Behavioral task
behavioral1
Sample
2024-02-28_43ffbe662d83f064b8e96b6a7796d4e7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_43ffbe662d83f064b8e96b6a7796d4e7_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_43ffbe662d83f064b8e96b6a7796d4e7_cryptolocker
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Size
74KB
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MD5
43ffbe662d83f064b8e96b6a7796d4e7
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SHA1
c006d939ed6dcf051a60eb64921427547f0b8e00
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SHA256
940831518f615d7848ac83eee1569d6bf75a3d8a530dda5ba273de92e4fbd397
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SHA512
c85ec70aee8163b3ca6243287878024f59a2b9200c3516c1d4c2e2d517eded3b5754eb4a31412b39a5c2e33294ffb2a002ce95dc2dc35c08a48d246f3450b510
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxD:T6a+rdOOtEvwDpjNtHPs
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 2024-02-28_43ffbe662d83f064b8e96b6a7796d4e7_cryptolocker
Files
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2024-02-28_43ffbe662d83f064b8e96b6a7796d4e7_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