Behavioral task
behavioral1
Sample
2024-04-19_65b820c29f966d3f5b4b8c1150973f09_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-19_65b820c29f966d3f5b4b8c1150973f09_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-19_65b820c29f966d3f5b4b8c1150973f09_cryptolocker
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Size
109KB
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MD5
65b820c29f966d3f5b4b8c1150973f09
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SHA1
bfe82dddb718b92d2df27267e3469d805bebb55b
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SHA256
0ee62cf82a1329e75566f2fea1ebe57a4fc5063e3c544a01e21560f4fd129796
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SHA512
d6b88b32915e82bb57ced2fb6ea93250d45f4d2f176a5fb17b01f3bdbbcb9d26044021c37525bab2131ada339fd34409471568b9b2d11db2cdf5d227e6257a7b
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMgg:z6a+CdOOtEvwDpjcz0
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 2024-04-19_65b820c29f966d3f5b4b8c1150973f09_cryptolocker
Files
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2024-04-19_65b820c29f966d3f5b4b8c1150973f09_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_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