Behavioral task
behavioral1
Sample
2024-02-25_85544260923370ea1ed7765b657f61c2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-25_85544260923370ea1ed7765b657f61c2_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-25_85544260923370ea1ed7765b657f61c2_cryptolocker
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Size
116KB
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MD5
85544260923370ea1ed7765b657f61c2
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SHA1
d4aae1d54c3a9be52e391c423bc0d3ec46cfd2f0
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SHA256
c64567cec277b7c45de47e411272691efcfa7e9f41f8a6c038149f4fbcce1e49
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SHA512
8149f0dafbbbc70b0a26b5ff482ee14844f5a3493645dc7b96e298dc4a4334d8d758e56c2db49c84aa77dbf1f8bc50976d1b1f1f94d59d6d3274074d5f692c18
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01h:z6a+CdOOtEvwDpjczD
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 2024-02-25_85544260923370ea1ed7765b657f61c2_cryptolocker
Files
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2024-02-25_85544260923370ea1ed7765b657f61c2_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_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