Behavioral task
behavioral1
Sample
2024-01-01_b1043d43fb41178825bbd4d26c93c76e_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-01_b1043d43fb41178825bbd4d26c93c76e_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-01_b1043d43fb41178825bbd4d26c93c76e_cryptolocker
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Size
88KB
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MD5
b1043d43fb41178825bbd4d26c93c76e
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SHA1
2841e25d08e4ae6dceafb22c8f178454b4553c3d
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SHA256
4450f026cbe21a2a8709b0739db88cfb47c646b49df507eb1e95f96ff02b07dd
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SHA512
22e9266aa110b4beaf6c5b61d54927e1e1b8faedc17c72ac7a211c6f6c4d33f9dbedb7b4e654e04de5c59ef3d29f2ed4d2d39265039512505caf2c1e422e2411
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgcfXYJ:AnBdOOtEvwDpj6zL
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-01-01_b1043d43fb41178825bbd4d26c93c76e_cryptolocker unpack001/out.upx
Files
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2024-01-01_b1043d43fb41178825bbd4d26c93c76e_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: - Virtual size: 32KB
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
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out.upx.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
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