Report - munqk.exe

Gen1 UPX Malicious Library Malicious Packer Admin Tool (Sysinternals etc ...) PE File PE32
ScreenShot
Created 2023.06.14 09:50 Machine s1_win7_x6401
Filename munqk.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
2
Behavior Score
2.6
ZERO API file : malware
VT API (file) 25 detected (AIDetectMalware, Tedy, Save, malicious, high confidence, ESAP, RATX, moderate, score, ai score=87, Pony, Detected, DcRat, dHsoB4Jq8qS)
md5 19b622abb084dd8e156e0c28b43f4581
sha256 26bc3f623a9937fe3f33af5039cc6a09b9e33ac1fcfc2b7a282529ee9caa4ff1
ssdeep 6144:dWTmPFFV0JPoPT5HYWXoDokZ+CpO3jMoHACVlngcguHVUz9KHVUz94GZG7MAyAZ2:d10JQDo8kZ+CM3jaCVlgLZ8TZ2
imphash b5021d1aa9c0e8c53e70d010fff13eee
impfuzzy 96:nmOAz/lxQGEwQZUfPbTRu+RBGkFxNxOJJxn99XCv2o6TcwxggSdB6mIUYeGMEI4N:nOF/nHA/LxsBc91
  Network IP location

Signature (6cnts)

Level Description
warning File has been identified by 25 AntiVirus engines on VirusTotal as malicious
watch Installs itself for autorun at Windows startup
notice Allocates read-write-execute memory (usually to unpack itself)
notice Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time)
info One or more processes crashed
info The file contains an unknown PE resource name possibly indicative of a packer

Rules (7cnts)

Level Name Description Collection
danger Win32_Trojan_Gen_1_0904B0_Zero Win32 Trojan Emotet binaries (upload)
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (upload)
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch Malicious_Packer_Zero Malicious Packer binaries (upload)
watch UPX_Zero UPX packed file binaries (upload)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)

Network (2cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
raw.githubusercontent.com US FASTLY 185.199.111.133 malware
185.199.108.133 US FASTLY 185.199.108.133 mailcious

