Analysis

  • max time kernel
    119s
  • max time network
    108s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    26-04-2024 23:58

General

  • Target

    Seroxen.exe

  • Size

    12KB

  • MD5

    8208ea3955533b799b0f5f65db02df8a

  • SHA1

    8829745dd294bb94d1dc39266cb2b8c2457b00cd

  • SHA256

    0663f1114eca93d267e0ae9ddbaacf05974d77c0fa95efdf22f23ecbdf8e38cb

  • SHA512

    f9d17761a044ec89490c7727a4cd365f950dd4e5f56762363ea8441fed2a6552036aafc8804fdddf87488148d2e94052e8f94c11dcc36e77d8d047baaf97448a

  • SSDEEP

    192:+3s2rvMWWwghZv1Bsl0csO9qqjKw65dKUmP+eBQ8JG0x/kPo:as27M/zhZNyWjO9H65dDmPVQKdkw

Malware Config

Extracted

Family

gozi

Signatures

  • Gozi

    Gozi is a well-known and widely distributed banking trojan.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of FindShellTrayWindow 23 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3412
    • C:\Users\Admin\AppData\Local\Temp\Seroxen.exe
      "C:\Users\Admin\AppData\Local\Temp\Seroxen.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1900
      • C:\Windows\SysWOW64\reg.exe
        "C:\Windows\system32\reg.exe" add "HKCU\Software\Classes\ms-settings\shell\open\command" /d "wscript.exe C:\Users\Admin\AppData\Local\Temp\applejack1448147.vbs" /f
        3⤵
        • Modifies registry class
        PID:372
      • C:\Windows\SysWOW64\reg.exe
        "C:\Windows\system32\reg.exe" add "HKCU\Software\Classes\ms-settings\shell\open\command" /v DelegateExecute /d "0" /f
        3⤵
          PID:2088
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C computerdefaults.exe
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:216
          • C:\Windows\SysWOW64\ComputerDefaults.exe
            computerdefaults.exe
            4⤵
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of WriteProcessMemory
            PID:2344
            • C:\Windows\SysWOW64\unregmp2.exe
              C:\Windows\system32\unregmp2.exe /SetWMPAsDefault
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:4728
              • C:\Windows\System32\unregmp2.exe
                "C:\Windows\SysNative\unregmp2.exe" /SetWMPAsDefault /REENTRANT
                6⤵
                • Drops file in Windows directory
                • Modifies registry class
                PID:4312
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C schtasks /Create /SC ONLOGON /TN FoxitReaderUpdater_FGHgbhnJDeyD1gGgf050MX /TR "C:\Users\Admin\AppData\Local\Microsoft\InputPersonalization\FGHgbhnJDeyD1gGgf050MX.exe" /RL HIGHEST /IT
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2332
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Create /SC ONLOGON /TN FoxitReaderUpdater_FGHgbhnJDeyD1gGgf050MX /TR "C:\Users\Admin\AppData\Local\Microsoft\InputPersonalization\FGHgbhnJDeyD1gGgf050MX.exe" /RL HIGHEST /IT
            4⤵
            • Creates scheduled task(s)
            PID:3704
        • C:\Users\Admin\AppData\Local\Temp\q0cnmzr2.exe
          "C:\Users\Admin\AppData\Local\Temp\q0cnmzr2.exe" explorer.exe
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2408

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Persistence

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Scheduled Task/Job

    1
    T1053

    Credential Access

    Unsecured Credentials

    1
    T1552

    Credentials In Files

    1
    T1552.001

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    1
    T1005

    Command and Control

    Web Service

    1
    T1102

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\c20abedad5064184a49ba572c6efca60
      Filesize

      136KB

      MD5

      454b3ed43bd868c6783c979507a2f354

      SHA1

      5fda75c6e18babbd85c89a75cedfa7c4bc09842e

      SHA256

      6142f1e02fdcce9ea7fb176281fe20f70970e46a165b7a8f9f530da7ed50c7f9

      SHA512

      ccacbb22e4040f21252be4864864a1ae23e30d51b3362c7ac76e529fa183e7a19ca6ad0c00562ddf88918ff195ca87d707004824e7117fb7e62fda02faf83a78

    • C:\Users\Admin\AppData\Local\Temp\q0cnmzr2.exe
      Filesize

      124KB

      MD5

      e898826598a138f86f2aa80c0830707a

      SHA1

      1e912a5671f7786cc077f83146a0484e5a78729c

      SHA256

      df443ccf551470b3f9f7d92faf51b3b85ae206dd08da3b6390ce9a6039b7253a

      SHA512

      6827068b8580822ded1fb8447bdb038d0e00633f5ef7f480a8cdeaab6928ac23022a0b7a925058e0926ce9b41a6c8c22a5692e074621b2fccdb7edd29a0d4cfb

    • C:\Users\Admin\AppData\Roaming\Gongle\aPDQVAJ2H0\CURRENT
      Filesize

      16B

      MD5

      46295cac801e5d4857d09837238a6394

      SHA1

      44e0fa1b517dbf802b18faf0785eeea6ac51594b

      SHA256

      0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

      SHA512

      8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

    • C:\Users\Admin\AppData\Roaming\Gongle\aPDQVAJ2H0\LOG
      Filesize

      332B

      MD5

      2e82faa9cdaf2881048de70d40553251

      SHA1

      e05954ce11cd2f09544485786a32648908bca132

      SHA256

      bbb8152932d085d4c46a4040a3e6af30b7486f4d38bb4ac181b67cdf2faaa81d

      SHA512

      6a96de19c48e554e266588eae9a618c49946e2282d5a9c82e1db607d2378c2573489aca285da1d60d8e82faedfd81bceef08a5c65ee3b10d394332af1023942b

    • C:\Users\Admin\AppData\Roaming\Gongle\aPDQVAJ2H0\LOG.old
      Filesize

      289B

      MD5

      3db4eaf9addced7c26a1bbf2cf3de208

      SHA1

      71d17155fdcee6696ef875d4bfe17c6553f53ae7

      SHA256

      6b3e1df99dc1835356cd98b4712b7fe9a9df158e013d3529ab28389c748d4d84

      SHA512

      92d9eb220574abdaed121775b9701ca7a4481f028a140db3aba3d551bc14d10ebcb11a70ba04a8700e31c250506c7786c47b2971267f5b5ab47fa73edcacf7d8

    • C:\Users\Admin\AppData\Roaming\Gongle\aPDQVAJ2H0\MANIFEST-000001
      Filesize

      41B

      MD5

      5af87dfd673ba2115e2fcf5cfdb727ab

      SHA1

      d5b5bbf396dc291274584ef71f444f420b6056f1

      SHA256

      f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4

      SHA512

      de34583a7dbafe4dd0dc0601e8f6906b9bc6a00c56c9323561204f77abbc0dc9007c480ffe4092ff2f194d54616caf50aecbd4a1e9583cae0c76ad6dd7c2375b

    • C:\Users\Admin\AppData\Roaming\Gongle\aT89ULUPSS\je1358xf.default-release\storage\permanent\chrome\idb\3561288849sdhlie.sqlite
      Filesize

      48KB

      MD5

      ac3e539ae563112b3a5a09257679d5ae

      SHA1

      43ccb9f13df2a94fb8c7ce77827f943abfd00d92

      SHA256

      11138228b6d2bda305a633a312e1c9f7907df738d4c162043e4f8b95873ce726

      SHA512

      5e46647f07aaeb0fe2a805b4ee7f4a6d7b6ff8f599fe44f57a581d5c7fa812230701fd8a24c70017d0ec0d86dbe38fb14ac9563b1675cdbad96b561dab3c9b70

    • \Users\Admin\AppData\Local\Temp\Costura\40BD99E3E2E3C109881E4ECA2DEDC617\32\sqlite.interop.dll
      Filesize

      1.4MB

      MD5

      6f2fdecc48e7d72ca1eb7f17a97e59ad

      SHA1

      fcbc8c4403e5c8194ee69158d7e70ee7dbd4c056

      SHA256

      70e48ef5c14766f3601c97451b47859fddcbe7f237e1c5200cea8e7a7609d809

      SHA512

      fea98a3d6fff1497551dc6583dd92798dcac764070a350fd381e856105a6411c94effd4b189b7a32608ff610422b8dbd6d93393c5da99ee66d4569d45191dc8b

    • memory/1900-39-0x0000000006020000-0x000000000602A000-memory.dmp
      Filesize

      40KB

    • memory/1900-5-0x0000000004950000-0x00000000049E2000-memory.dmp
      Filesize

      584KB

    • memory/1900-9-0x000000000A460000-0x000000000B060000-memory.dmp
      Filesize

      12.0MB

    • memory/1900-169-0x0000000006820000-0x000000000682A000-memory.dmp
      Filesize

      40KB

    • memory/1900-1-0x0000000000A20000-0x0000000000A3A000-memory.dmp
      Filesize

      104KB

    • memory/1900-162-0x0000000006770000-0x0000000006790000-memory.dmp
      Filesize

      128KB

    • memory/1900-161-0x00000000067D0000-0x000000000680C000-memory.dmp
      Filesize

      240KB

    • memory/1900-157-0x0000000006700000-0x000000000674B000-memory.dmp
      Filesize

      300KB

    • memory/1900-35-0x0000000007470000-0x0000000007482000-memory.dmp
      Filesize

      72KB

    • memory/1900-36-0x0000000073AA0000-0x000000007418E000-memory.dmp
      Filesize

      6.9MB

    • memory/1900-37-0x0000000004A50000-0x0000000004A60000-memory.dmp
      Filesize

      64KB

    • memory/1900-38-0x0000000005F70000-0x0000000005FD6000-memory.dmp
      Filesize

      408KB

    • memory/1900-0-0x00000000008D0000-0x00000000008DC000-memory.dmp
      Filesize

      48KB

    • memory/1900-40-0x00000000084B0000-0x00000000084BA000-memory.dmp
      Filesize

      40KB

    • memory/1900-41-0x00000000084A0000-0x00000000084AC000-memory.dmp
      Filesize

      48KB

    • memory/1900-42-0x000000000A440000-0x000000000A448000-memory.dmp
      Filesize

      32KB

    • memory/1900-6-0x0000000004F60000-0x000000000545E000-memory.dmp
      Filesize

      5.0MB

    • memory/1900-10-0x00000000111D0000-0x0000000011E72000-memory.dmp
      Filesize

      12.6MB

    • memory/1900-4-0x0000000004A50000-0x0000000004A60000-memory.dmp
      Filesize

      64KB

    • memory/1900-3-0x0000000000A00000-0x0000000000A0A000-memory.dmp
      Filesize

      40KB

    • memory/1900-2-0x0000000073AA0000-0x000000007418E000-memory.dmp
      Filesize

      6.9MB

    • memory/1900-150-0x0000000006040000-0x00000000060F2000-memory.dmp
      Filesize

      712KB

    • memory/1900-151-0x0000000006160000-0x0000000006182000-memory.dmp
      Filesize

      136KB

    • memory/1900-152-0x0000000006220000-0x0000000006296000-memory.dmp
      Filesize

      472KB

    • memory/1900-153-0x00000000061C0000-0x00000000061DE000-memory.dmp
      Filesize

      120KB

    • memory/1900-154-0x00000000062F0000-0x0000000006340000-memory.dmp
      Filesize

      320KB

    • memory/1900-155-0x0000000006340000-0x00000000063AA000-memory.dmp
      Filesize

      424KB

    • memory/1900-156-0x00000000063B0000-0x0000000006700000-memory.dmp
      Filesize

      3.3MB

    • memory/3412-29-0x0000000001050000-0x0000000001058000-memory.dmp
      Filesize

      32KB

    • memory/3412-28-0x0000000001050000-0x0000000001058000-memory.dmp
      Filesize

      32KB

    • memory/3412-26-0x0000000001050000-0x0000000001058000-memory.dmp
      Filesize

      32KB

    • memory/3412-22-0x0000000001050000-0x0000000001058000-memory.dmp
      Filesize

      32KB

    • memory/3412-23-0x0000000001080000-0x0000000001081000-memory.dmp
      Filesize

      4KB