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Analysis

  • max time kernel
    127s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/03/2023, 13:56

General

  • Target

    0c416e462853425ce474820d82ed8212.exe

  • Size

    1.0MB

  • MD5

    0c416e462853425ce474820d82ed8212

  • SHA1

    f008aba5a83a167663be86bcb0230232c74029f7

  • SHA256

    e83c5b4a9fbfb2294eeb8be89c3d871ad2f20b776bf9594bd0b0ecd288ad47f8

  • SHA512

    b0538d150b11fd7570d2d6c6f55aa2d6c9dde0cad96beb19db108b9e53019b7fb5a8d412f3c92c8b8e9be1f6e67a7ce36ad82b5c1e91c85ca866cf0b30f8d917

  • SSDEEP

    24576:EuOZ6wGkB+e9uf8mS8mONRMbeze6aKQoW7y0nkO:P39Y6aKQmmkO

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    citalmet.com.ar
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    payment@123

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 6 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\0c416e462853425ce474820d82ed8212.exe
    "C:\Users\Admin\AppData\Local\Temp\0c416e462853425ce474820d82ed8212.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3360
    • 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\0c416e462853425ce474820d82ed8212.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2960
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nijiOvNtapSp.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3788
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nijiOvNtapSp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4863.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2876
    • C:\Users\Admin\AppData\Local\Temp\0c416e462853425ce474820d82ed8212.exe
      "C:\Users\Admin\AppData\Local\Temp\0c416e462853425ce474820d82ed8212.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3112

Network

MITRE ATT&CK Enterprise v6

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

    3faa1aec155e95222e27462f2a7fbf34

    SHA1

    8f08e08b59cf0150b2cf02fd07e61250371ccd1b

    SHA256

    5f0c5a5321df48b7a1da3d1a85b6d319372330e9c91cc89e856baa232aca7084

    SHA512

    ecec85a6c4328a7f8137374dc81f95ec1ca7cf9f19e70ab4073fa1b5d15f7908f18f534d3a69883b6547091b4d111485e544ec4408746d82d238bd27dd2485e3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2cm5q0pe.iuc.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp4863.tmp

    Filesize

    1KB

    MD5

    e9714d7390f2a4dd3753d907e8c64fd8

    SHA1

    4f640ab577e260a20b1630c9925a52a04b26086b

    SHA256

    e402d15026e7da64abf64dcd45ab88b9d9c21ab2f78ee78cc4b036a4f0e2f127

    SHA512

    b5c3579d90c886874a09dd63dd0d20e9b92d1b5f210e163246f05cfa4ef6990b50f115acd80a14143c3ad9fc18d9179746aced0e640bc9f78b9a4aec95fda859

  • memory/2960-148-0x00000000053C0000-0x00000000053D0000-memory.dmp

    Filesize

    64KB

  • memory/2960-197-0x0000000008290000-0x000000000890A000-memory.dmp

    Filesize

    6.5MB

  • memory/2960-201-0x000000007F390000-0x000000007F3A0000-memory.dmp

    Filesize

    64KB

  • memory/2960-144-0x0000000005300000-0x0000000005336000-memory.dmp

    Filesize

    216KB

  • memory/2960-176-0x0000000070990000-0x00000000709DC000-memory.dmp

    Filesize

    304KB

  • memory/2960-145-0x00000000053C0000-0x00000000053D0000-memory.dmp

    Filesize

    64KB

  • memory/2960-206-0x0000000007EF0000-0x0000000007EF8000-memory.dmp

    Filesize

    32KB

  • memory/2960-196-0x0000000006E40000-0x0000000006E5E000-memory.dmp

    Filesize

    120KB

  • memory/2960-199-0x00000000053C0000-0x00000000053D0000-memory.dmp

    Filesize

    64KB

  • memory/2960-202-0x0000000007C40000-0x0000000007C4A000-memory.dmp

    Filesize

    40KB

  • memory/2960-203-0x0000000007E50000-0x0000000007EE6000-memory.dmp

    Filesize

    600KB

  • memory/2960-151-0x0000000005910000-0x0000000005932000-memory.dmp

    Filesize

    136KB

  • memory/3112-150-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3112-212-0x0000000006130000-0x00000000062F2000-memory.dmp

    Filesize

    1.8MB

  • memory/3112-213-0x0000000005110000-0x0000000005120000-memory.dmp

    Filesize

    64KB

  • memory/3112-174-0x0000000005110000-0x0000000005120000-memory.dmp

    Filesize

    64KB

  • memory/3360-139-0x0000000006E40000-0x0000000006EDC000-memory.dmp

    Filesize

    624KB

  • memory/3360-133-0x00000000008A0000-0x00000000009AC000-memory.dmp

    Filesize

    1.0MB

  • memory/3360-138-0x0000000005330000-0x0000000005340000-memory.dmp

    Filesize

    64KB

  • memory/3360-137-0x0000000005330000-0x0000000005340000-memory.dmp

    Filesize

    64KB

  • memory/3360-136-0x0000000005370000-0x000000000537A000-memory.dmp

    Filesize

    40KB

  • memory/3360-135-0x00000000053B0000-0x0000000005442000-memory.dmp

    Filesize

    584KB

  • memory/3360-134-0x0000000005A40000-0x0000000005FE4000-memory.dmp

    Filesize

    5.6MB

  • memory/3788-173-0x00000000063F0000-0x000000000640E000-memory.dmp

    Filesize

    120KB

  • memory/3788-200-0x0000000002B20000-0x0000000002B30000-memory.dmp

    Filesize

    64KB

  • memory/3788-198-0x0000000007780000-0x000000000779A000-memory.dmp

    Filesize

    104KB

  • memory/3788-177-0x0000000070990000-0x00000000709DC000-memory.dmp

    Filesize

    304KB

  • memory/3788-204-0x00000000079B0000-0x00000000079BE000-memory.dmp

    Filesize

    56KB

  • memory/3788-205-0x0000000007AC0000-0x0000000007ADA000-memory.dmp

    Filesize

    104KB

  • memory/3788-175-0x00000000069C0000-0x00000000069F2000-memory.dmp

    Filesize

    200KB

  • memory/3788-154-0x0000000005DC0000-0x0000000005E26000-memory.dmp

    Filesize

    408KB

  • memory/3788-152-0x0000000005BA0000-0x0000000005C06000-memory.dmp

    Filesize

    408KB

  • memory/3788-149-0x0000000002B20000-0x0000000002B30000-memory.dmp

    Filesize

    64KB

  • memory/3788-146-0x0000000005500000-0x0000000005B28000-memory.dmp

    Filesize

    6.2MB