Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-05-2024 18:46

General

  • Target

    documents_24.5.13YTKargo.pdf.exe

  • Size

    588KB

  • MD5

    7f9adfa5c6ddb5471f7b391d037252b2

  • SHA1

    122645622b73002a2d8b8215d6573ab22523a0e2

  • SHA256

    f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4

  • SHA512

    5f8b6565006dd61e11da209aa1103ca4987bd397a19da5b38a782f61d7bae13c244a4ba2de78982803b764bdd45a831de382da61bbbf3c3ade4d307675a21ad8

  • SSDEEP

    12288:2rRgAXYMjhvPie/rByY7777777777777c99E4NQ2CMiH99dsgJJ8Z0WQoiQFzpgi:2dgAXYMFniyyXzEMCMid9prPwDajgSxF

Malware Config

Extracted

Family

snakekeylogger

Credentials
C2

https://scratchdreams.tk

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 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 use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:448
    • 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\documents_24.5.13YTKargo.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4156
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EDqfTdWmvf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4612
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EDqfTdWmvf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6793.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3924
    • C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    778555116f62bab0c408556db2ed219e

    SHA1

    4baf3643a212d47cd1b6a29788cdb6c6c650962b

    SHA256

    f020ac2d1ea646f5f271298e18e7270a8241f2f7efb5edf02eb338d4ccda578d

    SHA512

    8239f59fc9b501db3a8a07fde0bf27bb3eb052b852485550f9510cd907c2c413a01223e63ff2be3fe43d18501c860088ce7b3e3acb1a891a3a0d33e3946c2ac4

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bt10crbn.myl.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp6793.tmp

    Filesize

    1KB

    MD5

    516d5d6bddce066b1ae971fccaf11880

    SHA1

    4da4485a33fbdd8927cd677bf0f16818dd012217

    SHA256

    77de518f161c38c78a0fd91112c4a10224610a6458c59f3143c08f6c05317687

    SHA512

    fa44bd5428ad43c1e47f6527f3507addeab1304215a668c5d29c60df4cda17969ed020ff370042daad30ee9d6857020cf6cd1a7b9f9cd95ea6153f0c4e7d15c9

  • memory/448-8-0x0000000005C90000-0x0000000005CA6000-memory.dmp

    Filesize

    88KB

  • memory/448-2-0x0000000005CC0000-0x0000000006264000-memory.dmp

    Filesize

    5.6MB

  • memory/448-6-0x0000000005C40000-0x0000000005C60000-memory.dmp

    Filesize

    128KB

  • memory/448-7-0x0000000005C80000-0x0000000005C90000-memory.dmp

    Filesize

    64KB

  • memory/448-5-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/448-9-0x0000000006F60000-0x0000000006FC8000-memory.dmp

    Filesize

    416KB

  • memory/448-10-0x00000000095B0000-0x000000000964C000-memory.dmp

    Filesize

    624KB

  • memory/448-1-0x0000000000B80000-0x0000000000C1A000-memory.dmp

    Filesize

    616KB

  • memory/448-0-0x0000000074BAE000-0x0000000074BAF000-memory.dmp

    Filesize

    4KB

  • memory/448-48-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/448-4-0x00000000056A0000-0x00000000056AA000-memory.dmp

    Filesize

    40KB

  • memory/448-3-0x00000000055F0000-0x0000000005682000-memory.dmp

    Filesize

    584KB

  • memory/3716-27-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3716-90-0x0000000006C90000-0x0000000006CE0000-memory.dmp

    Filesize

    320KB

  • memory/3716-91-0x0000000006EB0000-0x0000000007072000-memory.dmp

    Filesize

    1.8MB

  • memory/4156-16-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/4156-81-0x0000000007970000-0x000000000798A000-memory.dmp

    Filesize

    104KB

  • memory/4156-15-0x0000000002A00000-0x0000000002A36000-memory.dmp

    Filesize

    216KB

  • memory/4156-22-0x0000000005350000-0x0000000005372000-memory.dmp

    Filesize

    136KB

  • memory/4156-18-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/4156-24-0x0000000005460000-0x00000000054C6000-memory.dmp

    Filesize

    408KB

  • memory/4156-23-0x00000000053F0000-0x0000000005456000-memory.dmp

    Filesize

    408KB

  • memory/4156-89-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/4156-50-0x00000000068A0000-0x00000000068EC000-memory.dmp

    Filesize

    304KB

  • memory/4156-49-0x0000000006310000-0x000000000632E000-memory.dmp

    Filesize

    120KB

  • memory/4156-17-0x0000000005630000-0x0000000005C58000-memory.dmp

    Filesize

    6.2MB

  • memory/4156-52-0x0000000071380000-0x00000000713CC000-memory.dmp

    Filesize

    304KB

  • memory/4156-51-0x0000000007330000-0x0000000007362000-memory.dmp

    Filesize

    200KB

  • memory/4156-82-0x0000000007950000-0x0000000007958000-memory.dmp

    Filesize

    32KB

  • memory/4156-73-0x0000000007370000-0x0000000007413000-memory.dmp

    Filesize

    652KB

  • memory/4156-21-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/4156-80-0x0000000007870000-0x0000000007884000-memory.dmp

    Filesize

    80KB

  • memory/4156-77-0x00000000078B0000-0x0000000007946000-memory.dmp

    Filesize

    600KB

  • memory/4612-76-0x0000000006E80000-0x0000000006E8A000-memory.dmp

    Filesize

    40KB

  • memory/4612-78-0x0000000007010000-0x0000000007021000-memory.dmp

    Filesize

    68KB

  • memory/4612-79-0x0000000007040000-0x000000000704E000-memory.dmp

    Filesize

    56KB

  • memory/4612-75-0x0000000006E10000-0x0000000006E2A000-memory.dmp

    Filesize

    104KB

  • memory/4612-74-0x0000000007450000-0x0000000007ACA000-memory.dmp

    Filesize

    6.5MB

  • memory/4612-72-0x0000000006A40000-0x0000000006A5E000-memory.dmp

    Filesize

    120KB

  • memory/4612-19-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/4612-88-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/4612-53-0x0000000071380000-0x00000000713CC000-memory.dmp

    Filesize

    304KB

  • memory/4612-25-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/4612-28-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/4612-26-0x00000000054F0000-0x0000000005844000-memory.dmp

    Filesize

    3.3MB