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Analysis

  • max time kernel
    88s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/03/2023, 11:30

General

  • Target

    DHL-AWB.exe

  • Size

    940KB

  • MD5

    eb685b3c297e9bf66dbdf5ce339b0938

  • SHA1

    e68ee19e34b4e050967630bff153eb27ad9bcab2

  • SHA256

    4cfe382fc05866c2087a5d003050a40fb1a1789f8547bd13956e8823d8cf61f8

  • SHA512

    5af08355a05edb7bd155cc8da39eb520f6041a27532cfb36b999b54a3363e29578f5b1b52d2c1b379c1a14d2c6694f00c7c02a205da02303e23d6cdb47a6f393

  • SSDEEP

    12288:LMuRADz1KGRbItu/8mqKgE8MLj3Ymjk97DuHh/UFxvpj5+YI61UBXEuJ2c1LwnIj:gfftg3CEmA7DehEYY9c0uRwn

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5896148323:AAEWgsVYxyCkhTyIZPTwudSGllkEoROCUk8/sendMessage?chat_id=6163418482

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 data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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). Likely ransomware behaviour.

  • 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 21 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\DHL-AWB.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL-AWB.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CvDzsccuV.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3492
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CvDzsccuV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA856.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1932
    • C:\Users\Admin\AppData\Local\Temp\DHL-AWB.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL-AWB.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1828

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uvmnrd0o.5us.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpA856.tmp

    Filesize

    1KB

    MD5

    73be993c0fdeb9547eefc2523e13e954

    SHA1

    a91e273f7c2405c36adb71ac57beb05d861d7fb7

    SHA256

    a99e068937c5ee8f34e9d6c69349f2805f90e7c27875f874d8eb8ca4b50d1ee9

    SHA512

    95342b91d3affc063b5404ac2aa3055b653ef12e4501b75b35cc84b1e3f7e45d9459fef225477d638a7511da5522322f9363207678fbd00e3a5599ee20f11976

  • memory/1828-189-0x00000000056A0000-0x00000000056B0000-memory.dmp

    Filesize

    64KB

  • memory/1828-161-0x00000000056A0000-0x00000000056B0000-memory.dmp

    Filesize

    64KB

  • memory/1828-147-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1828-183-0x00000000066F0000-0x00000000068B2000-memory.dmp

    Filesize

    1.8MB

  • memory/1924-136-0x0000000004D50000-0x0000000004D5A000-memory.dmp

    Filesize

    40KB

  • memory/1924-139-0x0000000005CA0000-0x0000000005D3C000-memory.dmp

    Filesize

    624KB

  • memory/1924-138-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

    Filesize

    64KB

  • memory/1924-137-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

    Filesize

    64KB

  • memory/1924-133-0x0000000000200000-0x00000000002F0000-memory.dmp

    Filesize

    960KB

  • memory/1924-135-0x0000000004CA0000-0x0000000004D32000-memory.dmp

    Filesize

    584KB

  • memory/1924-134-0x0000000005250000-0x00000000057F4000-memory.dmp

    Filesize

    5.6MB

  • memory/3492-163-0x0000000005130000-0x0000000005140000-memory.dmp

    Filesize

    64KB

  • memory/3492-178-0x000000007FCD0000-0x000000007FCE0000-memory.dmp

    Filesize

    64KB

  • memory/3492-160-0x0000000005F40000-0x0000000005FA6000-memory.dmp

    Filesize

    408KB

  • memory/3492-155-0x0000000005DA0000-0x0000000005DC2000-memory.dmp

    Filesize

    136KB

  • memory/3492-164-0x0000000006510000-0x000000000652E000-memory.dmp

    Filesize

    120KB

  • memory/3492-165-0x0000000005130000-0x0000000005140000-memory.dmp

    Filesize

    64KB

  • memory/3492-166-0x00000000076D0000-0x0000000007702000-memory.dmp

    Filesize

    200KB

  • memory/3492-167-0x0000000070830000-0x000000007087C000-memory.dmp

    Filesize

    304KB

  • memory/3492-177-0x0000000006AC0000-0x0000000006ADE000-memory.dmp

    Filesize

    120KB

  • memory/3492-162-0x0000000006020000-0x0000000006086000-memory.dmp

    Filesize

    408KB

  • memory/3492-179-0x0000000007E70000-0x00000000084EA000-memory.dmp

    Filesize

    6.5MB

  • memory/3492-180-0x0000000007830000-0x000000000784A000-memory.dmp

    Filesize

    104KB

  • memory/3492-181-0x00000000078A0000-0x00000000078AA000-memory.dmp

    Filesize

    40KB

  • memory/3492-182-0x0000000007AB0000-0x0000000007B46000-memory.dmp

    Filesize

    600KB

  • memory/3492-146-0x0000000005770000-0x0000000005D98000-memory.dmp

    Filesize

    6.2MB

  • memory/3492-184-0x0000000007A60000-0x0000000007A6E000-memory.dmp

    Filesize

    56KB

  • memory/3492-185-0x0000000007B70000-0x0000000007B8A000-memory.dmp

    Filesize

    104KB

  • memory/3492-186-0x0000000007B50000-0x0000000007B58000-memory.dmp

    Filesize

    32KB

  • memory/3492-144-0x0000000004F60000-0x0000000004F96000-memory.dmp

    Filesize

    216KB