Behavioral task
behavioral1
Sample
2024-03-09_75f99f9990697d517495fdbfd806c0fc_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-09_75f99f9990697d517495fdbfd806c0fc_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-09_75f99f9990697d517495fdbfd806c0fc_cryptolocker
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Size
116KB
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MD5
75f99f9990697d517495fdbfd806c0fc
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SHA1
6b8791813e3460c3f003125e65461c474b547956
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SHA256
89e26c20846ec0afd83e3f80f1f6c8883802ed72fb234a26fd87eff696d369ac
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SHA512
b27f221be46b6b6f8f0dd49e95f78b64e1bd50b6368dde96875e9a72bf3068ef0ce833b77d27c67ba5eacb119e57fb7749a14a032feee6d62b8e7a84a9b8dcf4
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjCGYQbN/PKwNLX9a:T6a+rdOOtEvwDpjLzO
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 2024-03-09_75f99f9990697d517495fdbfd806c0fc_cryptolocker
Files
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2024-03-09_75f99f9990697d517495fdbfd806c0fc_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