Behavioral task
behavioral1
Sample
2024-05-01_fe81fe3f41c60c9a57910be5f65f65c4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-01_fe81fe3f41c60c9a57910be5f65f65c4_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-01_fe81fe3f41c60c9a57910be5f65f65c4_cryptolocker
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Size
82KB
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MD5
fe81fe3f41c60c9a57910be5f65f65c4
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SHA1
5be8cbf704e8cacdb360b7db2f2404e8166ed794
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SHA256
11f1f1caf091f828ee6f3d78ed215e45bb91f95f68779376aa6b5887028cb90e
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SHA512
561fe5f4bcc3261adc2eb8fa2eae5890eff7e71e9575ff637b0fd360ae3545f1a55d6020623ee9a6fd99ab55e0f5aae8fb0b123207248f27bf3fda0c3d600808
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7p:T6a+rdOOtEvwDpjN1
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 2024-05-01_fe81fe3f41c60c9a57910be5f65f65c4_cryptolocker
Files
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2024-05-01_fe81fe3f41c60c9a57910be5f65f65c4_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