Analysis

  • max time kernel
    142s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2023 14:13

General

  • Target

    3ebbd8420e5203a6c4a7c22f4d530ed2af31cd2638b7fd026f498bc1e55da16f_JC.exe

  • Size

    548KB

  • MD5

    ca3117a128871f374d105270374603bf

  • SHA1

    5b864a01ce233333f57b23ae22b20c950d8539a0

  • SHA256

    3ebbd8420e5203a6c4a7c22f4d530ed2af31cd2638b7fd026f498bc1e55da16f

  • SHA512

    9372df560ef939c5a82015a816fe48eab59ce82f24d1c3353aaf3f0cd08fc36bb6b4d19c4372eaabe42a4576a28aabb03cc3a711bf23c21f14db0588c1811850

  • SSDEEP

    12288:MpmNumB0appprS0ecmpiG7qZZO/AMqDqx34ARunGM4Wd29p:Uty3Dr0KtMqqxPzMB0

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of local email clients 2 TTPs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3ebbd8420e5203a6c4a7c22f4d530ed2af31cd2638b7fd026f498bc1e55da16f_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\3ebbd8420e5203a6c4a7c22f4d530ed2af31cd2638b7fd026f498bc1e55da16f_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3376
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\3ebbd8420e5203a6c4a7c22f4d530ed2af31cd2638b7fd026f498bc1e55da16f_JC.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1812
    • C:\Users\Admin\AppData\Local\Temp\3ebbd8420e5203a6c4a7c22f4d530ed2af31cd2638b7fd026f498bc1e55da16f_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\3ebbd8420e5203a6c4a7c22f4d530ed2af31cd2638b7fd026f498bc1e55da16f_JC.exe"
      2⤵
        PID:1152
      • C:\Users\Admin\AppData\Local\Temp\3ebbd8420e5203a6c4a7c22f4d530ed2af31cd2638b7fd026f498bc1e55da16f_JC.exe
        "C:\Users\Admin\AppData\Local\Temp\3ebbd8420e5203a6c4a7c22f4d530ed2af31cd2638b7fd026f498bc1e55da16f_JC.exe"
        2⤵
          PID:1064
        • C:\Users\Admin\AppData\Local\Temp\3ebbd8420e5203a6c4a7c22f4d530ed2af31cd2638b7fd026f498bc1e55da16f_JC.exe
          "C:\Users\Admin\AppData\Local\Temp\3ebbd8420e5203a6c4a7c22f4d530ed2af31cd2638b7fd026f498bc1e55da16f_JC.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:4796

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3ebbd8420e5203a6c4a7c22f4d530ed2af31cd2638b7fd026f498bc1e55da16f_JC.exe.log

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_embvkgv3.ba5.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/1812-54-0x00000000073F0000-0x0000000007A6A000-memory.dmp

