Behavioral task
behavioral1
Sample
2024-02-04_cf6dcae11e693e59b5001cd4a96cb431_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-04_cf6dcae11e693e59b5001cd4a96cb431_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-04_cf6dcae11e693e59b5001cd4a96cb431_cryptolocker
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Size
82KB
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MD5
cf6dcae11e693e59b5001cd4a96cb431
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SHA1
b171a79147a493b8f4f6995ac5ddf59539e8c4d1
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SHA256
b85e28dcf094060295e9f01ecb1bc7fefa79106be612f236d8a8c1435d48b677
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SHA512
f197f10914a4de883ac3dc1e5c0e3dbe2c90e77a90d6a1701c9de3af134edfcb016179c25e481cdef1e0c31f2af48c2f8faf3acfa6c8f7f8ebc3e2985b486fab
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1nQ:zCsanOtEvwDpjW
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_cf6dcae11e693e59b5001cd4a96cb431_cryptolocker
Files
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2024-02-04_cf6dcae11e693e59b5001cd4a96cb431_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