Behavioral task
behavioral1
Sample
2024-02-18_a2cbf46b6d7628164dd99fa0c4bbddda_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-18_a2cbf46b6d7628164dd99fa0c4bbddda_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-18_a2cbf46b6d7628164dd99fa0c4bbddda_cryptolocker
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Size
80KB
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MD5
a2cbf46b6d7628164dd99fa0c4bbddda
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SHA1
9df3f8a6e2b2884c567a8c2f64f03e240626e0d5
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SHA256
b3d8d4cca36f69c31377e441ffb302e50b48d7317d3a9634992ac27a63f8f2fc
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SHA512
1424aeb8388d89189f45868d65e9e64329afc56f7264cdff0b90377009286dd8b8226541a50a2b80505c4a45470c032a4f4d527b3cdecc070e92c1368d759518
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyhuqK:zCsanOtEvwDpjF
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 2024-02-18_a2cbf46b6d7628164dd99fa0c4bbddda_cryptolocker
Files
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2024-02-18_a2cbf46b6d7628164dd99fa0c4bbddda_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