Overview

overview

10

Static

static

a89d739e39...4d.exe

windows7_x64

10

a89d739e39...4d.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    17-06-2022 18:38

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General

  • Target

    a89d739e39a746fa53b4ace09ccc5ed7a4cd8bd522034aa953ec2892d374124d.exe

  • Size

    207KB

  • MD5

    04abca366cc648a461c1eee9a883bd12

  • SHA1

    889beaf9e13cfdc0d103c232c9a68c3febdbafaf

  • SHA256

    a89d739e39a746fa53b4ace09ccc5ed7a4cd8bd522034aa953ec2892d374124d

  • SHA512

    59ceed9b7cd95578200f7ffd749ff60e468784d29aee4f51510cda48089b068d999bfea7cbc2232d44c4746329bf5ecea9ae4225476e314b70f8f63388408b3e

Score
10/10
privateloaderevasionloaderspywarestealersuricatatrojan

Malware Config

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 7 IoCs
    evasiontrojan
  • PrivateLoader

    PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    loaderprivateloader
  • suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3

    suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3

    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 39 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a89d739e39a746fa53b4ace09ccc5ed7a4cd8bd522034aa953ec2892d374124d.exe
    "C:\Users\Admin\AppData\Local\Temp\a89d739e39a746fa53b4ace09ccc5ed7a4cd8bd522034aa953ec2892d374124d.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:880
    • C:\Users\Admin\Pictures\Adobe Films\TgX_LDsumUQpA6BaqHe4kRXk.exe
      "C:\Users\Admin\Pictures\Adobe Films\TgX_LDsumUQpA6BaqHe4kRXk.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1704
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 880 -s 1352
      2⤵
      • Program crash
      PID:1124

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

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Downloads

  • C:\Users\Admin\Pictures\Adobe Films\TgX_LDsumUQpA6BaqHe4kRXk.exe
    Filesize

    318KB

    MD5

    3f22bd82ee1b38f439e6354c60126d6d

    SHA1

    63b57d818f86ea64ebc8566faeb0c977839defde

    SHA256

    265c2ddc8a21e6fa8dfaa38ef0e77df8a2e98273a1abfb575aef93c0cc8ee96a

    SHA512

    b73e8e17e5e99d0e9edfb690ece8b0c15befb4d48b1c4f2fe77c5e3daf01df35858c06e1403a8636f86363708b80123d12122cb821a86b575b184227c760988f

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  • \Users\Admin\Pictures\Adobe Films\TgX_LDsumUQpA6BaqHe4kRXk.exe
    Filesize

    318KB

    MD5

    3f22bd82ee1b38f439e6354c60126d6d

    SHA1

    63b57d818f86ea64ebc8566faeb0c977839defde

    SHA256

    265c2ddc8a21e6fa8dfaa38ef0e77df8a2e98273a1abfb575aef93c0cc8ee96a

    SHA512

    b73e8e17e5e99d0e9edfb690ece8b0c15befb4d48b1c4f2fe77c5e3daf01df35858c06e1403a8636f86363708b80123d12122cb821a86b575b184227c760988f

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  • memory/880-54-0x0000000075711000-0x0000000075713000-memory.dmp
    Filesize

    8KB

    Download
  • memory/880-55-0x0000000003A80000-0x0000000003C3C000-memory.dmp
    Filesize

    1.7MB

    Download
  • memory/1124-59-0x0000000000000000-mapping.dmp
    Download
  • memory/1704-57-0x0000000000000000-mapping.dmp
    Download