Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-12-2024 20:33

General

  • Target

    keygen-step-4.exe

  • Size

    5.7MB

  • MD5

    4d5fdccc8008f4da22d1341baa275ffe

  • SHA1

    89f493c70474de63eb80ab32e00bc0781c87d84d

  • SHA256

    e8f5a52c3a638b81df8329b8862d9389714c41107ae41cf803fb9a45c4858592

  • SHA512

    6145556d0c8cb765f9f3e028e6ec280c0385baf4439f82c2eb458fb8b7abaa4e7ed9a9bc26c090266c3a5cd34076117a37c7ba571c3b916c7bc81ae08cd15cfb

  • SSDEEP

    98304:Kyp4VBxIJhMRJh66NK82XKJXAbqw6mI1YTmAPMgWMriGay+2lFDDzAMA9Z1mN:KzCJCJhxN726JXAbqwc1YTSg0j2lFXXZ

Malware Config

Signatures

  • Detect Fabookie payload 1 IoCs
  • FFDroider

    Stealer targeting social media platform users first seen in April 2022.

  • Fabookie

    Fabookie is facebook account info stealer.

  • Fabookie family
  • Ffdroider family
  • Detected Nirsoft tools 2 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 24 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 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.

  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\keygen-step-4.exe
    "C:\Users\Admin\AppData\Local\Temp\keygen-step-4.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2204
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\002.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\002.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2252
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\LZMA.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\LZMA.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3020
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Setup.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2888
      • C:\Users\Admin\AppData\Local\Temp\download\ThunderFW.exe
        C:\Users\Admin\AppData\Local\Temp\download\ThunderFW.exe ThunderFW "C:\Users\Admin\AppData\Local\Temp\download\MiniThunderPlatform.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2040
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ping 127.0.0.1 -n 3 & del "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Setup.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:2772
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 3
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:484
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\md2_2efs.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\md2_2efs.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2832
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\hjjgaa.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\hjjgaa.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2316
      • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
        C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2508
      • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
        C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabD896.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Config.ini

    Filesize

    6B

    MD5

    e510f3bb7283cf47215df35439add757

    SHA1

    eaca823484ca194ccbfa1337eb44c956cf63a951

    SHA256

    d15d2a4684a8ee535d62b73e8484540398011b22448b194a96078366793b41f5

    SHA512

    5d482d513187f0175057648d074458423f4e659e4a28cd86d371b3aa2b4b6bab2360d7c075b9b6adf2a9291134f16be17191ae69a632561cc6ee9e9c9532a04f

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\conf.conf

    Filesize

    880KB

    MD5

    b887e4b50a3fe5a605c83c820dd67b24

    SHA1

    b0778863f6308bb9f635becde5f73f2bd5a6281b

    SHA256

    13228d769c1affaf05ea44b57f325e6e0096b4df76910770b17e1b68dc544bc5

    SHA512

    bdcd189b5e8c95286ae1bf0846d647437c603ff96131c07bc24629752826c3d264645d701cf90328dfc8e54512607e1fba47449da471a65593325142a8a2be9f

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\expatai.dll

    Filesize

    70KB

    MD5

    5a990cdf4b7a3cdcabaae5388f0924fd

    SHA1

    76281387b5ed37ad02ce0a7271aafa8a80b7346c

    SHA256

    8573acbe4a1d445b8c840317e4efca5f91bdd9a5e89ca2b867629303e30ff9ff

    SHA512

    65c6b0ea3c9059bc829fee93ae015041c9e9e0e691bdb9d38872b8caa828550e5aa329d2ee9434c377c5a99f2940e055e472ce3faa00423be9976c45d7914480

  • C:\Users\Admin\AppData\Local\Temp\TarD915.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt

    Filesize

    31B

    MD5

    b7161c0845a64ff6d7345b67ff97f3b0

    SHA1

    d223f855da541fe8e4c1d5c50cb26da0a1deb5fc

    SHA256

    fe9e28ff0b652e22a124b0a05382bc1ac48cbd9c7c76ca647b0c9f8542888f66

    SHA512

    98d8971ff20ba256cf886a9db416ac9366d2c6ad4ff51a65bd7e539974dc93f4c897f92d8c9c0319c69b27eacf05cd350a0302828e63190b03457a0eda57f680

  • C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\My\Certificates\6C0CE2DD0584C47CAC18839F14055F19FA270CDD

    Filesize

    1KB

    MD5

    94f70083532a6f2d5821123cdc96e92a

    SHA1

    eb9d68e737ea1dc2dbf1b77970550fa913952914

    SHA256

    291a077b01abb73b9bb60572bc636753afe6b91913f48b60ef13972c57d89cc5

    SHA512

    39f8ef2aff8d58506bdf32df83fc2acf3cac4b01f83283179e501824f1d28dd30d5dd998f41a14d702d7ba32e8b7c2b037b6d61e9ae8f8ccb31ebe39eba17bad

  • \Users\Admin\AppData\Local\Temp\RarSFX0\002.exe

    Filesize

    929KB

    MD5

    1c3d0aa0e3b0c41807d9e3c6ea59a6a2

    SHA1

    63fdf71787a437b1b7f1154f5709e9210e7e28ba

    SHA256

    3864d472b74de062c95aed62b5c7c1ad1b8326a5bcaab643689bd6a8f0e24772

    SHA512

    a07f6347059788a4f9d9b91b2a2ff4b508e8b6a7b03e095631193ae6234fe5b8bad1e86b5d3d47e831f28be8b1329317cb5b652769460a181188994d130179c6

