Behavioral task
behavioral1
Sample
2024-03-15_b3e1b1269c77229eeb05058b2e37040c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-15_b3e1b1269c77229eeb05058b2e37040c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-15_b3e1b1269c77229eeb05058b2e37040c_cryptolocker
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Size
149KB
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MD5
b3e1b1269c77229eeb05058b2e37040c
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SHA1
1ab7e5bf3c4f82c8177383301937dadfbf2b9d54
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SHA256
99392f699547c2239b6549b2b7974a83a35f058ca2cc58f7571da4eed12d1382
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SHA512
e198521d004a3f6930c1958eed4df20ac6569a534aa487876cf1d5ed5cb64fe53f2409c53b778c74988cfc599f06939df449525f6b7294347f4b7ac2c30c3dd0
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp699GNtL1e2F:z6a+CdOOtEvwDpjczm
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 2024-03-15_b3e1b1269c77229eeb05058b2e37040c_cryptolocker
Files
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2024-03-15_b3e1b1269c77229eeb05058b2e37040c_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_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