Behavioral task
behavioral1
Sample
=?koi8-r?B?cGhvdG9zLmV4ZQ==?=.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
=?koi8-r?B?cGhvdG9zLmV4ZQ==?=.exe
Resource
win10v2004-20231215-en
General
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Target
fe9eaebcaa7e36627985330b5a02dcd9
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Size
84KB
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MD5
fe9eaebcaa7e36627985330b5a02dcd9
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SHA1
dd66082ab902391babd02888b46f23591867abad
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SHA256
c648c6858b79920195d966dd14b6dfd9a6074ce5a7f636c5957cccad65cbe7fb
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SHA512
468ea93d41fdc1cbda8130ead059bc92af44ca9a734c379151cf013d6fb046584976657daf6bf0fa5d4ffa4963fdaf18e1e7000e6174c8e224e1ff6686b350f0
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SSDEEP
1536:nhiRxYn8Ie1bTsgYtXNNz8yz35vB0EcPtV5aRu0/6rhW5iglBzZ3:nhiRxY61vsztXZz0bkb/6rhlg7t
Malware Config
Signatures
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resource yara_rule static1/unpack001/=?koi8-r?B?cGhvdG9zLmV4ZQ==?= upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/=?koi8-r?B?cGhvdG9zLmV4ZQ==?= unpack002/out.upx
Files
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fe9eaebcaa7e36627985330b5a02dcd9.eml
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=?koi8-r?B?cGhvdG9zLmV4ZQ==?=.exe windows:4 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: 84KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 42KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 7KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 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: 71KB - Virtual size: 72KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 15KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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email-plain-1.txt