Overview

overview

10

Static

static

Win105M

windows10_x64

10

Sharing

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General

  • Target

    ExLoader.exe

  • Size

    9.7MB

  • Sample

    210219-71dm5v6n3a

  • MD5

    6b8d4a6fe634501bb85e2e1507d46e32

  • SHA1

    64884341f5afa812b8c8cae40664940a86a7e8e7

  • SHA256

    a176e914f8c97804bafd4c619cc0e3986ea2b8b3fdba793884906b6d6ef0d124

  • SHA512

    f3fd4fa0243312622f085df3abfc571c99cdd0d551721774ff0cb983f2a4bf9d512cf6d0ae4f80cc13e389701853f040585e00a63735772ea3f6cda9a6fd8552

Score
10/10
adwarepersistencestealerupx

Malware Config

Targets

    • Target

      ExLoader.exe

    • Size

      9.7MB

    • MD5

      6b8d4a6fe634501bb85e2e1507d46e32

    • SHA1

      64884341f5afa812b8c8cae40664940a86a7e8e7

    • SHA256

      a176e914f8c97804bafd4c619cc0e3986ea2b8b3fdba793884906b6d6ef0d124

    • SHA512

      f3fd4fa0243312622f085df3abfc571c99cdd0d551721774ff0cb983f2a4bf9d512cf6d0ae4f80cc13e389701853f040585e00a63735772ea3f6cda9a6fd8552

    Score
    10/10
    adwarepersistencestealerupx

    • Registers COM server for autorun

      persistence

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Blocklisted process makes network request

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Installs/modifies Browser Helper Object

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

      stealeradware

    • Drops file in System32 directory

    behavioral1

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

Credential Access

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks