Analysis

  • max time kernel
    104s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2023 13:35

General

  • Target

    hesaphareketi-01.PDF.exe

  • Size

    525KB

  • MD5

    549fed02b6a67bb1ca8b80ce8bda0bef

  • SHA1

    0e4049cec6e24443a8ebe4e88203897b5885a474

  • SHA256

    ee79d711f50c08fc3f58d643b0974e2030d5f6f0479a5e000eaef3940f099636

  • SHA512

    ebb8c93b79b963328c3270251adeef93c5508cc55ca929c42983f3f46e35f0abb4a82deb6bdff1214eb9b28579f4fdde18c7feeb6a2ca020a627d826be3e5f20

  • SSDEEP

    12288:nqfdFI5GRF25snFrktWXBwwfTos3+eJA:qV7Rvn/2wbos9A

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6248980626:AAGb4nN3Up4r6yKEfvdHfL1IeWyHC8a-d6I/sendMessage?chat_id=5334267822

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 2 IoCs
  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1860
    • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.PDF.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:868

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\hesaphareketi-01.PDF.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/868-140-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/868-143-0x0000000005870000-0x0000000005880000-memory.dmp

    Filesize

    64KB

  • memory/868-144-0x0000000005870000-0x0000000005880000-memory.dmp

    Filesize

    64KB

  • memory/1860-133-0x0000000000E10000-0x0000000000E9A000-memory.dmp

    Filesize

    552KB

  • memory/1860-134-0x0000000005DC0000-0x0000000006364000-memory.dmp

    Filesize

    5.6MB

  • memory/1860-135-0x00000000058B0000-0x0000000005942000-memory.dmp

    Filesize

    584KB

  • memory/1860-136-0x00000000032A0000-0x00000000032B0000-memory.dmp

    Filesize

    64KB

  • memory/1860-137-0x0000000005840000-0x000000000584A000-memory.dmp

    Filesize

    40KB

  • memory/1860-138-0x00000000032A0000-0x00000000032B0000-memory.dmp

    Filesize

    64KB

  • memory/1860-139-0x0000000007220000-0x00000000072BC000-memory.dmp

    Filesize

    624KB