Resubmissions

09-04-2024 13:11

240409-qe3emafg95 10

09-04-2024 13:11

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09-04-2024 13:10

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09-04-2024 13:10

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10-07-2021 10:36

210710-89hyhpsaw6 9

Analysis

  • max time kernel
    300s
  • max time network
    305s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-04-2024 10:22

General

  • Target

    23ac6a9a61ddc568b82e23d19873e1756be1450cd9989f698be3d18f083f24aa.bin.exe

  • Size

    5.2MB

  • MD5

    0bff2eb7cf8fbbf17ff6594b09101e3b

  • SHA1

    bfa77a5afa5d45aa178edc14361ca2a5825c96f5

  • SHA256

    23ac6a9a61ddc568b82e23d19873e1756be1450cd9989f698be3d18f083f24aa

  • SHA512

    0861b861e3579ea7867515cea737f811b28bdc689fe24a8e89d1cd9c47d621eb76488a444406d604e0ac860d5f4a8ec73d931828d4281372ad7827af61e73f13

  • SSDEEP

    98304:3mcwWGj36qlPEo+AiJGIvKL10DGXPXbgkIjqNFHBAMSEFkU9WFn5fG2iD8ND3+P:2BP7lPEo+Phu3LjIjqjHBqEFPEF579Nr

Malware Config

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • BitRAT payload 2 IoCs
  • ACProtect 1.3x - 1.4x DLL software 7 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • UPX packed file 31 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Looks up external IP address via web service 25 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: RenamesItself 57 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23ac6a9a61ddc568b82e23d19873e1756be1450cd9989f698be3d18f083f24aa.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\23ac6a9a61ddc568b82e23d19873e1756be1450cd9989f698be3d18f083f24aa.bin.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3108
    • C:\Users\Admin\AppData\Local\e0c93a5e\tor\javaupdate.exe
      "C:\Users\Admin\AppData\Local\e0c93a5e\tor\javaupdate.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4040
  • 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=4068 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3328

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\e0c93a5e\tor\data\cached-microdesc-consensus.tmp
      Filesize

      2.7MB

      MD5

      ffcd5cbca9867eee8d74446c60ea6736

      SHA1

      1a14d9829b9ec3b18adbdca0f87df2fd34938992

      SHA256

      2089eed082364ed1e52980737b55c54c434f42fdf5048077b63e0dc5ee8e69c3

      SHA512

      e11ed7aab2389008bb02ed33cffaeeab18799acc1ebdecc9a84edc190a55dda41aa5543cc5d7a784e966cb3ab93973fe81a1b94db89e3600fff9017db083b6fb

    • C:\Users\Admin\AppData\Local\e0c93a5e\tor\data\cached-microdescs.new
      Filesize

      8.4MB

      MD5

      b503b12a29c315e920c1937ee5cbe739

      SHA1

      15576fe9c67cca3af10c78f468dca8240e00991e

      SHA256

      731c1ff6d03baa613d55af8a007bc05e61947f150c79aad5ece5eedd321fcfae

      SHA512

      eb228009713cd8643233b12c82518efd2e8994cdb09977e9fcd3ed80ebb297424fee5022d7da06b15c556eb8dcabb1e94b224e312225d545f89ef2c95528e5a6

    • C:\Users\Admin\AppData\Local\e0c93a5e\tor\javaupdate.exe
      Filesize

      973KB

      MD5

      5cfe61ff895c7daa889708665ef05d7b

      SHA1

      5e58efe30406243fbd58d4968b0492ddeef145f2

      SHA256

      f9c1d18b50ce7484bf212cb61a9035602cfb90ebdfe66a077b9f6df73196a9f5

      SHA512

      43b6f10391a863a21f70e05cee41900729c7543750e118ff5d74c0cac3d1383f10bcb73eade2a28b555a393cada4795e204246129b01ad9177d1167827dd68da

