Behavioral task
behavioral1
Sample
2024-04-06_955bbba0a3e95679a6933c16acab6441_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-06_955bbba0a3e95679a6933c16acab6441_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-06_955bbba0a3e95679a6933c16acab6441_cryptolocker
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Size
76KB
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MD5
955bbba0a3e95679a6933c16acab6441
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SHA1
4f67db02c8a641d09d8c9b80278e099ab5a5e535
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SHA256
ac84430d9c3dd715fad41e0fbc3b2a7ee751b5785499fa91b22f3d6685e48f95
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SHA512
7b0431c518a8a8c1e6ffaa08ba1cdf7020b0ea8ba62df5bd85b19d9b71b0ede511d94b9bd01a2f6c6cc62fe239db6f3fddecc14f38bcb16bb2d1c350eb4e7211
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcRC:T6a+rdOOtEvwDpjNtj
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 2024-04-06_955bbba0a3e95679a6933c16acab6441_cryptolocker
Files
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2024-04-06_955bbba0a3e95679a6933c16acab6441_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