Analysis

  • max time kernel
    91s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-02-2023 19:55

General

  • Target

    872ee416b911925c61ddd11d2f3eeb7b.exe

  • Size

    7KB

  • MD5

    872ee416b911925c61ddd11d2f3eeb7b

  • SHA1

    0e67384a4b89fb49f8f007af35122955cbf1d310

  • SHA256

    07a72d61154c37817fbb112e37e8a108886857d588c3df46cce7d84d92ca8ec6

  • SHA512

    bb61899323d423147724ab9556006791452ae0d27c73c0fd07f1b4882c06f96001d7db154bab6e479c75137bf112656b9a79de499e79ddb189b982663f8e7977

  • SSDEEP

    96:BG+1jsTi+wX7GEmPbnfK6IoP8ZY7ZMt5vdQ6k2CttLzNt:BG+eW+wXC9bfXPgGHf3N

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    abdanprestigeholdings.com
  • Port:
    587
  • Username:
    snake@abdanprestigeholdings.com
  • Password:
    Favourunlimited123456@
  • Email To:
    snake2@abdanprestigeholdings.com

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\872ee416b911925c61ddd11d2f3eeb7b.exe
    "C:\Users\Admin\AppData\Local\Temp\872ee416b911925c61ddd11d2f3eeb7b.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:3808
    • 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:3776
    • C:\Users\Admin\AppData\Local\Temp\872ee416b911925c61ddd11d2f3eeb7b.exe
      C:\Users\Admin\AppData\Local\Temp\872ee416b911925c61ddd11d2f3eeb7b.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4332

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\872ee416b911925c61ddd11d2f3eeb7b.exe.log
    Filesize

    1KB

    MD5

    3a9188331a78f1dbce606db64b841fcb

    SHA1

    8e2c99b7c477d06591a856a4ea3e1e214719eee8

    SHA256

    db4137e258a0f6159fda559a5f6dd2704be0582c3f0586f65040c7ad1eb68451

    SHA512

    d1a994610a045d89d5d306866c24ae56bf16555414b8f63f632552568e67b5586f26d5a17a1f0a55ada376730298e6d856e9161828d4eae9decfa4e015e0e90a

  • memory/3776-136-0x0000000005270000-0x0000000005898000-memory.dmp
    Filesize

    6.2MB

  • memory/3776-137-0x0000000005A10000-0x0000000005A76000-memory.dmp
    Filesize

    408KB

  • memory/3776-141-0x0000000006590000-0x00000000065AA000-memory.dmp
    Filesize

    104KB

  • memory/3776-140-0x0000000007840000-0x0000000007EBA000-memory.dmp
    Filesize

    6.5MB

  • memory/3776-134-0x0000000000000000-mapping.dmp
  • memory/3776-138-0x0000000005AF0000-0x0000000005B56000-memory.dmp
    Filesize

    408KB

  • memory/3776-139-0x0000000006140000-0x000000000615E000-memory.dmp
    Filesize

    120KB

  • memory/3776-135-0x0000000002B50000-0x0000000002B86000-memory.dmp
    Filesize

    216KB

  • memory/3808-132-0x0000000000EB0000-0x0000000000EB8000-memory.dmp
    Filesize

    32KB

  • memory/3808-133-0x0000000006CE0000-0x0000000006D02000-memory.dmp
    Filesize

    136KB

  • memory/4332-143-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/4332-142-0x0000000000000000-mapping.dmp
  • memory/4332-145-0x0000000005990000-0x0000000005F34000-memory.dmp
    Filesize

    5.6MB

  • memory/4332-146-0x0000000005480000-0x000000000551C000-memory.dmp
    Filesize

    624KB

  • memory/4332-147-0x0000000006750000-0x0000000006912000-memory.dmp
    Filesize

    1.8MB

  • memory/4332-148-0x0000000006920000-0x00000000069B2000-memory.dmp
    Filesize

    584KB

  • memory/4332-149-0x00000000066F0000-0x00000000066FA000-memory.dmp
    Filesize

    40KB