Overview

overview

10

Static

static

1

INQUIRY - ...6 .exe

windows7-x64

10

INQUIRY - ...6 .exe

windows10-2004-x64

10

Analysis

  • max time kernel
    52s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03-02-2023 19:19

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General

  • Target

    INQUIRY - TENDER RFx-2172200126 .exe

  • Size

    4.8MB

  • MD5

    496c2794aefc720bc71fd57c5ddc13a7

  • SHA1

    324d529b527c343695ffd4ce94abde0dd29252c3

  • SHA256

    47a98390d2ac2a88d7853877e3c2f1d3253f90a0bb0f61b37570294e00a1107f

  • SHA512

    188580c71d8885e257346bd2f6ac8f55aa9fc80c498cd0b5de1252ce36f3e4bf4c6f8f46f4b87a3ecec1c69ae4d54b2a5c8b7020b87eb92875c889719ae453d1

  • SSDEEP

    24576:50Mwg7OQcjsDvuvkxDaQ9vSmR7d7lacOJuJ6Exgd5Hf2icQaux8:

Score
10/10
purecryptersnakekeyloggercollectiondownloaderkeyloggerloaderpersistencespywarestealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:     ftp
  • Host:
    ftp://ftp.cleaningagent.xyz/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    9L4dBJBZ,kIQ

Signatures

  • Detect PureCrypter injector 1 IoCs
    loader
  • PureCrypter

    PureCrypter is a .NET malware loader first seen in early 2021.

    loaderdownloaderpurecrypter
  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

    stealerkeyloggersnakekeylogger
  • Snake Keylogger payload 6 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 13 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⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1668
    • 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:1112
    • 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:988

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/988-68-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

    Download
  • memory/988-65-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

    Download
  • memory/988-73-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

    Download
  • memory/988-71-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

    Download
  • memory/988-63-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

    Download
  • memory/988-69-0x00000000004206EE-mapping.dmp
    Download
  • memory/988-62-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

    Download
  • memory/988-67-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

    Download
  • memory/1112-58-0x000000006FA00000-0x000000006FFAB000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1112-60-0x000000006FA00000-0x000000006FFAB000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1112-59-0x000000006FA00000-0x000000006FFAB000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1112-57-0x0000000075241000-0x0000000075243000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1112-56-0x0000000000000000-mapping.dmp
    Download
  • memory/1668-61-0x00000000025A0000-0x00000000025EA000-memory.dmp
    Filesize

    296KB

    Download
  • memory/1668-55-0x0000000005240000-0x00000000054B0000-memory.dmp
    Filesize

    2.4MB

    Download
  • memory/1668-54-0x0000000000930000-0x0000000000E0A000-memory.dmp
    Filesize

    4.9MB

    Download