General

  • Target

    4ef54d3546c3e85848a314144eafdca38fdd83bd53bdd308575de1cd6585d1bc

  • Size

    29.3MB

  • Sample

    220516-q66lcsdbg9

  • MD5

    29f2806cdce05bcb54e460705bd9c75c

  • SHA1

    ad3443b65a4bbaf1f8c6e1adf60a2546b43ffa1c

  • SHA256

    4ef54d3546c3e85848a314144eafdca38fdd83bd53bdd308575de1cd6585d1bc

  • SHA512

    afe167133707368e0a35946f89dcc3cd45074d377c8930601eecfd917cea9033d0a3efea42216ecfb99ca4b0713467855aa3a9be90bf2fd16284bc307025e93d

Malware Config

Targets

    • Target

      4ef54d3546c3e85848a314144eafdca38fdd83bd53bdd308575de1cd6585d1bc

    • Size

      29.3MB

    • MD5

      29f2806cdce05bcb54e460705bd9c75c

    • SHA1

      ad3443b65a4bbaf1f8c6e1adf60a2546b43ffa1c

    • SHA256

      4ef54d3546c3e85848a314144eafdca38fdd83bd53bdd308575de1cd6585d1bc

    • SHA512

      afe167133707368e0a35946f89dcc3cd45074d377c8930601eecfd917cea9033d0a3efea42216ecfb99ca4b0713467855aa3a9be90bf2fd16284bc307025e93d

    • UAC bypass

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner Payload

    • Executes dropped EXE

    • Sets file execution options in registry

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

4
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Tasks