Behavioral task
behavioral1
Sample
2024-02-21_043f788a3f18fd96484ac51cc1989912_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-21_043f788a3f18fd96484ac51cc1989912_cryptolocker.exe
Resource
win10v2004-20240220-en
General
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Target
2024-02-21_043f788a3f18fd96484ac51cc1989912_cryptolocker
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Size
63KB
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MD5
043f788a3f18fd96484ac51cc1989912
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SHA1
80c06e77f348814a6b5c6df08039aeaeb634a631
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SHA256
d6996f5c77e32c6071968c832dc1ad5b80013b6fc7e7c1bc9285517d7f98ab2a
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SHA512
0e355c62db7c7c4eb9d6282c1aa20a7230da3e2c262fb360267d2aacd4ab8b3747b63d026eb4b73296595b84f24a1b3b607d0f1324294e66ad7882385cd25cfa
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5ka0p:zj+soPSMOtEvwDpj4kpmeLmQjp
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_043f788a3f18fd96484ac51cc1989912_cryptolocker
Files
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2024-02-21_043f788a3f18fd96484ac51cc1989912_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