Behavioral task
behavioral1
Sample
2024-04-23_3f0165a0c8d930b7113ff32c313f2e6e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-23_3f0165a0c8d930b7113ff32c313f2e6e_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-23_3f0165a0c8d930b7113ff32c313f2e6e_cryptolocker
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Size
52KB
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MD5
3f0165a0c8d930b7113ff32c313f2e6e
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SHA1
400ea0a9a815b0899bd9e42db9e43f4c4863a5ae
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SHA256
0a4a04b22197b020cac6b2f9f3d2bb253c9463fd704394a67f4245e585a4077e
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SHA512
6087af76e88c86c902e371823ba8d7f9c56d260d78e679c6594d224af1d5b199cc0ebf7739858f104dce9636d78250639755bcca6985a5bf81324f0b6dd56389
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOkS:z6QFElP6n+gKmddpMOtEvwDpj31ikS
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 2024-04-23_3f0165a0c8d930b7113ff32c313f2e6e_cryptolocker
Files
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2024-04-23_3f0165a0c8d930b7113ff32c313f2e6e_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_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