Behavioral task
behavioral1
Sample
2024-05-02_891e3a3c3cc9cd034e07019d2cee08ed_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-02_891e3a3c3cc9cd034e07019d2cee08ed_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-02_891e3a3c3cc9cd034e07019d2cee08ed_cryptolocker
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Size
51KB
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MD5
891e3a3c3cc9cd034e07019d2cee08ed
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SHA1
b090058f5e1201b645174fc806b6352b7bfbcd5f
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SHA256
374e04e58942c3ab5b1dd5b628d85a223997e43c6768dd17a94088e742c87b32
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SHA512
52e5d4b5b3e1bb0686031d39e9b468ed0298fecc439a32bd5eff0f4b1cd953a95c0fa8dc81c7cf63cb547cffa0903d1fb9987a399893fb0b33ddccdbd63499f4
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOC:bODOw9acifAoc+vd
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 2024-05-02_891e3a3c3cc9cd034e07019d2cee08ed_cryptolocker
Files
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2024-05-02_891e3a3c3cc9cd034e07019d2cee08ed_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