Analysis

  • max time kernel
    176s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2022 13:18

General

  • Target

    c88ed9d97d99ef02a63eb6d21840355891f17c1ea487438255ebe7ef5d53ccfb.exe

  • Size

    706KB

  • MD5

    3b1dabb184ddb3d2d6831bfa99e9cf69

  • SHA1

    65bbe9e8677bd0b8a6f1a01751ce67e87742e6f0

  • SHA256

    c88ed9d97d99ef02a63eb6d21840355891f17c1ea487438255ebe7ef5d53ccfb

  • SHA512

    823933be99210b596e2c600fcf3138223e50dd1fb2ddefc392c72ef1cd466eaaf877d8e735d2399fb28b1281ef3c2cf29c6e2d729d486133c470b7a23d12484f

  • SSDEEP

    12288:2kfclKA/0eQdQFVaxrXgsviCx0t64eeg25CrpmUF4znjZSBei/ZFfdYi:wKeNTnaxrB664eKuUU6jZSgie

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 2 IoCs
  • Executes dropped EXE 5 IoCs
  • UPX packed file 14 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 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.

  • Modifies registry class 19 IoCs
  • NTFS ADS 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c88ed9d97d99ef02a63eb6d21840355891f17c1ea487438255ebe7ef5d53ccfb.exe
    "C:\Users\Admin\AppData\Local\Temp\c88ed9d97d99ef02a63eb6d21840355891f17c1ea487438255ebe7ef5d53ccfb.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3532
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Xr.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Xr.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:792
      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Xr.exe
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Xr.exe
        3⤵
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Checks computer location settings
        • Checks whether UAC is enabled
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2736
        • C:\Windows\mstwain32.exe
          "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Xr.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3952
          • C:\Windows\mstwain32.exe
            "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Xr.exe"
            5⤵
            • UAC bypass
            • Executes dropped EXE
            • Checks BIOS information in registry
            • Loads dropped DLL
            • Adds Run key to start application
            • Checks whether UAC is enabled
            • Drops file in Windows directory
            • Modifies registry class
            • NTFS ADS
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • System policy modification
            PID:4780
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\XR21~1.EXE
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\XR21~1.EXE
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4896
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4924

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

3
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

4
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\XR21~1.EXE
    Filesize

    188KB

    MD5

    232b445424e186a67ca325b26c3dafbe

    SHA1

    82f9b50fe47d2ecdac4a4cce8a2b0a29314a878a

    SHA256

    6a6356749a31332c931171e09bef01f870253e8ac660307ce6881ff2a0e21797

    SHA512

    b72d47a9aa4a3a5adb0fdbb8f4a392fb6b990037a6e786ac6034f7078fe4cf5d148607b584b146bbb17a6cea83097f547c925100004db2c0cb9623cd497fe80d

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\XR21~1.EXE
    Filesize

    188KB

    MD5

    232b445424e186a67ca325b26c3dafbe

    SHA1

    82f9b50fe47d2ecdac4a4cce8a2b0a29314a878a

    SHA256

    6a6356749a31332c931171e09bef01f870253e8ac660307ce6881ff2a0e21797

    SHA512

    b72d47a9aa4a3a5adb0fdbb8f4a392fb6b990037a6e786ac6034f7078fe4cf5d148607b584b146bbb17a6cea83097f547c925100004db2c0cb9623cd497fe80d

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Xr.exe
    Filesize

    756KB

    MD5

    461c6845216d9b4d5723a3fd1ac2a397

    SHA1

    861cbd5863cb0c60a43951625fb4bf9733ceaf66

    SHA256

    820460c0996c10a97cdbc258b543750d64a69737195b2b42cc716771ca3f427d

    SHA512

    a5b77404a4ddaaa3d925dc369e11f0b73ae9f8ae40d62a0dcde5c3ce88e97b4482e56fd4bf49051239ffaa1bfc6f133893013208fc9cf5b6f3959b5f799e99ea

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Xr.exe
    Filesize

    756KB

    MD5

    461c6845216d9b4d5723a3fd1ac2a397

    SHA1

    861cbd5863cb0c60a43951625fb4bf9733ceaf66

    SHA256

    820460c0996c10a97cdbc258b543750d64a69737195b2b42cc716771ca3f427d

    SHA512

    a5b77404a4ddaaa3d925dc369e11f0b73ae9f8ae40d62a0dcde5c3ce88e97b4482e56fd4bf49051239ffaa1bfc6f133893013208fc9cf5b6f3959b5f799e99ea

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Xr.exe
    Filesize

    756KB

    MD5

    461c6845216d9b4d5723a3fd1ac2a397

    SHA1

    861cbd5863cb0c60a43951625fb4bf9733ceaf66

    SHA256

    820460c0996c10a97cdbc258b543750d64a69737195b2b42cc716771ca3f427d

    SHA512

    a5b77404a4ddaaa3d925dc369e11f0b73ae9f8ae40d62a0dcde5c3ce88e97b4482e56fd4bf49051239ffaa1bfc6f133893013208fc9cf5b6f3959b5f799e99ea

  • C:\Windows\cmsetac.dll
    Filesize

    33KB

    MD5

    d7412881eacb9eec1da9a915176c0765

    SHA1

    93d436de01356a8ca1e9eaef15c3794ae3957349

    SHA256

    b483a2c507abb51943554020f27f17eef241d582b76acd5b2f9bf3f15b7173ab

    SHA512

    eb187e92ab2ba1a9978ad620e6148f62ddf2fb608abcc9b78da2399e27a7339a13961116f13df3a3663e89b6bd4beba0a2b1d1521c146625c591fc3281d8a43d

  • C:\Windows\cmsetac.dll
    Filesize

    33KB

    MD5

    d7412881eacb9eec1da9a915176c0765

    SHA1

    93d436de01356a8ca1e9eaef15c3794ae3957349

    SHA256

    b483a2c507abb51943554020f27f17eef241d582b76acd5b2f9bf3f15b7173ab

    SHA512

    eb187e92ab2ba1a9978ad620e6148f62ddf2fb608abcc9b78da2399e27a7339a13961116f13df3a3663e89b6bd4beba0a2b1d1521c146625c591fc3281d8a43d

  • C:\Windows\cmsetac.dll
    Filesize

    33KB

    MD5

    d7412881eacb9eec1da9a915176c0765

    SHA1

    93d436de01356a8ca1e9eaef15c3794ae3957349

    SHA256

    b483a2c507abb51943554020f27f17eef241d582b76acd5b2f9bf3f15b7173ab

    SHA512

    eb187e92ab2ba1a9978ad620e6148f62ddf2fb608abcc9b78da2399e27a7339a13961116f13df3a3663e89b6bd4beba0a2b1d1521c146625c591fc3281d8a43d

  • C:\Windows\cmsetac.dll
    Filesize

    33KB

    MD5

    d7412881eacb9eec1da9a915176c0765

    SHA1

    93d436de01356a8ca1e9eaef15c3794ae3957349

    SHA256

    b483a2c507abb51943554020f27f17eef241d582b76acd5b2f9bf3f15b7173ab

    SHA512

    eb187e92ab2ba1a9978ad620e6148f62ddf2fb608abcc9b78da2399e27a7339a13961116f13df3a3663e89b6bd4beba0a2b1d1521c146625c591fc3281d8a43d

  • C:\Windows\cmsetac.dll
    Filesize

    33KB

    MD5

    d7412881eacb9eec1da9a915176c0765

    SHA1

    93d436de01356a8ca1e9eaef15c3794ae3957349

    SHA256

    b483a2c507abb51943554020f27f17eef241d582b76acd5b2f9bf3f15b7173ab

    SHA512

    eb187e92ab2ba1a9978ad620e6148f62ddf2fb608abcc9b78da2399e27a7339a13961116f13df3a3663e89b6bd4beba0a2b1d1521c146625c591fc3281d8a43d

  • C:\Windows\mstwain32.exe
    Filesize

    756KB

    MD5

    461c6845216d9b4d5723a3fd1ac2a397

    SHA1

    861cbd5863cb0c60a43951625fb4bf9733ceaf66

    SHA256

    820460c0996c10a97cdbc258b543750d64a69737195b2b42cc716771ca3f427d

    SHA512

    a5b77404a4ddaaa3d925dc369e11f0b73ae9f8ae40d62a0dcde5c3ce88e97b4482e56fd4bf49051239ffaa1bfc6f133893013208fc9cf5b6f3959b5f799e99ea

  • C:\Windows\mstwain32.exe
    Filesize

    756KB

    MD5

    461c6845216d9b4d5723a3fd1ac2a397

    SHA1

    861cbd5863cb0c60a43951625fb4bf9733ceaf66

    SHA256

    820460c0996c10a97cdbc258b543750d64a69737195b2b42cc716771ca3f427d

    SHA512

    a5b77404a4ddaaa3d925dc369e11f0b73ae9f8ae40d62a0dcde5c3ce88e97b4482e56fd4bf49051239ffaa1bfc6f133893013208fc9cf5b6f3959b5f799e99ea

  • C:\Windows\mstwain32.exe
    Filesize

    756KB

    MD5

    461c6845216d9b4d5723a3fd1ac2a397

    SHA1

    861cbd5863cb0c60a43951625fb4bf9733ceaf66

    SHA256

    820460c0996c10a97cdbc258b543750d64a69737195b2b42cc716771ca3f427d

    SHA512

    a5b77404a4ddaaa3d925dc369e11f0b73ae9f8ae40d62a0dcde5c3ce88e97b4482e56fd4bf49051239ffaa1bfc6f133893013208fc9cf5b6f3959b5f799e99ea

  • 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/792-132-0x0000000000000000-mapping.dmp
  • memory/792-152-0x0000000000400000-0x0000000000520000-memory.dmp
    Filesize

    1.1MB

  • memory/792-139-0x0000000000400000-0x0000000000520000-memory.dmp
    Filesize

    1.1MB

  • memory/2736-146-0x0000000002031000-0x000000000209E000-memory.dmp
    Filesize

    436KB

  • memory/2736-157-0x0000000000400000-0x0000000000520000-memory.dmp
    Filesize

    1.1MB

  • memory/2736-136-0x0000000000000000-mapping.dmp
  • memory/2736-140-0x0000000000400000-0x0000000000520000-memory.dmp
    Filesize

    1.1MB

  • memory/2736-141-0x0000000002030000-0x00000000020C4000-memory.dmp
    Filesize

    592KB

  • memory/3952-147-0x0000000000000000-mapping.dmp
  • memory/3952-179-0x0000000000680000-0x000000000068E000-memory.dmp
    Filesize

    56KB

  • memory/3952-156-0x0000000000400000-0x0000000000520000-memory.dmp
    Filesize

    1.1MB

  • memory/3952-172-0x0000000000400000-0x0000000000520000-memory.dmp
    Filesize

    1.1MB

  • memory/4780-166-0x0000000002201000-0x000000000226E000-memory.dmp
    Filesize

    436KB

  • memory/4780-151-0x0000000000000000-mapping.dmp
  • memory/4780-175-0x0000000002570000-0x000000000257E000-memory.dmp
    Filesize

    56KB

  • memory/4780-171-0x0000000000400000-0x0000000000520000-memory.dmp
    Filesize

    1.1MB

  • memory/4780-155-0x0000000000400000-0x0000000000520000-memory.dmp
    Filesize

    1.1MB

  • memory/4780-158-0x0000000002200000-0x0000000002294000-memory.dmp
    Filesize

    592KB

  • memory/4896-160-0x0000000000000000-mapping.dmp