Behavioral task
behavioral1
Sample
2024-01-28_1142eaa4e6ccccb6215ddbaa8fa2f028_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_1142eaa4e6ccccb6215ddbaa8fa2f028_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-28_1142eaa4e6ccccb6215ddbaa8fa2f028_cryptolocker
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Size
73KB
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MD5
1142eaa4e6ccccb6215ddbaa8fa2f028
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SHA1
638e1b39028e61fe3f342b85cfaeb09fb70ffaab
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SHA256
37567f9e3d3a8377cff676be6e4fab8b641e264fbc09277b5714a305c2e75925
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SHA512
28e0f7a4c879d99064cdd8f14f1d3197c433dfe7fb2bcdc5b14a04f4367692debe61791a7adc486c324d82300a3bc1d0d41c33224c07cb17987729cdd33db053
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxuR:T6a+rdOOtEvwDpjNtHPD
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 2024-01-28_1142eaa4e6ccccb6215ddbaa8fa2f028_cryptolocker
Files
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2024-01-28_1142eaa4e6ccccb6215ddbaa8fa2f028_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