Behavioral task
behavioral1
Sample
2024-03-29_4fbf81719b40a5f400cb5d17c9f543b7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-29_4fbf81719b40a5f400cb5d17c9f543b7_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-29_4fbf81719b40a5f400cb5d17c9f543b7_cryptolocker
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Size
61KB
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MD5
4fbf81719b40a5f400cb5d17c9f543b7
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SHA1
7ea7722c7b1b0fe8cc4f4c1c65363151e7773862
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SHA256
77ede82dd554fc6a8d5e1763eb68dcc385e2342f00f9294a8d5fabc61d0f1ce6
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SHA512
75b52cd3d92a742cc8eedf7a98fcf38b67fe3eb5d0cfe40d3b39399ceca224cdf57b385a1ca7fc0230a000e2a314da54ee8883a99c1ee5077424ddbb736f56fe
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SSDEEP
768:T6LsoEEeegiZPvEhHSG+gkum/kLyMro2GtOOtEvwDpjhXMLamkc8J59K:T6QFElP6n+gxmddpMOtEvwDpjwa39K
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_4fbf81719b40a5f400cb5d17c9f543b7_cryptolocker
Files
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2024-03-29_4fbf81719b40a5f400cb5d17c9f543b7_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