Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-08-2023 13:45

General

  • Target

    http://193.178.210.59/4.exe

Score
10/10

Malware Config

Extracted

Family

systembc

C2

ar.undata.cc:5320

ar1.undata.cc:5320

Signatures

  • SystemBC

    SystemBC is a proxy and remote administration tool first seen in 2019.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Runs regedit.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://193.178.210.59/4.exe
    1⤵
    • 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:4056
    • 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=0x104,0x108,0x10c,0xe0,0x110,0x7ff858db9758,0x7ff858db9768,0x7ff858db9778
      2⤵
        PID:3304
      • 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=1732 --field-trial-handle=1888,i,8184730413071646342,9769251203477809700,131072 /prefetch:2
        2⤵
          PID:4416
        • 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=2180 --field-trial-handle=1888,i,8184730413071646342,9769251203477809700,131072 /prefetch:8
          2⤵
            PID:4512
          • 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=2248 --field-trial-handle=1888,i,8184730413071646342,9769251203477809700,131072 /prefetch:8
            2⤵
              PID:972
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3020 --field-trial-handle=1888,i,8184730413071646342,9769251203477809700,131072 /prefetch:1
              2⤵
                PID:1012
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --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=2884 --field-trial-handle=1888,i,8184730413071646342,9769251203477809700,131072 /prefetch:1
                2⤵
                  PID:2176
                • 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=4944 --field-trial-handle=1888,i,8184730413071646342,9769251203477809700,131072 /prefetch:8
                  2⤵
                    PID:2824
                  • 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=5404 --field-trial-handle=1888,i,8184730413071646342,9769251203477809700,131072 /prefetch:8
                    2⤵
                      PID:2308
                    • 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=5232 --field-trial-handle=1888,i,8184730413071646342,9769251203477809700,131072 /prefetch:8
                      2⤵
                        PID:3752
                      • 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=5588 --field-trial-handle=1888,i,8184730413071646342,9769251203477809700,131072 /prefetch:8
                        2⤵
                          PID:5072
                        • 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=3904 --field-trial-handle=1888,i,8184730413071646342,9769251203477809700,131072 /prefetch:8
                          2⤵
                            PID:1856
                          • 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=3944 --field-trial-handle=1888,i,8184730413071646342,9769251203477809700,131072 /prefetch:8
                            2⤵
                              PID:2072
                            • 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=4952 --field-trial-handle=1888,i,8184730413071646342,9769251203477809700,131072 /prefetch:8
                              2⤵
                                PID:2592
                              • C:\Users\Admin\Downloads\4.exe
                                "C:\Users\Admin\Downloads\4.exe"
                                2⤵
                                • Executes dropped EXE
                                • Suspicious use of SetThreadContext
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious behavior: MapViewOfSection
                                PID:2656
                                • C:\Windows\SysWOW64\cmd.exe
                                  "C:\Windows\SysWOW64\cmd.exe"
                                  3⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious behavior: MapViewOfSection
                                  PID:852
                                  • C:\Windows\SysWOW64\explorer.exe
                                    "C:\Windows\SysWOW64\explorer.exe"
                                    4⤵
                                      PID:4424
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=3504 --field-trial-handle=1888,i,8184730413071646342,9769251203477809700,131072 /prefetch:2
                                  2⤵
                                    PID:2156
                                • 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:2180
                                  • C:\Windows\System32\rundll32.exe
                                    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                    1⤵
                                      PID:3608
                                    • C:\Windows\system32\taskmgr.exe
                                      "C:\Windows\system32\taskmgr.exe" /4
                                      1⤵
                                      • Modifies registry class
                                      • Suspicious behavior: EnumeratesProcesses
                                      • Suspicious behavior: GetForegroundWindowSpam
                                      • Suspicious use of FindShellTrayWindow
                                      • Suspicious use of SendNotifyMessage
                                      PID:2916
                                    • C:\Windows\regedit.exe
                                      "C:\Windows\regedit.exe"
                                      1⤵
                                      • Runs regedit.exe
                                      • Suspicious behavior: GetForegroundWindowSpam
                                      PID:4536

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

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

                                      Filesize

                                      824B

                                      MD5

                                      922a455822a4d650ce21c271c339059e

                                      SHA1

                                      28414696bf7e65dfef123a235f639297055adddb

                                      SHA256

                                      fe96bef60aac758556108d9317f7c22589affc965f2c83d0c2b834b90c0caeaa

                                      SHA512

                                      d9408cff6a8e94045f2b7873ef53c0c866cc931b450242ae809f1910cec37f3b13936a94c7ffc492f93daa9c70849993fe4c3e572642c0c8e8567206da5730dd

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

                                      Filesize

                                      6KB

                                      MD5

                                      b866d4e2506ff3b3b177e8f5a92909a5

                                      SHA1

                                      7fbd9ed2a1e1db375ebf864ea7f7828810e82393

                                      SHA256

                                      6f0c2cedee71f135f88823c77b6b05be7e698bad16d6adfdcab82fc04940c7ff

                                      SHA512

                                      e116531c4c5ed9aac8d963b69573ae57191ec93e78793aa950cd2214e87ddd24cf32b92ab449ab7f50c59878e0640c3e208613650285ba22a41c1532171b32a9

