Analysis

  • max time kernel
    126s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19-07-2020 19:25

General

  • Target

    grabbot_0.1.5.6.vir.exe

  • Size

    272KB

  • MD5

    6ce43ef9a666503ac85cbb5d48bd75ba

  • SHA1

    7dc3a3f882c2e558ecb298104b2a437afb7ab5ca

  • SHA256

    285361e7099454daec2fce73cd72a01bc7d5edc81fb4f0698a9c20a775fb9c84

  • SHA512

    b1da8b8090be41b3b1240d8f13176bec1f85fba142e2d256772a615982db754525827accadc5049990ccb636e0de19486c796ba6b77bd547c87fc6704b3e64e8

Malware Config

Signatures

  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of SendNotifyMessage
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Deletes itself
    • Suspicious use of FindShellTrayWindow
    PID:1224
    • C:\Users\Admin\AppData\Local\Temp\grabbot_0.1.5.6.vir.exe
      "C:\Users\Admin\AppData\Local\Temp\grabbot_0.1.5.6.vir.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1156
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Windows\system32\svchost.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious behavior: EnumeratesProcesses
        PID:1700

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\{9A2447D0-8980-7400-6000-5ED0B06AD6}\UW3Cc9sK
  • memory/1700-0-0x0000000010000000-0x000000001001F000-memory.dmp
    Filesize

    124KB

  • memory/1700-1-0x0000000010010DED-mapping.dmp
  • memory/1700-2-0x0000000010000000-0x000000001001F000-memory.dmp
    Filesize

    124KB