Analysis

  • max time kernel
    123s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-11-2022 01:03

General

  • Target

    88679719d58df0cc5f8b69c2c6d672cdcc851f4e29755e5f491a960b2adb4907.exe

  • Size

    251KB

  • MD5

    1ebd94bb4f9585406016a1df35801037

  • SHA1

    be5aa367dd6923ac4d2d292202b0ccc5359e707e

  • SHA256

    88679719d58df0cc5f8b69c2c6d672cdcc851f4e29755e5f491a960b2adb4907

  • SHA512

    bc7ae9fc720870bede145633615953803bb6b7d6ac85d609753e6d43deb1d2ad604e240ca8a957988ed2bf2960ffb7695f1b3bad5c1e705b6333d0b3b82eaff6

  • SSDEEP

    6144:N53Lwwz0/mLCAVX7GZ09IwsvlzVkufEZse4gKt:N53Lwwz0/mmAVXKS+tBZ8ZsehK

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 2 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 1 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\88679719d58df0cc5f8b69c2c6d672cdcc851f4e29755e5f491a960b2adb4907.exe
    "C:\Users\Admin\AppData\Local\Temp\88679719d58df0cc5f8b69c2c6d672cdcc851f4e29755e5f491a960b2adb4907.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2592
    • C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
      "C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3448
      • 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\e94c2b28f2\rovwer.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:1164
      • C:\Users\Admin\AppData\Local\Temp\1000073001\mana.exe
        "C:\Users\Admin\AppData\Local\Temp\1000073001\mana.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4724
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • outlook_win_path
        PID:4436
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2592 -s 1144
      2⤵
      • Program crash
      PID:2856
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2592 -ip 2592
    1⤵
      PID:3380
    • C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
      1⤵
      • Executes dropped EXE
      PID:4432
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 424
        2⤵
        • Program crash
        PID:1272
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4432 -ip 4432
      1⤵
        PID:4136
      • C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
        C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
        1⤵
        • Executes dropped EXE
        PID:996
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 996 -s 424
          2⤵
          • Program crash
          PID:4180
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 996 -ip 996
        1⤵
          PID:5004

        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\1000073001\mana.exe
          Filesize

          137KB

          MD5

          e63d74cec6926b2d04e474b889d08af4

          SHA1

          a64a888ccfb4e82ade71f1a00a7ae681d29c7bcb

          SHA256

          a9ffffff38aca59d7d2f041fbdb253ca612c7ba2d597782b2e6a59a914f49b33

          SHA512

          fd59c0a1c613611002e52a309ee4baad626df8fbbd8c0c230bcb8e6fed4a3059296ab11b88a1d25a0f54c65f730a027f876629298120f7b4c251bf6d2aaed148

        • C:\Users\Admin\AppData\Local\Temp\1000073001\mana.exe
          Filesize

          137KB

          MD5

          e63d74cec6926b2d04e474b889d08af4

          SHA1

          a64a888ccfb4e82ade71f1a00a7ae681d29c7bcb

          SHA256

          a9ffffff38aca59d7d2f041fbdb253ca612c7ba2d597782b2e6a59a914f49b33

          SHA512

          fd59c0a1c613611002e52a309ee4baad626df8fbbd8c0c230bcb8e6fed4a3059296ab11b88a1d25a0f54c65f730a027f876629298120f7b4c251bf6d2aaed148

        • C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
          Filesize

          251KB

          MD5

          1ebd94bb4f9585406016a1df35801037

          SHA1

          be5aa367dd6923ac4d2d292202b0ccc5359e707e

          SHA256

          88679719d58df0cc5f8b69c2c6d672cdcc851f4e29755e5f491a960b2adb4907

          SHA512

          bc7ae9fc720870bede145633615953803bb6b7d6ac85d609753e6d43deb1d2ad604e240ca8a957988ed2bf2960ffb7695f1b3bad5c1e705b6333d0b3b82eaff6

        • C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
          Filesize

          251KB

          MD5

          1ebd94bb4f9585406016a1df35801037

          SHA1

          be5aa367dd6923ac4d2d292202b0ccc5359e707e

          SHA256

          88679719d58df0cc5f8b69c2c6d672cdcc851f4e29755e5f491a960b2adb4907

          SHA512

          bc7ae9fc720870bede145633615953803bb6b7d6ac85d609753e6d43deb1d2ad604e240ca8a957988ed2bf2960ffb7695f1b3bad5c1e705b6333d0b3b82eaff6

        • C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
          Filesize

          251KB

          MD5

          1ebd94bb4f9585406016a1df35801037

          SHA1

          be5aa367dd6923ac4d2d292202b0ccc5359e707e

          SHA256

          88679719d58df0cc5f8b69c2c6d672cdcc851f4e29755e5f491a960b2adb4907

          SHA512

          bc7ae9fc720870bede145633615953803bb6b7d6ac85d609753e6d43deb1d2ad604e240ca8a957988ed2bf2960ffb7695f1b3bad5c1e705b6333d0b3b82eaff6