  • \Users\Admin\AppData\Local\Temp\RarSFX0\LZMA.exe

    Filesize

    388KB

    MD5

    89266366e2c712e8b47b2b9ed30d60b7

    SHA1

    a94bb0440fe6c0d7a6c102037561ffbe6203a251

    SHA256

    f7369777a4fee1b2e8282f30dc355c3216e4fdc7018912f2a7444026f9edafd0

    SHA512

    385916c9bbc9a4d7474bfcc68c4fb281e2f3d6df5c11a114b8646400f8a822a5c945f80de2d8d97547e58971b03bcada2f28fc2f259db07ea1880b3fa68b3d95

  • \Users\Admin\AppData\Local\Temp\RarSFX0\Setup.exe

    Filesize

    4.7MB

    MD5

    abb1b1c39c77a70c945b14e6c2f6c0d0

    SHA1

    79173fbca719b59942a4e6f4d98f95a2b34fbb79

    SHA256

    8fba8e02305e8cbf4e5543d290c99ecbe4abcfd7bc19de4942eed480674bae26

    SHA512

    711ffe4d3ce8029c0bdfa7c65886944745e8274aa473806a07a90f2611e6e49d12df7bcdbf3fc33c5ff79707387a95a6c7fa1a43e3babd103355c86cc90813a8

  • \Users\Admin\AppData\Local\Temp\RarSFX0\hjjgaa.exe

    Filesize

    981KB

    MD5

    8af53f4e5da871815dfe4abf9dca59ad

    SHA1

    33a84ebe23a12fde1fabfaf17770c98a68f262f7

    SHA256

    8de2519df91e2a3e430a5f0c721cea202ec6c66eb5f9ca7421cb510be469232f

    SHA512

    bd3f286403b0431eb9c449580d1c247713a06a153c9875745aa4c886e8b436f343d698ac0416489ab2e7bf984527761ca5c7043750f820b8f634605b30fe0499

  • \Users\Admin\AppData\Local\Temp\RarSFX0\md2_2efs.exe

    Filesize

    1.2MB

    MD5

    6f2526fce51e5e85ee11b70a1dede810

    SHA1

    c253fa096acef9db07b0c350cbb3182e475e398f

    SHA256

    ef14baf16144bcce556e3bb56adffeb6584e944e473f03e57742201c7dc56043

    SHA512

    276ea3ad9f9fabe5964efb868561f462d9b31c049e7baf720a471d387d116e013fd4cfc504456a35db8637f3fb8fc48833495db96385cf9a770a54f6b205c285

  • \Users\Admin\AppData\Local\Temp\download\ThunderFW.exe

    Filesize

    71KB

    MD5

    f0372ff8a6148498b19e04203dbb9e69

    SHA1

    27fe4b5f8cb9464ab5ddc63e69c3c180b77dbde8

    SHA256

    298d334b630c77b70e66cf5e9c1924c7f0d498b02c2397e92e2d9efdff2e1bdf

    SHA512

    65d84817cdddb808b6e0ab964a4b41e96f7ce129e3cc8c253a31642efe73a9b7070638c22c659033e1479322aceea49d1afdceff54f8ed044b1513bffd33f865

  • \Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe

    Filesize

    184KB

    MD5

    7fee8223d6e4f82d6cd115a28f0b6d58

    SHA1

    1b89c25f25253df23426bd9ff6c9208f1202f58b

    SHA256

    a45317c374d54e322153afd73f0e90f1486638d77b7fd85746d091071bbecd59

    SHA512

    3ed900b83dd178637c2fd4e8444a899f17f12c4ec92a6f4de4fe544fe8d41b521c69b8f348343cb397d0e160f23e27429042d758b5fa5acac0bab5c3584bace4

  • \Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe

    Filesize

    61KB

    MD5

    a6279ec92ff948760ce53bba817d6a77

    SHA1

    5345505e12f9e4c6d569a226d50e71b5a572dce2

    SHA256

    8b581869bf8944a8e0aa169adea2a4afe47434123da477132880aff6a5032181

    SHA512

    213cb374f1273c899e0c88a20c0101a7c28024ce5046a2e0d7898bd182d918288bb80367fea4454c437c057ff9ed4fffd42be48a13ca73653021a6d63e1cfa9c

  • memory/2204-50-0x0000000003690000-0x0000000003784000-memory.dmp

    Filesize

    976KB

  • memory/2204-66-0x0000000003690000-0x0000000003784000-memory.dmp

    Filesize

    976KB

  • memory/2316-179-0x00000000002B0000-0x000000000030B000-memory.dmp

    Filesize

    364KB

  • memory/2316-255-0x0000000000300000-0x0000000000322000-memory.dmp

    Filesize

    136KB

  • memory/2316-254-0x00000000002B0000-0x000000000030B000-memory.dmp

    Filesize

    364KB

  • memory/2316-240-0x0000000000300000-0x0000000000322000-memory.dmp

    Filesize

    136KB

  • memory/2508-187-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2840-252-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/2888-102-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-114-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-90-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-91-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-92-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-93-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-94-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-98-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-99-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-100-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-101-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-88-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-103-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-104-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-105-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-106-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-107-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-108-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-109-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-110-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-111-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-112-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-113-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-89-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-115-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-87-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-140-0x0000000000400000-0x00000000004F4000-memory.dmp

    Filesize

    976KB

  • memory/2888-142-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-143-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-144-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-145-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-147-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-146-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-86-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-85-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-84-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-83-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-80-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-78-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-79-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-77-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-76-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-75-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-71-0x0000000010000000-0x00000000103DB000-memory.dmp

    Filesize

    3.9MB

  • memory/2888-69-0x0000000000400000-0x00000000004F4000-memory.dmp

    Filesize

    976KB

  • memory/3020-54-0x0000000000670000-0x0000000000770000-memory.dmp

    Filesize

    1024KB

  • memory/3020-55-0x0000000000AF0000-0x0000000000BD4000-memory.dmp

    Filesize

    912KB