Analysis

  • max time kernel
    79s
  • max time network
    49s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240704-en
  • resource tags

    arch:x64arch:x86image:win11-20240704-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06-07-2024 02:27

General

  • Target

    https://cdn.discordapp.com/attachments/1219626177006800916/1258972194428686406/Striker.exe?ex=6689fcb9&is=6688ab39&hm=f0bb2cbdc08031eb3670875064d838c085f359a174d24ed28d557c5398121523&

Malware Config

Signatures

  • PureLog Stealer

    PureLog Stealer is an infostealer written in C#.

  • PureLog Stealer payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Obfuscated with Agile.Net obfuscator 2 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://cdn.discordapp.com/attachments/1219626177006800916/1258972194428686406/Striker.exe?ex=6689fcb9&is=6688ab39&hm=f0bb2cbdc08031eb3670875064d838c085f359a174d24ed28d557c5398121523&
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3592
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=110.0.5481.104 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffe498dab58,0x7ffe498dab68,0x7ffe498dab78
      2⤵
        PID:1064
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1668 --field-trial-handle=1824,i,333419156187999384,4682324825217155619,131072 /prefetch:2
        2⤵
          PID:4332
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2076 --field-trial-handle=1824,i,333419156187999384,4682324825217155619,131072 /prefetch:8
          2⤵
            PID:2776
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=2124 --field-trial-handle=1824,i,333419156187999384,4682324825217155619,131072 /prefetch:8
            2⤵
              PID:3120
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3036 --field-trial-handle=1824,i,333419156187999384,4682324825217155619,131072 /prefetch:1
              2⤵
                PID:3312
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3060 --field-trial-handle=1824,i,333419156187999384,4682324825217155619,131072 /prefetch:1
                2⤵
                  PID:1980
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=4624 --field-trial-handle=1824,i,333419156187999384,4682324825217155619,131072 /prefetch:8
                  2⤵
                    PID:344
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=4676 --field-trial-handle=1824,i,333419156187999384,4682324825217155619,131072 /prefetch:8
                    2⤵
                      PID:2820
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4976 --field-trial-handle=1824,i,333419156187999384,4682324825217155619,131072 /prefetch:8
                      2⤵
                        PID:2404
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4680 --field-trial-handle=1824,i,333419156187999384,4682324825217155619,131072 /prefetch:8
                        2⤵
                          PID:392
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4712 --field-trial-handle=1824,i,333419156187999384,4682324825217155619,131072 /prefetch:8
                          2⤵
                          • NTFS ADS
                          PID:932
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=4276 --field-trial-handle=1824,i,333419156187999384,4682324825217155619,131072 /prefetch:8
                          2⤵
                            PID:3860
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=4708 --field-trial-handle=1824,i,333419156187999384,4682324825217155619,131072 /prefetch:8
                            2⤵
                              PID:1260
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4864 --field-trial-handle=1824,i,333419156187999384,4682324825217155619,131072 /prefetch:8
                              2⤵
                                PID:2380
                              • C:\Users\Admin\Downloads\Striker.exe
                                "C:\Users\Admin\Downloads\Striker.exe"
                                2⤵
                                • Executes dropped EXE
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious behavior: GetForegroundWindowSpam
                                • Suspicious use of AdjustPrivilegeToken
                                PID:4532
                            • C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
                              "C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
                              1⤵
                                PID:4036
                              • C:\Windows\System32\rundll32.exe
                                C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                1⤵
                                  PID:344

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                                  Filesize

                                  1KB

                                  MD5

                                  eef76ada0ece68ca68280ec297fabe0a

                                  SHA1

                                  7da09323940b12671aabc031f94c28ac63eec710

                                  SHA256

                                  ae2d8a2ebf463cf4bde32c871144e7250f4bd8962340d29078de77ff0ffeac4b

                                  SHA512

                                  d96109242897bb3cfdb78df228aacff572d7082ee7ddcc16dce3942f25625296a5026a1e459368cc1721740c8dc19e03189918dd355a5ec0100890bcdfa2f745

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                                  Filesize

                                  2B

                                  MD5

                                  d751713988987e9331980363e24189ce

                                  SHA1

                                  97d170e1550eee4afc0af065b78cda302a97674c

                                  SHA256

                                  4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                                  SHA512

                                  b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                  Filesize

                                  6KB

                                  MD5

                                  945b9f443bbd711325b6806ca07fa688

                                  SHA1

                                  30394b010c048d5dff2be8ed2467f695b92d4134

                                  SHA256

                                  787458ed2a65f5bd10fe7d339a61700fc6bc0cacd90d1b83a05f3f45aded3cc2

                                  SHA512

                                  fb763e91c1b7c49e7bd8bd198ab302364863c4235b8307bf24b3c23d5a2e79bd0e13dde96238c4390e4e0f60f3320c511e96129414615b7fb6a3e9ba52c8beb8

