Behavioral task
behavioral1
Sample
2024-04-25_57a7383f5647406713930133e8ea7a3a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-25_57a7383f5647406713930133e8ea7a3a_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-25_57a7383f5647406713930133e8ea7a3a_cryptolocker
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Size
96KB
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MD5
57a7383f5647406713930133e8ea7a3a
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SHA1
afe2b4fe895b2b77234e9941a57029488617eaf5
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SHA256
cfcf1f50ff035cca1c11d5f48423afb6299ba54ccdfc28c44553c80e64b5aa3b
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SHA512
182e8a8b5f0124550b34bcda5468169cbd705101ef17a693b1b594919c901c174aac2b8d7ab03aacaef97e3f75520e199a051aaf49a92e26c6ed9aa3911d171c
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bu:zCsanOtEvwDpjBy
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 2024-04-25_57a7383f5647406713930133e8ea7a3a_cryptolocker
Files
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2024-04-25_57a7383f5647406713930133e8ea7a3a_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