Behavioral task
behavioral1
Sample
2024-04-27_f37cef3be922b26802253b7437771d44_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-27_f37cef3be922b26802253b7437771d44_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-27_f37cef3be922b26802253b7437771d44_cryptolocker
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Size
80KB
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MD5
f37cef3be922b26802253b7437771d44
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SHA1
12b5b335c8b3ec5a9a9249e67d88a1620f49be6d
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SHA256
bf10a58ea371043a047b8da4c076037e1fe2ccb57735fa89e094a5bb960a5ad1
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SHA512
539e7067daa247ea58a3a324699aba86df658e1b4ba35c4ef7792b58ae0bed6acb36e7827de4c81745474c95b8b11e9b3223037b26c499c47de69875ffb2cfdc
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qu:zCsanOtEvwDpjS
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 2024-04-27_f37cef3be922b26802253b7437771d44_cryptolocker
Files
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2024-04-27_f37cef3be922b26802253b7437771d44_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