Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 13:18

General

  • Target

    a23771ec73217408afa0d32b84612a3cd81bd54518218cae74ff4a8defa620ef.exe

  • Size

    6.3MB

  • MD5

    650296c3a42c6e56a0b9bd667e78e86c

  • SHA1

    e66431554b2764940599d58e38b586be3cd16fed

  • SHA256

    a23771ec73217408afa0d32b84612a3cd81bd54518218cae74ff4a8defa620ef

  • SHA512

    b81f1618c5de8bc5d17339284cfc38f52d55f1e530707515c51236bbef810d8ca59e0a9cd8eff1e11549e8cfc2c31608a763e502d0373b31ee6f320dbc9efaac

  • SSDEEP

    98304:Q1ROYXnwB6N/g2mCw6cB27OgUWZHw7saFCKuJJBAUZLRxs:0XwBjJff2sWGFCKsJV1xs

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • UPX packed file 27 IoCs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a23771ec73217408afa0d32b84612a3cd81bd54518218cae74ff4a8defa620ef.exe
    "C:\Users\Admin\AppData\Local\Temp\a23771ec73217408afa0d32b84612a3cd81bd54518218cae74ff4a8defa620ef.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3272
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://changkongbao.lanzouq.com/ikW9T1cfeg5e
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3432
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffc1cde46f8,0x7ffc1cde4708,0x7ffc1cde4718
        3⤵
          PID:4468
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2208,4021208988550898942,8773941944737919089,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2224 /prefetch:2
          3⤵
            PID:1920
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2208,4021208988550898942,8773941944737919089,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2276 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4896
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2208,4021208988550898942,8773941944737919089,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2920 /prefetch:8
            3⤵
              PID:4124
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2208,4021208988550898942,8773941944737919089,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3412 /prefetch:1
              3⤵
                PID:3724
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2208,4021208988550898942,8773941944737919089,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3420 /prefetch:1
                3⤵
                  PID:4612
                • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2208,4021208988550898942,8773941944737919089,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5144 /prefetch:8
                  3⤵
                    PID:4388
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2208,4021208988550898942,8773941944737919089,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5144 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:3920
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2208,4021208988550898942,8773941944737919089,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5312 /prefetch:1
                    3⤵
                      PID:3456
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2208,4021208988550898942,8773941944737919089,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5212 /prefetch:1
                      3⤵
                        PID:4652
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2208,4021208988550898942,8773941944737919089,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5768 /prefetch:1
                        3⤵
                          PID:4140
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2208,4021208988550898942,8773941944737919089,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5796 /prefetch:1
                          3⤵
                            PID:2628
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:5004
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:3476

                          Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                  Filesize

                                  152B

                                  MD5

                                  e443ee4336fcf13c698b8ab5f3c173d0

                                  SHA1

                                  9bf70b16f03820cbe3158e1f1396b07b8ac9d75a

                                  SHA256

                                  79e277da2074f9467e0518f0f26ca2ba74914bee82553f935a0ccf64a0119e8b

                                  SHA512

                                  cbf6f6aa0ea69b47f51592296da2b7be1180e7b483c61b4d17ba9ee1a2d3345cbe0987b96f4e25de1438b553db358f330aad8a26e8522601f055c3d5a8313cdd

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                  Filesize

                                  152B

                                  MD5

                                  56a4f78e21616a6e19da57228569489b

                                  SHA1

                                  21bfabbfc294d5f2aa1da825c5590d760483bc76

                                  SHA256

                                  d036661e765ee8fd18978a2b5501e8df6b220e4bca531d9860407555294c96fb

                                  SHA512

                                  c2c3cd1152bb486028fe75ab3ce0d0bc9d64c4ca7eb8860ddd934b2f6e0140d2c913af4fa082b88e92a6a6d20fd483a1cb9813209f371a0f56374bc97d7f863b

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                  Filesize

                                  6KB

                                  MD5

                                  f8432f94937dc33dd9a26171b1c73699

                                  SHA1

                                  c07744a2e6e7a6a485290e193efa7163524d20df

                                  SHA256

                                  6d45ae97fade0abce178a2b32c4ce8845034ec2522529426a8893bcb3353f18e

                                  SHA512

                                  e850d85620ddb101cb2bb487f33c1bf8183a95713d9b8ec890ea6bd87f213322a7f1212a0f3b3e54abf7ccaff5dfe04dd2dc87610f5378027b7bc7e70d18887b

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                  Filesize

                                  6KB

                                  MD5

                                  7779977483c0c35051947571a5e4c0ee

                                  SHA1

                                  2e914c00d59a8fda9ce06b502ecb9ee6a3be3f65

                                  SHA256

                                  6a795701f71f5d19f287e81aa8d633c591ffb1bcc64e379797b69a2c317cc4db

                                  SHA512

                                  87c2bb455f2b198c0bd1a522ba47ade7cf674eaf5fac22bbff3b4de71552e91c27780c234b738b077f388c603dc26ebe3b5c9948a6dc35d53fa0d6d034a2a882

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                                  Filesize

                                  16B

                                  MD5

                                  6752a1d65b201c13b62ea44016eb221f

                                  SHA1

                                  58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                                  SHA256

                                  0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                                  SHA512

                                  9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                                  Filesize

                                  10KB

                                  MD5

                                  efd2a3484ad6d264a90f895322bcfac2

                                  SHA1

                                  65f8d75d71d77d064b8c49ca7f2cdb327fd2dd30

                                  SHA256

                                  ff0daf5a9692595017ef410d3ef7c257cf06b35c8c17f8caec3f4906dc7be5ad

                                  SHA512

                                  7390a3e953a15e31fbd4a356c93a9287bedbf7adacf16344d98ce3abdec9eb45e85d2ce0c2374f5f4e40bc413f2f825285f785b3ee1a0b9a7ab6b144b82847a7

