Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-11-2022 11:24

General

  • Target

    file.exe

  • Size

    252KB

  • MD5

    25c9dd1438c634f99da6bb9ef4421db0

  • SHA1

    9eecbe1a7d402f66694f466b4b4c89f3e2751774

  • SHA256

    9b9c37b5fae86ed23becb1bbfacd382a78078857a5a4cb48e5cd81780139769b

  • SHA512

    2c70dfc5c352a521cf10425f87d903e284376c36efa38de150e4389ad4148b107137a1ddc47569ffd3f6566a72e73e89b9a30c2fe0afcd2a672bdc8a496f2f07

  • SSDEEP

    3072:GslCU05dYkPSV6YzFjWty4Ea+cEi+eTVP1+n26Me1QQ9O+6OTsIGMOtRz:MrYYQDf44TeZ1+nL1JO+7Kt

Malware Config

Extracted

Family

redline

Botnet

boy

C2

77.73.134.241:4691

Attributes
  • auth_value

    a91fa8cc2cfaefc42a23c03faef44bd3

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Detect Amadey credential stealer module 4 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 3 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 3 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4404
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      "C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2172
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rovwer.exe /TR "C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:3632
      • C:\Users\Admin\AppData\Local\Temp\1000001001\mana.exe
        "C:\Users\Admin\AppData\Local\Temp\1000001001\mana.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4208
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • outlook_win_path
        PID:1812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4404 -s 912
      2⤵
      • Program crash
      PID:5056
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 388 -p 4404 -ip 4404
    1⤵
      PID:3348
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      1⤵
      • Executes dropped EXE
      PID:1832
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 416
        2⤵
        • Program crash
        PID:3264
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1832 -ip 1832
      1⤵
        PID:4984
      • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        1⤵
        • Executes dropped EXE
        PID:3188
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 424
          2⤵
          • Program crash
          PID:4232
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3188 -ip 3188
        1⤵
          PID:1356

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Execution

        Scheduled Task

        1
        T1053

        Persistence

        Registry Run Keys / Startup Folder

        1
        T1060

        Scheduled Task

        1
        T1053

        Privilege Escalation

        Scheduled Task

        1
        T1053

        Defense Evasion

        Modify Registry

        1
        T1112

        Credential Access

        Credentials in Files

        3
        T1081

        Discovery

        Query Registry

        2
        T1012

        System Information Discovery

        2
        T1082

        Collection

        Data from Local System

        3
        T1005

        Email Collection

        1
        T1114

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\1000001001\mana.exe
          Filesize

          137KB

          MD5

          e63d74cec6926b2d04e474b889d08af4

          SHA1

          a64a888ccfb4e82ade71f1a00a7ae681d29c7bcb

          SHA256

          a9ffffff38aca59d7d2f041fbdb253ca612c7ba2d597782b2e6a59a914f49b33

          SHA512

          fd59c0a1c613611002e52a309ee4baad626df8fbbd8c0c230bcb8e6fed4a3059296ab11b88a1d25a0f54c65f730a027f876629298120f7b4c251bf6d2aaed148

        • C:\Users\Admin\AppData\Local\Temp\1000001001\mana.exe
          Filesize

          137KB

          MD5

          e63d74cec6926b2d04e474b889d08af4

          SHA1

          a64a888ccfb4e82ade71f1a00a7ae681d29c7bcb

          SHA256

          a9ffffff38aca59d7d2f041fbdb253ca612c7ba2d597782b2e6a59a914f49b33

          SHA512

          fd59c0a1c613611002e52a309ee4baad626df8fbbd8c0c230bcb8e6fed4a3059296ab11b88a1d25a0f54c65f730a027f876629298120f7b4c251bf6d2aaed148

        • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
          Filesize

          252KB

          MD5

          25c9dd1438c634f99da6bb9ef4421db0

          SHA1

          9eecbe1a7d402f66694f466b4b4c89f3e2751774

          SHA256

          9b9c37b5fae86ed23becb1bbfacd382a78078857a5a4cb48e5cd81780139769b

          SHA512

          2c70dfc5c352a521cf10425f87d903e284376c36efa38de150e4389ad4148b107137a1ddc47569ffd3f6566a72e73e89b9a30c2fe0afcd2a672bdc8a496f2f07

        • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
          Filesize

          252KB

          MD5

          25c9dd1438c634f99da6bb9ef4421db0

          SHA1

          9eecbe1a7d402f66694f466b4b4c89f3e2751774

          SHA256

          9b9c37b5fae86ed23becb1bbfacd382a78078857a5a4cb48e5cd81780139769b

          SHA512

          2c70dfc5c352a521cf10425f87d903e284376c36efa38de150e4389ad4148b107137a1ddc47569ffd3f6566a72e73e89b9a30c2fe0afcd2a672bdc8a496f2f07

        • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
          Filesize

          252KB

          MD5

          25c9dd1438c634f99da6bb9ef4421db0

          SHA1

          9eecbe1a7d402f66694f466b4b4c89f3e2751774

          SHA256

          9b9c37b5fae86ed23becb1bbfacd382a78078857a5a4cb48e5cd81780139769b

          SHA512

          2c70dfc5c352a521cf10425f87d903e284376c36efa38de150e4389ad4148b107137a1ddc47569ffd3f6566a72e73e89b9a30c2fe0afcd2a672bdc8a496f2f07

        • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
          Filesize

          252KB

          MD5

          25c9dd1438c634f99da6bb9ef4421db0

          SHA1

          9eecbe1a7d402f66694f466b4b4c89f3e2751774

          SHA256

          9b9c37b5fae86ed23becb1bbfacd382a78078857a5a4cb48e5cd81780139769b

          SHA512

          2c70dfc5c352a521cf10425f87d903e284376c36efa38de150e4389ad4148b107137a1ddc47569ffd3f6566a72e73e89b9a30c2fe0afcd2a672bdc8a496f2f07

        • C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
          Filesize

          126KB

          MD5

          674cec24e36e0dfaec6290db96dda86e

          SHA1

          581e3a7a541cc04641e751fc850d92e07236681f

          SHA256

          de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded

          SHA512

          6d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029

        • C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
          Filesize

          126KB

          MD5

          674cec24e36e0dfaec6290db96dda86e

          SHA1

          581e3a7a541cc04641e751fc850d92e07236681f

          SHA256

          de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded

          SHA512

          6d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029

        • C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
          Filesize

          126KB

          MD5

          674cec24e36e0dfaec6290db96dda86e

          SHA1

          581e3a7a541cc04641e751fc850d92e07236681f

          SHA256

          de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded

          SHA512

          6d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029

        • memory/1812-165-0x00000000008B0000-0x00000000008D4000-memory.dmp
          Filesize

          144KB

        • memory/1812-161-0x0000000000000000-mapping.dmp
        • memory/1832-166-0x000000000079C000-0x00000000007BB000-memory.dmp
          Filesize

          124KB

        • memory/1832-167-0x0000000000400000-0x00000000005A4000-memory.dmp
          Filesize

          1.6MB

        • memory/2172-141-0x0000000000628000-0x0000000000647000-memory.dmp
          Filesize

          124KB

        • memory/2172-142-0x0000000000400000-0x00000000005A4000-memory.dmp
          Filesize

          1.6MB

        • memory/2172-135-0x0000000000000000-mapping.dmp
        • memory/2172-154-0x0000000000628000-0x0000000000647000-memory.dmp
          Filesize

          124KB

        • memory/2172-155-0x0000000000400000-0x00000000005A4000-memory.dmp
          Filesize

          1.6MB

        • memory/3188-169-0x000000000083C000-0x000000000085B000-memory.dmp
          Filesize

          124KB

        • memory/3188-170-0x0000000000400000-0x00000000005A4000-memory.dmp
          Filesize

          1.6MB

        • memory/3632-140-0x0000000000000000-mapping.dmp
        • memory/4208-150-0x0000000004B00000-0x0000000004B3C000-memory.dmp
          Filesize

          240KB

        • memory/4208-149-0x0000000004A90000-0x0000000004AA2000-memory.dmp
          Filesize

          72KB

        • memory/4208-152-0x0000000004E60000-0x0000000004EF2000-memory.dmp
          Filesize

          584KB

        • memory/4208-156-0x0000000005B20000-0x0000000005B96000-memory.dmp
          Filesize

          472KB

        • memory/4208-157-0x0000000005AA0000-0x0000000005AF0000-memory.dmp
          Filesize

          320KB

        • memory/4208-158-0x0000000007690000-0x0000000007852000-memory.dmp
          Filesize

          1.8MB

        • memory/4208-159-0x0000000007D90000-0x00000000082BC000-memory.dmp
          Filesize

          5.2MB

        • memory/4208-151-0x0000000005BB0000-0x0000000006154000-memory.dmp
          Filesize

          5.6MB

        • memory/4208-143-0x0000000000000000-mapping.dmp
        • memory/4208-153-0x0000000004F00000-0x0000000004F66000-memory.dmp
          Filesize

          408KB

        • memory/4208-148-0x0000000004B60000-0x0000000004C6A000-memory.dmp
          Filesize

          1.0MB

        • memory/4208-147-0x0000000004FE0000-0x00000000055F8000-memory.dmp
          Filesize

          6.1MB

        • memory/4208-146-0x00000000000E0000-0x0000000000108000-memory.dmp
          Filesize

          160KB

        • memory/4404-132-0x00000000005D9000-0x00000000005F8000-memory.dmp
          Filesize

          124KB

        • memory/4404-138-0x00000000005D9000-0x00000000005F8000-memory.dmp
          Filesize

          124KB

        • memory/4404-139-0x0000000000400000-0x00000000005A4000-memory.dmp
          Filesize

          1.6MB

        • memory/4404-134-0x0000000000400000-0x00000000005A4000-memory.dmp
          Filesize

          1.6MB

        • memory/4404-133-0x00000000022E0000-0x000000000231E000-memory.dmp
          Filesize

          248KB