General

  • Target
    Full_version_repack.zip
  • Size 49.6MB
  • Sample251104-tb58wsdn6y
  • SHA256 b2ff65464943d289c66fa22abc2285c166893e3a087a6c4eae3b521bce0aaaf9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • hijackloader

Attributes
  • directory

    %APPDATA%\storehost_win64

  • inject_dll

    %windir%\SysWOW64\rasapi32.dll

xor.hex

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://87.120.219.26/CCZT7wMNnD29ie

Targets

    • Target
      BugSplat.dll
    • Size 296KB
    • SHA256 4b33ee0e8a4153c0c8ccd945adb18d8f91b5b824746a15986bf6781f081f9968
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      COMSupport.dll
    • Size 59KB
    • SHA256 b1038928a6da2a1b5064a27187403563f3ab7e8d4ec034dfa8d5d3f6be231191
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      DBGHelp.dll
    • Size 968KB
    • SHA256 c1275ddf04a0942b416c1a0b2d32003a4eda732c6f97c74181c236e35d12420f
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      DVDSetting.dll
    • Size 41KB
    • SHA256 718cfb5195d0e43e795627c781fb3f427856f1cf29f33eedbbc6059b6f214549
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      ExceptionHandler.dll
    • Size 128KB
    • SHA256 6036be1c9a8819998ad10879dff6c04edc787d34a142a3e0841c0fca36fb9c6e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      Installer.exe
    • Size 646.4MB
    • SHA256 aa5168c20c885a7a7778246f9de51f279b04615b8feafba5bccc33cb9ffbf92f
    • MD5 SHA1 SHA512 SSDEEP
    • ACR stealer,GrMsk

      ACR stealer (aka GrMsk stealer) is an infostealer written in C++.

    • Acrstealer family

    • Detects unpacked ACRstealer payload

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target
      Library/AdobeXMP.dll
    • Size 957KB
    • SHA256 f6e584a509a991c3eb11a8d49b705def6bd43761a4b603a2b3b3703fad179a30
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Library/AudioRenderer.dll
    • Size 798KB
    • SHA256 63055ae72febd0b1a1fe9e9adc21e0201e1888b10da552690de14928374ab658
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Library/AuraLayerManager.dll
    • Size 160KB
    • SHA256 13d6be93ec376cb7eaa7d585ddea23b0b46ea36a2ec99791d7b3c88cd4269c61
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      Library/Azure.Identity.dll
    • Size 304KB
    • SHA256 b3c7a521e3829de15bc8daf15c2cbf8e8cb5140f87f02834514d685b0a968956
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Library/BoxService.dll
    • Size 336KB
    • SHA256 56a903cd854f65bb7d8f27498f147ef20842e6576012cffe50d49f005b913681
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Library/GRINTL32.DLL
    • Size 203KB
    • SHA256 1b7eacf041fce0ef4b48ea3aa8afe885fab0324c7de51e07144ab4d4ee82c36e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Library/InkDiv.dll
    • Size 350KB
    • SHA256 fd6636fe33a757689eba4c8ad56a5b56fd4a972c24d907442d9e2a7559b99b88
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Library/Microsoft.AspNetCore.Mvc.Abstractions.dll
    • Size 262KB
    • SHA256 9bb1201305a99fc6be9a2d90daed5b8b9e8db9c54a183eae9bccac14227a3ca1
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Library/Microsoft.Azure.Management.PrivateDns.Fluent.dll
    • Size 265KB
    • SHA256 f30b0bd929e83cc5009060f8e11e2d85a0bc3da6d7e4a055ef7a7c96e3381c16
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Library/Microsoft.Build.Tasks.CodeAnalysis.dll
    • Size 250KB
    • SHA256 458cd882687fa33df36ed423606c5422c903c39339d5ac708a82d2e3e2ac21c9
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Library/Microsoft.CodeAnalysis.Remote.Workspaces.dll
    • Size 439KB
    • SHA256 e634ca4353d4a951bc136286ea2deb8fc73e435c4dc606fc3c29801734c4d29f
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10

MITRE ATT&CK Enterprise v16

Tasks

static1

hijackloader
Score
10/10

behavioral1

discovery
Score
3/10

behavioral2

discovery
Score
3/10

behavioral3

discovery
Score
3/10

behavioral4

discovery
Score
3/10

behavioral5

discovery
Score
3/10

behavioral6

discovery
Score
3/10

behavioral7

discovery
Score
3/10

behavioral8

discovery
Score
3/10

behavioral9

discovery
Score
3/10

behavioral10

discovery
Score
3/10

behavioral11

discoveryexecutionacrstealerspywarestealer
Score
10/10

behavioral12

discoveryexecutionacrstealerspywarestealer
Score
10/10

behavioral13

Score
1/10

behavioral14

Score
1/10

behavioral15

Score
1/10

behavioral16

Score
1/10

behavioral17

discovery
Score
3/10

behavioral18

discovery
Score
3/10

behavioral19

Score
1/10

behavioral20

Score
1/10

behavioral21

Score
1/10

behavioral22

Score
1/10

behavioral23

Score
1/10

behavioral24

Score
1/10

behavioral25

Score
1/10

behavioral26

Score
1/10

behavioral27

Score
1/10

behavioral28

Score
1/10

behavioral29

Score
1/10

behavioral30

Score
1/10

behavioral31

Score
1/10

behavioral32

Score
1/10