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

                                      Filesize

                                      87KB

                                      MD5

                                      e94f2f5c61dc06802d6a0e243796ca4f

                                      SHA1

                                      3dcb9199a2797cd348116e9baafc780627517493

                                      SHA256

                                      5d954aa28df99e39287e2838d6b3c79577e034e4b129fdfec52ebf7d6ab56ee6

                                      SHA512

                                      f547cd215beb7549f6e83be5a2035e905633991a3cff384906b3dfb76a2f7d6516f0c09846686948732aae2c23b7b6ff5566210d4e48fdcff6179c16b9ace12d

                                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

                                      Filesize

                                      2B

                                      MD5

                                      99914b932bd37a50b983c5e7c90ae93b

                                      SHA1

                                      bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                      SHA256

                                      44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                      SHA512

                                      27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

                                    • C:\Users\Admin\AppData\Local\Temp\1a1c4e74

                                      Filesize

                                      438KB

                                      MD5

                                      3110953349eb29dc8e9d2b40140e984a

                                      SHA1

                                      336cb6587275b0bc2e4080f2f1ac07228938e011

                                      SHA256

                                      b6615ec441da0395fa055436c3ad4bf300b4a6838c368036ba4e2eec29ccb9df

                                      SHA512

                                      bda921c7a73b789e4521aa8b57da4a98d90c3162d3d27e2b12aca1dd37918a743fa1f3c540d111285fc2e71cf2a4be233ad20bc99bb98456082951fd39149412

                                    • C:\Users\Admin\Downloads\4.exe

                                      Filesize

                                      2.4MB

                                      MD5

                                      380283c71f4facf94116f8ae139d7e17

                                      SHA1

                                      280ea11bb3df92795df28bf5dad4a9142ae656a8

                                      SHA256

                                      db367f44a77eb1a40bdbf7e0b5211bbfac82c75f1ba128bc833c276529631af1

                                      SHA512

                                      db5c1aa6164a96a950bd493e50b601fb100f1e8720abc014eb05e8e687d6b1de0100dbce3f6fb2bef86b8473eb4f4aa520f0f642f93efe8bc5f6dc1f80a67a64

                                    • C:\Users\Admin\Downloads\4.exe

                                      Filesize

                                      2.4MB

                                      MD5

                                      380283c71f4facf94116f8ae139d7e17

                                      SHA1

                                      280ea11bb3df92795df28bf5dad4a9142ae656a8

                                      SHA256

                                      db367f44a77eb1a40bdbf7e0b5211bbfac82c75f1ba128bc833c276529631af1

                                      SHA512

                                      db5c1aa6164a96a950bd493e50b601fb100f1e8720abc014eb05e8e687d6b1de0100dbce3f6fb2bef86b8473eb4f4aa520f0f642f93efe8bc5f6dc1f80a67a64

                                    • C:\Users\Admin\Downloads\Unconfirmed 81776.crdownload

                                      Filesize

                                      2.4MB

                                      MD5

                                      380283c71f4facf94116f8ae139d7e17

                                      SHA1

                                      280ea11bb3df92795df28bf5dad4a9142ae656a8

                                      SHA256

                                      db367f44a77eb1a40bdbf7e0b5211bbfac82c75f1ba128bc833c276529631af1

                                      SHA512

                                      db5c1aa6164a96a950bd493e50b601fb100f1e8720abc014eb05e8e687d6b1de0100dbce3f6fb2bef86b8473eb4f4aa520f0f642f93efe8bc5f6dc1f80a67a64

                                    • \??\pipe\crashpad_4056_CHHPGZBXYUHMZYXA

                                      MD5

                                      d41d8cd98f00b204e9800998ecf8427e

                                      SHA1

                                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                                      SHA256

                                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                      SHA512

                                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                    • memory/852-198-0x00007FF8672B0000-0x00007FF8674A5000-memory.dmp

                                      Filesize

                                      2.0MB

                                    • memory/2656-181-0x00007FF845CC0000-0x00007FF847337000-memory.dmp

                                      Filesize

                                      22.5MB

                                    • memory/2916-211-0x000001CE41E50000-0x000001CE41E51000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2916-220-0x000001CE41E50000-0x000001CE41E51000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2916-215-0x000001CE41E50000-0x000001CE41E51000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2916-216-0x000001CE41E50000-0x000001CE41E51000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2916-217-0x000001CE41E50000-0x000001CE41E51000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2916-218-0x000001CE41E50000-0x000001CE41E51000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2916-219-0x000001CE41E50000-0x000001CE41E51000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2916-210-0x000001CE41E50000-0x000001CE41E51000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2916-221-0x000001CE41E50000-0x000001CE41E51000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2916-209-0x000001CE41E50000-0x000001CE41E51000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4424-223-0x0000000000400000-0x0000000000409000-memory.dmp

                                      Filesize

                                      36KB

                                    • memory/4424-238-0x00007FF8672B0000-0x00007FF8674A5000-memory.dmp

                                      Filesize

                                      2.0MB

                                    • memory/4424-239-0x0000000000400000-0x0000000000409000-memory.dmp

                                      Filesize

                                      36KB

                                    • memory/4424-240-0x0000000000F20000-0x0000000001353000-memory.dmp

                                      Filesize

                                      4.2MB

                                    • memory/4424-242-0x0000000000400000-0x0000000000409000-memory.dmp

                                      Filesize

                                      36KB

                                    • memory/4424-243-0x0000000000400000-0x0000000000409000-memory.dmp

                                      Filesize

                                      36KB