Behavioral task
behavioral1
Sample
2024-05-28_b401d816bcaf6c490636cb621c05a6cd_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-28_b401d816bcaf6c490636cb621c05a6cd_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-28_b401d816bcaf6c490636cb621c05a6cd_cryptolocker
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Size
53KB
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MD5
b401d816bcaf6c490636cb621c05a6cd
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SHA1
4e518e81c588c25d6bc7931428a15257acb4f47a
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SHA256
a404487ca8050a061f28efdc7e8a61c61b4e6edbff222608e6c82e03f593571f
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SHA512
61c732c006336eed61405b41f5b5e40d296b4ba97ea1f104e15526411d1685fdb2ccf0b6213bc3aa2a90ba375af5897e302d6f9bc6be532841824861b2f88188
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOd:bODOw9acifAoc+v6
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 2024-05-28_b401d816bcaf6c490636cb621c05a6cd_cryptolocker
Files
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2024-05-28_b401d816bcaf6c490636cb621c05a6cd_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