                                • C:\Users\Admin\AppData\Local\Temp\ExuiKrnln_Win32_20230421.lib

                                  Filesize

                                  1.5MB

                                  MD5

                                  ef48d7cc52338513cc0ce843c5e3916b

                                  SHA1

                                  20965d86b7b358edf8b5d819302fa7e0e6159c18

                                  SHA256

                                  835bfef980ad0cedf10d8ade0cf5671d9f56062f2b22d0a0547b07772ceb25a8

                                  SHA512

                                  fd4602bd487eaad5febb5b3e9d8fe75f4190d1e44e538e7ae2d2129087f35b72b254c85d7335a81854aa2bdb4f0f2fa22e02a892ee23ac57b78cdd03a79259b9

                                • C:\Users\Admin\AppData\Local\Temp\·½°¸.ini

                                  Filesize

                                  10KB

                                  MD5

                                  842d9e10867153ad73a1a80d79afef13

                                  SHA1

                                  33a49d893273182e8aba6e9531c3077d4ab86516

                                  SHA256

                                  2823197bddf0203ea011003a4e70f2687da234a3388b5090a76da2c2562d33e4

                                  SHA512

                                  e6e10f63c7d3e65358bd6e66a7328f7d06d096b2ed936cd4504cfb8c6b5f4081dd55884bb915191156965b0eb9b3fda6a97b5b1a1eee45d59a41a4e375d1e518

                                • C:\Users\Admin\AppData\Local\Temp\·½°¸.ini

                                  Filesize

                                  8KB

                                  MD5

                                  02e3c0364cd93fd56fce9c2ae885339b

                                  SHA1

                                  ffee74b2301ef0c8e88dfa37c1d180d3eb952ec8

                                  SHA256

                                  50fd9ee309fd11fdd83f6cfe01ce6efeca5d8dd36f2cf075be2bf1bc7fa89095

                                  SHA512

                                  58f892ade02def2692de3dc09d61161db368cbd8b1491fccc4c6ac04d70d3f971d7306fe81136437c2594750cce65b04e3e510107129f6296e722035f85f6970

                                • C:\Users\Admin\AppData\Local\Temp\¿ì½Ý·¢ÑÔ·½°¸.txt

                                  Filesize

                                  189B

                                  MD5

                                  322f59ce015ff2f1f00ecbe4fdfce380

                                  SHA1

                                  eb4756a5bb023f6d1feacdbeac6e94013e15d5b0

                                  SHA256

                                  c96ef901d8f23cb7626ef980c4cf5bece7aafeef9b2b8b28829d3a11a51562c1

                                  SHA512

                                  2610ce1c0a55da67faa9ddaca26529a87bf5ebc6706621682d54024fa887ca9cd54cdc5b854f8b79ea99b02a5277d6931f633fa876107d9ec1bf503bee23a02c

                                • C:\Users\Admin\AppData\Local\Temp\ÉèÖÃ.ini

                                  Filesize

                                  246B

                                  MD5

                                  b06ddcfdb64cc28ca0a0ef609de5f05f

                                  SHA1

                                  bd95d141935795e249d2ab00824839fd42c8f505

                                  SHA256

                                  da0a5d79dc6a120811b556885b704f9fd158b1f19dd5a9c595719feb56065f00

                                  SHA512

                                  a1dd3cc527ce6a6c4b0ea2c369d4370f6f1bf332c9255e1a8eebfd5986c133dacc2e6c6a55071e5bcf4724f37ff2920f2e17567ca32571e664b458e526be72b5

                                • C:\Users\Admin\AppData\Local\Temp\ÉèÖÃ.ini

                                  Filesize

                                  260B

                                  MD5

                                  924bf7a4ce305dad87743ba3c5773aa9

                                  SHA1

                                  12d0fddb472394b23e5176ab4ede38974e723b81

                                  SHA256

                                  01faf5e88442653bf38adc145d517f44d3495398e0aa666c7486b7030c126cbd

                                  SHA512

                                  2380c957717d3bc97ae2de96aba9cd3b50a1774eb96dc47840add1b12ee13485ee6cc6c4d30953b8f42d32ae3b02657966229fcbe58a60843df0cbd6170eb44e

                                • memory/3272-41-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-53-0x0000000002990000-0x0000000002991000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3272-30-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-28-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-26-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-24-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-22-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-20-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-18-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-14-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-12-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-10-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-8-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-6-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-5-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-36-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-52-0x0000000001140000-0x0000000001141000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3272-32-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-54-0x0000000001150000-0x0000000001151000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3272-34-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-63-0x0000000000400000-0x0000000000AA7000-memory.dmp

                                  Filesize

                                  6.7MB

                                • memory/3272-86-0x0000000006A90000-0x0000000006A91000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3272-85-0x0000000006AA0000-0x0000000006AA1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3272-0-0x0000000000400000-0x0000000000AA7000-memory.dmp

                                  Filesize

                                  6.7MB

                                • memory/3272-43-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-45-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-48-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-49-0x0000000001130000-0x0000000001131000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3272-47-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-39-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-16-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-3-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-4-0x0000000010000000-0x000000001003E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/3272-2-0x0000000001100000-0x000000000110B000-memory.dmp

                                  Filesize

                                  44KB

                                • memory/3272-1-0x0000000001100000-0x000000000110B000-memory.dmp

                                  Filesize

                                  44KB