Behavioral task
behavioral1
Sample
2024-04-17_736c5cec89956ec9901ec4922ab8387c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-17_736c5cec89956ec9901ec4922ab8387c_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-17_736c5cec89956ec9901ec4922ab8387c_cryptolocker
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Size
50KB
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MD5
736c5cec89956ec9901ec4922ab8387c
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SHA1
70f75893537d505b6beec78fd633d2186acd8e79
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SHA256
097f548154a9da627bbe0766bac12b9b7677323bed6e8b266785fcbdfb608bc6
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SHA512
f75be1eaf9de83ac966083f31dc2eacb92a7b3271aa06000f5805818e56c56d2cb6a63f5292b243b5b608373eb7061856a7470d294e658b1b07eb490230c4533
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtP:bODOw9acifAoc+vP
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 2024-04-17_736c5cec89956ec9901ec4922ab8387c_cryptolocker
Files
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2024-04-17_736c5cec89956ec9901ec4922ab8387c_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