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                  Filesize

                                  6KB

                                  MD5

                                  a1ea665e9b8fa98af48ea444ec1f64aa

                                  SHA1

                                  8da86fa9f81059334013091b3bafcaa45d2af079

                                  SHA256

                                  521bb25a2707f7738c771663d76b2853fbca64fc060fb278abc0ea73e508debb

                                  SHA512

                                  d9717816e5a8bd6443388196bba178beb1c29baacc92f4cc89440aa3eb29cc1ac0f8f6cab6fb2d62ad79f157f8b498492d883dbc4e96d47cda03b21a7da69854

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                                  Filesize

                                  144KB

                                  MD5

                                  717c65a7cba95e5e6af3e2ce81d91653

                                  SHA1

                                  34b9136bcb67dc6141bc156e009233a906f7a199

                                  SHA256

                                  18724acea032b15fb9880ff3f8b0fe1b3776febeb501228eca369694b7888ae2

                                  SHA512

                                  27fb3ef451edd235a887837b8b30738ec1ec621e7f635c977eb1e4ae9ec5ce20d44b620e20ee55f07ef9bc1880a11c011fafa6a6b07ecbf804c9e96c9047fa33

                                • C:\Users\Admin\Downloads\Striker.exe

                                  Filesize

                                  3.5MB

                                  MD5

                                  3506e72217d5206c43afa993546008aa

                                  SHA1

                                  caaa849768a6db9a08c1ca3dba8f31ab8669d04f

                                  SHA256

                                  0fb8caced876c692d3ed1cfe956b07b1acb9128ff36f07783500deadfad4a8fd

                                  SHA512

                                  c077270ef57c52c8c42d51afedba9e1229e40f1b198a2181d1fcfb7bb20fed29af9bdcc4150c4f721f61a40baa965b6b8a8cb90257e7cf2d954e62fc759ce68e

                                • C:\Users\Admin\Downloads\Striker.exe:Zone.Identifier

                                  Filesize

                                  26B

                                  MD5

                                  fbccf14d504b7b2dbcb5a5bda75bd93b

                                  SHA1

                                  d59fc84cdd5217c6cf74785703655f78da6b582b

                                  SHA256

                                  eacd09517ce90d34ba562171d15ac40d302f0e691b439f91be1b6406e25f5913

                                  SHA512

                                  aa1d2b1ea3c9de3ccadb319d4e3e3276a2f27dd1a5244fe72de2b6f94083dddc762480482c5c2e53f803cd9e3973ddefc68966f974e124307b5043e654443b98

                                • \??\pipe\crashpad_3592_BLSGLWFYOBVWSYKF

                                  MD5

                                  d41d8cd98f00b204e9800998ecf8427e

                                  SHA1

                                  da39a3ee5e6b4b0d3255bfef95601890afd80709

                                  SHA256

                                  e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                  SHA512

                                  cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                • memory/4532-88-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-104-0x0000016603740000-0x0000016603748000-memory.dmp

                                  Filesize

                                  32KB

                                • memory/4532-62-0x0000016600000000-0x000001660036A000-memory.dmp

                                  Filesize

                                  3.4MB

                                • memory/4532-63-0x000001667FE70000-0x000001667FF5A000-memory.dmp

                                  Filesize

                                  936KB

                                • memory/4532-64-0x0000016667390000-0x0000016667396000-memory.dmp

                                  Filesize

                                  24KB

                                • memory/4532-71-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-72-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-73-0x0000016600370000-0x0000016600376000-memory.dmp

                                  Filesize

                                  24KB

                                • memory/4532-74-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-79-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-80-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-81-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-84-0x0000016600390000-0x0000016600648000-memory.dmp

                                  Filesize

                                  2.7MB

                                • memory/4532-85-0x0000016602330000-0x00000166024A6000-memory.dmp

                                  Filesize

                                  1.5MB

                                • memory/4532-87-0x0000016602630000-0x0000016602662000-memory.dmp

                                  Filesize

                                  200KB

                                • memory/4532-86-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-60-0x00000166653C0000-0x000001666574C000-memory.dmp

                                  Filesize

                                  3.5MB

                                • memory/4532-89-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-90-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-102-0x0000016603680000-0x00000166036B6000-memory.dmp

                                  Filesize

                                  216KB

                                • memory/4532-103-0x0000016603980000-0x0000016603A74000-memory.dmp

                                  Filesize

                                  976KB

                                • memory/4532-61-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-105-0x0000016603E00000-0x0000016603E06000-memory.dmp

                                  Filesize

                                  24KB

                                • memory/4532-106-0x00007FFE35A73000-0x00007FFE35A75000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4532-109-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-110-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-111-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-112-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-113-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-114-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-115-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-116-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-117-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-118-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-128-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-129-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-130-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-131-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-132-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-133-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-135-0x00007FFE35A70000-0x00007FFE36532000-memory.dmp

                                  Filesize

                                  10.8MB

                                • memory/4532-59-0x00007FFE35A73000-0x00007FFE35A75000-memory.dmp

                                  Filesize

                                  8KB