Behavioral task
behavioral1
Sample
2024-06-11_9ef6df9c88c67189c6ecb08361dba9fd_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-06-11_9ef6df9c88c67189c6ecb08361dba9fd_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-11_9ef6df9c88c67189c6ecb08361dba9fd_cryptolocker
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Size
53KB
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MD5
9ef6df9c88c67189c6ecb08361dba9fd
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SHA1
b51f4cec21532299344688a99cae8ee14633e678
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SHA256
1475a176dc68c0f876b67632610022aef296c2385ae3356b6533f444d5f8bfa5
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SHA512
36ab4d12ff17ac10177158f95dac4539d2bbe40f0351f9463bb432a428378ecde59455e933fd5d2bf6ad8a1c12c0669665d07635096eb4da9d89c48b71d42546
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOXM:bODOw9acifAoc+v/
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 2024-06-11_9ef6df9c88c67189c6ecb08361dba9fd_cryptolocker
Files
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2024-06-11_9ef6df9c88c67189c6ecb08361dba9fd_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