Analysis

  • max time kernel
    146s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-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

  • 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:1040
    • 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:2448
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\6b4d78be.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:6068
    • 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:5620
      • 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:5708
        • C:\Windows\SysWOW64\notepad.exe
          "C:\Windows\system32\notepad.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\WK27LCMU\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\29CF3E3B.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\6b4d78be.bat

    Filesize

    187B

    MD5

    ab6d4d062a50a1a73c985628bab70a93

    SHA1

    95fffa44b0836b69ef1be32ccdaaf40213c2d882

    SHA256

    0f74c26d268b7f876144029e94bb2fbf26612a3bfa76eec78977a11e463da515

    SHA512

    67facd2791176ea8647eca9b3e770ef1a47faada47c4cb6a63b99ed190b42ece7fa978a3ca74f3fc5b346b65110048dfcaf80378dacd009e4c743b294545405d

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

    Filesize

    15KB

    MD5

    f7d21de5c4e81341eccd280c11ddcc9a

    SHA1

    d4e9ef10d7685d491583c6fa93ae5d9105d815bd

    SHA256

    4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

    SHA512

    e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

  • \??\c:\users\admin\appdata\roaming\{F0582EC5-9F5B-D6FE-3BFC-4FEE4DE9FF15}\5de7fe5a.exe

    Filesize

    323KB

    MD5

    13782987c9a5c4ad10e8b1383f0ac2f3

    SHA1

    3806980775dad8044b68ce95c8cb29169ca8d72b

    SHA256

    1be7ffe419c1bac287de46b6fcb9ac986ee8d739b4803956fc114e6edcdf98e8

    SHA512

    453cef5bcdff5ecdd9400a0bf045ece446f8b5a7673d999840e79b0be3b7832aa677ae40fcf036ced152915ec6781bbd319af3e78fc42784ae3e5bdf1fc90d3b

  • memory/1040-0-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB

  • memory/1040-9-0x00000000003D0000-0x00000000003D9000-memory.dmp

    Filesize

    36KB

  • memory/1040-8-0x00000000003D0000-0x00000000003D9000-memory.dmp

    Filesize

    36KB

  • memory/1040-31-0x0000000050FF0000-0x0000000051051000-memory.dmp

    Filesize

    388KB

  • memory/1040-30-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB

  • memory/1040-14-0x0000000000370000-0x0000000000371000-memory.dmp

    Filesize

    4KB

  • memory/2448-11-0x00000000003D0000-0x00000000003D9000-memory.dmp

    Filesize

    36KB

  • memory/2448-44-0x0000000000620000-0x0000000000621000-memory.dmp

    Filesize

    4KB

  • memory/2448-46-0x0000000000600000-0x0000000000601000-memory.dmp

    Filesize

    4KB

  • memory/2448-92-0x00000000003D0000-0x00000000003D9000-memory.dmp

    Filesize

    36KB

  • memory/5616-104-0x00000000000C0000-0x00000000000C1000-memory.dmp

    Filesize

    4KB

  • memory/5620-23-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/5620-15-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/5620-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/5620-29-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/5620-32-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/5620-49-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/5620-27-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/5620-17-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/5620-21-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/5620-19-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/5708-36-0x0000000000130000-0x000000000015B000-memory.dmp

    Filesize

    172KB

  • memory/5708-40-0x0000000000130000-0x000000000015B000-memory.dmp

    Filesize

    172KB

  • memory/5708-39-0x0000000000130000-0x000000000015B000-memory.dmp

    Filesize

    172KB

  • memory/5708-41-0x0000000000130000-0x000000000015B000-memory.dmp

    Filesize

    172KB

  • memory/5708-42-0x0000000000130000-0x000000000015B000-memory.dmp

    Filesize

    172KB

  • memory/5708-47-0x0000000000130000-0x000000000015B000-memory.dmp

    Filesize

    172KB

  • memory/5708-38-0x0000000000130000-0x000000000015B000-memory.dmp

    Filesize

    172KB

  • memory/5708-35-0x0000000000080000-0x00000000000D1000-memory.dmp

    Filesize

    324KB

  • memory/5708-105-0x0000000000130000-0x000000000015B000-memory.dmp

    Filesize

    172KB

  • memory/6068-97-0x0000000000020000-0x0000000000021000-memory.dmp

    Filesize

    4KB