Analysis

  • max time kernel
    147s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-10-2022 09:45

General

  • Target

    d69fa812e0f838aed138fd42c00d23d531a70710687f36cbd954bdec77d4faf8.exe

  • Size

    414KB

  • MD5

    69c640721d56e29dde88a6015ee316ad

  • SHA1

    d2ac02e3dec5a5d54ef59ddada7c42aa4acbe411

  • SHA256

    d69fa812e0f838aed138fd42c00d23d531a70710687f36cbd954bdec77d4faf8

  • SHA512

    6a78c4d04012a421832e8bd85fc071736a48be54e8b2bbff36642838da854d5c30053dc30f42f11ec75c72e15a1ec17c3f9eae8749ac9b0089c839be7d8da957

  • SSDEEP

    6144:IKrxiyLvmWVXGlbA24ZjUPcajcUAOmhKo6iYK32FLUSdlFh6w4/nIVgcHw:VtLXh+owPcajlmh11M3ZUw4/DcQ

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • UAC bypass 3 TTPs 1 IoCs
  • ModiLoader Second Stage 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d69fa812e0f838aed138fd42c00d23d531a70710687f36cbd954bdec77d4faf8.exe
    "C:\Users\Admin\AppData\Local\Temp\d69fa812e0f838aed138fd42c00d23d531a70710687f36cbd954bdec77d4faf8.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:4616
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\server.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\server.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2200
      • C:\Windows\mstwain32.exe
        "C:\Windows\mstwain32.exe"
        3⤵
        • UAC bypass
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • System policy modification
        PID:4920
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2460

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\server.exe

    Filesize

    270KB

    MD5

    8b6c9f098b0a4d99ddf2b62fb6f93878

    SHA1

    4ae585cdbba74df272d602c3a7e23c5e425ceb6d

    SHA256

    acff69472697cb2a32a6b9fe6b6e7dfc2f28cd8785ea028982a60f799ac3a41a

    SHA512

    7a4ac40edf0167d609ab57da2327bdc49f2b9349f98bc47c12bcae1b18ba190997e2a452662ae891a1263a0da7bed27ddefbb99559f699380f85c94b2212b6c3

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\server.exe

    Filesize

    270KB

    MD5

    8b6c9f098b0a4d99ddf2b62fb6f93878

    SHA1

    4ae585cdbba74df272d602c3a7e23c5e425ceb6d

    SHA256

    acff69472697cb2a32a6b9fe6b6e7dfc2f28cd8785ea028982a60f799ac3a41a

    SHA512

    7a4ac40edf0167d609ab57da2327bdc49f2b9349f98bc47c12bcae1b18ba190997e2a452662ae891a1263a0da7bed27ddefbb99559f699380f85c94b2212b6c3

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    dc1555bc443fb6305492848c78635f1d

    SHA1

    89dd82aec9ee41ce743da9cbc7ee6e754007c316

    SHA256

    5793600ab91c5f60d2389af478c846672171598763bfbff3a4e636aba7658b03

    SHA512

    bc3cd050314d58253b62432a86af0e3451c6a302f715ad7d72acaac203d07b149bc9452a658ae33231ae10ff0361d6f52c25fc2fb420891aae3f2b5309785829

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    dc1555bc443fb6305492848c78635f1d

    SHA1

    89dd82aec9ee41ce743da9cbc7ee6e754007c316

    SHA256

    5793600ab91c5f60d2389af478c846672171598763bfbff3a4e636aba7658b03

    SHA512

    bc3cd050314d58253b62432a86af0e3451c6a302f715ad7d72acaac203d07b149bc9452a658ae33231ae10ff0361d6f52c25fc2fb420891aae3f2b5309785829

  • C:\Windows\mstwain32.exe

    Filesize

    270KB

    MD5

    8b6c9f098b0a4d99ddf2b62fb6f93878

    SHA1

    4ae585cdbba74df272d602c3a7e23c5e425ceb6d

    SHA256

    acff69472697cb2a32a6b9fe6b6e7dfc2f28cd8785ea028982a60f799ac3a41a

    SHA512

    7a4ac40edf0167d609ab57da2327bdc49f2b9349f98bc47c12bcae1b18ba190997e2a452662ae891a1263a0da7bed27ddefbb99559f699380f85c94b2212b6c3

  • C:\Windows\mstwain32.exe

    Filesize

    270KB

    MD5

    8b6c9f098b0a4d99ddf2b62fb6f93878

    SHA1

    4ae585cdbba74df272d602c3a7e23c5e425ceb6d

    SHA256

    acff69472697cb2a32a6b9fe6b6e7dfc2f28cd8785ea028982a60f799ac3a41a

    SHA512

    7a4ac40edf0167d609ab57da2327bdc49f2b9349f98bc47c12bcae1b18ba190997e2a452662ae891a1263a0da7bed27ddefbb99559f699380f85c94b2212b6c3

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/4920-142-0x0000000002200000-0x000000000220E000-memory.dmp

    Filesize

    56KB