Overview

overview

9

Static

static

637fc2260e...ac.exe

windows7-x64

9

637fc2260e...ac.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    637fc2260ea3a0d3d0b55953c2ff5bf23674c0fb881e92eb0437edb02906a7ac

  • Size

    686KB

  • Sample

    221120-kh2plshg4y

  • MD5

    3a727e40ad724fb8dd9cfbc82b0f4d90

  • SHA1

    802544ecc7add1e5248dbbce59e21b5f248a9fcc

  • SHA256

    637fc2260ea3a0d3d0b55953c2ff5bf23674c0fb881e92eb0437edb02906a7ac

  • SHA512

    402c421727810717d94ffa2acdb8e57171284c1e8413f0363d49bd988b4575d3b8ee5472b0673c747defcfc51323c6d8492d18ed216d3212eee71fae996167e4

  • SSDEEP

    12288:KwWXgoYk/6Ih6EPvj18RNwpkVo4LfQSYBus9cbxOvBY7ms7vKpnMj5pxHqZGxX:tWw1OkEPb18wYo4LfQBn9iUvm7ms4Kxr

Score
9/10
adwarediscoveryexploitpersistencestealerupx

Malware Config

Targets

    • Target

      637fc2260ea3a0d3d0b55953c2ff5bf23674c0fb881e92eb0437edb02906a7ac

    • Size

      686KB

    • MD5

      3a727e40ad724fb8dd9cfbc82b0f4d90

    • SHA1

      802544ecc7add1e5248dbbce59e21b5f248a9fcc

    • SHA256

      637fc2260ea3a0d3d0b55953c2ff5bf23674c0fb881e92eb0437edb02906a7ac

    • SHA512

      402c421727810717d94ffa2acdb8e57171284c1e8413f0363d49bd988b4575d3b8ee5472b0673c747defcfc51323c6d8492d18ed216d3212eee71fae996167e4

    • SSDEEP

      12288:KwWXgoYk/6Ih6EPvj18RNwpkVo4LfQSYBus9cbxOvBY7ms7vKpnMj5pxHqZGxX:tWw1OkEPb18wYo4LfQBn9iUvm7ms4Kxr

    Score
    9/10
    adwarediscoveryexploitpersistencestealerupx

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Drops file in Drivers directory

    • Possible privilege escalation attempt

      exploit

    • Sets service image path in registry

      persistence

    • UPX packed file

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

      upx

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

      stealeradware

    • Maps connected drives based on registry

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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Browser Extensions

1
T1176

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

File Permissions Modification

1
T1222

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks