Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-04-2024 01:39

General

  • Target

    82437d591c16fcea83cd315465f5a67babb899186a4f8d464a7609ef8ae88468.exe

  • Size

    800KB

  • MD5

    9b7a1803cad3e79cb6449558d5ce938f

  • SHA1

    736f009ef8e35886fe5b0445e41dd4e6446352a7

  • SHA256

    82437d591c16fcea83cd315465f5a67babb899186a4f8d464a7609ef8ae88468

  • SHA512

    ddd19913a03d77b8abf58e5b351c5e24d887f8f769977a2cd69180353eb24d9c79b95ed4a4270a9f74f37a4badf4fcdddcc33b8d95bca267e2d0fae42d07a524

  • SSDEEP

    12288:wIXp2Ser4ask2HB+zF9TjnMbvafmszcTL13Ziw0GNERbbIp7h:4PskpPnU3ZiBGNERbbI9h

Malware Config

Extracted

Family

snakekeylogger

Credentials
C2

http://varders.kozow.com:8081

http://aborters.duckdns.org:8081

http://anotherarmy.dns.army:8081

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables with potential process hoocking 1 IoCs
  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\82437d591c16fcea83cd315465f5a67babb899186a4f8d464a7609ef8ae88468.exe
    "C:\Users\Admin\AppData\Local\Temp\82437d591c16fcea83cd315465f5a67babb899186a4f8d464a7609ef8ae88468.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Users\Admin\AppData\Local\Temp\82437d591c16fcea83cd315465f5a67babb899186a4f8d464a7609ef8ae88468.exe
      "C:\Users\Admin\AppData\Local\Temp\82437d591c16fcea83cd315465f5a67babb899186a4f8d464a7609ef8ae88468.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\82437d591c16fcea83cd315465f5a67babb899186a4f8d464a7609ef8ae88468.exe.log
    Filesize

    706B

    MD5

    f8bcaf312de8591707436c1dcebba8e4

    SHA1

    a1269828e5f644601622f4a7a611aec8f2eda0b2

    SHA256

    f0f5a90777c70cdceea22bd66b33c1703a318acc45cb012d0b01585a1ac12b29

    SHA512

    3a714f5950584abbc94a27bbd4623bfc5acb1135c8c9fca4d74e70c8481b71ace7dbc1dfbf101dd07c76a050acfb4852f31dd57fc7ae196382336c5edc9e6413

  • memory/1312-12-0x0000000074D50000-0x0000000075500000-memory.dmp
    Filesize

    7.7MB

  • memory/1312-1-0x0000000074D50000-0x0000000075500000-memory.dmp
    Filesize

    7.7MB

  • memory/1312-2-0x0000000004C70000-0x0000000004C80000-memory.dmp
    Filesize

    64KB

  • memory/1312-3-0x0000000004C10000-0x0000000004C64000-memory.dmp
    Filesize

    336KB

  • memory/1312-4-0x00000000052A0000-0x0000000005844000-memory.dmp
    Filesize

    5.6MB

  • memory/1312-5-0x0000000004D90000-0x0000000004E22000-memory.dmp
    Filesize

    584KB

  • memory/1312-6-0x0000000004ED0000-0x0000000004F6C000-memory.dmp
    Filesize

    624KB

  • memory/1312-7-0x0000000004D30000-0x0000000004D38000-memory.dmp
    Filesize

    32KB

  • memory/1312-0-0x00000000001E0000-0x00000000002AE000-memory.dmp
    Filesize

    824KB

  • memory/4784-8-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/4784-11-0x0000000074D50000-0x0000000075500000-memory.dmp
    Filesize

    7.7MB

  • memory/4784-13-0x0000000001600000-0x0000000001610000-memory.dmp
    Filesize

    64KB

  • memory/4784-14-0x0000000074D50000-0x0000000075500000-memory.dmp
    Filesize

    7.7MB

  • memory/4784-15-0x0000000001600000-0x0000000001610000-memory.dmp
    Filesize

    64KB

  • memory/4784-16-0x0000000006D10000-0x0000000006D60000-memory.dmp
    Filesize

    320KB

  • memory/4784-17-0x0000000006F30000-0x00000000070F2000-memory.dmp
    Filesize

    1.8MB

  • memory/4784-18-0x0000000006D70000-0x0000000006D7A000-memory.dmp
    Filesize

    40KB