Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    03-05-2021 13:08

General

  • Target

    a4b6da0419d1147387e225baa3506a44c4cc139b6eb35a4e1d5a7ece53c8ea57.bin.exe

  • Size

    742KB

  • MD5

    89324197965133a737f00cf3ea914d66

  • SHA1

    64147e0f689abce3feed599b0f8a931bc825f6e9

  • SHA256

    a4b6da0419d1147387e225baa3506a44c4cc139b6eb35a4e1d5a7ece53c8ea57

  • SHA512

    ed838f964f8f23e7675494674c34f7eb0959a4eccd2c635d9c422dc113b94fd7d667a547ee041a4ffc5dec22da32a71da88609cf40ed3112be70b1a5924ace4a

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.fulibo.net/treq/

Decoy

sungjinguk.com

xinglanyishu.com

datanghengtong.com

theeaglegolf.com

delco-west.com

scflb.com

phpss.com

the-casual1.club

nfmscholarship.com

badtweezers.com

leonardkoh.com

ex-un.com

hft20001224.com

repurposingforresults.com

purerehabandperformance.com

tower9taik.com

goldenesq.com

wrushop.online

ttlqpphp.xyz

fabbvida.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 2 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.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4b6da0419d1147387e225baa3506a44c4cc139b6eb35a4e1d5a7ece53c8ea57.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\a4b6da0419d1147387e225baa3506a44c4cc139b6eb35a4e1d5a7ece53c8ea57.bin.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oAfLOHyig" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDA0A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1720
    • C:\Users\Admin\AppData\Local\Temp\a4b6da0419d1147387e225baa3506a44c4cc139b6eb35a4e1d5a7ece53c8ea57.bin.exe
      "C:\Users\Admin\AppData\Local\Temp\a4b6da0419d1147387e225baa3506a44c4cc139b6eb35a4e1d5a7ece53c8ea57.bin.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:404

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpDA0A.tmp
    MD5

    e838be946bf1e89d7b522895948b2cb7

    SHA1

    f0e5ac00ac1999a31fbf641f0d32236ce67cddc5

    SHA256

    273361e3292ff5b9dadcfee9eb16a35ae19b2710afa4fb949cccb21295b9514a

    SHA512

    9158643ff92239b08ccd59f2eab993dc9a430e1ee74d97fd8f45ee8e5e235eb936d9a58ca191d67f30517ff081603f483f39572bd2b0131f47dbdca3ff2def9c

  • memory/404-67-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/404-68-0x000000000041CFB0-mapping.dmp
  • memory/404-70-0x00000000009C0000-0x0000000000CC3000-memory.dmp
    Filesize

    3.0MB

  • memory/1088-59-0x0000000000900000-0x0000000000901000-memory.dmp
    Filesize

    4KB

  • memory/1088-61-0x0000000000340000-0x000000000034E000-memory.dmp
    Filesize

    56KB

  • memory/1088-62-0x0000000004D50000-0x0000000004D51000-memory.dmp
    Filesize

    4KB

  • memory/1088-63-0x0000000004FB0000-0x0000000005057000-memory.dmp
    Filesize

    668KB

  • memory/1088-64-0x0000000002180000-0x00000000021E0000-memory.dmp
    Filesize

    384KB

  • memory/1720-65-0x0000000000000000-mapping.dmp