Behavioral task
behavioral1
Sample
2024-01-24_b766d8554ccf7682ed595840291152a1_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-24_b766d8554ccf7682ed595840291152a1_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-24_b766d8554ccf7682ed595840291152a1_cryptolocker
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Size
64KB
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MD5
b766d8554ccf7682ed595840291152a1
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SHA1
7af95448432bd3e58e87ff1e43c514db048dc298
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SHA256
6fda02c3872e3cc9e2d2b6f68f134a00df4dc5f678484b4f877afbb981a4e88e
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SHA512
2b68a1d869a4504a477197f50a058fa594670b7124f586529c0c59663900bd5c61a6a1e24f66054d453d32209b48764f5e80ba02fb4b24cacdd26d7c7d7191fc
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SSDEEP
384:z0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26JWFzjYkW0NrD5v6ntOOtEvwDpjqIGa:zQz7yVEhs9+8PJP6ntOOtEvwDpjF
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 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-01-24_b766d8554ccf7682ed595840291152a1_cryptolocker
Files
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2024-01-24_b766d8554ccf7682ed595840291152a1_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
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_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