        • C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
          Filesize

          251KB

          MD5

          1ebd94bb4f9585406016a1df35801037

          SHA1

          be5aa367dd6923ac4d2d292202b0ccc5359e707e

          SHA256

          88679719d58df0cc5f8b69c2c6d672cdcc851f4e29755e5f491a960b2adb4907

          SHA512

          bc7ae9fc720870bede145633615953803bb6b7d6ac85d609753e6d43deb1d2ad604e240ca8a957988ed2bf2960ffb7695f1b3bad5c1e705b6333d0b3b82eaff6

        • C:\Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll
          Filesize

          126KB

          MD5

          522adad0782501491314a78c7f32006b

          SHA1

          e487edceeef3a41e2a8eea1e684bcbc3b39adb97

          SHA256

          351fd9b73fa0cbbdfbce0793ca41544f5191650d79317a34024f3c09f73ac9ba

          SHA512

          5f8a103deea3ed5f8641d1f4c91a4f891a8208b679cadbfac4a068afbad0d2f777cd29ace4bdfec590e722435473e4f8465fb80d5cda792dc0236646580101a7

        • C:\Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll
          Filesize

          126KB

          MD5

          522adad0782501491314a78c7f32006b

          SHA1

          e487edceeef3a41e2a8eea1e684bcbc3b39adb97

          SHA256

          351fd9b73fa0cbbdfbce0793ca41544f5191650d79317a34024f3c09f73ac9ba

          SHA512

          5f8a103deea3ed5f8641d1f4c91a4f891a8208b679cadbfac4a068afbad0d2f777cd29ace4bdfec590e722435473e4f8465fb80d5cda792dc0236646580101a7

        • memory/996-168-0x0000000000400000-0x000000000059A000-memory.dmp
          Filesize

          1.6MB

        • memory/996-167-0x00000000005EC000-0x000000000060A000-memory.dmp
          Filesize

          120KB

        • memory/1164-138-0x0000000000000000-mapping.dmp
        • memory/2592-132-0x0000000000818000-0x0000000000837000-memory.dmp
          Filesize

          124KB

        • memory/2592-133-0x00000000022D0000-0x000000000230E000-memory.dmp
          Filesize

          248KB

        • memory/2592-134-0x0000000000400000-0x000000000059A000-memory.dmp
          Filesize

          1.6MB

        • memory/2592-146-0x0000000000818000-0x0000000000837000-memory.dmp
          Filesize

          124KB

        • memory/2592-147-0x0000000000400000-0x000000000059A000-memory.dmp
          Filesize

          1.6MB

        • memory/3448-152-0x0000000000400000-0x000000000059A000-memory.dmp
          Filesize

          1.6MB

        • memory/3448-141-0x0000000000400000-0x000000000059A000-memory.dmp
          Filesize

          1.6MB

        • memory/3448-135-0x0000000000000000-mapping.dmp
        • memory/3448-139-0x00000000007B8000-0x00000000007D7000-memory.dmp
          Filesize

          124KB

        • memory/3448-140-0x00000000006F0000-0x000000000072E000-memory.dmp
          Filesize

          248KB

        • memory/4432-165-0x0000000000400000-0x000000000059A000-memory.dmp
          Filesize

          1.6MB

        • memory/4432-164-0x00000000005DC000-0x00000000005FA000-memory.dmp
          Filesize

          120KB

        • memory/4436-160-0x0000000000000000-mapping.dmp
        • memory/4724-150-0x00000000052A0000-0x00000000052B2000-memory.dmp
          Filesize

          72KB

        • memory/4724-157-0x0000000006320000-0x0000000006370000-memory.dmp
          Filesize

          320KB

        • memory/4724-158-0x0000000006E00000-0x0000000006FC2000-memory.dmp
          Filesize

          1.8MB

        • memory/4724-159-0x0000000007500000-0x0000000007A2C000-memory.dmp
          Filesize

          5.2MB

        • memory/4724-156-0x00000000062A0000-0x0000000006316000-memory.dmp
          Filesize

          472KB

        • memory/4724-155-0x0000000006850000-0x0000000006DF4000-memory.dmp
          Filesize

          5.6MB

        • memory/4724-154-0x0000000006200000-0x0000000006292000-memory.dmp
          Filesize

          584KB

        • memory/4724-153-0x0000000005660000-0x00000000056C6000-memory.dmp
          Filesize

          408KB

        • memory/4724-151-0x0000000005300000-0x000000000533C000-memory.dmp
          Filesize

          240KB

        • memory/4724-149-0x0000000005370000-0x000000000547A000-memory.dmp
          Filesize

          1.0MB

        • memory/4724-148-0x0000000005840000-0x0000000005E58000-memory.dmp
          Filesize

          6.1MB

        • memory/4724-145-0x00000000008F0000-0x0000000000918000-memory.dmp
          Filesize

          160KB

        • memory/4724-142-0x0000000000000000-mapping.dmp