Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    03-05-2021 14:03

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 2 IoCs
  • Suspicious use of WriteProcessMemory 9 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:500
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oAfLOHyig" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD310.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1908
    • C:\Users\Admin\AppData\Local\Temp\a4b6da0419d1147387e225baa3506a44c4cc139b6eb35a4e1d5a7ece53c8ea57.bin.exe
      "C:\Users\Admin\AppData\Local\Temp\a4b6da0419d1147387e225baa3506a44c4cc139b6eb35a4e1d5a7ece53c8ea57.bin.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1092

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\tmpD310.tmp
    MD5

    ad1e41cba3f3b6084b242718423291c2

    SHA1

    3fabc3dc75228a0b068595a5d3964386f9e43228

    SHA256

    a63303f06681daffdd869121dbdc2902bb79a55e1e5d34724a889d88e44be432

    SHA512

    153258d53bd7dfda8271c39cc667fbc75f05abd28795648508a1df6fa239eec012c62b5fbe43e5ee2d5b37b1f23f25989b7b84529ba726472dd9f57947a5a19b

  • memory/500-121-0x0000000004BF0000-0x0000000004C82000-memory.dmp
    Filesize

    584KB

  • memory/500-123-0x0000000005AA0000-0x0000000005B47000-memory.dmp
    Filesize

    668KB

  • memory/500-118-0x0000000004D60000-0x0000000004D61000-memory.dmp
    Filesize

    4KB

  • memory/500-119-0x0000000004C50000-0x0000000004C51000-memory.dmp
    Filesize

    4KB

  • memory/500-120-0x0000000004F50000-0x0000000004F51000-memory.dmp
    Filesize

    4KB

  • memory/500-114-0x0000000000390000-0x0000000000391000-memory.dmp
    Filesize

    4KB

  • memory/500-122-0x0000000004E70000-0x0000000004E7E000-memory.dmp
    Filesize

    56KB

  • memory/500-117-0x0000000005260000-0x0000000005261000-memory.dmp
    Filesize

    4KB

  • memory/500-124-0x0000000008000000-0x0000000008060000-memory.dmp
    Filesize

    384KB

  • memory/500-116-0x0000000004CC0000-0x0000000004CC1000-memory.dmp
    Filesize

    4KB

  • memory/1092-128-0x000000000041CFB0-mapping.dmp
  • memory/1092-127-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/1092-130-0x00000000013E0000-0x0000000001700000-memory.dmp
    Filesize

    3.1MB

  • memory/1908-125-0x0000000000000000-mapping.dmp