Behavioral task
behavioral1
Sample
2024-02-28_cb253e552e8218e798e017db8469f951_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_cb253e552e8218e798e017db8469f951_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_cb253e552e8218e798e017db8469f951_cryptolocker
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Size
82KB
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MD5
cb253e552e8218e798e017db8469f951
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SHA1
981127a0b57604bc2cf388e2ab894ad119424c6e
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SHA256
8248f5628d5e59b5236b46e3dd2804939550f4eb222d6af201a6bf338c82d339
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SHA512
57aaad0eabfb8f27df956462a9b810fe7c818ddaa4f93c54cefca558199077cf5aa77db4f69a9175fd0fd2b99c270c7e732a887981f3a985a579826c6ab94d33
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS19:zCsanOtEvwDpj3
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 2024-02-28_cb253e552e8218e798e017db8469f951_cryptolocker
Files
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2024-02-28_cb253e552e8218e798e017db8469f951_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