mofksys | 4bfd2bb26299979d7c3b8d4d9aa418e8a0af770a9bdacdb5bb124ff20d6fbaca

General

Target
4bfd2bb26299979d7c3b8d4d9aa418e8a0af770a9bdacdb5bb124ff20d6fbaca
Size 256KB
Sample260826-tlcdkasbme
SHA256 4bfd2bb26299979d7c3b8d4d9aa418e8a0af770a9bdacdb5bb124ff20d6fbaca
MD5 c4272e50c341a114ae6127bc5f747389
SHA1 47f86fb2af17b007de0e152f3a2d2bd5cc0be6ee
SHA512 42471b08dd014bdd15e9c16d6f83e796b9745cc22058b157b1304e4276d11af36a71e0afcea03482cdb770f62524a0a2733cb124665ce0120cea54f62f4f21c1
SSDEEP 6144:aSkWXV9wUezUroW+tCmCCfNGYVVVVVVVVVVVVVVf:EAUW+AmvfNGi
TLSH
T1A5442C235B04756EE837CAB1086EA62675512E3B0EA29C4B73C1AF183875953B5F133F
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
4bfd2bb26299979d7c3b8d4d9aa418e8a0af770a9bdacdb5bb124ff20d6fbaca

File Explorer

4bfd2bb26299979d7c3b8d4d9aa418e8a0af770a9bdacdb5bb124ff20d6fbaca

.exe 256KB

4bfd2bb26299979d7c3b8d4d9aa418e8a0af770a9bdacdb5bb124ff20d6fbaca

IMPHASH c15737f8c755f9044ac853318e8d6e15
SHA256 4bfd2bb26299979d7c3b8d4d9aa418e8a0af770a9bdacdb5bb124ff20d6fbaca
MD5 c4272e50c341a114ae6127bc5f747389
SHA1 47f86fb2af17b007de0e152f3a2d2bd5cc0be6ee
SHA512 42471b08dd014bdd15e9c16d6f83e796b9745cc22058b157b1304e4276d11af36a71e0afcea03482cdb770f62524a0a2733cb124665ce0120cea54f62f4f21c1
SSDEEP 6144:aSkWXV9wUezUroW+tCmCCfNGYVVVVVVVVVVVVVVf:EAUW+AmvfNGi
TLSH
T1A5442C235B04756EE837CAB1086EA62675512E3B0EA29C4B73C1AF183875953B5F133F
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

12440

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 __vbaLateIdCall __vbaLenBstr __vbaPut3 __vbaEnd __vbaFreeVarList _adj_fdiv_m64 __vbaPut4 EVENT_SINK_Invoke __vbaRaiseEvent __vbaFreeObjList ord516 __vbaStrErrVarCopy ord517 _adj_fprem1 __vbaRecAnsiToUni ord519 __vbaCopyBytes __vbaStrCat __vbaLsetFixstr __vbaRecDestruct __vbaSetSystemError __vbaHresultCheckObj __vbaNameFile _adj_fdiv_m32 __vbaAryVar Zombie_GetTypeInfo __vbaAryDestruct ord593 __vbaBoolStr __vbaExitProc __vbaI4Abs ord594 __vbaOnError __vbaObjSet _adj_fdiv_m16i __vbaObjSetAddref _adj_fdivr_m16i ord598 __vbaFpR4 __vbaStrFixstr _CIsin __vbaErase ord709 ord631 ord525 __vbaChkstk __vbaFileClose EVENT_SINK_AddRef __vbaGenerateBoundsError __vbaGet3 ord529 __vbaStrCmp __vbaGet4 __vbaPutOwner3 __vbaAryConstruct2 __vbaVarTstEq __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 __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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