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Analysis

  • max time kernel
    73s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    02/02/2025, 15:34

General

  • Target

    ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe

  • Size

    641KB

  • MD5

    773984f4a6f5b624a22d549bb91caba0

  • SHA1

    d669159240aa47d87b56e7e171a59176039f1ce8

  • SHA256

    ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3

  • SHA512

    340745127d619fc79d123df192c144d4326413de487f950e73231321f02bd6707976d7edab126b2137a40e3ef460db395186d2332097014e375e3d747342ca5b

  • SSDEEP

    12288:xOFtByqfpHJJdgib+TCUIGr8ocdn3+2SF2SO:xKI0ppJJ+ToncS

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    50.31.176.103
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    HW=f09RQ-BL1

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://50.31.176.103/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    HW=f09RQ-BL1

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Snakekeylogger family
  • 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.

  • 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 3 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 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 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 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe
    "C:\Users\Admin\AppData\Local\Temp\ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2384
    • 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\ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2816
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SzJDEUtRWDX.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2772
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SzJDEUtRWDX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEF4E.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2848
    • C:\Users\Admin\AppData\Local\Temp\ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe
      "C:\Users\Admin\AppData\Local\Temp\ef952ad976e1f2d7845d680b045e70df73791621894f08c85795f1b4aee7aaf3N.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpEF4E.tmp

    Filesize

    1KB

    MD5

    615ae62985b783cb6de6615590e17a7d

    SHA1

    a4ce5e2e5376b6e7f65b3f0ee51d270e4f48da54

    SHA256

    f6da5160e1ff3da17e6564bc539638dc0aae5c0890fb5e885617712b59b62c5c

    SHA512

    f4aef871d102641560e0538317baa7aa9f14caeb62a39fc05eb46c5567d889e17cc53839943554722eb8de8b983184ad5e665856d0ae7cb45085ba8a9f98c635

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    461031a088b7ac4642f3f3806cf0c003

    SHA1

    fb0dc0957ee30742291ff63180f85b9307216100

    SHA256

    aea7b90d61138cff8d046fe11e00ec04d20aa359ddf2dcb15411908d5fd5de38

    SHA512

    b76232cf7f6376be5e6a81b7c110897cf51f6dad016b3f66321ab8da6ef40ee9cbfad9241a6cf422e205e5a4fbde2d2c76b1dc9c47196c2d83f4bca198db0c0c

  • memory/2384-4-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

    Filesize

    4KB

  • memory/2384-31-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2384-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

    Filesize

    4KB

  • memory/2384-5-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2384-6-0x0000000001F90000-0x0000000001FFC000-memory.dmp

    Filesize

    432KB

  • memory/2384-2-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2384-1-0x0000000000860000-0x0000000000906000-memory.dmp

    Filesize

    664KB

  • memory/2384-3-0x00000000004E0000-0x00000000004FE000-memory.dmp

    Filesize

    120KB

  • memory/2728-19-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2728-21-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2728-23-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2728-25-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2728-28-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2728-30-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2728-29-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2728-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB