Analysis

  • max time kernel
    64s
  • max time network
    130s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    27-07-2021 15:07

General

  • Target

    PO_1223223.exe

  • Size

    1.0MB

  • MD5

    4d40ec3083581c3ee44936d9cabc9e0b

  • SHA1

    b57c1d6d2e4411519487e9d132a3aaf01b80448e

  • SHA256

    b51b212526d12237e7bcb3b215980f65e35f717ef6d39d0a2791f8fe3ce52845

  • SHA512

    6e4a2d7aad2170a6f5f35b429f5733e7b9918e55f318370684de55669bd0d0295185da957545b83d445880696ee1d8d17b4eb62161de329646ae0b506dfbeb01

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
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO_1223223.exe
    "C:\Users\Admin\AppData\Local\Temp\PO_1223223.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3156
    • C:\Users\Admin\AppData\Local\Temp\PO_1223223.exe
      "C:\Users\Admin\AppData\Local\Temp\PO_1223223.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3740

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO_1223223.exe.log
    MD5

    90acfd72f14a512712b1a7380c0faf60

    SHA1

    40ba4accb8faa75887e84fb8e38d598dc8cf0f12

    SHA256

    20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

    SHA512

    29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

  • memory/3156-121-0x0000000004B70000-0x0000000004C0C000-memory.dmp
    Filesize

    624KB

  • memory/3156-123-0x0000000007180000-0x0000000007221000-memory.dmp
    Filesize

    644KB

  • memory/3156-118-0x0000000004D50000-0x0000000004D51000-memory.dmp
    Filesize

    4KB

  • memory/3156-119-0x0000000004C00000-0x0000000004C01000-memory.dmp
    Filesize

    4KB

  • memory/3156-120-0x0000000004EB0000-0x0000000004EB1000-memory.dmp
    Filesize

    4KB

  • memory/3156-114-0x00000000002D0000-0x00000000002D1000-memory.dmp
    Filesize

    4KB

  • memory/3156-122-0x0000000005160000-0x000000000517B000-memory.dmp
    Filesize

    108KB

  • memory/3156-117-0x00000000051B0000-0x00000000051B1000-memory.dmp
    Filesize

    4KB

  • memory/3156-124-0x00000000069E0000-0x0000000006A3C000-memory.dmp
    Filesize

    368KB

  • memory/3156-116-0x0000000004C10000-0x0000000004C11000-memory.dmp
    Filesize

    4KB

  • memory/3740-125-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/3740-126-0x000000000041F84E-mapping.dmp
  • memory/3740-132-0x00000000067F0000-0x00000000067F1000-memory.dmp
    Filesize

    4KB

  • memory/3740-135-0x0000000005410000-0x00000000054AC000-memory.dmp
    Filesize

    624KB