Behavioral task
behavioral1
Sample
2024-03-29_f1bd3da67e4a5e3fab34ed85e569f145_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-29_f1bd3da67e4a5e3fab34ed85e569f145_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-29_f1bd3da67e4a5e3fab34ed85e569f145_cryptolocker
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Size
83KB
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MD5
f1bd3da67e4a5e3fab34ed85e569f145
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SHA1
07d4811655e7f4cf09aac3a3cc0346439740b633
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SHA256
0bfb78bd0ac2d0f895665852e3b8a8923dbd0667ba1e458f316ab1482bf4906b
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SHA512
54911388373a1d77dbca9a2be31c4ee0cdd714c415545e6033d41f491238346028253d0672e746d116d3fab76c40dbd8de1c50d9236f4f0798df57f29067d16c
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd0On:T6a+rdOOtEvwDpjNtL
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 2024-03-29_f1bd3da67e4a5e3fab34ed85e569f145_cryptolocker
Files
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2024-03-29_f1bd3da67e4a5e3fab34ed85e569f145_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