Overview

overview

8

Static

static

1

mmc-develop-win32.zip

windows7-x64

1

mmc-develop-win32.zip

windows10-2004-x64

1

MultiMC/MultiMC.exe

windows7-x64

1

MultiMC/MultiMC.exe

windows10-2004-x64

8

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General

  • Target

    mmc-develop-win32.zip

  • Size

    13.5MB

  • Sample

    230312-a74kdsea5y

  • MD5

    745992832e9b94949f51a476add8264b

  • SHA1

    4d11cd2b81cc6c456f29cf44ed54cc911f53c37b

  • SHA256

    8662964a0c03e181d3a7cd58824a4367a4e970f333d693a995af83bada214c05

  • SHA512

    0925c87cc6243741ba7681b39d0173b64137fa2b94a33a82943c4c00c5737910792f6a48b1d1dc00a0e8bf2647447316c002b500d0ebaaa53a758ff678d04706

  • SSDEEP

    393216:Wy/mqGxGVinAqB81lhubAyC6F81qYo9rI:Wy/mHxGq8PhubvP81ql5I

Score
8/10
adwarepersistencestealer

Malware Config

Targets

    • Target

      mmc-develop-win32.zip

    • Size

      13.5MB

    • MD5

      745992832e9b94949f51a476add8264b

    • SHA1

      4d11cd2b81cc6c456f29cf44ed54cc911f53c37b

    • SHA256

      8662964a0c03e181d3a7cd58824a4367a4e970f333d693a995af83bada214c05

    • SHA512

      0925c87cc6243741ba7681b39d0173b64137fa2b94a33a82943c4c00c5737910792f6a48b1d1dc00a0e8bf2647447316c002b500d0ebaaa53a758ff678d04706

    • SSDEEP

      393216:Wy/mqGxGVinAqB81lhubAyC6F81qYo9rI:Wy/mHxGq8PhubvP81ql5I

    Score
    1/10
    behavioral1behavioral2

    • Target

      MultiMC/MultiMC.exe

    • Size

      8.8MB

    • MD5

      38c782c12952ecaeb3af973a7338790d

    • SHA1

      3167c8152fde81d9b3aebbb41d38a607ba5b48b7

    • SHA256

      4fc7abd9769e631fe1831b8b0da7b924322b77fee774dba6c5d0ccf6f69242f4

    • SHA512

      e72b69bee5cf6ca2c45d8b84f128126dd1c81f03e7dfae4d03e3d906f79bb7e1f9ecad6030e4447783657e59c75017df72f590ca786edcfd2996c88345542a1a

    • SSDEEP

      196608:LjeHzMAqhnF5SdEy/vgiBkxqSdXh9NWompJIwFsBEeVgVvV3rABVLVVkNWV+O8VU:OHOer/vAUpyRVgVvV3rABVLVVkNWV+On

    Score
    8/10
    adwarepersistencestealer

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

      persistence

    • Adds Run key to start application

      persistence

    • 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

    behavioral3behavioral4

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2
T1060

Browser Extensions

1
T1176

Privilege Escalation

Defense Evasion

Modify Registry

4
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

Query Registry

5
T1012

System Information Discovery

6
T1082

Peripheral Device Discovery

2
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks