Behavioral task
behavioral1
Sample
2024-05-03_a99eb334e87e9f0acd22daa985c9b413_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-03_a99eb334e87e9f0acd22daa985c9b413_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-03_a99eb334e87e9f0acd22daa985c9b413_cryptolocker
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Size
51KB
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MD5
a99eb334e87e9f0acd22daa985c9b413
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SHA1
25befb6de4457416cbb6c18ab2b61565de03e731
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SHA256
d348150c25e0f501ee64489361a2d48e1a7b52e3b40b88486e3c36d6a0a4d22d
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SHA512
7aa019cd8c2d997ee426334c6ddd1117e3a0295a63c1b290c2b9c68a92f21640a6738f3b051c28c5bc4db541fb657039d51732bfd209d168fcc17a255ea9a051
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOVI:bODOw9acifAoc+vx
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 2024-05-03_a99eb334e87e9f0acd22daa985c9b413_cryptolocker
Files
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2024-05-03_a99eb334e87e9f0acd22daa985c9b413_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