Overview

overview

10

Static

static

3

mal.exe

windows7-x64

10

mal.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    mal.exe

  • Size

    3.2MB

  • Sample

    231012-v9956sha28

  • MD5

    cd2eb880ecbad847cb6205a42708e5e4

  • SHA1

    aadaba5e4d887136cbcb3df0a4dc0eb94f391585

  • SHA256

    001405ded84e227092bafe165117888d423719d7d75554025ec410d1d6558925

  • SHA512

    b0591d6e4181275001fdefb70e04bdeb1b241dc696a887f36375826904bc164714bfe5d0b86e39952f877309571b9a0212ca5e5f122c6393cb17a797b0c2f8b2

  • SSDEEP

    49152:Ww/9l48pPUbkSv5TCcLhAKFEl3In1bnkpisogrpu4r+3qwsi:WcfUbZGcLMIn1Lkp3lrpuh8i

Score
10/10
rustybuerloader

Malware Config

Extracted

Family

rustybuer

C2

https://vesupyny.com/

Targets

    • Target

      mal.exe

    • Size

      3.2MB

    • MD5

      cd2eb880ecbad847cb6205a42708e5e4

    • SHA1

      aadaba5e4d887136cbcb3df0a4dc0eb94f391585

    • SHA256

      001405ded84e227092bafe165117888d423719d7d75554025ec410d1d6558925

    • SHA512

      b0591d6e4181275001fdefb70e04bdeb1b241dc696a887f36375826904bc164714bfe5d0b86e39952f877309571b9a0212ca5e5f122c6393cb17a797b0c2f8b2

    • SSDEEP

      49152:Ww/9l48pPUbkSv5TCcLhAKFEl3In1bnkpisogrpu4r+3qwsi:WcfUbZGcLMIn1Lkp3lrpuh8i

    Score
    10/10
    rustybuerloader

    • RustyBuer

      RustyBuer is a new variant of Buer loader written in Rust.

      loaderrustybuer

    • Enumerates connected drives

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks