General

  • Target

    file.exe

  • Size

    7.2MB

  • Sample

    220925-vrzlqaggcn

  • MD5

    72c3d52c24044eaaa84ef8c584f61f70

  • SHA1

    da6b585f019cdd5bfa9aa5458e9ab38f5b2115d8

  • SHA256

    a3ff045a2e5c279bccc2c6f701daa5ae25dc9cd580d90817a3a2995d5f2bd4a3

  • SHA512

    ab8c8b897801e02a87d93714e0b9a1c4d5892792fc9cd95a729e90d42de9e7690e188247273e571cce0ee330f596467bf24907272480d6db0f2950b335baebcd

  • SSDEEP

    98304:91O4EWV67REivBgedSpQ4Pn8PHwHnzxw84H/1TPaw2tRstX+5LTYGvVp+uDVSADH:91OOQ7R1iXQFT1rZ2Q+5LTYOsof2W

Malware Config

Targets

    • Target

      file.exe

    • Size

      7.2MB

    • MD5

      72c3d52c24044eaaa84ef8c584f61f70

    • SHA1

      da6b585f019cdd5bfa9aa5458e9ab38f5b2115d8

    • SHA256

      a3ff045a2e5c279bccc2c6f701daa5ae25dc9cd580d90817a3a2995d5f2bd4a3

    • SHA512

      ab8c8b897801e02a87d93714e0b9a1c4d5892792fc9cd95a729e90d42de9e7690e188247273e571cce0ee330f596467bf24907272480d6db0f2950b335baebcd

    • SSDEEP

      98304:91O4EWV67REivBgedSpQ4Pn8PHwHnzxw84H/1TPaw2tRstX+5LTYGvVp+uDVSADH:91OOQ7R1iXQFT1rZ2Q+5LTYOsof2W

    • Modifies Windows Defender Real-time Protection settings

    • Windows security bypass

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Tasks