Overview

overview

10

Static

static

8

3becff98c9...57.exe

windows7_x64

10

3becff98c9...57.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    3becff98c9a3e0d91076ad16ffd87780e5f7d697b70e8e7769c4be3f19104157

  • Size

    690KB

  • Sample

    220703-k5tbrafdb5

  • MD5

    05fd27db47dabe28246f7749e8d48bf0

  • SHA1

    9501a3d42ae13d2574e36ef1517d7cc471cc576b

  • SHA256

    3becff98c9a3e0d91076ad16ffd87780e5f7d697b70e8e7769c4be3f19104157

  • SHA512

    dab21f22abc846fffce3b23b5a174d28bc1c90aa8190f8d9077ae534c6e3b80df34abb24523a1dfa0f910184f728fa5cd911b0f528f30a56aa70e3e2ea0f62f9

Score
10/10
aspackv2persistence

Malware Config

Targets

    • Target

      3becff98c9a3e0d91076ad16ffd87780e5f7d697b70e8e7769c4be3f19104157

    • Size

      690KB

    • MD5

      05fd27db47dabe28246f7749e8d48bf0

    • SHA1

      9501a3d42ae13d2574e36ef1517d7cc471cc576b

    • SHA256

      3becff98c9a3e0d91076ad16ffd87780e5f7d697b70e8e7769c4be3f19104157

    • SHA512

      dab21f22abc846fffce3b23b5a174d28bc1c90aa8190f8d9077ae534c6e3b80df34abb24523a1dfa0f910184f728fa5cd911b0f528f30a56aa70e3e2ea0f62f9

    Score
    10/10
    aspackv2persistence

    • Modifies WinLogon for persistence

      persistence

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Executes dropped EXE

    • Drops startup file

    • Loads dropped DLL

    • Enumerates connected drives

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

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Winlogon Helper DLL

1
T1004

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Tasks