Static task
static1
Behavioral task
behavioral1
Sample
8c638bb91e8774f161bd3ad8c1a1661b.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8c638bb91e8774f161bd3ad8c1a1661b.exe
Resource
win10v2004-20231215-en
General
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Target
8c638bb91e8774f161bd3ad8c1a1661b
-
Size
84KB
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MD5
8c638bb91e8774f161bd3ad8c1a1661b
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SHA1
90603855203842761bc10acae8d3e8cdc0de87fa
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SHA256
e8f5d9fb8bc06044c2153d08d0667e211c61c9d78ede1b83fd296b697b51bd88
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SHA512
1058e1c35b9124b7c1f307e28598881051ef9ffb7e89ef8ce2d873c07081827941120dddacb13bc24d6cbb29f4431d44c4bdc512e5043222a999e91469f6c0bf
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SSDEEP
1536:/Wkd9GbBWZC25qcY1RKnx4xK0C1CeK4QKANazj8fL+7A2IF6IUbDGPOpWP7kVaRE:ekd9GbB8C2YcY1RY4xdC15Kv5yILnh84
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 8c638bb91e8774f161bd3ad8c1a1661b
Files
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8c638bb91e8774f161bd3ad8c1a1661b.exe windows:5 windows x86 arch:x86
2e9c5ec925f9c22d544c990d36a7e4da
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
msvcirt
??_8ofstream@@7B@
??0ofstream@@QAE@XZ
?open@ofstream@@QAEXPBDHH@Z
?lockbuf@ios@@QAAXXZ
?xsgetn@streambuf@@UAEHPADH@Z
??1Iostream_init@@QAE@XZ
??_7ifstream@@6B@
?write@ostream@@QAEAAV1@PBDH@Z
??_7strstreambuf@@6B@
?get@istream@@QAEAAV1@AAC@Z
?underflow@strstreambuf@@UAEHXZ
?setb@streambuf@@IAEXPAD0H@Z
??0strstreambuf@@QAE@ABV0@@Z
?sync@filebuf@@UAEHXZ
??6ostream@@QAEAAV0@E@Z
query
?AddCatalog@CMachineAdmin@@QAEXPBG0@Z
InitializeCIPerformanceData
?SystemExceptionTranslator@@YAXIPAU_EXCEPTION_POINTERS@@@Z
?Marshall@CPropNameArray@@QBEXAAVPSerStream@@@Z
?FormFullTree@CTextToTree@@QAEPAUtagDBCOMMANDTREE@@XZ
?AddRef@CEmptyPropertyList@@UAGKXZ
?Next@CCombinedPropertyList@@UAEPBVCPropEntry@@XZ
?GetFileName@CPathParser@@QBEHPAGAAK@Z
?Copy@CDbProp@@QAEHABUtagDBPROP@@@Z
??0CInternalPropertyRestriction@@QAE@KKABVCStorageVariant@@PAVCRestriction@@@Z
?RefreshParams@CWorkQueue@@QAEXKK@Z
?CiNtOpen@@YGPAXPBGKKK@Z
??1CWorkQueue@@QAE@XZ
?AddEntry@CPropertyList@@UAEXPAVCPropEntry@@H@Z
?SetValue@CPropertyRestriction@@QAEXPAG@Z
?Marshall@CContentRestriction@@QBEXAAVPSerStream@@@Z
?ResetType@CAllocStorageVariant@@IAEXAAVPMemoryAllocator@@@Z
unimdmat
UmGetDiagnostics
UmMonitorModem
UmDuplicateDeviceHandle
UmInitModem
UmAnswerModem
UmSetPassthroughMode
UmDialModem
UmSetSpeakerPhoneState
UmAbortCurrentModemCommand
UmWaveAction
kernel32
GetSystemTimeAsFileTime
FatalAppExitA
InterlockedIncrement
QueryDepthSList
GetSystemDirectoryW
GetCurrentProcessId
SetConsoleInputExeNameW
SetFilePointer
SetConsoleTextAttribute
GetCurrentThreadId
LZDone
GetSystemTime
GetTickCount
QueryPerformanceCounter
VirtualAlloc
QueryDosDeviceA
SetConsoleTitleW
Module32First
GetModuleHandleW
LoadLibraryA
FindAtomW
DeactivateActCtx
GetMailslotInfo
RemoveDirectoryA
AddVectoredExceptionHandler
SetFileValidData
msvcp60
?pow@std@@YA?AV?$complex@O@1@ABV21@0@Z
??_7?$codecvt@GDH@std@@6B@
?max@?$numeric_limits@M@std@@SAMXZ
?_Getcat@?$codecvt@DDH@std@@SAIXZ
??_F?$basic_filebuf@DU?$char_traits@D@std@@@std@@QAEXXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z
??Kstd@@YA?AV?$complex@O@0@ABV10@ABO@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@PBDH@Z
?round_error@?$numeric_limits@I@std@@SAIXZ
??_D?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEXXZ
?conj@std@@YA?AV?$complex@O@1@ABV21@@Z
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QAE@ABV01@@Z
??_7bad_typeid@std@@6B@
??Hstd@@YA?AV?$complex@N@0@ABNABV10@@Z
?_Initcvt@?$basic_filebuf@GU?$char_traits@G@std@@@std@@IAEXXZ
Sections
.text Size: 31KB - Virtual size: 31KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 10KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 21KB - Virtual size: 83KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 20KB - Virtual size: 19KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 232B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