Overview

overview

10

Static

static

10

workkkkkkkk2.exe

windows7-x64

10

workkkkkkkk2.exe

windows10-1703-x64

10

workkkkkkkk2.exe

windows10-2004-x64

10

Resubmissions

03-03-2023 16:50

230303-vcd2gaaa5v 10

03-03-2023 16:47

230303-vag1caaa4w 10

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General

  • Target

    workkkkkkkk2.exe

  • Size

    7.8MB

  • Sample

    230303-vcd2gaaa5v

  • MD5

    b42af31cea64330d0465bed0510089c0

  • SHA1

    3cd6c9277fe07111548e1030834c98e2412a380a

  • SHA256

    aba8bad15949bd79d6b47939afbe4a8febf82eab89527f42a08836da9022d7b8

  • SHA512

    138e37e9fea7a7fc50c9f1ddb61326825c5bda4418dace39024baa2062cebabe84f3df32bef41df937bb7427c948bd08830ef71d572941f5d23b4c87c9aa66f3

  • SSDEEP

    196608:oIRcbH4jSteTGvKxwhzav1yo31CPwDv3uFZjeg2EeJUO9WLQkDxtw3iFFrS6XOf:odHsfuKxwZ6v1CPwDv3uFteg2EeJUO9E

Score
10/10
bitratpersistenceransomwaretrojanupx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

n7dua2r7ev3r6fsisszycs7fvy4a36epnfje5s7lz5eiduoxetqg55ad.onion:80

Attributes
  • communication_password

    99754106633f94d350db34d548d6091a

  • install_dir

    temp

  • install_file

    test1

  • tor_process

    test2

Targets

    • Target

      workkkkkkkk2.exe

    • Size

      7.8MB

    • MD5

      b42af31cea64330d0465bed0510089c0

    • SHA1

      3cd6c9277fe07111548e1030834c98e2412a380a

    • SHA256

      aba8bad15949bd79d6b47939afbe4a8febf82eab89527f42a08836da9022d7b8

    • SHA512

      138e37e9fea7a7fc50c9f1ddb61326825c5bda4418dace39024baa2062cebabe84f3df32bef41df937bb7427c948bd08830ef71d572941f5d23b4c87c9aa66f3

    • SSDEEP

      196608:oIRcbH4jSteTGvKxwhzav1yo31CPwDv3uFZjeg2EeJUO9WLQkDxtw3iFFrS6XOf:odHsfuKxwZ6v1CPwDv3uFteg2EeJUO9E

    Score
    10/10
    bitratpersistencetrojanupxransomware

    • BitRAT

      BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

      trojanbitrat

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

    • Sets desktop wallpaper using registry

      ransomware

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2behavioral3

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

4
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

1
T1491

Tasks