Behavioral task
behavioral1
Sample
2024-02-21_845ea6e0abc83a2c91091e97d7ca82d4_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-21_845ea6e0abc83a2c91091e97d7ca82d4_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-21_845ea6e0abc83a2c91091e97d7ca82d4_cryptolocker
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Size
92KB
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MD5
845ea6e0abc83a2c91091e97d7ca82d4
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SHA1
b6a34fb6d84557256c7669f59f65daad3e90894a
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SHA256
f4b4738ebb21e2110537ed3918d37322304c20cffc84b6f218eda90f261197e2
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SHA512
d3717e919decda2ff75e97c11e348b9e44d9f9ac6ebb9bdaeb629c13a549ec5dcb7af3f250837ad203e1a3b449152bf7eac4b2ad470ecd0923a53d70fd24c7d1
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/C:zCsanOtEvwDpjBC
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 2024-02-21_845ea6e0abc83a2c91091e97d7ca82d4_cryptolocker
Files
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2024-02-21_845ea6e0abc83a2c91091e97d7ca82d4_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