Overview

overview

10

Static

static

18b9f7f4c8...7a.exe

windows7-x64

10

18b9f7f4c8...7a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    18b9f7f4c8dbccacb15f13039655826e91c953347c4d36b6f847889b93bd4b7a

  • Size

    205KB

  • Sample

    221123-mrfjvaeg88

  • MD5

    9bcde83b02d301d3f6408867d95aa67d

  • SHA1

    1c7755486a31e4a1e6fdcdc0c2991feb7f42f971

  • SHA256

    18b9f7f4c8dbccacb15f13039655826e91c953347c4d36b6f847889b93bd4b7a

  • SHA512

    07acd76840b2910235b2bed319ff6b6e34396bc96994a47d1c5aacd4d7fecd3c96c63554f1765620820097435e17ef48a204e3f1dbbd3ebdc72041ab7000c1bf

  • SSDEEP

    3072:rqhMPssRhlARSOsdwD/98out3SDADeak7dJHB/AKG:rqhMPssRARoiSoS3SsQLH5AK

Score
10/10
evasionpersistencetrojan

Malware Config

Targets

    • Target

      18b9f7f4c8dbccacb15f13039655826e91c953347c4d36b6f847889b93bd4b7a

    • Size

      205KB

    • MD5

      9bcde83b02d301d3f6408867d95aa67d

    • SHA1

      1c7755486a31e4a1e6fdcdc0c2991feb7f42f971

    • SHA256

      18b9f7f4c8dbccacb15f13039655826e91c953347c4d36b6f847889b93bd4b7a

    • SHA512

      07acd76840b2910235b2bed319ff6b6e34396bc96994a47d1c5aacd4d7fecd3c96c63554f1765620820097435e17ef48a204e3f1dbbd3ebdc72041ab7000c1bf

    • SSDEEP

      3072:rqhMPssRhlARSOsdwD/98out3SDADeak7dJHB/AKG:rqhMPssRARoiSoS3SsQLH5AK

    Score
    10/10
    evasionpersistencetrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies system executable filetype association

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Executes dropped EXE

    • Sets file execution options in registry

      persistence

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Enumerates connected drives

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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Change Default File Association

1
T1042

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Modify Registry

9
T1112

Hidden Files and Directories

2
T1158

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Credential Access

Discovery

System Information Discovery

3
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

1
T1490

Tasks