Static task
static1
Behavioral task
behavioral1
Sample
MsgServer.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
MsgServer.exe
Resource
win10v2004-20230703-en
General
-
Target
MsgServer.exe
-
Size
272KB
-
MD5
e9763ab908698b9970019251cff699be
-
SHA1
e53ffec0d82770130e0f3764ef2359853036183f
-
SHA256
f79d8c021d830c4942c00583598fe875167cf55dbc84f6a6c769192c13fe9c38
-
SHA512
0b62cda0c33e08c452a90cc10e54e98d1bf9f757e1d3fd538265b323084ab49967eb920574e1cdb00a703fb134dec23e72b3160c4a431aef7c8c81fc0b448bf5
-
SSDEEP
6144:ZsP0WI6i5nzUalqoT2m+Yqv+7ZJvE3gRIdOT5U1Fwd12uS:a0WQ5neoTL+FkZRE3gRIdO0FM
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource MsgServer.exe
Files
-
MsgServer.exe.exe windows x86
25add54a3943cef96cfdd97224c97475
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
mfc42
ord1089
ord5199
ord2396
ord3346
ord5300
ord5302
ord4079
ord4698
ord5307
ord5289
ord5714
ord2982
ord3147
ord3259
ord4465
ord3136
ord3262
ord2985
ord3081
ord2976
ord3830
ord3831
ord3825
ord3079
ord4080
ord4622
ord4424
ord3738
ord561
ord815
ord665
ord641
ord2514
ord6117
ord1979
ord5442
ord5186
ord354
ord6883
ord798
ord926
ord6283
ord6282
ord1997
ord939
ord5465
ord5194
ord533
ord1200
ord924
ord4129
ord5683
ord2725
ord703
ord603
ord2454
ord1969
ord273
ord1643
ord403
ord6407
ord922
ord2820
ord3811
ord3318
ord3337
ord551
ord3663
ord3922
ord6877
ord2763
ord6930
ord6928
ord5710
ord5572
ord2915
ord941
ord5265
ord4376
ord4853
ord4998
ord6052
ord4078
ord1775
ord4407
ord5241
ord2385
ord5163
ord6374
ord4353
ord5280
ord3798
ord4837
ord4441
ord2648
ord2055
ord6376
ord3749
ord5065
ord1727
ord5261
ord2446
ord2124
ord5277
ord4627
ord4425
ord3597
ord3521
ord1146
ord1168
ord324
ord4234
ord4710
ord4287
ord6197
ord6378
ord2379
ord755
ord470
ord6453
ord4202
ord6402
ord6215
ord5440
ord6383
ord5450
ord6394
ord1871
ord4220
ord2584
ord3654
ord2863
ord2438
ord1644
ord5731
ord2512
ord2554
ord4486
ord6375
ord4274
ord2614
ord2764
ord535
ord6779
ord858
ord6648
ord540
ord635
ord317
ord801
ord541
ord4673
ord4278
ord800
ord860
ord2818
ord823
ord2077
ord2029
ord4919
ord791
ord523
ord967
ord1995
ord5479
ord5797
ord4975
ord4863
ord4335
ord4447
ord4411
ord2032
ord5482
ord5811
ord4779
ord5308
ord1925
ord537
ord2065
ord825
ord1576
msvcrt
_except_handler3
__set_app_type
__p__fmode
__p__commode
_adjust_fdiv
__setusermatherr
_initterm
__getmainargs
_acmdln
exit
_XcptFilter
_exit
_onexit
__dllonexit
_mbsstr
malloc
free
calloc
_beginthreadex
_mbsicmp
_endthreadex
atol
_setmbcp
__CxxFrameHandler
atoi
printf
_controlfp
_mbscmp
kernel32
OpenProcess
TerminateThread
lstrlenA
lstrcpyA
WaitForSingleObject
OpenMutexA
ReleaseMutex
GetVersion
SetFilePointer
CreateFileA
TerminateProcess
SystemTimeToFileTime
GetCurrentDirectoryA
LocalFileTimeToFileTime
CreateDirectoryA
GetFileAttributesA
SetFileTime
WriteFile
GetModuleHandleA
GetStartupInfoA
CreateToolhelp32Snapshot
Process32First
Process32Next
CloseHandle
GetLastError
GetComputerNameA
CreateMutexA
GetModuleFileNameA
DeleteFileA
GetTickCount
FreeLibrary
GetProcAddress
ReadFile
MultiByteToWideChar
Sleep
user32
GetCursorPos
TrackPopupMenu
IsWindow
KillTimer
IsIconic
GetSystemMetrics
GetClientRect
CheckMenuItem
EnableWindow
LoadIconA
SetTimer
RegisterWindowMessageA
SendMessageA
GetSubMenu
wsprintfA
LoadMenuA
DrawIcon
SetForegroundWindow
advapi32
RegSetValueExA
RegDeleteValueA
RegDeleteKeyA
RegCloseKey
CryptAcquireContextA
CryptCreateHash
CryptHashData
CryptDeriveKey
CryptDestroyHash
CryptEncrypt
CryptDestroyKey
CryptReleaseContext
RegCreateKeyExA
shell32
Shell_NotifyIconA
wsock32
ntohs
WSAGetLastError
recv
__WSAFDIsSet
select
gethostbyname
WSACleanup
WSAStartup
htons
htonl
shutdown
ntohl
shlwapi
PathFileExistsA
Sections
.text Size: 204KB - Virtual size: 203KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 28KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 28KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