Resubmissions

22-02-2024 23:54

240222-3x6k8agf4w 10

22-02-2024 23:49

240222-3vb9lagf2t 10

21-02-2024 19:26

240221-x5j5ased59 10

Analysis

  • max time kernel
    34s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-02-2024 23:54

General

  • Target

    a064b524a661ce56c911fb3b184c1b8d.exe

  • Size

    61KB

  • MD5

    a064b524a661ce56c911fb3b184c1b8d

  • SHA1

    a39aaf5834308ce443b56d80b7cf28ad9eb8f2f2

  • SHA256

    3d782b5f5304e058161dce64bf27fc5c28af23675ce6db1fc46386fb8f532c2b

  • SHA512

    397fd0aa5e5bbb37e2cc703a81335eabdeada48fde13e100b876e7fcd3c79218dc59e533f000e7dbb1e0dc9986d98617249d327c42e9c5b19f7aeb4e2f0a238b

  • SSDEEP

    768:gnbyhKtnWoRxqf7GNI4r8YLDwUzc80gmq3oP/oDY:gnbRw7Gxpr/0O8/ok

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a064b524a661ce56c911fb3b184c1b8d.exe
    "C:\Users\Admin\AppData\Local\Temp\a064b524a661ce56c911fb3b184c1b8d.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:812
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2328
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic csproduct get uuid
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2556
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1088
    • 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=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6359758,0x7fef6359768,0x7fef6359778
      2⤵
        PID:2968
      • 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=1092 --field-trial-handle=1352,i,13676323701685610398,11096733849019896021,131072 /prefetch:2
        2⤵
          PID:3068
        • 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=utility --mojo-platform-channel-handle=1572 --field-trial-handle=1352,i,13676323701685610398,11096733849019896021,131072 /prefetch:8
          2⤵
            PID:1884
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2224 --field-trial-handle=1352,i,13676323701685610398,11096733849019896021,131072 /prefetch:1
            2⤵
              PID:320
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=2216 --field-trial-handle=1352,i,13676323701685610398,11096733849019896021,131072 /prefetch:1
              2⤵
                PID:1688
              • 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=1496 --field-trial-handle=1352,i,13676323701685610398,11096733849019896021,131072 /prefetch:8
                2⤵
                  PID:528
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1448 --field-trial-handle=1352,i,13676323701685610398,11096733849019896021,131072 /prefetch:2
                  2⤵
                    PID:2928
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1084 --field-trial-handle=1352,i,13676323701685610398,11096733849019896021,131072 /prefetch:1
                    2⤵
                      PID:840
                    • 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=3692 --field-trial-handle=1352,i,13676323701685610398,11096733849019896021,131072 /prefetch:8
                      2⤵
                        PID:1644
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=3744 --field-trial-handle=1352,i,13676323701685610398,11096733849019896021,131072 /prefetch:1
                        2⤵
                          PID:640
                      • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                        "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                        1⤵
                          PID:592

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000001

                          Filesize

                          195KB

                          MD5

                          873734b55d4c7d35a177c8318b0caec7

                          SHA1

                          469b913b09ea5b55e60098c95120cc9b935ddb28

                          SHA256

                          4ee3aa3dc43cb3ef3f6bfb91ed8214659e9c2600a45bee9728ebbcb6f33b088d

                          SHA512

                          24f05ed981e994475879ca2221b6948418c4412063b9c07f46b8de581047ddd5d73401562fa9ee54d4ce5f97a6288c54eac5de0ca29b1bb5797bdac5a1b30308

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

                          Filesize

                          264KB

                          MD5

                          f50f89a0a91564d0b8a211f8921aa7de

                          SHA1

                          112403a17dd69d5b9018b8cede023cb3b54eab7d

                          SHA256

                          b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                          SHA512

                          bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

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

                          Filesize

                          1KB

                          MD5

                          4284dd85519a5869ae913d47528f2cf4

                          SHA1

                          18bfdf4f391fdabedabd4a66406d526fdbcb8c74

                          SHA256

                          0c8be4973191fe13517b8d2b846d0a8b7733f3d2e255f54bd88d11a1cfa48763

                          SHA512

                          d5f86d7686628c3bf0727167c1a2089bf250be83f06c35d128fbebd245c8a991f610b2acd0f8f6053fb492381dd036d5216210d9e377033566064adba84f7c68

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

                          Filesize

                          4KB

                          MD5

                          7c1f660113d2e7be7a428ca91a762cd0

                          SHA1

                          3bbf7e589b3fa80547c31b2894a6c43787e5aed0

                          SHA256

                          92eacbcd06599bfd4f039bdcb1d4d455fc9f80315cfc689755d3397e9bf14ea9

                          SHA512

                          0909bf9b597b12ec067d0e183e88b42f12c900cc99494f6747260da8c9dda54e4e038efb9e97ad1de21e1d74aab92d9c8ab6f8c6eb6f2953a55becf3981ed8d9

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

                          Filesize

                          4KB

                          MD5

                          dfe33973202125ec3c733d24a4bd7c6e

                          SHA1

                          7feaca66d1765d3d70b1f859a05d1ec88898872f

                          SHA256

                          8a6a347a22220abfb8323aa7b097591d6fa31fe5f946dcc0517d22962f5f605a

                          SHA512

                          6ef574741073e114c9aa702b8d789f02c68fe342959a99ccdfa8b0b252f55b6cff27ebbb92c99fccbed9028528e451ac3527857566eb9ca72fd8af9c576efed7

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

                          Filesize

                          4KB

                          MD5

                          4082a76ed018641f42125332c3496bf0

                          SHA1

                          4ac81b81d45704faeb568060e025839c8eacb7b0

                          SHA256

                          ba3446ac0f29ecf6f9b513f1a7cff30d8055b83bf1d8ea860929457c098bc466

                          SHA512

                          747aa7731ae797db6d84cac945a6ddf03a6cca7eb5fd0f071cd8b0539d6e8c49f002d0cc5da8d4919dbec0229ca9f97514d1dae56c168cec8d2d0a8d137a6748

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\CURRENT

                          Filesize

                          16B

                          MD5

                          18e723571b00fb1694a3bad6c78e4054

                          SHA1

                          afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                          SHA256

                          8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                          SHA512

                          43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                        • memory/812-124-0x0000000074C30000-0x000000007531E000-memory.dmp

                          Filesize

                          6.9MB

                        • memory/812-128-0x0000000004BE0000-0x0000000004C20000-memory.dmp

                          Filesize

                          256KB

                        • memory/812-0-0x0000000001090000-0x00000000010A6000-memory.dmp

                          Filesize

                          88KB

                        • memory/812-2-0x0000000004BE0000-0x0000000004C20000-memory.dmp

                          Filesize

                          256KB

                        • memory/812-206-0x0000000004BE0000-0x0000000004C20000-memory.dmp

                          Filesize

                          256KB

                        • memory/812-207-0x0000000004BE0000-0x0000000004C20000-memory.dmp

                          Filesize

                          256KB

                        • memory/812-1-0x0000000074C30000-0x000000007531E000-memory.dmp

                          Filesize

                          6.9MB