Behavioral task
behavioral1
Sample
2024-01-26_3ff9083ca816c08622c0bb863c174e2f_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-26_3ff9083ca816c08622c0bb863c174e2f_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-26_3ff9083ca816c08622c0bb863c174e2f_cryptolocker
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Size
72KB
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MD5
3ff9083ca816c08622c0bb863c174e2f
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SHA1
7eb410599f7cac2c3d040c14bfd5015458ea9da7
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SHA256
4e0bede809c45c7efb5637ed78faecd37a9b28cd03298a7574ad6c6d518f91ba
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SHA512
e12ca7823cae73c7711f7b9e65a26b1b36e768777dd46e26b0dde8b7fe82c57576531196869a406bf6b8c3fb6f81a7f5c746904cd44cb6162488adf33bb41264
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdZ:T6a+rdOOtEvwDpjNt/
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 2024-01-26_3ff9083ca816c08622c0bb863c174e2f_cryptolocker
Files
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2024-01-26_3ff9083ca816c08622c0bb863c174e2f_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