Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    26-01-2022 18:10

General

  • Target

    INV88272727271_REQUIREMENT_02727272272.exe

  • Size

    245KB

  • MD5

    1a97ab72ef6c22d9508ad78db60ca205

  • SHA1

    05122e7544d6eaa53aaf36cc34aff27a17a192d7

  • SHA256

    947a0f977737ff7dfa8ae17eb2eff4b0ec4b51479c76f12f60d0b8c40ca9d323

  • SHA512

    cb541ef914b7c998913dfe0359a1b42345fc5705f174399c8153cab4e2a6c542d6881ef00d83505c6fbc3b38c1eddf033bc90ca67dcc3050f8d3264caa34ed36

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

rmfg

Decoy

prospectcompounding.com

grand-prix.voyage

solvingpklogc.xyz

eliamhome.com

gamevip88.club

arsels.info

dswlt.com

dchehe.com

lawyerjerusalem.com

pbnseo.xyz

apuryifuid.com

kiukiupoker88.net

leannonimpact.com

kare-furniture.com

mississaugaremax.online

zpyh198.com

dueplay.store

naimi.ltd

greenstepspodiatry.com

cewirtanen.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 1 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\INV88272727271_REQUIREMENT_02727272272.exe
    "C:\Users\Admin\AppData\Local\Temp\INV88272727271_REQUIREMENT_02727272272.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Users\Admin\AppData\Local\Temp\INV88272727271_REQUIREMENT_02727272272.exe
      "C:\Users\Admin\AppData\Local\Temp\INV88272727271_REQUIREMENT_02727272272.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:776

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\nsyF5C6.tmp\xjzq.dll
    MD5

    2a17c8c8f13a3cde9c7f0da98d7f2c71

    SHA1

    cfb4dc9a82c18285fba188b2556327a7415cd2b5

    SHA256

    811ec72790978744eb3367756a5be669217e6cd8acad47fac733a8c6d094db20

    SHA512

    1499bbd6e947c3cdefd164944a8adedee58321d65e1766a534904e27fb3f5e9245d4e75f0d6915c7c726b3fc28d60220f991f6af19aae2294cc164d542987f96

  • memory/776-56-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/776-57-0x0000000000730000-0x0000000000A33000-memory.dmp
    Filesize

    3.0MB

  • memory/1460-54-0x0000000075431000-0x0000000075433000-memory.dmp
    Filesize

    8KB