        Filesize

        6.5MB

      • memory/1812-17-0x0000000074E30000-0x00000000755E0000-memory.dmp

        Filesize

        7.7MB

      • memory/1812-67-0x0000000074E30000-0x00000000755E0000-memory.dmp

        Filesize

        7.7MB

      • memory/1812-64-0x00000000070D0000-0x00000000070D8000-memory.dmp

        Filesize

        32KB

      • memory/1812-63-0x00000000070F0000-0x000000000710A000-memory.dmp

        Filesize

        104KB

      • memory/1812-26-0x0000000005350000-0x00000000053B6000-memory.dmp

        Filesize

        408KB

      • memory/1812-60-0x0000000006FE0000-0x0000000006FEE000-memory.dmp

        Filesize

        56KB

      • memory/1812-58-0x0000000006FB0000-0x0000000006FC1000-memory.dmp

        Filesize

        68KB

      • memory/1812-57-0x0000000007030000-0x00000000070C6000-memory.dmp

        Filesize

        600KB

      • memory/1812-56-0x0000000006E20000-0x0000000006E2A000-memory.dmp

        Filesize

        40KB

      • memory/1812-55-0x0000000006DB0000-0x0000000006DCA000-memory.dmp

        Filesize

        104KB

      • memory/1812-53-0x0000000006A80000-0x0000000006B23000-memory.dmp

        Filesize

        652KB

      • memory/1812-42-0x0000000070860000-0x00000000708AC000-memory.dmp

        Filesize

        304KB

      • memory/1812-38-0x0000000005AE0000-0x0000000005B2C000-memory.dmp

        Filesize

        304KB

      • memory/1812-41-0x0000000006070000-0x00000000060A2000-memory.dmp

        Filesize

        200KB

      • memory/1812-18-0x0000000004500000-0x0000000004536000-memory.dmp

        Filesize

        216KB

      • memory/1812-40-0x000000007F110000-0x000000007F120000-memory.dmp

        Filesize

        64KB

      • memory/1812-20-0x0000000004590000-0x00000000045A0000-memory.dmp

        Filesize

        64KB

      • memory/1812-21-0x0000000004BD0000-0x00000000051F8000-memory.dmp

        Filesize

        6.2MB

      • memory/1812-22-0x0000000004590000-0x00000000045A0000-memory.dmp

        Filesize

        64KB

      • memory/1812-24-0x0000000004AC0000-0x0000000004AE2000-memory.dmp

        Filesize

        136KB

      • memory/1812-25-0x0000000004B60000-0x0000000004BC6000-memory.dmp

        Filesize

        408KB

      • memory/1812-39-0x0000000004590000-0x00000000045A0000-memory.dmp

        Filesize

        64KB

      • memory/1812-62-0x0000000006FF0000-0x0000000007004000-memory.dmp

        Filesize

        80KB

      • memory/1812-52-0x0000000006A60000-0x0000000006A7E000-memory.dmp

        Filesize

        120KB

      • memory/1812-36-0x00000000054C0000-0x0000000005814000-memory.dmp

        Filesize

        3.3MB

      • memory/1812-37-0x0000000005AA0000-0x0000000005ABE000-memory.dmp

        Filesize

        120KB

      • memory/3376-2-0x0000000005A70000-0x0000000006014000-memory.dmp

        Filesize

        5.6MB

      • memory/3376-6-0x0000000005770000-0x000000000580C000-memory.dmp

        Filesize

        624KB

      • memory/3376-4-0x00000000053D0000-0x00000000053E0000-memory.dmp

        Filesize

        64KB

      • memory/3376-5-0x0000000005430000-0x000000000543A000-memory.dmp

        Filesize

        40KB

      • memory/3376-3-0x00000000054C0000-0x0000000005552000-memory.dmp

        Filesize

        584KB

      • memory/3376-1-0x0000000074E30000-0x00000000755E0000-memory.dmp

        Filesize

        7.7MB

      • memory/3376-16-0x0000000074E30000-0x00000000755E0000-memory.dmp

        Filesize

        7.7MB

      • memory/3376-0-0x00000000009A0000-0x0000000000A2E000-memory.dmp

        Filesize

        568KB

      • memory/3376-12-0x0000000005A00000-0x0000000005A60000-memory.dmp

        Filesize

        384KB

      • memory/3376-11-0x0000000005760000-0x000000000576C000-memory.dmp

        Filesize

        48KB

      • memory/3376-10-0x0000000005750000-0x000000000575A000-memory.dmp

        Filesize

        40KB

      • memory/3376-9-0x00000000053D0000-0x00000000053E0000-memory.dmp

        Filesize

        64KB

      • memory/3376-7-0x0000000005690000-0x00000000056A8000-memory.dmp

        Filesize

        96KB

      • memory/3376-8-0x0000000074E30000-0x00000000755E0000-memory.dmp

        Filesize

        7.7MB

      • memory/4796-61-0x0000000006B20000-0x0000000006CE2000-memory.dmp

        Filesize

        1.8MB

      • memory/4796-59-0x0000000006900000-0x0000000006950000-memory.dmp

        Filesize

        320KB

      • memory/4796-13-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/4796-23-0x0000000005AE0000-0x0000000005AF0000-memory.dmp

        Filesize

        64KB

      • memory/4796-19-0x0000000074E30000-0x00000000755E0000-memory.dmp

        Filesize

        7.7MB

      • memory/4796-68-0x0000000074E30000-0x00000000755E0000-memory.dmp

        Filesize

        7.7MB

      • memory/4796-69-0x0000000005AE0000-0x0000000005AF0000-memory.dmp

        Filesize

        64KB