Overview

overview

10

Static

static

3

mass_repor...pt.exe

windows7-x64

7

mass_repor...pt.exe

windows10-2004-x64

10

Stub.pyc

windows7-x64

3

Stub.pyc

windows10-2004-x64

3

Sharing

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General

  • Target

    mass_report_script.exe

  • Size

    24.8MB

  • Sample

    240528-n6e3ascc58

  • MD5

    0a3dc00e485234149ddb7faac2e32889

  • SHA1

    dc911b14a639e139dae9f58e9e89c9f1a79e11af

  • SHA256

    b78a86254b0752ed6cf71762e076d66209521ab81544bddac07129ae11a6ab3d

  • SHA512

    6d0130c1104a0e01fe82aaca0ddfa6c015cc9749944d1cf544b567707e7d762a99af05ba327e07c11730b2e1be7408a3ff307b681106580bc004051b9efa123e

  • SSDEEP

    393216:7PjV5L1V8dvvX+9/pWFGRiBsnOrIWeRaDH:7PjLROvX+9/pWHGhRq

Score
10/10
exelastealerevasionpersistencepyinstallerspywarestealerupx

Malware Config

Targets

    • Target

      mass_report_script.exe

    • Size

      24.8MB

    • MD5

      0a3dc00e485234149ddb7faac2e32889

    • SHA1

      dc911b14a639e139dae9f58e9e89c9f1a79e11af

    • SHA256

      b78a86254b0752ed6cf71762e076d66209521ab81544bddac07129ae11a6ab3d

    • SHA512

      6d0130c1104a0e01fe82aaca0ddfa6c015cc9749944d1cf544b567707e7d762a99af05ba327e07c11730b2e1be7408a3ff307b681106580bc004051b9efa123e

    • SSDEEP

      393216:7PjV5L1V8dvvX+9/pWFGRiBsnOrIWeRaDH:7PjLROvX+9/pWHGhRq

    Score
    10/10
    upxexelastealerevasionpersistencepyinstallerspywarestealer

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

      stealerexelastealer

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Modifies Windows Firewall

      evasion

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    behavioral1behavioral2

    • Target

      Stub.pyc

    • Size

      876KB

    • MD5

      9fbdec4dae910fe824e2a687cd880232

    • SHA1

      8b462b769e74de90f8b4a4eeef434fbf9e552b71

    • SHA256

      d1f14d6147531a91456f7a849b3c05f83ce2df8d5f49e464eb2ab29f243431d3

    • SHA512

      008522d8fb9400d2aae32c6e3bb43eb3163ef3e2344b2b5cc1c8e5659cf5ba3d2d7c7b3012f7939efba5b9e103206062dc18a5f872398a3148c3e1f6d553a41c

    • SSDEEP

      12288:L4qEsMM56G0XODlk09mDEpIUdJq+gh/1yKLGUt/zjjIpstn5eqSUcKExqo0Bpn:8qfwEDl79mDKwh/1yUtUpsbjzXn

    Score
    3/10
    behavioral3behavioral4

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Account Manipulation

1
T1098

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

4
T1082

Process Discovery

1
T1057

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks