Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/12/2023, 23:39

General

  • Target

    b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0.exe

  • Size

    1.6MB

  • MD5

    e6da143d8d6021028c3c2c5911b1ab92

  • SHA1

    f32cd9d2d40b0faf66951d7425677bbc1ec70944

  • SHA256

    b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0

  • SHA512

    1f24d9d617e70241d4d42a8a4d2425f2a00ef6576d86995e5c541999fd0023d71e99b8bdc177caa3f6eebce48d4470ef8ca6dd4d42e2dddbbb29868e36a90d5f

  • SSDEEP

    49152:80ceOGgUYYEmluRKYoFh4kGWusbQnIyDi1E1uonTKi/OjCCNG:1XOGgUYC4RKXFhrusbaDkE1u

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • 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 3 IoCs
  • 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.

  • Looks up external IP address via web service 2 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0.exe
    "C:\Users\Admin\AppData\Local\Temp\b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0.exe"
    1⤵
    • Drops startup file
    • Accesses Microsoft Outlook profiles
    • Adds Run key to start application
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:1904
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
      2⤵
      • Creates scheduled task(s)
      PID:4652
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
      2⤵
      • Creates scheduled task(s)
      PID:3420
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1904 -s 1692
      2⤵
      • Program crash
      PID:5068
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:1392
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:4932
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1904 -ip 1904
        1⤵
          PID:4980
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
          1⤵
            PID:4496
          • C:\Windows\System32\svchost.exe
            C:\Windows\System32\svchost.exe -k UnistackSvcGroup
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2612

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

                  Filesize

                  1.6MB

                  MD5

                  e6da143d8d6021028c3c2c5911b1ab92

                  SHA1

                  f32cd9d2d40b0faf66951d7425677bbc1ec70944

                  SHA256

                  b80b3b02eff98ed43046ba29dc807b81e03aea420010388aff38e2d4c1c6d7a0

                  SHA512

                  1f24d9d617e70241d4d42a8a4d2425f2a00ef6576d86995e5c541999fd0023d71e99b8bdc177caa3f6eebce48d4470ef8ca6dd4d42e2dddbbb29868e36a90d5f

                • C:\Users\Admin\AppData\Local\Comms\UnistoreDB\store.jfm

                  Filesize

                  16KB

                  MD5

                  7bcac1b0a574cb44b2862ae7a8dc056a

                  SHA1

                  a72617a947f5b62da96032d580b642d2e32e846f

                  SHA256

                  3259d0d644786df68b9e29a3cd22619c4a9c283227e4cc916fdc81941cb40c39

                  SHA512

                  631c3a4fc6f3b136d65ae31d820f5d47813d1510d4161c6a1530890c565fb3e9f9e6fcce7e301bfba0dcf6f23952a517261064a38bd68b020af318653420e821

                • C:\Users\Admin\AppData\Local\Temp\grandUIAVBGkiIspc3D8v\information.txt

                  Filesize

                  3KB

                  MD5

                  96ec5415c71c6b33bac42a059d5a7da9

                  SHA1

                  015a726a49103cc7468d6289a657db39f123cf3c

                  SHA256

                  4544ac2ad6d6101b0f5fc55df5ac322ec079190ce412f56f6cc3c81db844b3b6

                  SHA512

                  7ea396936e18bc9bf91c34b174dacb7a061eba5833b764c1f2eedae1135a8f77531886791255d7119e906c60e616d61083c9bfdd6310c402710ff8c9017d923f

                • C:\Users\Admin\AppData\Local\Temp\posterBoxVBGkiIspc3D8v\QdX9ITDLyCRBWeb Data

                  Filesize

                  92KB

                  MD5

                  9ee081ca0d9c3cd479031e1ff265961b

                  SHA1

                  a2bfa65a2ddcd529a134ea08efd6965bcd0e5665

                  SHA256

                  2a260265cd76d10c19658a7db48e7f328aba6df399e28e2e73642d5904dd73b4

                  SHA512

                  6b9f28e80628042205df78d5393ba53ff9866ee25d92500a806055333f0fe3a93cb1516754b617c42a342d2852cb4f2cd37c849dbfd19bedb71aef5e642c33e6

                • C:\Users\Admin\AppData\Local\Temp\posterBoxVBGkiIspc3D8v\ZunTSaNJLBVfWeb Data

                  Filesize

                  116KB

                  MD5

                  f70aa3fa04f0536280f872ad17973c3d

                  SHA1

                  50a7b889329a92de1b272d0ecf5fce87395d3123

                  SHA256

                  8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8

                  SHA512

                  30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

                • memory/2612-120-0x000001F257710000-0x000001F257711000-memory.dmp

                  Filesize

                  4KB

                • memory/2612-124-0x000001F257710000-0x000001F257711000-memory.dmp

                  Filesize

                  4KB

                • memory/2612-115-0x000001F257710000-0x000001F257711000-memory.dmp

                  Filesize

                  4KB

                • memory/2612-116-0x000001F257710000-0x000001F257711000-memory.dmp

                  Filesize

                  4KB

                • memory/2612-117-0x000001F257710000-0x000001F257711000-memory.dmp

                  Filesize

                  4KB

                • memory/2612-118-0x000001F257710000-0x000001F257711000-memory.dmp

                  Filesize

                  4KB

                • memory/2612-119-0x000001F257710000-0x000001F257711000-memory.dmp

                  Filesize

                  4KB

                • memory/2612-98-0x000001F24F140000-0x000001F24F150000-memory.dmp

                  Filesize

                  64KB

                • memory/2612-121-0x000001F257710000-0x000001F257711000-memory.dmp

                  Filesize

                  4KB

                • memory/2612-122-0x000001F257710000-0x000001F257711000-memory.dmp

                  Filesize

                  4KB

                • memory/2612-123-0x000001F257710000-0x000001F257711000-memory.dmp

                  Filesize

                  4KB

                • memory/2612-114-0x000001F2576E0000-0x000001F2576E1000-memory.dmp

                  Filesize

                  4KB

                • memory/2612-125-0x000001F257330000-0x000001F257331000-memory.dmp

                  Filesize

                  4KB

                • memory/2612-126-0x000001F257320000-0x000001F257321000-memory.dmp

                  Filesize

                  4KB

                • memory/2612-128-0x000001F257330000-0x000001F257331000-memory.dmp

                  Filesize

                  4KB

                • memory/2612-131-0x000001F257320000-0x000001F257321000-memory.dmp

                  Filesize

                  4KB

                • memory/2612-134-0x000001F257260000-0x000001F257261000-memory.dmp

                  Filesize

                  4KB

                • memory/2612-82-0x000001F24F040000-0x000001F24F050000-memory.dmp

                  Filesize

                  64KB

                • memory/2612-146-0x000001F257460000-0x000001F257461000-memory.dmp

                  Filesize

                  4KB

                • memory/2612-148-0x000001F257470000-0x000001F257471000-memory.dmp

                  Filesize

                  4KB

                • memory/2612-149-0x000001F257470000-0x000001F257471000-memory.dmp

                  Filesize

                  4KB

                • memory/2612-150-0x000001F257580000-0x000001F257581000-memory.dmp

                  Filesize

                  4KB