Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22/07/2025, 06:10

General

  • Target
    rw6eMTC.exe
  • Size 5.2MB
  • Sample250722-gxbvysswhy
  • SHA256 f28ec66ea72ab255e028b98e3103070e0e412030352b9c66aaf696266fed38ca
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • hijackloader

Attributes
  • directory

    %APPDATA%\gahPatch

  • inject_dll

    %windir%\SysWOW64\pla.dll

xor.hex

Signatures

  • DeerStealer

    DeerStealer is a sophisticated information stealer written in C++.

  • Deerstealer family
  • Detects DeerStealer 5 IoCs
  • Detects DonutLoader 1 IoCs
  • Detects HijackLoader (aka IDAT Loader) 1 IoCs
  • DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

  • Donutloader family
  • HijackLoader

    HijackLoader is a multistage loader first seen in 2023.

  • Hijackloader family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 15 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • 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 3 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 15 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rw6eMTC.exe
    "C:\Users\Admin\AppData\Local\Temp\rw6eMTC.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5264
    • C:\Users\Admin\AppData\Local\Temp\SwitchEnterprise.exe
      "C:\Users\Admin\AppData\Local\Temp\SwitchEnterprise.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5432
      • C:\ProgramData\gahPatch\SwitchEnterprise.exe
        C:\ProgramData\gahPatch\SwitchEnterprise.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1592
        • C:\Users\Admin\AppData\Local\FFramework64.exe
          C:\Users\Admin\AppData\Local\FFramework64.exe
          4⤵
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1016
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe"
            5⤵
            • Drops file in Windows directory
            • Enumerates system info in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of WriteProcessMemory
            PID:1084
            • 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:4 --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=133.0.6943.60 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffce95ddcf8,0x7ffce95ddd04,0x7ffce95ddd10
              6⤵
                PID:2464
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --string-annotations --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --field-trial-handle=2176,i,7040667295627222969,15828182660145174067,262144 --variations-seed-version=20250610-180047.803000 --mojo-platform-channel-handle=2172 /prefetch:2
                6⤵
                  PID:3152
                • 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 --string-annotations --field-trial-handle=1904,i,7040667295627222969,15828182660145174067,262144 --variations-seed-version=20250610-180047.803000 --mojo-platform-channel-handle=2160 /prefetch:11
                  6⤵
                    PID:2700
                  • 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 --string-annotations --field-trial-handle=2384,i,7040667295627222969,15828182660145174067,262144 --variations-seed-version=20250610-180047.803000 --mojo-platform-channel-handle=2444 /prefetch:13
                    6⤵
                      PID:2092
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3220,i,7040667295627222969,15828182660145174067,262144 --variations-seed-version=20250610-180047.803000 --mojo-platform-channel-handle=3244 /prefetch:1
                      6⤵
                        PID:5608
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3268,i,7040667295627222969,15828182660145174067,262144 --variations-seed-version=20250610-180047.803000 --mojo-platform-channel-handle=3404 /prefetch:1
                        6⤵
                          PID:6136
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --extension-process --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4296,i,7040667295627222969,15828182660145174067,262144 --variations-seed-version=20250610-180047.803000 --mojo-platform-channel-handle=4352 /prefetch:9
                          6⤵
                            PID:4000
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --field-trial-handle=4700,i,7040667295627222969,15828182660145174067,262144 --variations-seed-version=20250610-180047.803000 --mojo-platform-channel-handle=3364 /prefetch:1
                            6⤵
                              PID:1556
                            • 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 --message-loop-type-ui --video-capture-use-gpu-memory-buffer --string-annotations --field-trial-handle=212,i,7040667295627222969,15828182660145174067,262144 --variations-seed-version=20250610-180047.803000 --mojo-platform-channel-handle=5476 /prefetch:14
                              6⤵
                                PID:5352
                              • 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 --message-loop-type-ui --video-capture-use-gpu-memory-buffer --string-annotations --field-trial-handle=5448,i,7040667295627222969,15828182660145174067,262144 --variations-seed-version=20250610-180047.803000 --mojo-platform-channel-handle=5516 /prefetch:14
                                6⤵
                                  PID:5848
                                • 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 --message-loop-type-ui --video-capture-use-gpu-memory-buffer --string-annotations --field-trial-handle=5452,i,7040667295627222969,15828182660145174067,262144 --variations-seed-version=20250610-180047.803000 --mojo-platform-channel-handle=5552 /prefetch:14
                                  6⤵
                                    PID:1132
                              • C:\Users\Admin\AppData\Roaming\gahPatch\XPFix.exe
                                "C:\Users\Admin\AppData\Roaming\gahPatch\XPFix.exe" "C:\Users\Admin\AppData\Roaming\gahPatch\XPFix.exe" /u
                                4⤵
                                  PID:3316
                          • C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe
                            "C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe"
                            1⤵
                              PID:3872
                            • C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe
                              "C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe"
                              1⤵
                                PID:2852

