024-02-24_31fcf8da48cb7313ce32b3423b5c28b3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-24_31fcf8da48cb7313ce32b3423b5c28b3_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-24_31fcf8da48cb7313ce32b3423b5c28b3_cryptolocker
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Size
96KB
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MD5
31fcf8da48cb7313ce32b3423b5c28b3
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SHA1
5b4431a64df54d28675ec82c035b6f103d5e19fe
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SHA256
c4d1685ae426c9dab6e99bc9578ad9d7331b8adb8c09eaa9a58897f859105b9c
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SHA512
0583bf7fff2415a5dbc1fe09a4c5b3fb6fbde52c608cbe905a292649f5b42f0c59532397c2c2dc728ca09712eec369ed98c405b003fb3e9c0beb2192c94f36cd
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJvfT3Xfz:xj+VGMOtEvwDpjubwQEIiVmkfXfz
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 2024-02-24_31fcf8da48cb7313ce32b3423b5c28b3_cryptolocker
Files
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2024-02-24_31fcf8da48cb7313ce32b3423b5c28b3_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