    • C:\Users\Admin\AppData\Local\e0c93a5e\tor\libcrypto-1_1.dll
      Filesize

      1.7MB

      MD5

      2384a02c4a1f7ec481adde3a020607d3

      SHA1

      7e848d35a10bf9296c8fa41956a3daa777f86365

      SHA256

      c8db0ff0f7047ed91b057005e86ad3a23eae616253313aa047c560d9eb398369

      SHA512

      1ac74dd2d863acd7415ef8b9490a5342865462fbabdad0645da22424b0d56f5e9c389a3d7c41386f2414d6c4715c79a6ddecb6e6cff29e98319e1fd1060f4503

    • C:\Users\Admin\AppData\Local\e0c93a5e\tor\libevent-2-1-6.dll
      Filesize

      366KB

      MD5

      099983c13bade9554a3c17484e5481f1

      SHA1

      a84e69ad9722f999252d59d0ed9a99901a60e564

      SHA256

      b65f9aa0c7912af64bd9b05e9322e994339a11b0c8907e6a6166d7b814bda838

      SHA512

      89f1a963de77873296395662d4150e3eff7a2d297fb9ec54ec06aa2e40d41e5f4fc4611e9bc34126d760c9134f2907fea3bebdf2fbbd7eaddad99f8e4be1f5e2

    • C:\Users\Admin\AppData\Local\e0c93a5e\tor\libgcc_s_sjlj-1.dll
      Filesize

      286KB

      MD5

      b0d98f7157d972190fe0759d4368d320

      SHA1

      5715a533621a2b642aad9616e603c6907d80efc4

      SHA256

      2922193133dabab5b82088d4e87484e2fac75e9e0c765dacaf22eb5f4f18b0c5

      SHA512

      41ce56c428158533bf8b8ffe0a71875b5a3abc549b88d7d3e69acc6080653abea344d6d66fff39c04bf019fcaa295768d620377d85a933ddaf17f3d90df29496

    • C:\Users\Admin\AppData\Local\e0c93a5e\tor\libssl-1_1.dll
      Filesize

      439KB

      MD5

      c88826ac4bb879622e43ead5bdb95aeb

      SHA1

      87d29853649a86f0463bfd9ad887b85eedc21723

      SHA256

      c4d898b1a4285a45153af9ed88d79aa2a073dcb7225961b6b276b532b4d18b6f

      SHA512

      f733041ef35b9b8058fbcf98faa0d1fea5c0858fea941ecebbe9f083cd73e3e66323afffd8d734097fcdd5e6e59db4d94f51fca5874edbcd2a382d9ba6cd97b3

    • C:\Users\Admin\AppData\Local\e0c93a5e\tor\libssp-0.dll
      Filesize

      88KB

      MD5

      2c916456f503075f746c6ea649cf9539

      SHA1

      fa1afc1f3d728c89b2e90e14ca7d88b599580a9d

      SHA256

      cbb5236d923d4f4baf2f0d2797c72a2cbae42ef7ac0acce786daf5fdc5b456e6

      SHA512

      1c1995e1aa7c33c597c64122395275861d9219e46d45277d4f1768a2e06227b353d5d77d6b7cb655082dc6fb9736ad6f7cfcc0c90e02776e27d50857e792e3fd

    • C:\Users\Admin\AppData\Local\e0c93a5e\tor\libwinpthread-1.dll
      Filesize

      188KB

      MD5

      d407cc6d79a08039a6f4b50539e560b8

      SHA1

      21171adbc176dc19aaa5e595cd2cd4bd1dfd0c71

      SHA256

      92cfd0277c8781a15a0f17b7aee6cff69631b9606a001101631f04b3381efc4e

      SHA512

      378a10fed915591445d97c6d04e82d28008d8ea65e0e40c142b8ee59867035d561d4e103495c8f0d9c19b51597706ce0b450c25516aa0f1744579ffcd097ae0c

    • C:\Users\Admin\AppData\Local\e0c93a5e\tor\torrc
      Filesize

      139B

      MD5

      b5bb1313df0efb6309cbb9e97b992636

      SHA1

      ade9cd0aaf21358b4018f1c7350910442c252bae

      SHA256

      58b5958bc1a62b6a4e48d5ecf9773a87ff8c23d8736d7695b13ba158a57e9bae

      SHA512

      e8fea7789af8ed5173461c3e40cf4af0990c0aa042bfec51b87084b09e3d6ba0130c27b6c959dc505ff3fea72b4593d12c06fbb5c453581efcdc77693d40e292

