mofksys | 543f44441b581cd9[.]exe

General

Target
543f44441b581cd9.exe
Size 206KB
Sample261111-2nr6sscd83
SHA256 543f44441b581cd96a4d0d295b213be8429d98fb42afa187058e8dff428f7b6d
MD5 19cb653f16093cfaa222b95cd655a177
SHA1 f0d6cd2e6cb9581ef434ce30dedaebe6fed43ac1
SHA512 319d79e36ff7d186c45681c33510a75c403c86cc603b9b2464b6000879f1512b10224eb9bf91104447af63e29fb096e66915fad7a9848ba5d5964129c88bdf59
SSDEEP 3072:5vEfVUzSLhIVbV6i5LirrlZrHyrUHUckoMQ2RN6unGd:5vEN2U+T6i5LirrllHy4HUcMQY6Jd
TLSH
T17124E82BFA40B17FD4A7C6F0582572A6BA252D621B90DC4F22D26F463876543B6F130F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

worm mofksys

Malware Config

Signatures

Family: Mofksys
Mofksys is a worm written in VisualBasic.
worm mofksys

Detects Mofksys worm 1 IoCs

resource	yara_rule
sample	family_mofksys

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
543f44441b581cd9.exe

File Explorer

543f44441b581cd9.exe

.exe 206KB

543f44441b581cd9.exe

IMPHASH 98f67c550a7da65513e63ffd998f6b2e
SHA256 543f44441b581cd96a4d0d295b213be8429d98fb42afa187058e8dff428f7b6d
MD5 19cb653f16093cfaa222b95cd655a177
SHA1 f0d6cd2e6cb9581ef434ce30dedaebe6fed43ac1
SHA512 319d79e36ff7d186c45681c33510a75c403c86cc603b9b2464b6000879f1512b10224eb9bf91104447af63e29fb096e66915fad7a9848ba5d5964129c88bdf59
SSDEEP 3072:5vEfVUzSLhIVbV6i5LirrlZrHyrUHUckoMQ2RN6unGd:5vEN2U+T6i5LirrllHy4HUcMQY6Jd
TLSH
T17124E82BFA40B17FD4A7C6F0582572A6BA252D621B90DC4F22D26F463876543B6F130F
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Detects Mofksys worm
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

0

Major OS version

4

Entry point

13936

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE

PDB paths

msvbvm60

EVENT_SINK_GetIDsOfNames __vbaStrI2 ord690 _CIcos _adj_fptan __vbaStrI4 __vbaVarVargNofree __vbaFreeVar __vbaStrVarMove __vbaLenBstr __vbaLateIdCall __vbaPut3 __vbaEnd __vbaFreeVarList _adj_fdiv_m64 __vbaPut4 EVENT_SINK_Invoke __vbaRaiseEvent __vbaFreeObjList ord516 __vbaStrErrVarCopy ord517 _adj_fprem1 __vbaRecAnsiToUni ord519 __vbaCopyBytes __vbaStrCat __vbaLsetFixstr __vbaRecDestruct __vbaSetSystemError ord661 __vbaHresultCheckObj __vbaNameFile _adj_fdiv_m32 __vbaAryVar Zombie_GetTypeInfo __vbaAryDestruct ord669 ord593 __vbaBoolStr __vbaExitProc __vbaI4Abs ord594 __vbaOnError __vbaObjSet _adj_fdiv_m16i __vbaObjSetAddref _adj_fdivr_m16i ord598 __vbaFpR4 ord705 __vbaStrFixstr _CIsin __vbaErase ord631 ord709 ord525 __vbaChkstk __vbaFileClose EVENT_SINK_AddRef __vbaGenerateBoundsError __vbaGet3 __vbaStrCmp ord529 __vbaGet4 __vbaPutOwner3 __vbaVarTstEq __vbaAryConstruct2 __vbaObjVar __vbaI2I4 DllFunctionCall __vbaVarLateMemSt __vbaFpUI1 __vbaRedimPreserve __vbaStrR4 _adj_fpatan __vbaFixstrConstruct __vbaLateIdCallLd Zombie_GetTypeInfoCount __vbaRedim __vbaRecUniToAnsi EVENT_SINK_Release __vbaNew ord600 __vbaUI1I2 _CIsqrt EVENT_SINK_QueryInterface __vbaExceptHandler ord711 ord712 __vbaStrToUnicode ord606 _adj_fprem _adj_fdivr_m64 ord714 ord716 ord609 __vbaFPException ord717 ord319 __vbaGetOwner3 __vbaUbound ord535 __vbaFileSeek ord644 ord537 _CIlog __vbaErrorOverflow __vbaFileOpen __vbaVarLateMemCallLdRf ord648 ord570 __vbaNew2 __vbaInStr _adj_fdiv_m32i ord572 _adj_fdivr_m32i __vbaStrCopy __vbaI4Str __vbaFreeStrList _adj_fdivr_m32 _adj_fdiv_r ord578 ord100 __vbaVarSetVar __vbaI4Var ord689 __vbaLateMemCall __vbaVarAdd ord611 __vbaAryLock ord320 __vbaStrComp __vbaVarDup __vbaStrToAnsi ord321 __vbaFpI2 __vbaFpI4 __vbaVarLateMemCallLd ord616 __vbaVarSetObjAddref __vbaRecDestructAnsi __vbaLateMemCallLd _CIatan __vbaAryCopy __vbaStrMove ord618 __vbaCastObj __vbaR8IntI4 ord650 _allmul __vbaVarLateMemCallSt _CItan ord546 __vbaAryUnlock _CIexp __vbaFreeObj __vbaFreeStr ord580 ord581

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