Behavioral task
behavioral1
Sample
2024-04-25_5f1a0c4d5d60883256eeeb5bc19895d9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-25_5f1a0c4d5d60883256eeeb5bc19895d9_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-25_5f1a0c4d5d60883256eeeb5bc19895d9_cryptolocker
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Size
57KB
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MD5
5f1a0c4d5d60883256eeeb5bc19895d9
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SHA1
f3842d2432de0bad3847d80710f74fc49727465b
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SHA256
55e4d408bbe34d7f85dd10e2f552f24ffa5368643aff83dff9768c49f1df7803
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SHA512
b94095e43f4ac2f6a6a59830c24e9e36d5f72259b1df891ee3d81f0f31f164fe597dfc910c1437cee86d6ec3160433b9084f788c9834b84be0356e47bf58d62e
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAPu:H6QFElP6n+gou9cvMOtEvwDpjCpVXD
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_5f1a0c4d5d60883256eeeb5bc19895d9_cryptolocker
Files
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2024-04-25_5f1a0c4d5d60883256eeeb5bc19895d9_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