Analysis

  • max time kernel
    146s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 17:09

General

  • Target

    1be7ffe419c1bac287de46b6fcb9ac986ee8d739b4803956fc114e6edcdf98e8.exe

  • Size

    323KB

  • MD5

    13782987c9a5c4ad10e8b1383f0ac2f3

  • SHA1

    3806980775dad8044b68ce95c8cb29169ca8d72b

  • SHA256

    1be7ffe419c1bac287de46b6fcb9ac986ee8d739b4803956fc114e6edcdf98e8

  • SHA512

    453cef5bcdff5ecdd9400a0bf045ece446f8b5a7673d999840e79b0be3b7832aa677ae40fcf036ced152915ec6781bbd319af3e78fc42784ae3e5bdf1fc90d3b

  • SSDEEP

    3072:l9cCrlEZG6zE3Yc8wDvjOxmQ/q8xw1J0pSsz0GK0iRkPkNF82QuH2jYbw4mLtHGE:l9celETLTuPcz0GK0nsNv2+w4Om

Malware Config

Extracted

Family

mylobot

C2

op17.ru:6006

eakalra.ru:1281

zgclgdb.ru:8518

hpifnad.ru:3721

lbjcwix.ru:8326

rykacfb.ru:8483

benkofx.ru:3333

fpzskbc.ru:9364

ouxtjzd.ru:8658

schwpxp.ru:2956

pspkgya.ru:2675

lmlwtdm.ru:2768

rzwnsph.ru:5898

awtiwzk.ru:9816

pzljenb.ru:3486

yhjtpyf.ru:3565

ogkbsoq.ru:2553

rjngcbj.ru:5655

jlfeopz.ru:4698

wqcruiz.ru:2165

Signatures

  • Mylobot

    Botnet which first appeared in 2017 written in C++.

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 2 IoCs

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

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1be7ffe419c1bac287de46b6fcb9ac986ee8d739b4803956fc114e6edcdf98e8.exe
    "C:\Users\Admin\AppData\Local\Temp\1be7ffe419c1bac287de46b6fcb9ac986ee8d739b4803956fc114e6edcdf98e8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Users\Admin\AppData\Local\Temp\DNjTeg.exe
      C:\Users\Admin\AppData\Local\Temp\DNjTeg.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3944
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\21f52487.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2812
    • C:\Users\Admin\AppData\Local\Temp\1be7ffe419c1bac287de46b6fcb9ac986ee8d739b4803956fc114e6edcdf98e8.exe
      "C:\Users\Admin\AppData\Local\Temp\1be7ffe419c1bac287de46b6fcb9ac986ee8d739b4803956fc114e6edcdf98e8.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:7752
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Windows\system32\svchost.exe"
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:7852
        • C:\Windows\SysWOW64\notepad.exe
          "C:\Windows\system32\notepad.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\21f52487.bat

    Filesize

    187B

    MD5

    f8e87cf27fcf1917188f71f7b351d47f

    SHA1

    f4bc5511ed13c3d4f9a424da54a4ef68f1243d3c

    SHA256

    262db16ed689a6c0185c0b972ad044433d987c726d1765b13d9c328cf65832cc

    SHA512

    f1f7b776c01a4f6be0fe716e3f2c67366dcf4b152ac62a1ab860e3bf0986909a00f05a29f2c07f23cde5d599396e3cc941ecbc60a0cd48ceffa99aa85d657ab5

  • C:\Users\Admin\AppData\Local\Temp\40D72AF4.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\DNjTeg.exe

    Filesize

    15KB

    MD5

    f7d21de5c4e81341eccd280c11ddcc9a

    SHA1

    d4e9ef10d7685d491583c6fa93ae5d9105d815bd

    SHA256

    4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

    SHA512

    e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

  • \??\c:\users\admin\appdata\roaming\{98EFD37F-476F-BD61-107B-F8445D84025C}\355003e0.exe

    Filesize

    323KB

    MD5

    13782987c9a5c4ad10e8b1383f0ac2f3

    SHA1

    3806980775dad8044b68ce95c8cb29169ca8d72b

    SHA256

    1be7ffe419c1bac287de46b6fcb9ac986ee8d739b4803956fc114e6edcdf98e8

    SHA512

    453cef5bcdff5ecdd9400a0bf045ece446f8b5a7673d999840e79b0be3b7832aa677ae40fcf036ced152915ec6781bbd319af3e78fc42784ae3e5bdf1fc90d3b

  • memory/1100-0-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB

  • memory/1100-10-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB

  • memory/1100-7-0x000000000F7F0000-0x000000000F7F1000-memory.dmp

    Filesize

    4KB

  • memory/2044-72-0x0000000000480000-0x0000000000481000-memory.dmp

    Filesize

    4KB

  • memory/2812-69-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/3944-33-0x0000000000750000-0x0000000000759000-memory.dmp

    Filesize

    36KB

  • memory/3944-68-0x0000000000750000-0x0000000000759000-memory.dmp

    Filesize

    36KB

  • memory/3944-28-0x0000000003C50000-0x0000000003C51000-memory.dmp

    Filesize

    4KB

  • memory/3944-5-0x0000000000750000-0x0000000000759000-memory.dmp

    Filesize

    36KB

  • memory/7752-11-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/7752-32-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/7752-9-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/7752-12-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/7752-8-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/7852-29-0x0000000000750000-0x000000000077B000-memory.dmp

    Filesize

    172KB

  • memory/7852-27-0x0000000000750000-0x000000000077B000-memory.dmp

    Filesize

    172KB

  • memory/7852-26-0x0000000000750000-0x000000000077B000-memory.dmp

    Filesize

    172KB

  • memory/7852-25-0x0000000000750000-0x000000000077B000-memory.dmp

    Filesize

    172KB

  • memory/7852-23-0x0000000000750000-0x000000000077B000-memory.dmp

    Filesize

    172KB

  • memory/7852-24-0x0000000000750000-0x000000000077B000-memory.dmp

    Filesize

    172KB

  • memory/7852-22-0x0000000000750000-0x000000000077B000-memory.dmp

    Filesize

    172KB

  • memory/7852-73-0x0000000000750000-0x000000000077B000-memory.dmp

    Filesize

    172KB