Behavioral task
behavioral1
Sample
2024-05-31_5ca695c6c1393083978aba91e976bf79_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-31_5ca695c6c1393083978aba91e976bf79_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-31_5ca695c6c1393083978aba91e976bf79_cryptolocker
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Size
52KB
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MD5
5ca695c6c1393083978aba91e976bf79
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SHA1
27dc26a33cc3b0f2889eecd5bd2b63d36ceb2864
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SHA256
888f7564a71d73f507b5e193d4e3869085442c4a0e4bc9358dae9de18f5f3d54
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SHA512
17ceae2067099b4d1a56a77fbecf12f4e59478a083ee15554ffc9eb022e417c5878c77a43e548a7193be8e1aa57b52e2ff1900d6bc681b29ff582bf083ba3923
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtXiY:bODOw9acifAoc+vXiY
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 2024-05-31_5ca695c6c1393083978aba91e976bf79_cryptolocker
Files
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2024-05-31_5ca695c6c1393083978aba91e976bf79_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