Analysis

  • max time kernel
    120s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    23-10-2023 17:23

General

  • Target

    a65172838dff0b366ecc526b58f59689d1d86110dc2b949443a63ac8cd8008c4.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 7 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 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a65172838dff0b366ecc526b58f59689d1d86110dc2b949443a63ac8cd8008c4.exe
    "C:\Users\Admin\AppData\Local\Temp\a65172838dff0b366ecc526b58f59689d1d86110dc2b949443a63ac8cd8008c4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Users\Admin\AppData\Local\Temp\a65172838dff0b366ecc526b58f59689d1d86110dc2b949443a63ac8cd8008c4.exe
      "C:\Users\Admin\AppData\Local\Temp\a65172838dff0b366ecc526b58f59689d1d86110dc2b949443a63ac8cd8008c4.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2372

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    344B

    MD5

    56378dc463836b6349fc1443a68b9a95

    SHA1

    cd53eb165e7dbcf5d38ea9f54f5c65a18053b9fb

    SHA256

    b046aab8c4575be5604e5a8259052b36f2f19aa8dce4f129dd4da4ae892c14d7

    SHA512

    359a7fa32d8c2d470fa5ca93f7ab25cfe499d13dd643b848497638c866f4a8df0f70fb2d0561db3f10a80434635598e5e041a414e6aea09110636b49c0e83669

  • C:\Users\Admin\AppData\Local\Temp\Cab1670.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar16FF.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • memory/2232-21-0x0000000074390000-0x0000000074A7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2232-4-0x0000000000460000-0x000000000046C000-memory.dmp

    Filesize

    48KB

  • memory/2232-5-0x0000000074390000-0x0000000074A7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2232-6-0x0000000004F80000-0x0000000004FC0000-memory.dmp

    Filesize

    256KB

  • memory/2232-7-0x00000000004E0000-0x00000000004F0000-memory.dmp

    Filesize

    64KB

  • memory/2232-8-0x00000000049B0000-0x0000000004A10000-memory.dmp

    Filesize

    384KB

  • memory/2232-1-0x0000000074390000-0x0000000074A7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2232-2-0x0000000004F80000-0x0000000004FC0000-memory.dmp

    Filesize

    256KB

  • memory/2232-3-0x0000000000480000-0x000000000049C000-memory.dmp

    Filesize

    112KB

  • memory/2232-0-0x0000000001110000-0x00000000011A0000-memory.dmp

    Filesize

    576KB

  • memory/2372-15-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2372-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2372-17-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2372-19-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2372-20-0x0000000074390000-0x0000000074A7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2372-12-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2372-22-0x0000000004CE0000-0x0000000004D20000-memory.dmp

    Filesize

    256KB

  • memory/2372-11-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2372-10-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2372-9-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2372-94-0x0000000074390000-0x0000000074A7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2372-95-0x0000000004CE0000-0x0000000004D20000-memory.dmp

    Filesize

    256KB