Behavioral task
behavioral1
Sample
2024-01-26_4b9384544363f93b7e54bb75f1b1bc93_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-26_4b9384544363f93b7e54bb75f1b1bc93_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-26_4b9384544363f93b7e54bb75f1b1bc93_cryptolocker
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Size
96KB
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MD5
4b9384544363f93b7e54bb75f1b1bc93
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SHA1
d2ef2d93cf18dd668b8a07aca995afd039c4012a
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SHA256
99695685960a2875921c795be61f39278820983dd735f3f104fa72c16f795e8f
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SHA512
4fabe287ceab28c4b8b2aabd715a7f1533498398f8d64d3293cafa8dcd8e94d907aad421ccb84c33c3dff46cdc4b93fd87e58a09a2c458c933601ab3f3c0bf30
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjuvQvO:zCsanOtEvwDpjV
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 2024-01-26_4b9384544363f93b7e54bb75f1b1bc93_cryptolocker
Files
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2024-01-26_4b9384544363f93b7e54bb75f1b1bc93_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