Behavioral task
behavioral1
Sample
2024-05-21_4263f1fc585dd7227063b6a257f7935d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-21_4263f1fc585dd7227063b6a257f7935d_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-21_4263f1fc585dd7227063b6a257f7935d_cryptolocker
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Size
81KB
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MD5
4263f1fc585dd7227063b6a257f7935d
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SHA1
6277b50416dc6713914d967ea564d860ec815a53
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SHA256
37849bb6f89f1d2cb7d17a4b1325c0df3021788a2bbbb6685138e2acdc989ac7
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SHA512
0a1dfc5a0efc476d25bdc6925e026e32a434896b4dc97cde740c5dddcd2e3fe4727f7a51ea88a78a551b2293136b9181b91930da2439edf4c11e853ffe0b3bda
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Q7:zCsanOtEvwDpj/
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 2024-05-21_4263f1fc585dd7227063b6a257f7935d_cryptolocker
Files
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2024-05-21_4263f1fc585dd7227063b6a257f7935d_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