Behavioral task
behavioral1
Sample
2024-06-04_1a7fd6b3f3144611e802310572e2a6b2_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-04_1a7fd6b3f3144611e802310572e2a6b2_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-04_1a7fd6b3f3144611e802310572e2a6b2_cryptolocker
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Size
60KB
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MD5
1a7fd6b3f3144611e802310572e2a6b2
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SHA1
74e7c9e8628d6ceeb4717c89b5f38e3b1dd822a7
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SHA256
24bef58e656004895cd214269a9f85e1eb9eb9559f7cc98226c7984fc0bcc27d
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SHA512
a81dc846f2d1c1e32193458b98754cb18011e46098b05e0fd0013eb4b3b69f909c3f54538aa8cf344eb57d209622378b0ad31a85e05091e31e8bef8dce09a5a2
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP6ps:H6QFElP6n+gou9cvMOtEvwDpjCpVXO
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 2024-06-04_1a7fd6b3f3144611e802310572e2a6b2_cryptolocker
Files
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2024-06-04_1a7fd6b3f3144611e802310572e2a6b2_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: 11KB - 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