Behavioral task
behavioral1
Sample
2024-01-25_a745819bc781d7081ab9e7e1b37583ee_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_a745819bc781d7081ab9e7e1b37583ee_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-25_a745819bc781d7081ab9e7e1b37583ee_cryptolocker
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Size
73KB
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MD5
a745819bc781d7081ab9e7e1b37583ee
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SHA1
740e86baebe3821c05d145193d704dc5e24d9d17
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SHA256
c7ebb8c5528e38cfd31b60e28305c156f7327c64faad5c3a475f225927243bb3
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SHA512
92e13bccac878cd4cd4fa7c667015f02540255537ec6830e3b38b849e51dd72e815da62f7e6f60e188aeaeb915cc9cc553b70812db6573bbdd9d5a24bd2bfd50
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxh:T6a+rdOOtEvwDpjNtHPa
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 2024-01-25_a745819bc781d7081ab9e7e1b37583ee_cryptolocker
Files
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2024-01-25_a745819bc781d7081ab9e7e1b37583ee_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