Overview

overview

7

Static

static

1e20978faf...7e.exe

windows7_x64

7

1e20978faf...7e.exe

windows10_x64

7

Analysis

  • max time kernel
    53s
  • max time network
    56s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    31-07-2020 16:13

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General

  • Target

    1e20978faf83eef6a9d3f22dc7a2e17e.exe

  • Size

    464KB

  • MD5

    1e20978faf83eef6a9d3f22dc7a2e17e

  • SHA1

    25c2f7e1e00cfaa7ca77d6e92329378af65cd41f

  • SHA256

    3d8567fb3b55c792b8ba70e2172726ae80805f1a1c858db29e13a5cd02d8634a

  • SHA512

    b209cbc0c64c38c57ad6c0b198c035332fb670c7d80c3ff3ac338b96eb7e779e32e3a7bf8e7ee307d1e05106e536eaf72f16d66d0678217a0bb4da0da973ba09

Score
7/10
spywarediscovery

Malware Config

Signatures

  • Loads dropped DLL 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Kills process with taskkill 1 IoCs
    evasion
  • 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 behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • JavaScript code in executable 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

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

    spyware
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery

Processes

  • C:\Users\Admin\AppData\Local\Temp\1e20978faf83eef6a9d3f22dc7a2e17e.exe
    "C:\Users\Admin\AppData\Local\Temp\1e20978faf83eef6a9d3f22dc7a2e17e.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im 1e20978faf83eef6a9d3f22dc7a2e17e.exe /f & erase C:\Users\Admin\AppData\Local\Temp\1e20978faf83eef6a9d3f22dc7a2e17e.exe & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1052
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im 1e20978faf83eef6a9d3f22dc7a2e17e.exe /f
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        • Kills process with taskkill
        PID:1688

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

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Downloads

  • \ProgramData\mozglue.dll
    Download Submit
  • \ProgramData\msvcp140.dll
    Download Submit
  • \ProgramData\nss3.dll
    Download Submit
  • \ProgramData\vcruntime140.dll
    Download Submit
  • memory/1052-6-0x0000000000000000-mapping.dmp
    Download
  • memory/1100-0-0x00000000002F6000-0x00000000002F7000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1100-1-0x0000000004CB0000-0x0000000004CC1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1688-7-0x0000000000000000-mapping.dmp
    Download