Overview

overview

10

Static

static

Thu181d864eb8.exe

windows7_x64

10

Thu181d864eb8.exe

windows10_x64

10

Analysis

  • max time kernel
    153s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    04-11-2021 20:57

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General

  • Target

    Thu181d864eb8.exe

  • Size

    172KB

  • MD5

    7c3cf9ce3ffb1e5dd48896fdc9080bab

  • SHA1

    34b4976f8f83c1e0a9d277d2a103a61616178728

  • SHA256

    b3049882301853eed2aa8c5ac99010dd84292d7e092eb6f4311fa535716f5d83

  • SHA512

    52ec2ec50a2d4ca4f29e6b611176e37fee8693a7c34ec2197ec2ad250d525f607c3d4d70534520d1f5c16fd3f9231d261b00f8c3746d033eab1ed36cdde07473

Score
10/10
evasionspywarestealersuricatatrojan

Malware Config

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
    evasiontrojan
  • suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

    suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

    suricata
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Thu181d864eb8.exe
    "C:\Users\Admin\AppData\Local\Temp\Thu181d864eb8.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Users\Admin\Pictures\Adobe Films\8ah9uNgBEJ9Bs7M25od_Gpyh.exe
      "C:\Users\Admin\Pictures\Adobe Films\8ah9uNgBEJ9Bs7M25od_Gpyh.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1652
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1496 -s 1428
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1492

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\Pictures\Adobe Films\8ah9uNgBEJ9Bs7M25od_Gpyh.exe
    MD5

    3f22bd82ee1b38f439e6354c60126d6d

    SHA1

    63b57d818f86ea64ebc8566faeb0c977839defde

    SHA256

    265c2ddc8a21e6fa8dfaa38ef0e77df8a2e98273a1abfb575aef93c0cc8ee96a

    SHA512

    b73e8e17e5e99d0e9edfb690ece8b0c15befb4d48b1c4f2fe77c5e3daf01df35858c06e1403a8636f86363708b80123d12122cb821a86b575b184227c760988f

    Download Submit
  • \Users\Admin\Pictures\Adobe Films\8ah9uNgBEJ9Bs7M25od_Gpyh.exe
    MD5

    3f22bd82ee1b38f439e6354c60126d6d

    SHA1

    63b57d818f86ea64ebc8566faeb0c977839defde

    SHA256

    265c2ddc8a21e6fa8dfaa38ef0e77df8a2e98273a1abfb575aef93c0cc8ee96a

    SHA512

    b73e8e17e5e99d0e9edfb690ece8b0c15befb4d48b1c4f2fe77c5e3daf01df35858c06e1403a8636f86363708b80123d12122cb821a86b575b184227c760988f

    Download Submit
  • memory/1492-60-0x0000000000000000-mapping.dmp
    Download
  • memory/1492-61-0x0000000000B10000-0x0000000000B11000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1496-55-0x0000000074E51000-0x0000000074E53000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1496-56-0x0000000003B70000-0x0000000003CBA000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/1652-58-0x0000000000000000-mapping.dmp
    Download