Overview

overview

10

Static

static

8

a70b630c11...26.exe

windows7_x64

10

a70b630c11...26.exe

windows10_x64

10

Sharing

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General

  • Target

    a70b630c11a124a8e639bc88f7aa1d1145c1cee0f5165eea4814d5ba1c0d2a26

  • Size

    1.9MB

  • Sample

    210302-4bm95rznwn

  • MD5

    a78c70a6f7112c2bf40d6fe7b869f6da

  • SHA1

    4cdaa2cdbaacd2471680b4e78d58149286ba9f1a

  • SHA256

    a70b630c11a124a8e639bc88f7aa1d1145c1cee0f5165eea4814d5ba1c0d2a26

  • SHA512

    78ace4773844a21115138e8ae402c51bb610050758f3ccd47d88d3bbeb816cb144096c87a1631a23199cca834549946aa74f50ea7b891fcea0bb9784a9a6ff83

Score
10/10
aspackv2persistence

Malware Config

Targets

    • Target

      a70b630c11a124a8e639bc88f7aa1d1145c1cee0f5165eea4814d5ba1c0d2a26

    • Size

      1.9MB

    • MD5

      a78c70a6f7112c2bf40d6fe7b869f6da

    • SHA1

      4cdaa2cdbaacd2471680b4e78d58149286ba9f1a

    • SHA256

      a70b630c11a124a8e639bc88f7aa1d1145c1cee0f5165eea4814d5ba1c0d2a26

    • SHA512

      78ace4773844a21115138e8ae402c51bb610050758f3ccd47d88d3bbeb816cb144096c87a1631a23199cca834549946aa74f50ea7b891fcea0bb9784a9a6ff83

    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