Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-04-2024 10:22

General

  • Target

    144fc3eb864656a84d469cd65cb4c2238a2cd2b05ea4bb844eed0edd1530012d.exe

  • Size

    423KB

  • MD5

    358d5366954f40ec396988ec9a4da94a

  • SHA1

    5a5c3c59a20d5bc122197ecfb03f1bb1585207d9

  • SHA256

    144fc3eb864656a84d469cd65cb4c2238a2cd2b05ea4bb844eed0edd1530012d

  • SHA512

    12e691416e07f4e3aee3c469ed61aba87ddce03e1a2f9246fc6082b01ef759b53e06346edd54c4c6c50e50fbdfde265ebfd1c26a90f4984b561a5f7ee48d3eee

  • SSDEEP

    6144:40CAaTtTOfEoGGVCkPLBtGbnJPgyResEeENtO0DTkq1:XCAcOfEoGuRPLBtGbJQeKtOcTkq1

Malware Config

Signatures

  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\144fc3eb864656a84d469cd65cb4c2238a2cd2b05ea4bb844eed0edd1530012d.exe
    "C:\Users\Admin\AppData\Local\Temp\144fc3eb864656a84d469cd65cb4c2238a2cd2b05ea4bb844eed0edd1530012d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4156
    • C:\Users\Admin\AppData\Local\Temp\u37g.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u37g.0.exe"
      2⤵
      • Executes dropped EXE
      PID:1712
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1712 -s 1040
        3⤵
        • Program crash
        PID:556
    • C:\Users\Admin\AppData\Local\Temp\u37g.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u37g.2\run.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1716
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\SysWOW64\cmd.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1648
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4396
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1712 -ip 1712
    1⤵
      PID:3316
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3820 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4620
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=2840 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:1596
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3524 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:3
          1⤵
            PID:3900

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            2B

            MD5

            d751713988987e9331980363e24189ce

            SHA1

            97d170e1550eee4afc0af065b78cda302a97674c

            SHA256

            4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

            SHA512

            b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries

            Filesize

            40B

            MD5

            20d4b8fa017a12a108c87f540836e250

            SHA1

            1ac617fac131262b6d3ce1f52f5907e31d5f6f00

            SHA256

            6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

            SHA512

            507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

          • C:\Users\Admin\AppData\Local\Temp\5569bd3f

            Filesize

            1.4MB

            MD5

            8a77297995a1c0977d951fb06f2db81a

            SHA1

            02c8f230bdec21f10b6e926fee3f7d3ec75f45d8

            SHA256

            79b4379bf7f880d90217439a8bd993d26f2ba814ca1a1e4093a25877c907a9a6

            SHA512

            70d44c6b0a48e820332b82d1acf257da9d57c383f25382cb2a6caa7d3ed8c6f77409381165d924ba59479526b93b5352240b8193a6dcf0014c3c98eb9d3ed21a

          • C:\Users\Admin\AppData\Local\Temp\tmpC471.tmp

            Filesize

            20KB

            MD5

            c9ff7748d8fcef4cf84a5501e996a641

            SHA1

            02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

            SHA256

            4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

            SHA512

            d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

          • C:\Users\Admin\AppData\Local\Temp\tmpD696.tmp

            Filesize

            20KB

            MD5

            91dbaf73c1a8c55254d90272f998e412

            SHA1

            2b86b31c8c00c937291e5ac3b1d134a5df959acf

            SHA256

            0628922305d2478ba75a48efadf932d439616eaf1ff908be334793f7bde28107

            SHA512

            109f4f59616cc1d1682b4d9468804f7668c77ce1878afec06a57037193f31a9c1c39f5d269277462936373b129d26488cddcc34d455c27185534e7754baaa988

          • C:\Users\Admin\AppData\Local\Temp\u37g.0.exe

            Filesize

            279KB

            MD5

            19df99c6abef7763427c6e25f42d5d69

            SHA1

            5cb8f62d3645871185194693136e8bd4eb931cb5

            SHA256

            dc4d4fc8db5eb4646ad9caed3135e86655f5b7a08556bd7d2134cd73719b7a22

            SHA512

            883589e6a02e468f18b3a1a3fef5589cf1673e81d5d8008472ebde2b65456c0d8a61b78c1273349e1e9040c08991d4031850a36d471c54e3978c2abf9cf88580

          • C:\Users\Admin\AppData\Local\Temp\u37g.1.zip

            Filesize

            3.7MB

            MD5

            78d3ca6355c93c72b494bb6a498bf639

            SHA1

            2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

            SHA256

            a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

            SHA512

            1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

          • C:\Users\Admin\AppData\Local\Temp\u37g.2\UIxMarketPlugin.dll

            Filesize

            1.6MB

            MD5

            d1ba9412e78bfc98074c5d724a1a87d6

            SHA1

            0572f98d78fb0b366b5a086c2a74cc68b771d368

            SHA256

            cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

            SHA512

            8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

          • C:\Users\Admin\AppData\Local\Temp\u37g.2\bunch.dat

            Filesize

            1.3MB

            MD5

            1e8237d3028ab52821d69099e0954f97

            SHA1

            30a6ae353adda0c471c6ed5b7a2458b07185abf2

            SHA256

            9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

            SHA512

            a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

          • C:\Users\Admin\AppData\Local\Temp\u37g.2\relay.dll

            Filesize

            1.5MB

            MD5

            10d51becd0bbce0fab147ff9658c565e

            SHA1

            4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

            SHA256

            7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

            SHA512

            29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

          • C:\Users\Admin\AppData\Local\Temp\u37g.2\run.exe

            Filesize

            2.4MB

            MD5

            9fb4770ced09aae3b437c1c6eb6d7334

            SHA1

            fe54b31b0db8665aa5b22bed147e8295afc88a03

            SHA256

            a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

            SHA512

            140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

          • C:\Users\Admin\AppData\Local\Temp\u37g.2\whale.dbf

            Filesize

            85KB

            MD5

            a723bf46048e0bfb15b8d77d7a648c3e

            SHA1

            8952d3c34e9341e4425571e10f22b782695bb915

            SHA256

            b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

            SHA512

            ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

          • memory/1648-123-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

            Filesize

            2.0MB

          • memory/1648-127-0x0000000073580000-0x00000000736FB000-memory.dmp

            Filesize

            1.5MB

          • memory/1648-129-0x0000000073580000-0x00000000736FB000-memory.dmp

            Filesize

            1.5MB

          • memory/1648-131-0x0000000073580000-0x00000000736FB000-memory.dmp

            Filesize

            1.5MB

          • memory/1648-121-0x0000000073580000-0x00000000736FB000-memory.dmp

            Filesize

            1.5MB

          • memory/1712-16-0x00000000030B0000-0x00000000030D7000-memory.dmp

            Filesize

            156KB

          • memory/1712-18-0x0000000000400000-0x0000000002C29000-memory.dmp

            Filesize

            40.2MB

          • memory/1712-17-0x0000000000400000-0x0000000002C29000-memory.dmp

            Filesize

            40.2MB

          • memory/1712-15-0x0000000002DB0000-0x0000000002EB0000-memory.dmp

            Filesize

            1024KB

          • memory/1716-110-0x0000000073580000-0x00000000736FB000-memory.dmp

            Filesize

            1.5MB

          • memory/1716-111-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

            Filesize

            2.0MB

          • memory/1716-118-0x0000000073580000-0x00000000736FB000-memory.dmp

            Filesize

            1.5MB

          • memory/1716-119-0x0000000073580000-0x00000000736FB000-memory.dmp

            Filesize

            1.5MB

          • memory/4156-22-0x0000000000400000-0x0000000002C4D000-memory.dmp

            Filesize

            40.3MB

          • memory/4156-117-0x0000000000400000-0x0000000002C4D000-memory.dmp

            Filesize

            40.3MB

          • memory/4156-1-0x0000000002E20000-0x0000000002F20000-memory.dmp

            Filesize

            1024KB

          • memory/4156-19-0x0000000002E20000-0x0000000002F20000-memory.dmp

            Filesize

            1024KB

          • memory/4156-20-0x0000000003120000-0x000000000318D000-memory.dmp

            Filesize

            436KB

          • memory/4156-2-0x0000000003120000-0x000000000318D000-memory.dmp

            Filesize

            436KB

          • memory/4156-3-0x0000000000400000-0x0000000002C4D000-memory.dmp

            Filesize

            40.3MB

          • memory/4156-5-0x0000000000400000-0x0000000002C4D000-memory.dmp

            Filesize

            40.3MB

          • memory/4156-14-0x0000000000400000-0x0000000002C4D000-memory.dmp

            Filesize

            40.3MB

          • memory/4396-140-0x0000000005600000-0x00000000057C2000-memory.dmp

            Filesize

            1.8MB

          • memory/4396-146-0x0000000006090000-0x00000000060AE000-memory.dmp

            Filesize

            120KB

          • memory/4396-138-0x00000000059E0000-0x0000000005F84000-memory.dmp

            Filesize

            5.6MB

          • memory/4396-141-0x00000000054B0000-0x0000000005526000-memory.dmp

            Filesize

            472KB

          • memory/4396-142-0x0000000005530000-0x0000000005580000-memory.dmp

            Filesize

            320KB

          • memory/4396-143-0x0000000005430000-0x000000000543A000-memory.dmp

            Filesize

            40KB

          • memory/4396-145-0x00000000065C0000-0x0000000006AEC000-memory.dmp

            Filesize

            5.2MB

          • memory/4396-139-0x0000000005340000-0x0000000005350000-memory.dmp

            Filesize

            64KB

          • memory/4396-147-0x0000000006180000-0x00000000061E6000-memory.dmp

            Filesize

            408KB

          • memory/4396-137-0x0000000005370000-0x0000000005402000-memory.dmp

            Filesize

            584KB

          • memory/4396-136-0x0000000000D00000-0x0000000000DC6000-memory.dmp

            Filesize

            792KB

          • memory/4396-135-0x0000000073AD0000-0x0000000074280000-memory.dmp

            Filesize

            7.7MB

          • memory/4396-174-0x0000000073AD0000-0x0000000074280000-memory.dmp

            Filesize

            7.7MB

          • memory/4396-132-0x0000000072050000-0x00000000732A4000-memory.dmp

            Filesize

            18.3MB

          • memory/4396-180-0x0000000005340000-0x0000000005350000-memory.dmp

            Filesize

            64KB