r77 | a2c7b7cc8423b1efec7868a8448730790a86a5fe45603441ed492131d197adeb

General

Target
a2c7b7cc8423b1efec7868a8448730790a86a5fe45603441ed492131d197adeb
Size 1.2MB
Sample240306-2c6j2sca5w
SHA256 a2c7b7cc8423b1efec7868a8448730790a86a5fe45603441ed492131d197adeb
MD5 da0bcec014e398e3faba845bd73cfbda
SHA1 af957f165473b0ad284f0ecaa22aceada86c981d
SHA512 f315030eed014bc206b44c5854d66b8cf4f13679308d4a7260fa36291634290dc363be644d3f93aef89e558e078db15aa502a181487ad4470ffb61b9325cecb1
SSDEEP 24576:PFOa+uxkXWtPcZztujn7z3LG5KuRgPKvbJ7QDS9+uot:tNkXWNcRtuz7GI3yvV79a
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

r77

Malware Config

Signatures

R77 family
r77

r77 rootkit payload 1 IoCs

Detects the payload of the r77 rootkit.

resource	yara_rule
sample	r77_payload

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
a2c7b7cc8423b1efec7868a8448730790a86a5fe45603441ed492131d197adeb

File Explorer

a2c7b7cc8423b1efec7868a8448730790a86a5fe45603441ed492131d197adeb

.exe 1.2MB

a2c7b7cc8423b1efec7868a8448730790a86a5fe45603441ed492131d197adeb

IMPHASH 8c16c795b57934183422be5f6df7d891
SHA256 a2c7b7cc8423b1efec7868a8448730790a86a5fe45603441ed492131d197adeb
MD5 da0bcec014e398e3faba845bd73cfbda
SHA1 af957f165473b0ad284f0ecaa22aceada86c981d
SHA512 f315030eed014bc206b44c5854d66b8cf4f13679308d4a7260fa36291634290dc363be644d3f93aef89e558e078db15aa502a181487ad4470ffb61b9325cecb1
SSDEEP 24576:PFOa+uxkXWtPcZztujn7z3LG5KuRgPKvbJ7QDS9+uot:tNkXWNcRtuz7GI3yvV79a
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

r77 rootkit payload

Detects the payload of the r77 rootkit.
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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