Behavioral task
behavioral1
Sample
2024-01-18_8a7f3e2639e193657dd6ead2205a43f8_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-18_8a7f3e2639e193657dd6ead2205a43f8_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-18_8a7f3e2639e193657dd6ead2205a43f8_cryptolocker
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Size
81KB
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MD5
8a7f3e2639e193657dd6ead2205a43f8
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SHA1
69276ebf7b920adfe694ae00bb6ac4296e08ac43
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SHA256
3bcba582ea43b1adbc5f94dd002f58a0e06f91cada3e9090b961d27ce6594331
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SHA512
20ea4479eadc6c313894ac7da70282a89646982e86f0a57a2aeea184b44cd901d3bf922484cd0827c8b43d17d4ebacfecb15aea7928bc087f336c3dadd7a8471
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1n:zCsanOtEvwDpj9
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 2024-01-18_8a7f3e2639e193657dd6ead2205a43f8_cryptolocker
Files
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2024-01-18_8a7f3e2639e193657dd6ead2205a43f8_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