Behavioral task
behavioral1
Sample
2024-05-22_fd671b57d21de1c29afdc2ecbaf47539_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-22_fd671b57d21de1c29afdc2ecbaf47539_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-22_fd671b57d21de1c29afdc2ecbaf47539_cryptolocker
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Size
80KB
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MD5
fd671b57d21de1c29afdc2ecbaf47539
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SHA1
146f092f96193838799e90889766850b79a6723f
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SHA256
8ebad57fc16d17ed735b74012aeba6512af20ecae4163862f0b7f8646631766d
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SHA512
7d08ea168e87ec0d6d3baa493baff579ea2b59aee804d3789f5979b24f969eb1b143e6adc6fd94e5a707fee244883c19688c687e868f33bb8076d813f6f8b4fd
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qx:zCsanOtEvwDpjV
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
Processes:
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
Processes:
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
Processes:
resource yara_rule sample UPX -
Processes:
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 2024-05-22_fd671b57d21de1c29afdc2ecbaf47539_cryptolocker
Files
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2024-05-22_fd671b57d21de1c29afdc2ecbaf47539_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