Behavioral task
behavioral1
Sample
NEAS.2023-09-28_37dc2b2b69cf271984a0c22206a216e4_cryptolocker.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.2023-09-28_37dc2b2b69cf271984a0c22206a216e4_cryptolocker.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.2023-09-28_37dc2b2b69cf271984a0c22206a216e4_cryptolocker.exe
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Size
96KB
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MD5
37dc2b2b69cf271984a0c22206a216e4
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SHA1
20dee486654f810a481fd7e200123c98f5236e81
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SHA256
f02f298613345623f8c87034c7f7d329956b9c058c2aa65c589ce633d36beeaa
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SHA512
46e298123bc2c3e4375b9df95f65760a702e038ca907e89b29ffbbaba15d7564dec7eb618191c3d7feffb7c987841d77b3e11adad4d272256faaf5ad7567c5a6
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviL:AnBdOOtEvwDpj6zR
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource NEAS.2023-09-28_37dc2b2b69cf271984a0c22206a216e4_cryptolocker.exe unpack001/out.upx
Files
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NEAS.2023-09-28_37dc2b2b69cf271984a0c22206a216e4_cryptolocker.exe.exe windows:5 windows 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
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