Behavioral task
behavioral1
Sample
2024-03-18_a2248b843f4ec6c872308346a35dc9ca_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-18_a2248b843f4ec6c872308346a35dc9ca_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-18_a2248b843f4ec6c872308346a35dc9ca_cryptolocker
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Size
55KB
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MD5
a2248b843f4ec6c872308346a35dc9ca
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SHA1
039123703c0ac9f0d3d2c729a5ff7a3def372967
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SHA256
722ec2ef044ddc75d2af5ba28724f3f85be79a096171ab8522497743eba185bf
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SHA512
8b67bcae68282d1df0007eaabf48c45438e9085825b716a0b3890d4e2c53a91891a7dfb6d4d358e7b5e858338e39b753647b974b4f63e712657f4485bd3d8180
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7pBlOmyb9L:zj+soPSMOtEvwDpj4ktBlCb9L
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 2024-03-18_a2248b843f4ec6c872308346a35dc9ca_cryptolocker
Files
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2024-03-18_a2248b843f4ec6c872308346a35dc9ca_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