Behavioral task
behavioral1
Sample
2024-02-28_437cec2a6a9506a6b71bf83b4938b101_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-28_437cec2a6a9506a6b71bf83b4938b101_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_437cec2a6a9506a6b71bf83b4938b101_cryptolocker
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Size
78KB
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MD5
437cec2a6a9506a6b71bf83b4938b101
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SHA1
f0ac40c0ab35ffcc18cdd8317ca181ee063af3ab
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SHA256
ab6605aca576e51a5235b2f3e731f86529147929203efc68aa2a3740972cad2c
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SHA512
cd74705c8b15dfc3eaa343d5bcdecd23decb49065d748cc09528be98ad5e2e35d20c97ae00957394aef5ce55f51ab488df08fa8d34e167c0a58f25262fbcdd23
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyaR:zCsanOtEvwDpjP
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_437cec2a6a9506a6b71bf83b4938b101_cryptolocker
Files
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2024-02-28_437cec2a6a9506a6b71bf83b4938b101_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