Behavioral task
behavioral1
Sample
2024-05-21_dc4bfa3bae8b7bc3baf76079bf453d40_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-21_dc4bfa3bae8b7bc3baf76079bf453d40_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-21_dc4bfa3bae8b7bc3baf76079bf453d40_cryptolocker
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Size
80KB
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MD5
dc4bfa3bae8b7bc3baf76079bf453d40
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SHA1
277205b1515b4e2867fe984d5f4fe0965984b005
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SHA256
31f21cbfc96fe4c07adadca37f56913b06592fc77a7259cc8074e93a07c3d4ea
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SHA512
3f24fd9ca911ba74d493698df642fc7daf3daa207546d269b539baf20f41edbc92c36579449721c3b80c0c3255119b7e7a1139a416c7a289383743d3a5988206
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YSafiPuqi:T6a+rdOOtEvwDpjNcN
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 2024-05-21_dc4bfa3bae8b7bc3baf76079bf453d40_cryptolocker
Files
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2024-05-21_dc4bfa3bae8b7bc3baf76079bf453d40_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