Behavioral task
behavioral1
Sample
2024-04-20_4f3b7538ec01ed1f1be7fbfc7ab9b4c2_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-20_4f3b7538ec01ed1f1be7fbfc7ab9b4c2_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-20_4f3b7538ec01ed1f1be7fbfc7ab9b4c2_cryptolocker
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Size
85KB
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MD5
4f3b7538ec01ed1f1be7fbfc7ab9b4c2
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SHA1
d959768df457e83d39b9cf395c44a20c84c0c50b
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SHA256
7aae6dd784bfda2d2ea9f13e473c6af913a1fa952f0f0722b019d2ef4a4673cb
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SHA512
2c20ef4bfc308c1d8094d55f1c00d1c0e9ce86b889a0fd647f44bd207b835dc4fa13961ff30b61e3da0fbb59656e1c6b9981d5ef673ced8ee51e75fe993b67f2
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5Rn:T6a+rdOOtEvwDpjNW
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 2024-04-20_4f3b7538ec01ed1f1be7fbfc7ab9b4c2_cryptolocker
Files
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2024-04-20_4f3b7538ec01ed1f1be7fbfc7ab9b4c2_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