Overview

overview

10

Static

static

3

8171017365...74.exe

windows7-x64

10

8171017365...74.exe

windows10-2004-x64

7

Sharing

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General

  • Target

    81710173650e9b5ea0a2c5e732381274

  • Size

    251KB

  • Sample

    240130-eryresgbf6

  • MD5

    81710173650e9b5ea0a2c5e732381274

  • SHA1

    4bbc3234d3caad0b1e66b9569c9ba77d17c0e8a4

  • SHA256

    94048f57cda324c375b76a6bb687019ecb0b9b30b3251beac6e0e2fce72d4745

  • SHA512

    4d9997b73bb1501039c7f2864940b546fa2d7bf99a5b0bc42c1aeef89d088e51112da911845a0121ecffa7441520c7a7358793c7388cd63a7e62de0b5a65fe75

  • SSDEEP

    6144:hv21VCx4CaZY9WDmaI9ImzAPklP/XxDp1Hl/BmGK7YYLxn:6VC4Cb9WD9mUstxV1Hw7Yox

Score
10/10
persistence

Malware Config

Targets

    • Target

      81710173650e9b5ea0a2c5e732381274

    • Size

      251KB

    • MD5

      81710173650e9b5ea0a2c5e732381274

    • SHA1

      4bbc3234d3caad0b1e66b9569c9ba77d17c0e8a4

    • SHA256

      94048f57cda324c375b76a6bb687019ecb0b9b30b3251beac6e0e2fce72d4745

    • SHA512

      4d9997b73bb1501039c7f2864940b546fa2d7bf99a5b0bc42c1aeef89d088e51112da911845a0121ecffa7441520c7a7358793c7388cd63a7e62de0b5a65fe75

    • SSDEEP

      6144:hv21VCx4CaZY9WDmaI9ImzAPklP/XxDp1Hl/BmGK7YYLxn:6VC4Cb9WD9mUstxV1Hw7Yox

    Score
    10/10
    persistence

    • Modifies WinLogon for persistence

      persistence

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks