Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-07-2024 01:23

General

  • Target

    4815528e2ce6e19bd348bdb89dd59ccc8d2b5dd6432074daa92e86f45f4a5604.exe

  • Size

    3.1MB

  • MD5

    a1dee348cae0e72e34756c1af67a1ee3

  • SHA1

    c1762e92c78d384273df732e0480bdc00602befe

  • SHA256

    4815528e2ce6e19bd348bdb89dd59ccc8d2b5dd6432074daa92e86f45f4a5604

  • SHA512

    c7235d1eb1ff5a3b2f26462eb93bf8a6f5968de06cd8c8909341522028b7670c1534d00e5a46378c96933569665c7e88a7e4692fc52fbdd70a512e4dd9e5f9b1

  • SSDEEP

    12288:NNjXXcgKOAjxi0eF50N8y8kWtJJsn4VxSHunc:HHctOmBQKn6EOc

Malware Config

Extracted

Family

redline

Botnet

halle

C2

194.55.186.180:55123

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Windows security modification 2 TTPs 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4815528e2ce6e19bd348bdb89dd59ccc8d2b5dd6432074daa92e86f45f4a5604.exe
    "C:\Users\Admin\AppData\Local\Temp\4815528e2ce6e19bd348bdb89dd59ccc8d2b5dd6432074daa92e86f45f4a5604.exe"
    1⤵
    • UAC bypass
    • Windows security bypass
    • Checks computer location settings
    • Windows security modification
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1172
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\4815528e2ce6e19bd348bdb89dd59ccc8d2b5dd6432074daa92e86f45f4a5604.exe" -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3212
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2528
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
        PID:4356

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Command and Scripting Interpreter

    1
    T1059

    PowerShell

    1
    T1059.001

    Privilege Escalation

    Abuse Elevation Control Mechanism

    1
    T1548

    Bypass User Account Control

    1
    T1548.002

    Defense Evasion

    Abuse Elevation Control Mechanism

    1
    T1548

    Bypass User Account Control

    1
    T1548.002

    Impair Defenses

    3
    T1562

    Disable or Modify Tools

    3
    T1562.001

    Modify Registry

    4
    T1112

    Credential Access

    Unsecured Credentials

    2
    T1552

    Credentials In Files

    2
    T1552.001

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    3
    T1082

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gxtcjp0i.4jv.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp88A9.tmp
      Filesize

      46KB

      MD5

      8f5942354d3809f865f9767eddf51314

      SHA1

      20be11c0d42fc0cef53931ea9152b55082d1a11e

      SHA256

      776ecf8411b1b0167bea724409ac9d3f8479973df223ecc6e60e3302b3b2b8ea

      SHA512

      fde8dfae8a862cf106b0cb55e02d73e4e4c0527c744c20886681245c8160287f722612a6de9d0046ed1156b1771229c8950b9ac036b39c988d75aa20b7bac218

    • C:\Users\Admin\AppData\Local\Temp\tmp88BF.tmp
      Filesize

      100KB

      MD5

      7e58c37fd1d2f60791d5f890d3635279

      SHA1

      5b7b963802b7f877d83fe5be180091b678b56a02

      SHA256

      df01ff75a8b48de6e0244b43f74b09ab7ebe99167e5da84739761e0d99fb9fc7

      SHA512

      a3ec0c65b2781340862eddd6a9154fb0e243a54e88121f0711c5648971374b6f7a87d8b2a6177b4f1ae0d78fb05cf0ee034d3242920301e2ee9fcd883a21b85e

    • C:\Users\Admin\AppData\Local\Temp\tmp88FA.tmp
      Filesize

      48KB

      MD5

      349e6eb110e34a08924d92f6b334801d

      SHA1

      bdfb289daff51890cc71697b6322aa4b35ec9169

      SHA256

      c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a

      SHA512

      2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

    • C:\Users\Admin\AppData\Local\Temp\tmp890F.tmp
      Filesize

      20KB

      MD5

      49693267e0adbcd119f9f5e02adf3a80

      SHA1

      3ba3d7f89b8ad195ca82c92737e960e1f2b349df

      SHA256

      d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

      SHA512

      b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

    • C:\Users\Admin\AppData\Local\Temp\tmp8915.tmp
      Filesize

      116KB

      MD5

      f70aa3fa04f0536280f872ad17973c3d

      SHA1

      50a7b889329a92de1b272d0ecf5fce87395d3123

      SHA256

      8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8

      SHA512

      30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

    • C:\Users\Admin\AppData\Local\Temp\tmp8950.tmp
      Filesize

      96KB

      MD5

      d367ddfda80fdcf578726bc3b0bc3e3c

      SHA1

      23fcd5e4e0e5e296bee7e5224a8404ecd92cf671

      SHA256

      0b8607fdf72f3e651a2a8b0ac7be171b4cb44909d76bb8d6c47393b8ea3d84a0

      SHA512

      40e9239e3f084b4b981431817ca282feb986cf49227911bf3d68845baf2ee626b564c8fabe6e13b97e6eb214da1c02ca09a62bcf5e837900160cf479c104bf77

    • memory/1172-0-0x00007FFE97363000-0x00007FFE97365000-memory.dmp
      Filesize

      8KB

    • memory/1172-4-0x00007FFE97360000-0x00007FFE97E21000-memory.dmp
      Filesize

      10.8MB

    • memory/1172-3-0x00000172C29D0000-0x00000172C2A40000-memory.dmp
      Filesize

      448KB

    • memory/1172-2-0x00000172DCB20000-0x00000172DCB3C000-memory.dmp
      Filesize

      112KB

    • memory/1172-1-0x00000172C25B0000-0x00000172C25CC000-memory.dmp
      Filesize

      112KB

    • memory/1172-26-0x00007FFE97360000-0x00007FFE97E21000-memory.dmp
      Filesize

      10.8MB

    • memory/2528-24-0x0000000004970000-0x00000000049BC000-memory.dmp
      Filesize

      304KB

    • memory/2528-18-0x000000007488E000-0x000000007488F000-memory.dmp
      Filesize

      4KB

    • memory/2528-188-0x0000000006440000-0x000000000645E000-memory.dmp
      Filesize

      120KB

    • memory/2528-20-0x0000000004890000-0x00000000048A2000-memory.dmp
      Filesize

      72KB

    • memory/2528-27-0x0000000004BD0000-0x0000000004CDA000-memory.dmp
      Filesize

      1.0MB

    • memory/2528-28-0x0000000005D70000-0x0000000005F32000-memory.dmp
      Filesize

      1.8MB

    • memory/2528-29-0x0000000006470000-0x000000000699C000-memory.dmp
      Filesize

      5.2MB

    • memory/2528-30-0x0000000005D00000-0x0000000005D66000-memory.dmp
      Filesize

      408KB

    • memory/2528-19-0x0000000004E70000-0x0000000005488000-memory.dmp
      Filesize

      6.1MB

    • memory/2528-21-0x0000000004930000-0x000000000496C000-memory.dmp
      Filesize

      240KB

    • memory/2528-187-0x0000000006360000-0x00000000063D6000-memory.dmp
      Filesize

      472KB

    • memory/2528-186-0x00000000062C0000-0x0000000006352000-memory.dmp
      Filesize

      584KB

    • memory/2528-185-0x0000000006F50000-0x00000000074F4000-memory.dmp
      Filesize

      5.6MB

    • memory/2528-5-0x0000000000400000-0x000000000041E000-memory.dmp
      Filesize

      120KB

    • memory/3212-6-0x00007FFE97360000-0x00007FFE97E21000-memory.dmp
      Filesize

      10.8MB

    • memory/3212-12-0x0000028A5C950000-0x0000028A5C972000-memory.dmp
      Filesize

      136KB

    • memory/3212-17-0x00007FFE97360000-0x00007FFE97E21000-memory.dmp
      Filesize

      10.8MB

    • memory/3212-25-0x00007FFE97360000-0x00007FFE97E21000-memory.dmp
      Filesize

      10.8MB