Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    01-12-2021 07:40

General

  • Target

    Details.exe

  • Size

    399KB

  • MD5

    4a2394c58bbba9bd7d72f10c4f0cbc70

  • SHA1

    4b4de49d29474fcbbc0fed996e551848d14ef5e8

  • SHA256

    1909bc166ed4a9211d5d4fff2baf93a07268335ac80b372b0552fe414013d45d

  • SHA512

    026686a8769fdf1d779ede9bb6e1e9cf448e4677086d078eee4500f8d40d6e2630b46185adaad8c48221f80430afd1d97abf0ffc6917b34355b9b127693ef5be

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.greentrading.com.pk
  • Port:
    26
  • Username:
    info@greentrading.com.pk
  • Password:
    lovetoall

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger Payload 4 IoCs
  • Loads dropped DLL 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 3 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 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Details.exe
    "C:\Users\Admin\AppData\Local\Temp\Details.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1316
    • C:\Users\Admin\AppData\Local\Temp\Details.exe
      "C:\Users\Admin\AppData\Local\Temp\Details.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1644

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nsiE409.tmp\kovywh.dll
    MD5

    2a46ad24441fac8feb9c8d650b0ed7c2

    SHA1

    2a77f8fdc24dcc0851836a91535b566fa6592e13

    SHA256

    06969a3b1796679bb1425b3ebd69e230d69ba9e021187828680071a918045ea7

    SHA512

    76924cbb2a5c351f7335b2d95309fefcf55e8ba691d9dd3d93a54f4de884f6e38312e422f14d4484cd5edbceefdda8f81b93ca1957ea07f14ee6b4f5bbe3cf99

  • memory/1316-55-0x0000000076241000-0x0000000076243000-memory.dmp
    Filesize

    8KB

  • memory/1644-57-0x0000000000400000-0x0000000000477000-memory.dmp
    Filesize

    476KB

  • memory/1644-58-0x000000000040188B-mapping.dmp
  • memory/1644-60-0x0000000000400000-0x0000000000477000-memory.dmp
    Filesize

    476KB

  • memory/1644-61-0x0000000001DA0000-0x0000000001E02000-memory.dmp
    Filesize

    392KB

  • memory/1644-64-0x0000000004822000-0x0000000004823000-memory.dmp
    Filesize

    4KB

  • memory/1644-63-0x0000000004821000-0x0000000004822000-memory.dmp
    Filesize

    4KB

  • memory/1644-65-0x0000000004823000-0x0000000004824000-memory.dmp
    Filesize

    4KB

  • memory/1644-66-0x0000000004824000-0x0000000004825000-memory.dmp
    Filesize

    4KB

  • memory/1644-67-0x0000000004829000-0x000000000483A000-memory.dmp
    Filesize

    68KB