xworm | XWormClient[.]exe

General

Target
XWormClient.exe
Size 431KB
Sample261107-rnj53sfb56
SHA256 a07247afb650bb2a0fd763d0bdde2001d8180791d167772b448fc4b1a7dd53f7
MD5 46eae29c1f29a9c5086f74be5bfee63c
SHA1 84bf107f2c4445d7d74d1a981124a2f8ec96c2c3
SHA512 7b13f3e7b5ce194dc8715e4035c99a9ee69699d5028269827c7a81a93964ec230e209d9977b33916640957135a72d5a2fb4b19d32d81ccbcfd1c572c923965e8
SSDEEP 6144:UsLqdufVUNDa4o9s+GIIIIIIIhIIIIIIIIIIIIIIIUA:PFUNDatA
TLSH
T10E94B6612A050E7DEFE0BA74EBDD936523A12E51027758CF23D03F8A3533D43BAA9156
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

trojan rat xworm

Malware Config

Signatures

Family: Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Detect Xworm Payload 1 IoCs

resource	yara_rule
sample	family_xworm

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
XWormClient.exe

File Explorer

XWormClient.exe

.exe 431KB

XWormClient.exe

IMPHASH 8c16c795b57934183422be5f6df7d891
SHA256 a07247afb650bb2a0fd763d0bdde2001d8180791d167772b448fc4b1a7dd53f7
MD5 46eae29c1f29a9c5086f74be5bfee63c
SHA1 84bf107f2c4445d7d74d1a981124a2f8ec96c2c3
SHA512 7b13f3e7b5ce194dc8715e4035c99a9ee69699d5028269827c7a81a93964ec230e209d9977b33916640957135a72d5a2fb4b19d32d81ccbcfd1c572c923965e8
SSDEEP 6144:UsLqdufVUNDa4o9s+GIIIIIIIhIIIIIIIIIIIIIIIUA:PFUNDatA
TLSH
T10E94B6612A050E7DEFE0BA74EBDD936523A12E51027758CF23D03F8A3533D43BAA9156
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Detect Xworm Payload
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

0

Major OS version

4

Entry point

10508

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

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