Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    23-10-2023 14:17

General

  • Target

    P.I 30960 21-7.exe

  • Size

    560KB

  • MD5

    c67b7f7552e1b08f43856b96d23276cb

  • SHA1

    ebd5998132c184fc930c764d6fc4a0477a4587b3

  • SHA256

    a65172838dff0b366ecc526b58f59689d1d86110dc2b949443a63ac8cd8008c4

  • SHA512

    5a3c9b181e2c0fe2ae45ad63493166f36afa9303ab4db7fb647d1519566dddf0560107bfbb1b4cab1101fb3d9b5fcce620852ef48ecc54f4bbd873578cfd7fa0

  • SSDEEP

    12288:JhNh6sxTA6qNhjA0FAqyWXF+Pj01Vx7aIVq+ixOtSfoVQ2u7:JDDxs6gtAuAek01VBVqLxOtS

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.saltapetrol.com.ar
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Lmolina*2881

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.saltapetrol.com.ar
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Lmolina*2881

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 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
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\P.I 30960 21-7.exe
    "C:\Users\Admin\AppData\Local\Temp\P.I 30960 21-7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Users\Admin\AppData\Local\Temp\P.I 30960 21-7.exe
      "C:\Users\Admin\AppData\Local\Temp\P.I 30960 21-7.exe"
      2⤵
        PID:944
      • C:\Users\Admin\AppData\Local\Temp\P.I 30960 21-7.exe
        "C:\Users\Admin\AppData\Local\Temp\P.I 30960 21-7.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2676

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      63dfecdab24de028ceca16e5947d5fe5

      SHA1

      e309d815888de418ef5071c0ac31d014955ab08a

      SHA256

      3d007c90069adb119dd691979a137aa15bd7548732b0fcbb28ef08c88ff7e1ac

      SHA512

      8122cc3f5a6c2e35b91d679f6b30a361607ce8e3bb214c66375a1e4d1201171a28b3f4dc465688f4ac387113ca84394786384d4f69521e1edf4f69b30291f0b4

    • C:\Users\Admin\AppData\Local\Temp\Cab8191.tmp

      Filesize

      61KB

      MD5

      f3441b8572aae8801c04f3060b550443

      SHA1

      4ef0a35436125d6821831ef36c28ffaf196cda15

      SHA256

      6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

      SHA512

      5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

    • C:\Users\Admin\AppData\Local\Temp\Tar81F1.tmp

      Filesize

      163KB

      MD5

      9441737383d21192400eca82fda910ec

      SHA1

      725e0d606a4fc9ba44aa8ffde65bed15e65367e4

      SHA256

      bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

      SHA512

      7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

    • memory/2384-3-0x00000000005E0000-0x00000000005FC000-memory.dmp

      Filesize

      112KB

    • memory/2384-4-0x0000000000510000-0x000000000051C000-memory.dmp

      Filesize

      48KB

    • memory/2384-5-0x0000000073D20000-0x000000007440E000-memory.dmp

      Filesize

      6.9MB

    • memory/2384-6-0x0000000004E10000-0x0000000004E50000-memory.dmp

      Filesize

      256KB

    • memory/2384-7-0x0000000000680000-0x0000000000690000-memory.dmp

      Filesize

      64KB

    • memory/2384-8-0x00000000047E0000-0x0000000004840000-memory.dmp

      Filesize

      384KB

    • memory/2384-23-0x0000000073D20000-0x000000007440E000-memory.dmp

      Filesize

      6.9MB

    • memory/2384-2-0x0000000004E10000-0x0000000004E50000-memory.dmp

      Filesize

      256KB

    • memory/2384-1-0x0000000073D20000-0x000000007440E000-memory.dmp

      Filesize

      6.9MB

    • memory/2384-0-0x00000000009E0000-0x0000000000A70000-memory.dmp

      Filesize

      576KB

    • memory/2676-15-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2676-11-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2676-22-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2676-20-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2676-18-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2676-24-0x0000000073D20000-0x000000007440E000-memory.dmp

      Filesize

      6.9MB

    • memory/2676-25-0x0000000004B70000-0x0000000004BB0000-memory.dmp

      Filesize

      256KB

    • memory/2676-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2676-13-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2676-61-0x0000000073D20000-0x000000007440E000-memory.dmp

      Filesize

      6.9MB

    • memory/2676-9-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2676-98-0x0000000004B70000-0x0000000004BB0000-memory.dmp

      Filesize

      256KB