Static task
static1
Behavioral task
behavioral1
Sample
bpk.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
bpk.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
bpkhk.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
bpkhk.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral5
Sample
rinst.exe
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
rinst.exe
Resource
win10v2004-20231215-en
General
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Target
09aa36e267160133f0fb1b03e5abeb0f
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Size
634KB
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MD5
09aa36e267160133f0fb1b03e5abeb0f
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SHA1
e043887201ae7839f5e24e9c7fa562f0e3e18faf
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SHA256
8e04e88ce480aabebac8a5d2cf45b58527c4e113fd6a97814ceb768a293baf40
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SHA512
acff8943fcbd7b547bb8a77c38fa373a603e3930279e32feaa7287eff6fa1d8fd9c9c8c0d720445ee596301629dc2001a41ad40949911d9d1600e1b02c93f996
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SSDEEP
12288:ikfm/P0Ij9JDoi1x6dOkKp6udQItMymPGTvW0JAf1C3IqGCUgd4+Qa:Jfg8g9JDoi1x6nKEdItRmPwePo3IqygF
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/rinst.exe
Files
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09aa36e267160133f0fb1b03e5abeb0f.rar
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bpk.exe
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bpkhk.dll
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inst.dat
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pk.bin
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rinst.exe.exe windows:4 windows x86 arch:x86
7ca32fe06cef41cf114a012e2f8f89d5
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
Imports
kernel32
lstrcmpW
lstrcmpiW
GetProcAddress
GetModuleHandleW
GetVersionExW
LoadLibraryW
FreeLibrary
CloseHandle
OpenProcess
GetLastError
MultiByteToWideChar
GetSystemDirectoryW
ReadFile
GetFileSize
CreateFileW
lstrcatW
lstrcpyW
lstrcpynW
CreateDirectoryW
SetFileTime
SystemTimeToFileTime
GetSystemTime
WriteFile
DeleteFileW
CreateProcessW
Sleep
RemoveDirectoryW
FindClose
FindNextFileW
FindFirstFileW
SetCurrentDirectoryW
lstrlenW
CopyFileW
GetTempPathW
FileTimeToSystemTime
GetFileTime
TerminateProcess
GetCurrentProcess
GetModuleFileNameW
LoadLibraryA
RaiseException
InterlockedExchange
LocalAlloc
GetStartupInfoA
GetModuleHandleA
user32
PostMessageW
CharLowerW
FindWindowW
shell32
ShellExecuteW
msvcrt
__getmainargs
??3@YAXPAX@Z
wcscpy
wcslen
memcpy
??2@YAPAXI@Z
wcschr
memset
__p___argv
__p___argc
wcsrchr
__CxxFrameHandler
_EH_prolog
_exit
_XcptFilter
exit
_acmdln
_initterm
__setusermatherr
_adjust_fdiv
__p__commode
__p__fmode
__set_app_type
_except_handler3
_controlfp
Sections
.rdata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 19KB - Virtual size: 19KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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yurt.JPG.jpg