Behavioral task
behavioral1
Sample
2024-05-04_e5737cd819188c04e1194e215195e678_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-04_e5737cd819188c04e1194e215195e678_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-04_e5737cd819188c04e1194e215195e678_cryptolocker
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Size
64KB
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MD5
e5737cd819188c04e1194e215195e678
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SHA1
3cfa89048eae211f6f8f504b14e57dc24503c2d9
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SHA256
5c090e09a02c8c74f913a2a403d4229742834b2bbdca551428ee0946d9529ffa
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SHA512
18729d717f176d173b206bd3f664aa6c8326b76b47172f3807dd6ca1a429349ffb9f2afc6487c058a7a16c8f1b6802eaea8cf60d7cd9a2b2119f36e2d6feafba
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYZ8xDwS:1nK6a+qdOOtEvwDpjR
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 2024-05-04_e5737cd819188c04e1194e215195e678_cryptolocker
Files
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2024-05-04_e5737cd819188c04e1194e215195e678_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE