Analysis

  • max time kernel
    146s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    26-07-2024 01:42

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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.

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1be7ffe419c1bac287de46b6fcb9ac986ee8d739b4803956fc114e6edcdf98e8.exe
    "C:\Users\Admin\AppData\Local\Temp\1be7ffe419c1bac287de46b6fcb9ac986ee8d739b4803956fc114e6edcdf98e8.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Users\Admin\AppData\Local\Temp\DNjTeg.exe
      C:\Users\Admin\AppData\Local\Temp\DNjTeg.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2148
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\0b49748e.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:6080
    • 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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:5680
      • 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:5796
        • C:\Windows\SysWOW64\notepad.exe
          "C:\Windows\system32\notepad.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\0b49748e.bat

    Filesize

    187B

    MD5

    aa4e9543420aede32b271cba4d4125ab

    SHA1

    b45b4c4f09a8815af29bbd0aa192a84f9f9bbefb

    SHA256

    e03cb9418a07072ce665b78b3cca1a70c6e82962e1403aa71bdcfade8ebe9669

    SHA512

    702eb5786f9707f121f786faab976143c8122ecdaa430746c9218d1af570b9c4d38f2a113a9264a60c88f6e42946671d5123443edcea2e1b9a8dd5f701eea591

  • C:\Users\Admin\AppData\Local\Temp\33EE4265.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • \??\c:\users\admin\appdata\roaming\{BCFB5896-D822-7DD2-6E08-57736034243F}\11448809.exe

    Filesize

    323KB

    MD5

    13782987c9a5c4ad10e8b1383f0ac2f3

    SHA1

    3806980775dad8044b68ce95c8cb29169ca8d72b

    SHA256

    1be7ffe419c1bac287de46b6fcb9ac986ee8d739b4803956fc114e6edcdf98e8

    SHA512

    453cef5bcdff5ecdd9400a0bf045ece446f8b5a7673d999840e79b0be3b7832aa677ae40fcf036ced152915ec6781bbd319af3e78fc42784ae3e5bdf1fc90d3b

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

    Filesize

    15KB

    MD5

    f7d21de5c4e81341eccd280c11ddcc9a

    SHA1

    d4e9ef10d7685d491583c6fa93ae5d9105d815bd

    SHA256

    4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

    SHA512

    e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

  • memory/2012-29-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB

  • memory/2012-1-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB

  • memory/2012-28-0x0000000050F70000-0x0000000050FD1000-memory.dmp

    Filesize

    388KB

  • memory/2012-27-0x00000000004F0000-0x00000000004F1000-memory.dmp

    Filesize

    4KB

  • memory/2012-9-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2012-10-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2148-92-0x0000000000050000-0x0000000000059000-memory.dmp

    Filesize

    36KB

  • memory/2148-49-0x0000000000400000-0x0000000000401000-memory.dmp

    Filesize

    4KB

  • memory/2148-52-0x0000000000340000-0x0000000000341000-memory.dmp

    Filesize

    4KB

  • memory/2148-11-0x0000000000050000-0x0000000000059000-memory.dmp

    Filesize

    36KB

  • memory/2884-104-0x00000000000C0000-0x00000000000C1000-memory.dmp

    Filesize

    4KB

  • memory/5680-20-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/5680-54-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/5680-31-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/5680-26-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/5680-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/5680-14-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/5680-18-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/5680-34-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/5680-16-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/5680-22-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/5796-46-0x00000000000E0000-0x000000000010B000-memory.dmp

    Filesize

    172KB

  • memory/5796-45-0x00000000000E0000-0x000000000010B000-memory.dmp

    Filesize

    172KB

  • memory/5796-44-0x00000000000E0000-0x000000000010B000-memory.dmp

    Filesize

    172KB

  • memory/5796-47-0x00000000000E0000-0x000000000010B000-memory.dmp

    Filesize

    172KB

  • memory/5796-53-0x00000000000E0000-0x000000000010B000-memory.dmp

    Filesize

    172KB

  • memory/5796-43-0x00000000000E0000-0x000000000010B000-memory.dmp

    Filesize

    172KB

  • memory/5796-42-0x00000000000E0000-0x000000000010B000-memory.dmp

    Filesize

    172KB

  • memory/5796-41-0x0000000000080000-0x00000000000D1000-memory.dmp

    Filesize

    324KB

  • memory/5796-105-0x00000000000E0000-0x000000000010B000-memory.dmp

    Filesize

    172KB

  • memory/6080-97-0x0000000000020000-0x0000000000021000-memory.dmp

    Filesize

    4KB