Behavioral task
behavioral1
Sample
2024-04-25_a8dbbad7876905ec6016337df29869ca_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-25_a8dbbad7876905ec6016337df29869ca_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-25_a8dbbad7876905ec6016337df29869ca_cryptolocker
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Size
79KB
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MD5
a8dbbad7876905ec6016337df29869ca
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SHA1
3d195e9e649218aeb7d5867aa12722a2be1907f8
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SHA256
d5e3b8a791dd4df71f515a16464f25d2332472ac3b8c0c1f74ab0c245a793aea
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SHA512
707f6860ec77f9e9934859d65120a24b1046e0f1b2f911809a9d95f2b097a7c636adee76e991da77257e6c352d00ac4bad7b2bdaddc9b39323ff224ad0e8fcd5
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qp8:zCsanOtEvwDpji
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 2024-04-25_a8dbbad7876905ec6016337df29869ca_cryptolocker
Files
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2024-04-25_a8dbbad7876905ec6016337df29869ca_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