umbral | UNBANNED-GG-PERM-10-18-23[.]rar

General

Target
UNBANNED-GG-PERM-10-18-23.rar
Size 180KB
Sample240602-cbjlfsfe44
SHA256 5e9b07ad114b05286b58dc0e888e3aa102d207a1beac3d90a32518d837b2887f
MD5 4daaa0647664f656f9028dee3651116e
SHA1 5ae3a1b02b8452f7848ebc5b350a0d182ad003d7
SHA512 a9c015770af3757c62f0c37dc445fee1c8981440d3e57de0fad3071d052b0d0081c3d626b7795e151d6e970aa332d0364074ab8db14fd4908ad444ebcaf8f7dd
SSDEEP 3072:Bg5CA8G++T5CTCRf85k2HSWstiwB084VED5s/pqlv8TaIjtGu:BE55CTQf85k/t7MVlnTaIz
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

umbral

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
static1/unpack001/UNBANNED-GG-PERM-10-18-23/loader.exe	family_umbral

Umbral family
umbral

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/UNBANNED-GG-PERM-10-18-23/loader.exe

File Explorer

UNBANNED-GG-PERM-10-18-23.rar

.rar 180KB
UNBANNED-GG-PERM-10-18-23/Font.ttf

154KB
UNBANNED-GG-PERM-10-18-23/loader.exe

.exe 365KB

UNBANNED-GG-PERM-10-18-23.rar

SHA256 5e9b07ad114b05286b58dc0e888e3aa102d207a1beac3d90a32518d837b2887f
MD5 4daaa0647664f656f9028dee3651116e
SHA1 5ae3a1b02b8452f7848ebc5b350a0d182ad003d7
SHA512 a9c015770af3757c62f0c37dc445fee1c8981440d3e57de0fad3071d052b0d0081c3d626b7795e151d6e970aa332d0364074ab8db14fd4908ad444ebcaf8f7dd
SSDEEP 3072:Bg5CA8G++T5CTCRf85k2HSWstiwB084VED5s/pqlv8TaIjtGu:BE55CTQf85k/t7MVlnTaIz
MD5 SHA1 SHA512 SSDEEP

UNBANNED-GG-PERM-10-18-23/loader.exe

IMPHASH 8c16c795b57934183422be5f6df7d891
SHA256 20be105c4a33ebf77ef4db7e8b6ebbb39b156fe1dd16473a7255903f33b76846
MD5 cbd720ad4f7be1c099ec22f56ee61dd6
SHA1 9989030c7ea1756e1834c464688d418e773919fc
SHA512 2ad87fdf5046be22eec58fe71326ab0bcc2a2ca019e1b5519ec1ecbdfbb83731a254c7f400ca48cacb9917da6c85d41a913aa0f8f5b21408a3f2d1e8895e9740
SSDEEP 6144:UsLqdufVUNDa4loZM3fsXtioRkts/cnnK6cMlibJksyVtGXTOMdRYspb8e1m+Fii:PFUNDamoZ1tlRk83MlibJksyVtGXTOMX
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

Detect Umbral 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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