Report - R3nzSkin_Injector.exe

Malicious Library PE File PE64 .NET EXE
ScreenShot
Created 2024.09.03 09:30 Machine s1_win7_x6403
Filename R3nzSkin_Injector.exe
Type PE32+ executable (GUI) x86-64 Mono/.Net assembly, for MS Windows
AI Score
2
Behavior Score
4.6
ZERO API file : malware
VT API (file) 51 detected (AIDetectMalware, DllInject, malicious, high confidence, PWSZbot, Jalapeno, Unsafe, Heracles, Vmh4, Attribute, HighConfidence, AGen, MZ potentially unsafe, GenericRXAA, TrojanX, MSILHeracles, CLOUD, DllInjectAGen, R002C0DDE24, Generic Reputation PUA, Static AI, Malicious PE, Detected, ai score=80, Sabsik, DllInjector, 609w+oO9o, susgen, confidence)
md5 8af17734385f55dc58f1ca38bce22312
sha256 ea034d7b08a538f827293c3b0742d4c178708afdfd0f45d47cad99967b311a97
ssdeep 6144:fj7Q2Fnv3OcLHF1ZVTc0/YxuQOPLnrU1ZE2pkLPVQW13fe0I2028fOTMK+epwMg3:fj7dOqZVTc0/YxvOPLnrU1ZE2pkLPVQe
imphash 2c3ed07dfb34c79124a4487410d8e0bd
impfuzzy 96:koo21hqiMDeLM2mvMskULmo1/lgljjcebrvkxUX5BxH03CNO48bk9x8vJOwD2:ddra/glUe3j0S8b4p
  Network IP location

Signature (11cnts)

Level Description
danger File has been identified by 51 AntiVirus engines on VirusTotal as malicious
watch Attempts to create or modify system certificates
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks adapter addresses which can be used to detect virtual network interfaces
notice Foreign language identified in PE resource
notice Performs some HTTP requests
notice The binary likely contains encrypted or compressed data indicative of a packer
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info Collects information to fingerprint the system (MachineGuid
info The executable contains unknown PE section names indicative of a packer (could be a false positive)

Rules (4cnts)

Level Name Description Collection
watch Malicious_Library_Zero Malicious_Library binaries (upload)
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE64 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)

Network (3cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
https://api.github.com/repos/R3nzTheCodeGOD/R3nzSkin/releases/latest US MICROSOFT-CORP-MSN-AS-BLOCK 20.200.245.245 clean
api.github.com US MICROSOFT-CORP-MSN-AS-BLOCK 20.200.245.245 clean
20.200.245.245 US MICROSOFT-CORP-MSN-AS-BLOCK 20.200.245.245 clean

