Behavioral task
behavioral1
Sample
2024-05-30_31a4f372023e92912ed07823c4091de8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-30_31a4f372023e92912ed07823c4091de8_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-30_31a4f372023e92912ed07823c4091de8_cryptolocker
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Size
53KB
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MD5
31a4f372023e92912ed07823c4091de8
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SHA1
9b3ea94fcc78e4350da8311317f6c01c5ef6efc8
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SHA256
65f87e28171fa64cd74a295fbfe5b536b1ae6c8710c54b32b7abb0f9e33e0767
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SHA512
bdcd8665228ccdae2e065d063a88a38def54609def1e3695a168fa25abdfcb9e890c1d732956d34fc7a49a6fd4330a1bb00c2b5ceefdd7593d2588add0e2af56
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOXB:bODOw9acifAoc+ve
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 2024-05-30_31a4f372023e92912ed07823c4091de8_cryptolocker
Files
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2024-05-30_31a4f372023e92912ed07823c4091de8_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