Analysis

  • max time kernel
    68s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    27-07-2021 15:17

General

  • Target

    Order Drawing and Specification.exe

  • Size

    860KB

  • MD5

    6fc8b05c55483843b5333e0f2ec7c2ef

  • SHA1

    1a102a545be73435889342f112ff646818098b8f

  • SHA256

    4ea025e80130ce357432c651f5e577ee7be047b8dd6d369448f53cf8414ce69e

  • SHA512

    0a9e4c49c4feaa41587a7ede9d42a86f6eb6e5098c032205ab48530fec51959e1d98a5c5ed92604369dd3bf2d17a2a7c723f8cd34a47e03b316ca39db32466c9

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.vivaldi.net
  • Port:
    25
  • Username:
    africaman101@vivaldi.net
  • Password:
    Africanman101

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • 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.

  • 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.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order Drawing and Specification.exe
    "C:\Users\Admin\AppData\Local\Temp\Order Drawing and Specification.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4024
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dfYIIvFy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1E27.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2016
    • C:\Users\Admin\AppData\Local\Temp\Order Drawing and Specification.exe
      "C:\Users\Admin\AppData\Local\Temp\Order Drawing and Specification.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3108

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Order Drawing and Specification.exe.log
    MD5

    90acfd72f14a512712b1a7380c0faf60

    SHA1

    40ba4accb8faa75887e84fb8e38d598dc8cf0f12

    SHA256

    20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

    SHA512

    29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

  • C:\Users\Admin\AppData\Local\Temp\tmp1E27.tmp
    MD5

    f1b04b477163b4ba672d06e8aded4e6f

    SHA1

    97bc9f6457c4703c0355c948c1578f68c50a4846

    SHA256

    546860484efbc2868e8d47e635dd956cefe2e8c4f2cff801b4fe8d99577f06d9

    SHA512

    c3e735e3b4b98640973bded18c52c76e4d2bac52917b332cacb9830310ed5a921d2f05c3e66ae2685cdc4a2eb512ac6dd10e3d63240bbb7f0c7c1cbc4d900e5e

  • memory/2016-125-0x0000000000000000-mapping.dmp
  • memory/3108-135-0x0000000006B10000-0x0000000006B11000-memory.dmp
    Filesize

    4KB

  • memory/3108-134-0x00000000031E0000-0x00000000031E1000-memory.dmp
    Filesize

    4KB

  • memory/3108-127-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/3108-128-0x000000000041F84E-mapping.dmp
  • memory/4024-119-0x0000000004AA0000-0x0000000004AA1000-memory.dmp
    Filesize

    4KB

  • memory/4024-123-0x0000000000AD0000-0x0000000000B2F000-memory.dmp
    Filesize

    380KB

  • memory/4024-124-0x0000000000B30000-0x0000000000B54000-memory.dmp
    Filesize

    144KB

  • memory/4024-122-0x0000000004FC0000-0x0000000004FDB000-memory.dmp
    Filesize

    108KB

  • memory/4024-121-0x0000000004BE0000-0x00000000050DE000-memory.dmp
    Filesize

    5.0MB

  • memory/4024-120-0x0000000004DE0000-0x0000000004DE1000-memory.dmp
    Filesize

    4KB

  • memory/4024-114-0x00000000001C0000-0x00000000001C1000-memory.dmp
    Filesize

    4KB

  • memory/4024-118-0x0000000004C80000-0x0000000004C81000-memory.dmp
    Filesize

    4KB

  • memory/4024-117-0x00000000050E0000-0x00000000050E1000-memory.dmp
    Filesize

    4KB

  • memory/4024-116-0x0000000004AC0000-0x0000000004AC1000-memory.dmp
    Filesize

    4KB