Overview

overview

10

Static

static

846b3f1522...60.exe

windows7-x64

10

846b3f1522...60.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    846b3f1522c68578f04fb68b210492627893479021a243b5df448a78bc63e560

  • Size

    698KB

  • Sample

    221123-q4c62aaf4x

  • MD5

    adf1f2cfd32c1e295965d5c1ccc5f77c

  • SHA1

    6771f86fdb99b7c89b3274405d297346f86633b4

  • SHA256

    846b3f1522c68578f04fb68b210492627893479021a243b5df448a78bc63e560

  • SHA512

    7eb514fc297a86a3e4f691d44c10fae698255798c7e5b4f90db453e79dde8ee3ad59783fc3c34354a1ff0bf7cc8697a0b9d039e25821f33f75cae70150323fd3

  • SSDEEP

    6144:7LbQJpSvFg8XfhHRZK8Y6XcfefT+OR+t4x55+flOwql97zYPQqcLLBQi8nv2hzVC:7HQJl63+G5OOwqLcPL0Bs2yhQRk0rbw

Score
10/10
xtremeratpersistenceratspywareupx

Malware Config

Targets

    • Target

      846b3f1522c68578f04fb68b210492627893479021a243b5df448a78bc63e560

    • Size

      698KB

    • MD5

      adf1f2cfd32c1e295965d5c1ccc5f77c

    • SHA1

      6771f86fdb99b7c89b3274405d297346f86633b4

    • SHA256

      846b3f1522c68578f04fb68b210492627893479021a243b5df448a78bc63e560

    • SHA512

      7eb514fc297a86a3e4f691d44c10fae698255798c7e5b4f90db453e79dde8ee3ad59783fc3c34354a1ff0bf7cc8697a0b9d039e25821f33f75cae70150323fd3

    • SSDEEP

      6144:7LbQJpSvFg8XfhHRZK8Y6XcfefT+OR+t4x55+flOwql97zYPQqcLLBQi8nv2hzVC:7HQJl63+G5OOwqLcPL0Bs2yhQRk0rbw

    Score
    10/10
    xtremeratpersistenceratspywareupx

    • Modifies WinLogon for persistence

      persistence

    • XtremeRAT

      The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

      persistencespywareratxtremerat

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks