Behavioral task
behavioral1
Sample
2024-05-29_871ac0f7806483a64ce6f52a306bb1c3_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-29_871ac0f7806483a64ce6f52a306bb1c3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-29_871ac0f7806483a64ce6f52a306bb1c3_cryptolocker
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Size
53KB
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MD5
871ac0f7806483a64ce6f52a306bb1c3
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SHA1
ee143562ed70733d4f59c2d4c095193b3083e16b
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SHA256
8da4e5ea372a4adabc9daccba90548265f94a8c08cf4b1876e34c65c13c09cf0
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SHA512
874f97d15446bab63699ae29bb3607768d2915c9456e0a82df5a4861292edc200d624ada10998c94b5a6780f62aaf2b2be9d1ac77389b5f6bc4aca7e64e2e75d
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOX9:bODOw9acifAoc+vC
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 2024-05-29_871ac0f7806483a64ce6f52a306bb1c3_cryptolocker
Files
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2024-05-29_871ac0f7806483a64ce6f52a306bb1c3_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