                              Network

                                    MITRE ATT&CK Enterprise v16

                                    Replay Monitor

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                                    Downloads

                                    FFramework64.exe

                                    • Path C:\Users\Admin\AppData\Local\FFramework64.exe
                                    • Size 72KB
                                    • SHA256 30e29e655b10f50fcb55a14970bfdb7da56655023ea89df752e14abcce8d2740
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Network Persistent State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                    • Size 2KB
                                    • SHA256 f5c317aa3822b8c3c6ee904bbb232d7f6981843f43021261af1516b68be01958
                                    • MD5 SHA1 SHA512

                                    SCT Auditing Pending Reports

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                                    • Size 2B
                                    • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                    • MD5 SHA1 SHA512

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 10KB
                                    • SHA256 6283e58aad7c3ea3a39d38e754026f3b397b73de810609a0a0ba341d1c21accf
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Secure Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                    • Size 15KB
                                    • SHA256 7e0348d8187ed56e1073dc505da43bc12c82c0b5d95edfb65b03d84c4e23f760
                                    • MD5 SHA1 SHA512 SSDEEP

                                    the-real-index

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index
                                    • Size 48B
                                    • SHA256 2e9dbc815f3d3e23ab6a02c02229b5163fb2f8cfdb043ad7e996ef7321c2c3de
                                    • MD5 SHA1 SHA512

                                    the-real-index

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index
                                    • Size 72B
                                    • SHA256 2e847710bf22e2bb16410a8b450cb74e53f95bd61edddacf5c8b0e0bb01e1975
                                    • MD5 SHA1 SHA512

                                    Last Version

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Last Version
                                    • Size 13B
                                    • SHA256 7114eaf0a021d2eb098b1e9f56f3500dc4f74ac68a87f5256922e4a4b9fa66b7
                                    • MD5 SHA1 SHA512

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 83KB
                                    • SHA256 e3369760e3d4434669e18cb069458df5d0f47d0cd1b285149a993cc63d3dcc05
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 82KB
                                    • SHA256 23a80bbc3c83f4c2bfa572dc6c6dc3d23360edf758715fa8d0852ff805fefc18
                                    • MD5 SHA1 SHA512 SSDEEP

                                    dc714332-780f-4ae8-802b-9310753713ee.tmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\dc714332-780f-4ae8-802b-9310753713ee.tmp
                                    • Size 83KB
                                    • SHA256 0414cab44b88d4812fe3495db2e30aaf8cc19ffa1e8b8782bb4e40c4b12d51a9
                                    • MD5 SHA1 SHA512 SSDEEP

                                    ADB858B.tmp

                                    • Path C:\Users\Admin\AppData\Local\Temp\ADB858B.tmp
                                    • Size 3.1MB
                                    • SHA256 1ed3aa8284dfdf1711b3630bab6948479b6a17d226815fa6b617ae1700c9d698
                                    • MD5 SHA1 SHA512 SSDEEP

                                    EC8AEC0.tmp

                                    • Path C:\Users\Admin\AppData\Local\Temp\EC8AEC0.tmp
                                    • Size 40B
                                    • SHA256 cad2daa67838cbd4210152f6ab348323bd3b14bd14c48d11f670fc3cd1b4045c
                                    • MD5 SHA1 SHA512

