Overview

overview

10

Static

static

3

Nursultan.exe

windows7-x64

7

Nursultan.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Nursultan.exe

  • Size

    10.8MB

  • Sample

    240718-yax84swemd

  • MD5

    0f3182e94f4c6b21253b6e36b8cdae69

  • SHA1

    6e9261bedfd6dfb35614cb8ec9d53ec99054afbc

  • SHA256

    7bd57b557d7a56415efc184f36d235ab345ddbc8b2ce2a5248f75be07f1b7f7e

  • SHA512

    e7cc4cfd380e53cbd96287bac2fdde1b6015fe1a4478920ea9e0325cb51370ac4fac3be834c49e2e03428e94fe1f7cfffaac9c67f3261138c33599a788fd91f8

  • SSDEEP

    196608:MF9cPn2PA4mtSHeNvX+wfm/pf+xfdkR0ZWKsnarIWOzW0DaqkH:ecjvtSUvX+9/pWFGRiBsnarIWeRaDH

Score
10/10
exelastealerdefense_evasionevasionpersistenceprivilege_escalationpyinstallerspywarestealerupx

Malware Config

Targets

    • Target

      Nursultan.exe

    • Size

      10.8MB

    • MD5

      0f3182e94f4c6b21253b6e36b8cdae69

    • SHA1

      6e9261bedfd6dfb35614cb8ec9d53ec99054afbc

    • SHA256

      7bd57b557d7a56415efc184f36d235ab345ddbc8b2ce2a5248f75be07f1b7f7e

    • SHA512

      e7cc4cfd380e53cbd96287bac2fdde1b6015fe1a4478920ea9e0325cb51370ac4fac3be834c49e2e03428e94fe1f7cfffaac9c67f3261138c33599a788fd91f8

    • SSDEEP

      196608:MF9cPn2PA4mtSHeNvX+wfm/pf+xfdkR0ZWKsnarIWOzW0DaqkH:ecjvtSUvX+9/pWFGRiBsnarIWeRaDH

    Score
    10/10
    upxexelastealerdefense_evasionevasionpersistenceprivilege_escalationpyinstallerspywarestealer

    • 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.

    • Hide Artifacts: Hidden Files and Directories

      defense_evasion
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Account Manipulation

1
T1098

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Account Manipulation

1
T1098

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Process Discovery

1
T1057

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks