General
Target

Sun038db98f99bf9a.exe

Filesize

172KB

Completed

31-10-2021 20:24

Task

behavioral1

Score
10/10
MD5

7c3cf9ce3ffb1e5dd48896fdc9080bab

SHA1

34b4976f8f83c1e0a9d277d2a103a61616178728

SHA256

b3049882301853eed2aa8c5ac99010dd84292d7e092eb6f4311fa535716f5d83

SHA256

52ec2ec50a2d4ca4f29e6b611176e37fee8693a7c34ec2197ec2ad250d525f607c3d4d70534520d1f5c16fd3f9231d261b00f8c3746d033eab1ed36cdde07473

Malware Config
Signatures 13

Filter: none

Collection
Credential Access
Defense Evasion
Discovery
Persistence
  • Modifies Windows Defender Real-time Protection settings

    TTPs

    Modify RegistryModify Existing ServiceDisabling Security Tools
  • Downloads MZ/PE file
  • Executes dropped EXE
    D2c6Zh9LJlyOnr2B1qrzs9Pc.exe

    Reported IOCs

    pidprocess
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
  • Checks computer location settings
    Sun038db98f99bf9a.exe

    Description

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

    TTPs

    Query RegistrySystem Information Discovery

    Reported IOCs

    descriptioniocprocess
    Key value queried\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Control Panel\International\Geo\NationSun038db98f99bf9a.exe
  • Loads dropped DLL
    Sun038db98f99bf9a.exe

    Reported IOCs

    pidprocess
    1648Sun038db98f99bf9a.exe
  • Reads user/profile data of web browsers

    Description

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

    TTPs

    Data from Local SystemCredentials in Files
  • Looks up external IP address via web service

    Description

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

    Reported IOCs

    flowioc
    15ipinfo.io
    14ipinfo.io
  • Enumerates physical storage devices

    Description

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

    TTPs

    System Information Discovery
  • Program crash
    WerFault.exe

    Reported IOCs

    pidpid_targetprocesstarget process
    8521648WerFault.exeSun038db98f99bf9a.exe
  • Suspicious behavior: EnumeratesProcesses
    Sun038db98f99bf9a.exeD2c6Zh9LJlyOnr2B1qrzs9Pc.exeWerFault.exe

    Reported IOCs

    pidprocess
    1648Sun038db98f99bf9a.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    852WerFault.exe
    852WerFault.exe
    852WerFault.exe
    852WerFault.exe
    852WerFault.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    828D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
  • Suspicious behavior: GetForegroundWindowSpam
    WerFault.exe

    Reported IOCs

    pidprocess
    852WerFault.exe
  • Suspicious use of AdjustPrivilegeToken
    WerFault.exe

    Reported IOCs

    descriptionpidprocess
    Token: SeDebugPrivilege852WerFault.exe
  • Suspicious use of WriteProcessMemory
    Sun038db98f99bf9a.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 1648 wrote to memory of 8281648Sun038db98f99bf9a.exeD2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    PID 1648 wrote to memory of 8281648Sun038db98f99bf9a.exeD2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    PID 1648 wrote to memory of 8281648Sun038db98f99bf9a.exeD2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    PID 1648 wrote to memory of 8281648Sun038db98f99bf9a.exeD2c6Zh9LJlyOnr2B1qrzs9Pc.exe
    PID 1648 wrote to memory of 8521648Sun038db98f99bf9a.exeWerFault.exe
    PID 1648 wrote to memory of 8521648Sun038db98f99bf9a.exeWerFault.exe
    PID 1648 wrote to memory of 8521648Sun038db98f99bf9a.exeWerFault.exe
    PID 1648 wrote to memory of 8521648Sun038db98f99bf9a.exeWerFault.exe
Processes 3
  • C:\Users\Admin\AppData\Local\Temp\Sun038db98f99bf9a.exe
    "C:\Users\Admin\AppData\Local\Temp\Sun038db98f99bf9a.exe"
    Checks computer location settings
    Loads dropped DLL
    Suspicious behavior: EnumeratesProcesses
    Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Users\Admin\Pictures\Adobe Films\D2c6Zh9LJlyOnr2B1qrzs9Pc.exe
      "C:\Users\Admin\Pictures\Adobe Films\D2c6Zh9LJlyOnr2B1qrzs9Pc.exe"
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:828
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1648 -s 1428
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      PID:852
Network
MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Execution
      Exfiltration
        Impact
          Initial Access
            Lateral Movement
              Privilege Escalation
                Replay Monitor
                00:00 00:00
                Downloads
                • C:\Users\Admin\Pictures\Adobe Films\D2c6Zh9LJlyOnr2B1qrzs9Pc.exe

                  MD5

                  3f22bd82ee1b38f439e6354c60126d6d

                  SHA1

                  63b57d818f86ea64ebc8566faeb0c977839defde

                  SHA256

                  265c2ddc8a21e6fa8dfaa38ef0e77df8a2e98273a1abfb575aef93c0cc8ee96a

                  SHA512

                  b73e8e17e5e99d0e9edfb690ece8b0c15befb4d48b1c4f2fe77c5e3daf01df35858c06e1403a8636f86363708b80123d12122cb821a86b575b184227c760988f

                • \Users\Admin\Pictures\Adobe Films\D2c6Zh9LJlyOnr2B1qrzs9Pc.exe

                  MD5

                  3f22bd82ee1b38f439e6354c60126d6d

                  SHA1

                  63b57d818f86ea64ebc8566faeb0c977839defde

                  SHA256

                  265c2ddc8a21e6fa8dfaa38ef0e77df8a2e98273a1abfb575aef93c0cc8ee96a

                  SHA512

                  b73e8e17e5e99d0e9edfb690ece8b0c15befb4d48b1c4f2fe77c5e3daf01df35858c06e1403a8636f86363708b80123d12122cb821a86b575b184227c760988f

                • memory/828-57-0x0000000000000000-mapping.dmp

                • memory/852-60-0x0000000000580000-0x0000000000581000-memory.dmp

                • memory/852-59-0x0000000000000000-mapping.dmp

                • memory/1648-55-0x0000000003D00000-0x0000000003E4A000-memory.dmp

                • memory/1648-54-0x0000000074F81000-0x0000000074F83000-memory.dmp