Behavioral task
behavioral1
Sample
2024-03-05_839c109b7cb981f96aeedb372a536b11_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-05_839c109b7cb981f96aeedb372a536b11_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-05_839c109b7cb981f96aeedb372a536b11_cryptolocker
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Size
91KB
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MD5
839c109b7cb981f96aeedb372a536b11
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SHA1
de3513f0a42b09513793fa241fe58670bc0f4841
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SHA256
6be149c38bb9e398ef963eff4e1e6eeaae6f0fce8436d4a374501e15269775cc
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SHA512
e027b9b40604fc7af9ffc5e3a735dcc58df640d78dc1ad1d309217717f6c1f11f9b8738438b86963cbfe9f76d1f74576504b7cb89405f4edfee7931f4546ea12
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy87J:zCsanOtEvwDpjJ
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 2024-03-05_839c109b7cb981f96aeedb372a536b11_cryptolocker
Files
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2024-03-05_839c109b7cb981f96aeedb372a536b11_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