Analysis

  • max time kernel
    148s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-02-2023 19:19

General

  • Target

    INQUIRY - TENDER RFx-2172200126 .exe

  • Size

    4.8MB

  • MD5

    496c2794aefc720bc71fd57c5ddc13a7

  • SHA1

    324d529b527c343695ffd4ce94abde0dd29252c3

  • SHA256

    47a98390d2ac2a88d7853877e3c2f1d3253f90a0bb0f61b37570294e00a1107f

  • SHA512

    188580c71d8885e257346bd2f6ac8f55aa9fc80c498cd0b5de1252ce36f3e4bf4c6f8f46f4b87a3ecec1c69ae4d54b2a5c8b7020b87eb92875c889719ae453d1

  • SSDEEP

    24576:50Mwg7OQcjsDvuvkxDaQ9vSmR7d7lacOJuJ6Exgd5Hf2icQaux8:

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.cleaningagent.xyz/
  • Port:
    21
  • Username:
    relief1303@cleaningagent.xyz
  • Password:
    9L4dBJBZ,kIQ

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Adds Run key to start application 2 TTPs 1 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INQUIRY - TENDER RFx-2172200126 .exe
    "C:\Users\Admin\AppData\Local\Temp\INQUIRY - TENDER RFx-2172200126 .exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:384
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4392
    • C:\Users\Admin\AppData\Local\Temp\INQUIRY - TENDER RFx-2172200126 .exe
      "C:\Users\Admin\AppData\Local\Temp\INQUIRY - TENDER RFx-2172200126 .exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1580

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\INQUIRY - TENDER RFx-2172200126 .exe.log
    Filesize

    1KB

    MD5

    a713c363be116d5ed1f971db6a657e4f

    SHA1

    90791863564c9ed38e7b4f047022dec4474060a1

    SHA256

    4b5c446ec8ed2a2696ba00a0890763d413006ce1ea1a7a32fda1655720aef46e

    SHA512

    5dc740414a6ec30908e924f3bdfae2f761a35a476ef2dda239b789575a0a3696169deb6dc84a14d5828eaa5644623f107b2c686bfa4f54a90f0688239b4b1739

  • memory/384-133-0x0000000006420000-0x0000000006442000-memory.dmp
    Filesize

    136KB

  • memory/384-132-0x0000000000160000-0x000000000063A000-memory.dmp
    Filesize

    4.9MB

  • memory/1580-142-0x0000000000000000-mapping.dmp
  • memory/1580-149-0x0000000006B30000-0x0000000006B3A000-memory.dmp
    Filesize

    40KB

  • memory/1580-148-0x0000000006D50000-0x0000000006DE2000-memory.dmp
    Filesize

    584KB

  • memory/1580-147-0x0000000006B80000-0x0000000006D42000-memory.dmp
    Filesize

    1.8MB

  • memory/1580-146-0x0000000005730000-0x00000000057CC000-memory.dmp
    Filesize

    624KB

  • memory/1580-145-0x0000000005C40000-0x00000000061E4000-memory.dmp
    Filesize

    5.6MB

  • memory/1580-143-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/4392-136-0x00000000051F0000-0x0000000005818000-memory.dmp
    Filesize

    6.2MB

  • memory/4392-141-0x00000000065E0000-0x00000000065FA000-memory.dmp
    Filesize

    104KB

  • memory/4392-140-0x00000000077D0000-0x0000000007E4A000-memory.dmp
    Filesize

    6.5MB

  • memory/4392-139-0x0000000006100000-0x000000000611E000-memory.dmp
    Filesize

    120KB

  • memory/4392-138-0x0000000005B30000-0x0000000005B96000-memory.dmp
    Filesize

    408KB

  • memory/4392-137-0x0000000005890000-0x00000000058F6000-memory.dmp
    Filesize

    408KB

  • memory/4392-135-0x0000000002A90000-0x0000000002AC6000-memory.dmp
    Filesize

    216KB

  • memory/4392-134-0x0000000000000000-mapping.dmp