Static task
static1
Behavioral task
behavioral1
Sample
2024-02-28_531ae1bc1e48e4d8dafcb6a778db58b0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_531ae1bc1e48e4d8dafcb6a778db58b0_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_531ae1bc1e48e4d8dafcb6a778db58b0_cryptolocker
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Size
40KB
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MD5
531ae1bc1e48e4d8dafcb6a778db58b0
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SHA1
38ff24563a8ff62b0cd29db25ba862c4dddcaf29
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SHA256
18cdf27e245abbc2cdc766ccaa836d78a78e2aed30a41a848ade938de6d58e7d
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SHA512
f5a1f5987d625405d72475c119713f508ccfe2b9352c56614ef2f030048d871d2f35a7ada47c488cb66187da034089f76af89b8cadb0982e31c17d8bd5b7d2cd
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SSDEEP
384:60VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26aIIcVRYpetOOtEvwDpjqIGRmdHzOOH:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/V
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 2024-02-28_531ae1bc1e48e4d8dafcb6a778db58b0_cryptolocker
Files
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2024-02-28_531ae1bc1e48e4d8dafcb6a778db58b0_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