Static task
static1
Behavioral task
behavioral1
Sample
dnfbbxSetup.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
dnfbbxSetup.exe
Resource
win10v2004-20231215-en
General
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Target
7aa86d6dd47475646e047a15881fd932
-
Size
1.6MB
-
MD5
7aa86d6dd47475646e047a15881fd932
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SHA1
9c6b20d11af6550cb65b6bdba4151c319c8da1f1
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SHA256
a2de2a7b70082fd20e5d2f8c347691d0bf2de20821e8830fc8f193fadee917c1
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SHA512
2cc567c1f59c8867b1c4e49294dad3695c6a46e921ff6fdea12313e19c1230628e0c3f3bfcd6d545890dbef2a3785111d3da7423842545d9eb75c8e77f89e206
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SSDEEP
49152:spCSsAc3bMZwx233aAK/eVyap4Bydg9NFva:DSsbMqx2aAtGByS9Dva
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/dnfbbxSetup.exe
Files
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7aa86d6dd47475646e047a15881fd932.rar
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dnfbbxSetup.exe.exe windows:4 windows x86 arch:x86
2c88baf86544dceb3225ec54ca6eb559
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
FreeResource
SizeofResource
LockResource
LoadResource
FindResourceW
GetEnvironmentVariableW
SetFilePointer
CreateFileW
CloseHandle
ReadFile
SystemTimeToFileTime
GetCurrentDirectoryW
LocalFileTimeToFileTime
MultiByteToWideChar
CreateDirectoryW
GetFileAttributesW
SetFileTime
WriteFile
GetModuleHandleW
GetStartupInfoW
user32
wsprintfW
shell32
ShellExecuteW
msvcrt.dll.
_XcptFilter
??2@YAPAXI@Z
__CxxFrameHandler
??0exception@@QAE@ABV0@@Z
??1exception@@UAE@XZ
_CxxThrowException
calloc
free
malloc
wcscat
wcslen
wcscpy
wcsstr
_exit
??0exception@@QAE@ABQBD@Z
exit
_wcmdln
__wgetmainargs
_initterm
__setusermatherr
_adjust_fdiv
__p__commode
__p__fmode
__set_app_type
_except_handler3
??1type_info@@UAE@XZ
_controlfp
Sections
oye Size: 1024B - Virtual size: 592B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 47KB - Virtual size: 46KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1.6MB - Virtual size: 1.6MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