Behavioral task
behavioral1
Sample
2024-03-27_a857dc81cbe8f016a8739f22ce657a38_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-27_a857dc81cbe8f016a8739f22ce657a38_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-27_a857dc81cbe8f016a8739f22ce657a38_cryptolocker
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Size
117KB
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MD5
a857dc81cbe8f016a8739f22ce657a38
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SHA1
eda3c204b5d237e225b2d8cc4710df9cfee9355a
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SHA256
d6681aea7ff31f1d2e1aebdfcf9009e1d3ddf0e39a4e6ace65fe49476a4901d2
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SHA512
7a2596db8a6436fb73513d1d09d4ae18f476a91fcec4660ab4ebcdd1d44a1eaf0420188846a7e6363f11df44fa7e3629c2640a571dfb2defe178a31b7ab096c4
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjCGYQbN/PKwNLX9K:T6a+rdOOtEvwDpjLze
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-03-27_a857dc81cbe8f016a8739f22ce657a38_cryptolocker
Files
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2024-03-27_a857dc81cbe8f016a8739f22ce657a38_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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