Behavioral task
behavioral1
Sample
2024-05-15_f11ee49efbfa7f3109491d24d17074e3_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-15_f11ee49efbfa7f3109491d24d17074e3_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-15_f11ee49efbfa7f3109491d24d17074e3_cryptolocker
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Size
52KB
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MD5
f11ee49efbfa7f3109491d24d17074e3
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SHA1
a81c15fe4402353aa40856f60be39060eed00de7
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SHA256
7586478ecd26a3fb2534c24d5a18e614e3684ccb226bb2a42c4ece5deeb2466b
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SHA512
ec8493057b992ff7eb3f78d91bc13d870a9b54d9e3d31cb068e8c5528af18d09a28ffc9d2b0869eb4baf1e275976331745226aab627691a497320e04b7c77af5
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOd:bODOw9acifAoc+vi
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-15_f11ee49efbfa7f3109491d24d17074e3_cryptolocker
Files
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2024-05-15_f11ee49efbfa7f3109491d24d17074e3_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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