Behavioral task
behavioral1
Sample
2024-05-31_9afc3bd7af72c151fb81c7af5a17424e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-31_9afc3bd7af72c151fb81c7af5a17424e_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-31_9afc3bd7af72c151fb81c7af5a17424e_cryptolocker
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Size
51KB
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MD5
9afc3bd7af72c151fb81c7af5a17424e
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SHA1
810c2f270e799e6e0dff0f007fcee2b95714cb79
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SHA256
bca8282e85bc76a596a50e06e08f39d831892250e94a121d22eb9f228dddec22
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SHA512
8a8c4d06ad91fbc4ed3039a30bf85c78b674b95f9c6b0c3ee40eda9df4d82a5d78e8e50ca1f0010f09a7d6df52e19ad617da381c4f6e38fb5f6a036a73cdcd99
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SSDEEP
768:buDOw9UiaoWUB2preAr+OfjRW00S16avdrQFiLjJvtXm:buDOw9aWifVgoc+vXm
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 2024-05-31_9afc3bd7af72c151fb81c7af5a17424e_cryptolocker
Files
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2024-05-31_9afc3bd7af72c151fb81c7af5a17424e_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_CODE
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