Overview

overview

10

Static

static

tmp.exe

windows7-x64

10

tmp.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    tmp

  • Size

    4.5MB

  • Sample

    220903-zhnkbacfgl

  • MD5

    b7c12ce33a5c2de80bcd7083d839df6e

  • SHA1

    6d2bce616fc00cafeb2ae4c5499305b36fcfb4f1

  • SHA256

    65970760831f083ce65c5ec185f5c1d1c73217bcf600de567f2960b592412c52

  • SHA512

    b3cbb1c781217aee343352f5ef2668fec9aa70a3f8ed39eafef88815bc4b5a858965d4ea9d30f86e04cdff4d22bef4447333027a56fbc02fc9708203e9987225

  • SSDEEP

    98304:Ha3DFNglg7shj9/X92ZmvG+Hc7supSg8MXGBl3Qbf2jYpvRhzPQA:q23V9/X9pvL+sWKMXGwDEYVx

Score
10/10
discoveryevasionexploit

Malware Config

Targets

    • Target

      tmp

    • Size

      4.5MB

    • MD5

      b7c12ce33a5c2de80bcd7083d839df6e

    • SHA1

      6d2bce616fc00cafeb2ae4c5499305b36fcfb4f1

    • SHA256

      65970760831f083ce65c5ec185f5c1d1c73217bcf600de567f2960b592412c52

    • SHA512

      b3cbb1c781217aee343352f5ef2668fec9aa70a3f8ed39eafef88815bc4b5a858965d4ea9d30f86e04cdff4d22bef4447333027a56fbc02fc9708203e9987225

    • SSDEEP

      98304:Ha3DFNglg7shj9/X92ZmvG+Hc7supSg8MXGBl3Qbf2jYpvRhzPQA:q23V9/X9pvL+sWKMXGwDEYVx

    Score
    10/10
    discoveryevasionexploit

    • Modifies security service

      evasion

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Possible privilege escalation attempt

      exploit

    • Stops running service(s)

      evasion

    • Checks computer location settings

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

    • Modifies file permissions

      discovery

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Impair Defenses

1
T1562

File Permissions Modification

1
T1222

Install Root Certificate

1
T1130

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks