Analysis

  • max time kernel
    110s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19/05/2024, 20:53

General

  • Target

    sigmahacks0.2.exe

  • Size

    6.9MB

  • MD5

    10bbd38c21ebf84fea97c3812d57d9c6

  • SHA1

    293cec0d7f44151ffbf88dfe408265825f8bca9b

  • SHA256

    83c4e5947870b7b9f06044624b420ddc9fbae6898a5c9b4420c3dbeaca508bb9

  • SHA512

    a00ec8ed84b806c4aca8564354a6687da64b999d255df7fea4c38e6026c8a4cee665414e96d5e28904d051f4c1a6956193a96c12e52286d6d7f58f39bae8ac31

  • SSDEEP

    196608:ESw7sghUuE1R1R9iVTdRUo/Rf7KG0ZLK+4eCA6Pt7R:PwDh10RsFzUURTclC5t7

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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\sigmahacks0.2.exe
    "C:\Users\Admin\AppData\Local\Temp\sigmahacks0.2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Users\Admin\AppData\Local\Temp\onefile_2100_133606256234370000\test.exe
      "C:\Users\Admin\AppData\Local\Temp\sigmahacks0.2.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2840
  • 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:2332
    • 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,0x7fef7809758,0x7fef7809768,0x7fef7809778
      2⤵
        PID:2544
      • 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=1164 --field-trial-handle=1020,i,3898912371935648150,15716686244905977767,131072 /prefetch:2
        2⤵
          PID:2748
        • 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=1512 --field-trial-handle=1020,i,3898912371935648150,15716686244905977767,131072 /prefetch:8
          2⤵
            PID:2780
          • 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=1136 --field-trial-handle=1020,i,3898912371935648150,15716686244905977767,131072 /prefetch:8
            2⤵
              PID:2260
            • 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=2308 --field-trial-handle=1020,i,3898912371935648150,15716686244905977767,131072 /prefetch:1
              2⤵
                PID:2284
              • 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=2316 --field-trial-handle=1020,i,3898912371935648150,15716686244905977767,131072 /prefetch:1
                2⤵
                  PID:1844
                • 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=1556 --field-trial-handle=1020,i,3898912371935648150,15716686244905977767,131072 /prefetch:2
                  2⤵
                    PID:1728
                  • 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=3200 --field-trial-handle=1020,i,3898912371935648150,15716686244905977767,131072 /prefetch:1
                    2⤵
                      PID:1512
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3432 --field-trial-handle=1020,i,3898912371935648150,15716686244905977767,131072 /prefetch:8
                      2⤵
                        PID:952
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3592 --field-trial-handle=1020,i,3898912371935648150,15716686244905977767,131072 /prefetch:8
                        2⤵
                          PID:988
                        • 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=3620 --field-trial-handle=1020,i,3898912371935648150,15716686244905977767,131072 /prefetch:8
                          2⤵
                            PID:2232
                        • 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:1376

                          Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

                                  Filesize

                                  16B

                                  MD5

                                  aefd77f47fb84fae5ea194496b44c67a

                                  SHA1

                                  dcfbb6a5b8d05662c4858664f81693bb7f803b82

                                  SHA256

                                  4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

                                  SHA512

                                  b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

                                • 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

                                  795b2f191ac3f51a491104571021e8db

                                  SHA1

                                  8362013e4aba02d60fb62f986a0ed77992a40a04

                                  SHA256

                                  ff75059b88a65c242cefa00f1f3cfb3eee947650405a7e5819aa7a42e51da66d

                                  SHA512

                                  a184197dea1301022b6fbb99a5cc8a8d06135ad290cd0e07effb4f7cf6d9fd704b1ae849538e28b644b09bf25029d5f7876a620823bd0a4690df5734e5ce1857

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

                                  Filesize

                                  5KB

                                  MD5

                                  dad0d551a046b240b1ac46c4cc6b2985

                                  SHA1

                                  1c216261aac9aa8cdd3f880abd9a35b0709d3488

                                  SHA256

                                  e7c0086ee82152198da459063c7b22bd0b960915a22eeddfa897a058ec11ca91

                                  SHA512

                                  5030e6f4b6e7a79ae5b12d5b547068f2a3645c2b1083067ece1051633b393d38e4b63eebce0fc5ec100bb47c1bb41daed2818c94736776ff56ab352647b6fafa

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

                                  Filesize

                                  5KB

                                  MD5

                                  63684aa21ff31cd67cd6aa2e4b29a3f8

                                  SHA1

                                  18c0442caaffeff699ec20cd4849482297140e3b

                                  SHA256

                                  f8826dbf8f42b7db5a1bca389005d61ca49535018e3b648076d3356ff933f63a

                                  SHA512

                                  e29db1458f69c7944d2da4c37a7d40e3ac853bc4d0c5ad6f878cc7cad0b2bc6a4d0a9effa0b3699099470673e6a14eecf84d66e146abbc51510a953af6772973

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

                                  Filesize

                                  16B

                                  MD5

                                  18e723571b00fb1694a3bad6c78e4054

                                  SHA1

                                  afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                                  SHA256

                                  8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                                  SHA512

                                  43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                                • C:\Users\Admin\AppData\Local\Temp\onefile_2100_133606256234370000\python311.dll

                                  Filesize

                                  5.5MB

                                  MD5

                                  9a24c8c35e4ac4b1597124c1dcbebe0f

                                  SHA1

                                  f59782a4923a30118b97e01a7f8db69b92d8382a

                                  SHA256

                                  a0cf640e756875c25c12b4a38ba5f2772e8e512036e2ac59eb8567bf05ffbfb7

                                  SHA512

                                  9d9336bf1f0d3bc9ce4a636a5f4e52c5f9487f51f00614fc4a34854a315ce7ea8be328153812dbd67c45c75001818fa63317eba15a6c9a024fa9f2cab163165b

                                • \Users\Admin\AppData\Local\Temp\onefile_2100_133606256234370000\test.exe

                                  Filesize

                                  9.6MB

                                  MD5

                                  5244aa93f4209963f6c63e1ef9dde0b9

                                  SHA1

                                  642219eec726127fe7fbe9ceb5e223dcf46fbe46

                                  SHA256

                                  aeca166d5d3da9e76957686ca8753e95b930d8508f825f3cc6b4bac28da6e142

                                  SHA512

                                  e510165f98b070ad3c202734833230779fd95585d28b0a9873afbb5022f488c85e935b7f366a92b89449b42106f4ed76997cac16994386560bd45021d368e28c