Analysis

  • max time kernel
    60s
  • max time network
    105s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    24-06-2021 10:14

General

  • Target

    gunzipped.exe

  • Size

    1.1MB

  • MD5

    42b6dbac1e076157112bfe9cab5eb637

  • SHA1

    7579e290775b3ae1596ceae78ec06cd89d025019

  • SHA256

    02dc856782b81740e20d02be3a51f9a20ef512c29077d6654ee0a6c1fc65c703

  • SHA512

    280e980f95c27fcb1033d2124e5df241aab83953b17f0486e85d5e8ca691c603c8f53cf23d164c4c6b3d98b30f6ea7966c9117466bb2a56c047392c07b1d8fc0

Malware Config

Extracted

Family

lokibot

C2

http://63.141.228.141/32.php/DEuZ9gRuoeHIN

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

  • Lokibot

    Lokibot is a Password and CryptoCoin Wallet Stealer.

  • Looks for VirtualBox Guest Additions in registry 2 TTPs
  • Looks for VMWare Tools registry key 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\gunzipped.exe
    "C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1776
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:852
    • C:\Users\Admin\AppData\Local\Temp\gunzipped.exe
      "C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"
      2⤵
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      PID:1252

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/852-73-0x0000000004832000-0x0000000004833000-memory.dmp
    Filesize

    4KB

  • memory/852-107-0x0000000006300000-0x0000000006301000-memory.dmp
    Filesize

    4KB

  • memory/852-70-0x0000000004870000-0x0000000004871000-memory.dmp
    Filesize

    4KB

  • memory/852-108-0x0000000006310000-0x0000000006311000-memory.dmp
    Filesize

    4KB

  • memory/852-72-0x0000000004830000-0x0000000004831000-memory.dmp
    Filesize

    4KB

  • memory/852-65-0x0000000000000000-mapping.dmp
  • memory/852-66-0x00000000753E1000-0x00000000753E3000-memory.dmp
    Filesize

    8KB

  • memory/852-67-0x0000000000990000-0x0000000000991000-memory.dmp
    Filesize

    4KB

  • memory/852-93-0x00000000055D0000-0x00000000055D1000-memory.dmp
    Filesize

    4KB

  • memory/852-92-0x0000000006280000-0x0000000006281000-memory.dmp
    Filesize

    4KB

  • memory/852-109-0x000000007EF30000-0x000000007EF31000-memory.dmp
    Filesize

    4KB

  • memory/852-85-0x0000000006160000-0x0000000006161000-memory.dmp
    Filesize

    4KB

  • memory/852-75-0x0000000002100000-0x0000000002101000-memory.dmp
    Filesize

    4KB

  • memory/852-84-0x00000000060C0000-0x00000000060C1000-memory.dmp
    Filesize

    4KB

  • memory/852-79-0x0000000005650000-0x0000000005651000-memory.dmp
    Filesize

    4KB

  • memory/852-76-0x0000000005240000-0x0000000005241000-memory.dmp
    Filesize

    4KB

  • memory/1252-74-0x0000000000400000-0x00000000004A2000-memory.dmp
    Filesize

    648KB

  • memory/1252-69-0x00000000004139DE-mapping.dmp
  • memory/1252-68-0x0000000000400000-0x00000000004A2000-memory.dmp
    Filesize

    648KB

  • memory/1776-59-0x0000000001110000-0x0000000001111000-memory.dmp
    Filesize

    4KB

  • memory/1776-61-0x0000000000490000-0x00000000004A0000-memory.dmp
    Filesize

    64KB

  • memory/1776-64-0x00000000051B0000-0x00000000051E2000-memory.dmp
    Filesize

    200KB

  • memory/1776-63-0x0000000005140000-0x00000000051AA000-memory.dmp
    Filesize

    424KB

  • memory/1776-62-0x0000000004D60000-0x0000000004D61000-memory.dmp
    Filesize

    4KB