Behavioral task
behavioral1
Sample
2024-04-23_ac098d03a3b0f08215270631fba1bd18_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-23_ac098d03a3b0f08215270631fba1bd18_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-23_ac098d03a3b0f08215270631fba1bd18_cryptolocker
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Size
76KB
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MD5
ac098d03a3b0f08215270631fba1bd18
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SHA1
8479eefe315c755c0cf642a30cdb88e831d1ee08
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SHA256
3eeb45eef124233f91a01b0fc7519c765e544a43489d45cf8a79831be8928a91
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SHA512
dd3f6a633a5bde353cf152bbf023658e0615ea67514f99f467339686d27f53e9893a4b49a5632f405f71a391adcbffc44fe1feb50cf87a433ce5d36e17152ef8
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxBR:T6a+rdOOtEvwDpjNtHPQ
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 2024-04-23_ac098d03a3b0f08215270631fba1bd18_cryptolocker
Files
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2024-04-23_ac098d03a3b0f08215270631fba1bd18_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