Analysis

  • max time kernel
    106s
  • max time network
    109s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    27-09-2021 08:35

General

  • Target

    196ef716e51eb90f7ffcfd2219ce1d5e.exe

  • Size

    253KB

  • MD5

    196ef716e51eb90f7ffcfd2219ce1d5e

  • SHA1

    3c5d438cb3dee2b0474ea45be67069db184e26bb

  • SHA256

    c5ccdeea44050d8be9cf04b42ba6336dfd81e4a930ec6cd916f5f4e3a5f713bb

  • SHA512

    e303bd36a6cd409bf146b0716a52c50ab5069b3dd513303a8c63c1494013450e5a84ee0bf7eb5d7396946080f57ef08275e09326bc2bd3fc80f94f911e872759

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

m0np

C2

http://www.devmedicalcentre.com/m0np/

Decoy

gruppovimar.com

seniordatingtv.com

pinpinyouqian.website

retreatreflectreplenish.com

baby-handmade.store

econsupplies.com

helloaustinpodcast.com

europe-lodging.com

ferahanaokulu.com

thehomeinspo.com

rawhoneytnpasumo6.xyz

tyckasei.quest

scissorsandbuffer.com

jatinvestmentsmaldives.com

softandcute.store

afuturemakerspromotions.online

leonsigntech.com

havetheshortscovered.com

cvkf.email

iplyyu.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 2 IoCs
  • Loads dropped DLL 1 IoCs
  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\196ef716e51eb90f7ffcfd2219ce1d5e.exe
    "C:\Users\Admin\AppData\Local\Temp\196ef716e51eb90f7ffcfd2219ce1d5e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Users\Admin\AppData\Local\Temp\196ef716e51eb90f7ffcfd2219ce1d5e.exe
      "C:\Users\Admin\AppData\Local\Temp\196ef716e51eb90f7ffcfd2219ce1d5e.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1836

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nsa931B.tmp\wkpnpsjabyz.dll
    MD5

    cceb1c08032a04804191f34f7e070d5d

    SHA1

    7a6628b4b164874e61a034b17b669631dc3d7eb7

    SHA256

    eed96b31d0af300135ddd50ba8274b31d7902564bcb5c84224e5d1b2e357aaae

    SHA512

    e5ac48d0d422dc53133c15a1e8029cdf500186096b253e9893568410a20dfe25301e897db2b1cf902e2d1c85cde0309b1e4ac2c9b7cdeed5c41f1af472c23467

  • memory/1660-60-0x0000000075DA1000-0x0000000075DA3000-memory.dmp
    Filesize

    8KB

  • memory/1836-62-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1836-63-0x000000000041D450-mapping.dmp
  • memory/1836-64-0x0000000000820000-0x0000000000B23000-memory.dmp
    Filesize

    3.0MB