Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-07-2023 06:42

General

  • Target

    e5mvukHmGdh4pTY.exe

  • Size

    582KB

  • MD5

    d3d4a0b23a01d10a64b578559d29d2fb

  • SHA1

    0a91ef4aa1eef664e14075416ed9b0213f44ad0f

  • SHA256

    1b6074d75cc84fcd24ad401c5706b1b77c1ef133a479f92e43153cbd8a952929

  • SHA512

    b2b0926473a0657b276da0af1d3f3a354dfe766b9d0bd4a40e933115c6a39349b6bb5fe36452482960c92079df2feae98cae9077f3a943e7e11a9a3f1f7b34aa

  • SSDEEP

    12288:FRPWqex/R7wwFCDRPjQU/oL6Fu/225NS9/t9:bWqe/wrsUZF+C

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6321424110:AAF1dfphYwmA-T4WvI42NFm7yP7HSkS5Sy4/sendMessage?chat_id=6326865945

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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e5mvukHmGdh4pTY.exe
    "C:\Users\Admin\AppData\Local\Temp\e5mvukHmGdh4pTY.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2604
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FIzcdVvgw.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4392
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FIzcdVvgw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp215E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3028
    • C:\Users\Admin\AppData\Local\Temp\e5mvukHmGdh4pTY.exe
      "C:\Users\Admin\AppData\Local\Temp\e5mvukHmGdh4pTY.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4660

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e5mvukHmGdh4pTY.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0jqwrc2l.z4k.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp215E.tmp

    Filesize

    1KB

    MD5

    e67e825f0bc023362991a54047f93e2d

    SHA1

    436d7a15e9d0616a405147e2d93597447bc1be18

    SHA256

    b8883c4d33176bda8fdda1881544d806ca72f3dbe05a16cabebbb63ebdf098d4

    SHA512

    f704cf3afa2b46d9b213e0cee06ab22363f5547a638fe4d119be1a21c902eff8d744487cf4f3a29e9a4465bcd85bbee794dedeed6e8345d24a55b236e50e784b

  • memory/2604-136-0x00000000056F0000-0x0000000005782000-memory.dmp

    Filesize

    584KB

  • memory/2604-137-0x00000000056C0000-0x00000000056D0000-memory.dmp

    Filesize

    64KB

  • memory/2604-138-0x0000000005680000-0x000000000568A000-memory.dmp

    Filesize

    40KB

  • memory/2604-139-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/2604-140-0x00000000056C0000-0x00000000056D0000-memory.dmp

    Filesize

    64KB

  • memory/2604-141-0x00000000097B0000-0x000000000984C000-memory.dmp

    Filesize

    624KB

  • memory/2604-135-0x0000000005CA0000-0x0000000006244000-memory.dmp

    Filesize

    5.6MB

  • memory/2604-133-0x0000000000BE0000-0x0000000000C78000-memory.dmp

    Filesize

    608KB

  • memory/2604-134-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/2604-155-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/4392-158-0x0000000005C10000-0x0000000005C76000-memory.dmp

    Filesize

    408KB

  • memory/4392-183-0x00000000068C0000-0x00000000068DE000-memory.dmp

    Filesize

    120KB

  • memory/4392-197-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/4392-150-0x0000000005440000-0x0000000005A68000-memory.dmp

    Filesize

    6.2MB

  • memory/4392-149-0x0000000002A90000-0x0000000002AA0000-memory.dmp

    Filesize

    64KB

  • memory/4392-194-0x0000000002A90000-0x0000000002AA0000-memory.dmp

    Filesize

    64KB

  • memory/4392-157-0x0000000005B70000-0x0000000005B92000-memory.dmp

    Filesize

    136KB

  • memory/4392-147-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/4392-159-0x0000000005C80000-0x0000000005CE6000-memory.dmp

    Filesize

    408KB

  • memory/4392-193-0x0000000007950000-0x0000000007958000-memory.dmp

    Filesize

    32KB

  • memory/4392-146-0x00000000029F0000-0x0000000002A26000-memory.dmp

    Filesize

    216KB

  • memory/4392-170-0x0000000006290000-0x00000000062AE000-memory.dmp

    Filesize

    120KB

  • memory/4392-171-0x0000000002A90000-0x0000000002AA0000-memory.dmp

    Filesize

    64KB

  • memory/4392-172-0x00000000068E0000-0x0000000006912000-memory.dmp

    Filesize

    200KB

  • memory/4392-173-0x0000000070600000-0x000000007064C000-memory.dmp

    Filesize

    304KB

  • memory/4392-151-0x0000000002A90000-0x0000000002AA0000-memory.dmp

    Filesize

    64KB

  • memory/4392-184-0x0000000007C60000-0x00000000082DA000-memory.dmp

    Filesize

    6.5MB

  • memory/4392-185-0x0000000007610000-0x000000000762A000-memory.dmp

    Filesize

    104KB

  • memory/4392-186-0x0000000007690000-0x000000000769A000-memory.dmp

    Filesize

    40KB

  • memory/4392-187-0x0000000007890000-0x0000000007926000-memory.dmp

    Filesize

    600KB

  • memory/4392-188-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/4392-189-0x0000000002A90000-0x0000000002AA0000-memory.dmp

    Filesize

    64KB

  • memory/4392-192-0x0000000007960000-0x000000000797A000-memory.dmp

    Filesize

    104KB

  • memory/4392-191-0x0000000007860000-0x000000000786E000-memory.dmp

    Filesize

    56KB

  • memory/4660-190-0x0000000006C20000-0x0000000006DE2000-memory.dmp

    Filesize

    1.8MB

  • memory/4660-160-0x0000000005B90000-0x0000000005BA0000-memory.dmp

    Filesize

    64KB

  • memory/4660-156-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/4660-152-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/4660-198-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/4660-199-0x0000000005B90000-0x0000000005BA0000-memory.dmp

    Filesize

    64KB