Behavioral task
behavioral1
Sample
2024-02-04_86c607826a3b8f4894b3ac87b0c2c0c5_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-04_86c607826a3b8f4894b3ac87b0c2c0c5_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-04_86c607826a3b8f4894b3ac87b0c2c0c5_cryptolocker
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Size
81KB
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MD5
86c607826a3b8f4894b3ac87b0c2c0c5
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SHA1
4809f30f098783ae89d6e56df43e334c45c81ecb
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SHA256
983c7166db4d521c736e023aebbd8523d4f583741fc47d5af0efac578c38ce9b
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SHA512
c02ddf330d8cdb257278d4d2954c62451a8523b57a1ea47d6840689650c3cd15025bc7b1df7d372535f2f1b392b910495f9c537ea72c4402094c348fc0be7479
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT74:T6a+rdOOtEvwDpjNE
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 2024-02-04_86c607826a3b8f4894b3ac87b0c2c0c5_cryptolocker
Files
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2024-02-04_86c607826a3b8f4894b3ac87b0c2c0c5_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