Behavioral task
behavioral1
Sample
2024-05-29_03e9b0fb0cd6b8ff3c03a8bd0b9ad5f5_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-29_03e9b0fb0cd6b8ff3c03a8bd0b9ad5f5_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-29_03e9b0fb0cd6b8ff3c03a8bd0b9ad5f5_cryptolocker
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Size
78KB
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MD5
03e9b0fb0cd6b8ff3c03a8bd0b9ad5f5
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SHA1
0022cc5fb7a16c3e53ad8a0427e2d3e18a5055ea
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SHA256
6bb762abc2655f02b28601ccb622ae3e480093c27eb097e8a6ea14ca20c31e4f
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SHA512
77dfc414214f879a0115b92bb19766d48a591cdf8fc3327379847972a2a1bd6436f3fd36b8cb9712c9553878db03fd3ebe948e49f654dcfc2e51d8e606c72e8d
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxne:T6a+rdOOtEvwDpjNtHPt
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 2024-05-29_03e9b0fb0cd6b8ff3c03a8bd0b9ad5f5_cryptolocker
Files
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2024-05-29_03e9b0fb0cd6b8ff3c03a8bd0b9ad5f5_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