Suricata ids

PE API

IAT(Import Address Table) Library

MSVCP140.dll
 0x14001a058 ?_Gnavail@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBA_JXZ
 0x14001a060 ?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
 0x14001a068 ?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
 0x14001a070 ?_Gninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
 0x14001a078 ?egptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
 0x14001a080 ?_Gndec@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
 0x14001a088 ?gptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
 0x14001a090 ?_Pnavail@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBA_JXZ
 0x14001a098 ?pbump@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXH@Z
 0x14001a0a0 _Strcoll
 0x14001a0a8 _Strxfrm
 0x14001a0b0 ?_Throw_C_error@std@@YAXH@Z
 0x14001a0b8 ?_Throw_Cpp_error@std@@YAXH@Z
 0x14001a0c0 _Thrd_detach
 0x14001a0c8 _Cnd_do_broadcast_at_thread_exit
 0x14001a0d0 ?id@?$collate@D@std@@2V0locale@2@A
 0x14001a0d8 ?gbump@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXH@Z
 0x14001a0e0 ?id@?$ctype@D@std@@2V0locale@2@A
 0x14001a0e8 ?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
 0x14001a0f0 ?_Decref@facet@locale@std@@UEAAPEAV_Facet_base@3@XZ
 0x14001a0f8 ?_Incref@facet@locale@std@@UEAAXXZ
 0x14001a100 ?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
 0x14001a108 ?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
 0x14001a110 ?_Xlength_error@std@@YAXPEBD@Z
 0x14001a118 ?_Init@locale@std@@CAPEAV_Locimp@12@_N@Z
 0x14001a120 ?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
 0x14001a128 ?_Xbad_alloc@std@@YAXXZ
 0x14001a130 ?eback@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
 0x14001a138 ?setg@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
 0x14001a140 ?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
 0x14001a148 ?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAPEAD0PEAH001@Z
 0x14001a150 ??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
 0x14001a158 ??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
 0x14001a160 ?_Getcoll@_Locinfo@std@@QEBA?AU_Collvec@@XZ
 0x14001a168 ?_Xregex_error@std@@YAXW4error_type@regex_constants@1@@Z
 0x14001a170 _Xtime_get_ticks
 0x14001a178 _Query_perf_frequency
 0x14001a180 _Query_perf_counter
 0x14001a188 ?always_noconv@codecvt_base@std@@QEBA_NXZ
 0x14001a190 ?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
 0x14001a198 ??0facet@locale@std@@IEAA@_K@Z
 0x14001a1a0 ??1facet@locale@std@@MEAA@XZ
 0x14001a1a8 ?is@?$ctype@D@std@@QEBA_NFD@Z
 0x14001a1b0 ?tolower@?$ctype@D@std@@QEBADD@Z
 0x14001a1b8 ??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
 0x14001a1c0 ??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
 0x14001a1c8 ??0_Lockit@std@@QEAA@H@Z
 0x14001a1d0 ??Bid@locale@std@@QEAA_KXZ
 0x14001a1d8 ?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
 0x14001a1e0 ??1_Lockit@std@@QEAA@XZ
 0x14001a1e8 ?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
 0x14001a1f0 ?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
 0x14001a1f8 ?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
 0x14001a200 _Thrd_sleep
 0x14001a208 ?c_str@?$_Yarn@D@std@@QEBAPEBDXZ
 0x14001a210 ??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
 0x14001a218 ??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
 0x14001a220 ?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
 0x14001a228 ??0_Locinfo@std@@QEAA@PEBD@Z
 0x14001a230 ??1_Locinfo@std@@QEAA@XZ
 0x14001a238 ?tolower@?$ctype@D@std@@QEBAPEBDPEADPEBD@Z
 0x14001a240 ?pptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
 0x14001a248 ?epptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
 0x14001a250 ?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
 0x14001a258 ?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
api-ms-win-crt-heap-l1-1-0.dll
 0x14001a2f8 realloc
 0x14001a300 malloc
 0x14001a308 free
 0x14001a310 _callnewh
api-ms-win-crt-runtime-l1-1-0.dll
 0x14001a320 _cexit
 0x14001a328 terminate
 0x14001a330 _beginthreadex
 0x14001a338 abort
 0x14001a340 _invalid_parameter_noinfo_noreturn
VCRUNTIME140.dll
 0x14001a268 __current_exception_context
 0x14001a270 __current_exception
 0x14001a278 _CxxThrowException
 0x14001a280 __std_exception_destroy
 0x14001a288 __std_exception_copy
 0x14001a290 memcpy
 0x14001a298 __FrameUnwindFilter
 0x14001a2a0 __CxxUnregisterExceptionObject
 0x14001a2a8 __CxxDetectRethrow
 0x14001a2b0 __CxxRegisterExceptionObject
 0x14001a2b8 __CxxExceptionFilter
 0x14001a2c0 __CxxQueryExceptionSize
 0x14001a2c8 strchr
 0x14001a2d0 memmove
KERNEL32.dll
 0x14001a020 Sleep
 0x14001a028 GetSystemTimeAsFileTime
 0x14001a030 GetCurrentThreadId
 0x14001a038 GetCurrentProcessId
 0x14001a040 QueryPerformanceCounter
 0x14001a048 WideCharToMultiByte
ADVAPI32.dll
 0x14001a000 LookupPrivilegeValueW
 0x14001a008 OpenProcessToken
 0x14001a010 AdjustTokenPrivileges
api-ms-win-crt-stdio-l1-1-0.dll
 0x14001a350 fgetc
 0x14001a358 _get_stream_buffer_pointers
 0x14001a360 fwrite
 0x14001a368 fclose
 0x14001a370 fflush
 0x14001a378 setvbuf
 0x14001a380 fsetpos
 0x14001a388 fgetpos
 0x14001a390 fread
 0x14001a398 _fseeki64
 0x14001a3a0 ungetc
 0x14001a3a8 fputc
api-ms-win-crt-filesystem-l1-1-0.dll
 0x14001a2e0 _lock_file
 0x14001a2e8 _unlock_file
api-ms-win-crt-time-l1-1-0.dll
 0x14001a3b8 _time64
api-ms-win-crt-utility-l1-1-0.dll
 0x14001a3c8 srand
mscoree.dll
 0x14001a3d8 _CorExeMain

EAT(Export Address Table) is none



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