Overview

overview

10

Static

static

1

b230e19185...3e.exe

windows7_x64

9

b230e19185...3e.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    b230e191857ee2dcb34b7fb163bcfbda42a31d0c0be5f1c93f4b0057a2bf2c3e

  • Size

    2.9MB

  • Sample

    220701-rj1bhahcb7

  • MD5

    cc47bc788a58c510b00a5b288769a943

  • SHA1

    184478b1e91d3354f5981c19e615bec766c38fab

  • SHA256

    b230e191857ee2dcb34b7fb163bcfbda42a31d0c0be5f1c93f4b0057a2bf2c3e

  • SHA512

    ddf966d08c8de80ff86f222a4b794d9b0afeb3a1c88070452d086a3e61b8e8c0d65b40afbd2c28f1c0ca9d8f3947a1d9d485177290e0a745091908337dd0e1e6

Score
10/10
discoveryexploitpersistencesuricataupx

Malware Config

Targets

    • Target

      b230e191857ee2dcb34b7fb163bcfbda42a31d0c0be5f1c93f4b0057a2bf2c3e

    • Size

      2.9MB

    • MD5

      cc47bc788a58c510b00a5b288769a943

    • SHA1

      184478b1e91d3354f5981c19e615bec766c38fab

    • SHA256

      b230e191857ee2dcb34b7fb163bcfbda42a31d0c0be5f1c93f4b0057a2bf2c3e

    • SHA512

      ddf966d08c8de80ff86f222a4b794d9b0afeb3a1c88070452d086a3e61b8e8c0d65b40afbd2c28f1c0ca9d8f3947a1d9d485177290e0a745091908337dd0e1e6

    Score
    10/10
    discoveryexploitpersistenceupxsuricata

    • suricata: ET MALWARE ServHelper CnC Inital Checkin

      suricata: ET MALWARE ServHelper CnC Inital Checkin

      suricata

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Modifies RDP port number used by Windows

    • Possible privilege escalation attempt

      exploit

    • Sets DLL path for service in the registry

      persistence

    • UPX packed file

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

      upx

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Account Manipulation

1
T1098

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

File Permissions Modification

1
T1222

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Remote Desktop Protocol

1
T1076

Collection

Exfiltration

Command and Control

Impact

Tasks