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Static task
static1
Behavioral task
behavioral1
Sample
2.exe
Resource
win7-20220223-en
Behavioral task
behavioral2
Sample
2.exe
Resource
win10v2004-en-20220112
General
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Target
2.exe
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Size
36KB
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MD5
4d85e1d2cff1f97e149e345a19928ad9
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SHA1
2c1c6df0d80940bed3576ba89bd8b0f29654bb17
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SHA256
7c70ee2493d0ccc41cf42d9ef1f478d235bb09fa98eb1e991d7f4bccac818bf0
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SHA512
d0afa20c1cf1fbdb197dc846e862478fa156b1331b4b4cf1e96520c7981c87de2c25c0dbdebcf6749212c56f70443b3792a133e1261210cf1298358535221f1f
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SSDEEP
768:7XnmZeP7jiDhdlYsujuguUhgYxBdHv6meIjYAu4Wijdg7L:7XnkHhdPngbhf1vbs9/n
Malware Config
Extracted
buer
https://gstatiknetiplist.cc/
https://gstatiknetiplist.com/
Signatures
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Buer Loader 1 IoCs
Detects Buer loader in memory or disk.
resource yara_rule sample buer -
Buer family
Files
-
2.exe.exe windows x86
140bae8334be0247b7320e4cd9f15d46
Code Sign
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
ntdll
strncmp
strstr
strchr
strtoul
memset
iswctype
wcslen
_allmul
strlen
_alldiv
_chkstk
kernel32
GetFileAttributesW
SetThreadContext
CreateProcessA
VirtualAllocEx
GetThreadContext
GetDriveTypeA
GetDiskFreeSpaceExA
HeapFree
HeapAlloc
GetProcessHeap
VirtualAlloc
GetTickCount
WriteProcessMemory
ResumeThread
Sections
.text Size: 25KB - Virtual size: 24KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