Analysis

  • max time kernel
    119s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-08-2022 07:05

General

  • Target

    S345678900-87654080.exe

  • Size

    483KB

  • MD5

    206304ab39a5cea4b1f0c25e20fe0d33

  • SHA1

    e9861b675387e831077146f111c8355af8702743

  • SHA256

    956ea990c778b7fdb74570814ad83b3eca3e2a29642d7882ae580e844a98733f

  • SHA512

    151819874c0f1551546d059ba81242a8eb98739eba91258b3d83aaa48ded290ee1ff259d9fe449ff10057c7bef9f596535f74b1e73c7787adaf5ec65730977e3

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5476629412:AAGbkcFsGq72YxKoGZjVmRBskss9nHikjMc/sendMessage?chat_id=5594190904

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 1 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\S345678900-87654080.exe
    "C:\Users\Admin\AppData\Local\Temp\S345678900-87654080.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Users\Admin\AppData\Local\Temp\S345678900-87654080.exe
      "C:\Users\Admin\AppData\Local\Temp\S345678900-87654080.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4092

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\S345678900-87654080.exe.log

    Filesize

    706B

    MD5

    f8bcaf312de8591707436c1dcebba8e4

    SHA1

    a1269828e5f644601622f4a7a611aec8f2eda0b2

    SHA256

    f0f5a90777c70cdceea22bd66b33c1703a318acc45cb012d0b01585a1ac12b29

    SHA512

    3a714f5950584abbc94a27bbd4623bfc5acb1135c8c9fca4d74e70c8481b71ace7dbc1dfbf101dd07c76a050acfb4852f31dd57fc7ae196382336c5edc9e6413

  • memory/2388-130-0x00000000006D0000-0x000000000074E000-memory.dmp

    Filesize

    504KB

  • memory/2388-131-0x0000000005680000-0x0000000005C24000-memory.dmp

    Filesize

    5.6MB

  • memory/2388-132-0x00000000051B0000-0x0000000005242000-memory.dmp

    Filesize

    584KB

  • memory/2388-133-0x00000000052F0000-0x000000000538C000-memory.dmp

    Filesize

    624KB

  • memory/4092-134-0x0000000000000000-mapping.dmp

  • memory/4092-135-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/4092-137-0x00000000065D0000-0x0000000006792000-memory.dmp

    Filesize

    1.8MB

  • memory/4092-138-0x0000000006550000-0x000000000655A000-memory.dmp

    Filesize

    40KB