Suricata ids

PE API

IAT(Import Address Table) Library

MSVBVM60.DLL
 0x401000 __vbaVarTstGt
 0x401004 __vbaVarSub
 0x401008 __vbaStrI2
 0x40100c _CIcos
 0x401010 _adj_fptan
 0x401014 __vbaVarMove
 0x401018 __vbaStrI4
 0x40101c __vbaAryMove
 0x401020 __vbaFreeVar
 0x401024 __vbaLateIdCall
 0x401028 __vbaLineInputStr
 0x40102c __vbaStrVarMove
 0x401030 __vbaLenBstr
 0x401034 __vbaEnd
 0x401038 __vbaFreeVarList
 0x40103c _adj_fdiv_m64
 0x401040 __vbaFreeObjList
 0x401044 None
 0x401048 _adj_fprem1
 0x40104c __vbaRecAnsiToUni
 0x401050 __vbaResume
 0x401054 __vbaStrCat
 0x401058 None
 0x40105c __vbaLsetFixstr
 0x401060 __vbaWriteFile
 0x401064 __vbaSetSystemError
 0x401068 __vbaHresultCheckObj
 0x40106c None
 0x401070 _adj_fdiv_m32
 0x401074 __vbaAryVar
 0x401078 None
 0x40107c None
 0x401080 __vbaAryDestruct
 0x401084 None
 0x401088 __vbaVarForInit
 0x40108c __vbaExitProc
 0x401090 None
 0x401094 __vbaObjSet
 0x401098 None
 0x40109c __vbaOnError
 0x4010a0 _adj_fdiv_m16i
 0x4010a4 __vbaObjSetAddref
 0x4010a8 _adj_fdivr_m16i
 0x4010ac None
 0x4010b0 __vbaFpR4
 0x4010b4 __vbaBoolVar
 0x4010b8 None
 0x4010bc None
 0x4010c0 __vbaBoolVarNull
 0x4010c4 __vbaFpR8
 0x4010c8 _CIsin
 0x4010cc None
 0x4010d0 None
 0x4010d4 __vbaChkstk
 0x4010d8 None
 0x4010dc __vbaFileClose
 0x4010e0 EVENT_SINK_AddRef
 0x4010e4 None
 0x4010e8 __vbaGenerateBoundsError
 0x4010ec None
 0x4010f0 __vbaGet3
 0x4010f4 __vbaStrCmp
 0x4010f8 __vbaAryConstruct2
 0x4010fc __vbaGet4
 0x401100 __vbaVarTstEq
 0x401104 __vbaObjVar
 0x401108 __vbaVarLikeVar
 0x40110c __vbaI2I4
 0x401110 DllFunctionCall
 0x401114 __vbaVarLateMemSt
 0x401118 __vbaCastObjVar
 0x40111c __vbaStrR4
 0x401120 _adj_fpatan
 0x401124 __vbaR4Var
 0x401128 __vbaFixstrConstruct
 0x40112c __vbaLateIdCallLd
 0x401130 __vbaRedim
 0x401134 __vbaRecUniToAnsi
 0x401138 EVENT_SINK_Release
 0x40113c None
 0x401140 __vbaUI1I2
 0x401144 _CIsqrt
 0x401148 EVENT_SINK_QueryInterface
 0x40114c __vbaVarMul
 0x401150 __vbaExceptHandler
 0x401154 None
 0x401158 __vbaInputFile
 0x40115c __vbaPrintFile
 0x401160 __vbaStrToUnicode
 0x401164 _adj_fprem
 0x401168 _adj_fdivr_m64
 0x40116c __vbaI2Str
 0x401170 __vbaVarDiv
 0x401174 None
 0x401178 None
 0x40117c None
 0x401180 __vbaFPException
 0x401184 None
 0x401188 __vbaStrVarVal
 0x40118c __vbaVarCat
 0x401190 None
 0x401194 None
 0x401198 __vbaLsetFixstrFree
 0x40119c __vbaI2Var
 0x4011a0 None
 0x4011a4 __vbaStopExe
 0x4011a8 None
 0x4011ac None
 0x4011b0 _CIlog
 0x4011b4 __vbaErrorOverflow
 0x4011b8 __vbaFileOpen
 0x4011bc __vbaR8Str
 0x4011c0 __vbaVar2Vec
 0x4011c4 __vbaVarLateMemCallLdRf
 0x4011c8 None
 0x4011cc None
 0x4011d0 __vbaNew2
 0x4011d4 __vbaInStr
 0x4011d8 __vbaCyMulI2
 0x4011dc None
 0x4011e0 _adj_fdiv_m32i
 0x4011e4 _adj_fdivr_m32i
 0x4011e8 __vbaStrCopy
 0x4011ec __vbaVarNot
 0x4011f0 __vbaFreeStrList
 0x4011f4 None
 0x4011f8 _adj_fdivr_m32
 0x4011fc _adj_fdiv_r
 0x401200 None
 0x401204 None
 0x401208 None
 0x40120c __vbaVarTstNe
 0x401210 None
 0x401214 __vbaVarSetVar
 0x401218 __vbaI4Var
 0x40121c None
 0x401220 __vbaLateMemCall
 0x401224 __vbaAryLock
 0x401228 __vbaVarAdd
 0x40122c None
 0x401230 __vbaVarDup
 0x401234 __vbaStrToAnsi
 0x401238 None
 0x40123c __vbaFpI2
 0x401240 None
 0x401244 __vbaFpI4
 0x401248 __vbaVarLateMemCallLd
 0x40124c __vbaVarCopy
 0x401250 __vbaLateMemCallLd
 0x401254 None
 0x401258 _CIatan
 0x40125c __vbaAryCopy
 0x401260 __vbaUI1Str
 0x401264 __vbaCastObj
 0x401268 __vbaStrMove
 0x40126c __vbaI4Cy
 0x401270 None
 0x401274 __vbaR8IntI4
 0x401278 __vbaStrVarCopy
 0x40127c _allmul
 0x401280 __vbaLateIdSt
 0x401284 None
 0x401288 _CItan
 0x40128c __vbaAryUnlock
 0x401290 __vbaVarForNext
 0x401294 _CIexp
 0x401298 __vbaMidStmtBstr
 0x40129c __vbaFreeStr
 0x4012a0 __vbaFreeObj
 0x4012a4 None

EAT(Export Address Table) is none



Similarity measure (PE file only) - Checking for service failure