Behavioral task
behavioral1
Sample
2024-02-23_531a111ffe42cd78898b2c191ae3d9c1_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_531a111ffe42cd78898b2c191ae3d9c1_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_531a111ffe42cd78898b2c191ae3d9c1_cryptolocker
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Size
88KB
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MD5
531a111ffe42cd78898b2c191ae3d9c1
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SHA1
613210d79f2085a854d356e5317d0871c430cb9a
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SHA256
ac1b870e30f37b27f15f2581cbb4ce58e95498a5afae744ce519675513f8d133
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SHA512
9e79ea757319bf581f8e3e32e71d0e8318e027c29ae284cfdd2a108312e11aadb89a2ddc71d1108f1af9c01d42b0d1702ebd4a7fb77e52744b917a99413ac387
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjX:zCsanOtEvwDpjm
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 2024-02-23_531a111ffe42cd78898b2c191ae3d9c1_cryptolocker
Files
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2024-02-23_531a111ffe42cd78898b2c191ae3d9c1_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