Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    30-06-2020 17:36

General

  • Target

    Pago Factura.xls

  • Size

    160KB

  • MD5

    03b1061e0a0cdf717e60708f1051d156

  • SHA1

    2c3a07752cb73e1b0bd80f2b6554f0ec4bed2ba8

  • SHA256

    b2716ac6169dc9ab6107117a9f88e4e30b1dd8cf7563f26cfec15ed3ee0fd2e0

  • SHA512

    98129c7d88a3f079595846d3e00eac3d7f6b7e35151f1dd80d4e31b1290fc6dee88129f53e903b3956be3ac69606d696c86ee540f654d7b72701d2744bdcd3fd

Malware Config

Extracted

Family

lokibot

C2

http://46.21.147.175/FtgPlac/Panel/five/fre.php

http://kbfvzoboss.bid/alien/fre.php

http://alphastand.trade/alien/fre.php

http://alphastand.win/alien/fre.php

http://alphastand.top/alien/fre.php

Signatures

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of WriteProcessMemory 14 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Lokibot

    Lokibot is a Password and CryptoCoin Wallet Stealer.

  • Office loads VBA resources, possible macro or embedded object present

Processes

  • C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\Pago Factura.xls"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of WriteProcessMemory
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:1424
    • C:\Users\Admin\AppData\Roaming\cssrs.exe
      "C:\Users\Admin\AppData\Roaming\cssrs.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      • Checks BIOS information in registry
      • Looks for VirtualBox Guest Additions in registry
      • Suspicious use of SetThreadContext
      • Looks for VMWare Tools registry key
      • Maps connected drives based on registry
      PID:1816
      • C:\Users\Admin\AppData\Roaming\cssrs.exe
        "{path}"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1268

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\cssrs.exe
  • C:\Users\Admin\AppData\Roaming\cssrs.exe
  • C:\Users\Admin\AppData\Roaming\cssrs.exe
  • memory/1268-6-0x0000000000400000-0x00000000004A2000-memory.dmp
    Filesize

    648KB

  • memory/1268-7-0x00000000004139DE-mapping.dmp
  • memory/1268-9-0x0000000000400000-0x00000000004A2000-memory.dmp
    Filesize

    648KB

  • memory/1424-0-0x0000000007110000-0x0000000007210000-memory.dmp
    Filesize

    1024KB

  • memory/1424-1-0x0000000007110000-0x0000000007210000-memory.dmp
    Filesize

    1024KB

  • memory/1424-2-0x0000000007110000-0x0000000007210000-memory.dmp
    Filesize

    1024KB

  • memory/1816-3-0x0000000000000000-mapping.dmp