                                    FileAssociation.dll

                                    • Path C:\Users\Admin\AppData\Local\Temp\FileAssociation.dll
                                    • Size 584KB
                                    • SHA256 95d51ee9c58f789213cedac7e82c7ba064364d9e5c8ca76ad27a5e53537f9fdf
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Kredcheb.tj

                                    • Path C:\Users\Admin\AppData\Local\Temp\Kredcheb.tj
                                    • Size 31KB
                                    • SHA256 3531b384b01f1f7e58899585e2002af7f1b3e9a93677eecacd45166cd8db593b
                                    • MD5 SHA1 SHA512 SSDEEP

                                    MSVCP140.dll

                                    • Path C:\Users\Admin\AppData\Local\Temp\MSVCP140.dll
                                    • Size 439KB
                                    • SHA256 718812adb0d669eea9606432202371e358c7de6cdeafeddad222c36ae0d3f263
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Prol.uw

                                    • Path C:\Users\Admin\AppData\Local\Temp\Prol.uw
                                    • Size 2.9MB
                                    • SHA256 bf63ee45a7d4e0e84d3834af32ac3488c5b2e8709ae4b4b638e6b4ab7f16fdb8
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Qt5Core.dll

                                    • Path C:\Users\Admin\AppData\Local\Temp\Qt5Core.dll
                                    • Size 5.1MB
                                    • SHA256 9c16c4f43abb1ef6bdbb07c241f32d51530b018bdce9f6a574f8534c96dfa12d
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Qt5Network.dll

                                    • Path C:\Users\Admin\AppData\Local\Temp\Qt5Network.dll
                                    • Size 1.1MB
                                    • SHA256 ddc9894e36231d749265155ba02f2d70ec5e006cea34010750b220ce49ce391a
                                    • MD5 SHA1 SHA512 SSDEEP

                                    SwitchEnterprise.exe

                                    • Path C:\Users\Admin\AppData\Local\Temp\SwitchEnterprise.exe
                                    • Size 239KB
                                    • SHA256 79384ef76740962757d617bc056bf8a45b2ef8f1e1587632b36830e2fc6ab21a
                                    • MD5 SHA1 SHA512 SSDEEP

                                    VCRUNTIME140.dll

                                    • Path C:\Users\Admin\AppData\Local\Temp\VCRUNTIME140.dll
                                    • Size 88KB
                                    • SHA256 09d1e604e8cdd06176fcc3d3698861be20638a4391f9f2d9e23f868c1576ca94
                                    • MD5 SHA1 SHA512 SSDEEP

                                    memory/1016-83-0x00007FF70ADA0000-0x00007FF70B086000-memory.dmp

                                    memory/1016-170-0x00007FF70ADA0000-0x00007FF70B086000-memory.dmp

                                    memory/1016-82-0x00007FF70ADA0000-0x00007FF70B086000-memory.dmp

                                    memory/1016-77-0x00007FF70ADA0000-0x00007FF70B086000-memory.dmp

                                    memory/1016-123-0x00007FF70ADA0000-0x00007FF70B086000-memory.dmp

                                    memory/1592-72-0x0000000072CE0000-0x0000000072E5D000-memory.dmp

                                    memory/1592-74-0x0000000072CE0000-0x0000000072E5D000-memory.dmp

                                    memory/1592-70-0x0000000072CE0000-0x0000000072E5D000-memory.dmp

                                    memory/1592-75-0x0000000072CE0000-0x0000000072E5D000-memory.dmp

                                    memory/1592-69-0x0000000072CF5000-0x0000000072CF6000-memory.dmp

                                    memory/1592-65-0x00007FFCF88C0000-0x00007FFCF8AC9000-memory.dmp

                                    memory/1592-64-0x0000000072CE0000-0x0000000072E5D000-memory.dmp

                                    memory/5432-38-0x0000000072B20000-0x0000000072C9D000-memory.dmp

                                    memory/5432-39-0x00007FFCF88C0000-0x00007FFCF8AC9000-memory.dmp