Behavioral task
behavioral1
Sample
2024-04-30_a81f5d996d94bfb771efa1069a29d911_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-30_a81f5d996d94bfb771efa1069a29d911_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-04-30_a81f5d996d94bfb771efa1069a29d911_cryptolocker
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Size
52KB
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MD5
a81f5d996d94bfb771efa1069a29d911
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SHA1
2cb625170ba3344ea136873e9245e98bb8c62233
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SHA256
9d0f4dbc3b993e25d97ad7cd34015111f35fe54ccb3677a6a2e3b1cb083198b8
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SHA512
5a7a4d966d3dac75c5a040a22d5973916432cb92b05738074a51639c0aedbbe77b5b7516ccf9033840be5ded98e2505ca0cfde25e4b86e11669fd21386e84f53
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOHe:z6QFElP6n+gKmddpMOtEvwDpj31iHe
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 2024-04-30_a81f5d996d94bfb771efa1069a29d911_cryptolocker
Files
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2024-04-30_a81f5d996d94bfb771efa1069a29d911_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