    • C:\Users\Admin\AppData\Local\e0c93a5e\tor\zlib1.dll
      Filesize

      52KB

      MD5

      add33041af894b67fe34e1dc819b7eb6

      SHA1

      6db46eb021855a587c95479422adcc774a272eeb

      SHA256

      8688bd7ca55dcc0c23c429762776a0a43fe5b0332dfd5b79ef74e55d4bbc1183

      SHA512

      bafc441198d03f0e7fe804bab89283c389d38884d0f87d81b11950a9b79fcbf7b32be4bb16f4fcd9179b66f865c563c172a46b4514a6087ef0af64425a4b2cfa

    • memory/3108-44-0x0000000072DD0000-0x0000000072E09000-memory.dmp
      Filesize

      228KB

    • memory/3108-64-0x0000000000400000-0x0000000000D54000-memory.dmp
      Filesize

      9.3MB

    • memory/3108-304-0x0000000073EE0000-0x0000000073F19000-memory.dmp
      Filesize

      228KB

    • memory/3108-254-0x0000000072DD0000-0x0000000072E09000-memory.dmp
      Filesize

      228KB

    • memory/3108-245-0x0000000074320000-0x0000000074359000-memory.dmp
      Filesize

      228KB

    • memory/3108-136-0x00000000724F0000-0x0000000072529000-memory.dmp
      Filesize

      228KB

    • memory/3108-118-0x0000000073EE0000-0x0000000073F19000-memory.dmp
      Filesize

      228KB

    • memory/3108-1-0x0000000074320000-0x0000000074359000-memory.dmp
      Filesize

      228KB

    • memory/3108-43-0x0000000000400000-0x0000000000D54000-memory.dmp
      Filesize

      9.3MB

    • memory/3108-0-0x0000000000400000-0x0000000000D54000-memory.dmp
      Filesize

      9.3MB

    • memory/4040-102-0x0000000000690000-0x0000000000A94000-memory.dmp
      Filesize

      4.0MB

    • memory/4040-37-0x0000000073580000-0x000000007368A000-memory.dmp
      Filesize

      1.0MB

    • memory/4040-57-0x00000000737A0000-0x0000000073868000-memory.dmp
      Filesize

      800KB

    • memory/4040-62-0x00000000732B0000-0x000000007357F000-memory.dmp
      Filesize

      2.8MB

    • memory/4040-63-0x00000000731E0000-0x00000000732AE000-memory.dmp
      Filesize

      824KB

    • memory/4040-34-0x0000000073750000-0x0000000073799000-memory.dmp
      Filesize

      292KB

    • memory/4040-25-0x00000000737A0000-0x0000000073868000-memory.dmp
      Filesize

      800KB

    • memory/4040-22-0x0000000000690000-0x0000000000A94000-memory.dmp
      Filesize

      4.0MB

    • memory/4040-35-0x0000000073720000-0x0000000073744000-memory.dmp
      Filesize

      144KB

    • memory/4040-56-0x0000000000690000-0x0000000000A94000-memory.dmp
      Filesize

      4.0MB

    • memory/4040-82-0x0000000000690000-0x0000000000A94000-memory.dmp
      Filesize

      4.0MB

    • memory/4040-110-0x0000000000690000-0x0000000000A94000-memory.dmp
      Filesize

      4.0MB

    • memory/4040-39-0x00000000731E0000-0x00000000732AE000-memory.dmp
      Filesize

      824KB

    • memory/4040-128-0x0000000000690000-0x0000000000A94000-memory.dmp
      Filesize

      4.0MB

    • memory/4040-38-0x00000000732B0000-0x000000007357F000-memory.dmp
      Filesize

      2.8MB

    • memory/4040-137-0x0000000000690000-0x0000000000A94000-memory.dmp
      Filesize

      4.0MB

    • memory/4040-148-0x0000000000690000-0x0000000000A94000-memory.dmp
      Filesize

      4.0MB

    • memory/4040-94-0x0000000000690000-0x0000000000A94000-memory.dmp
      Filesize

      4.0MB

    • memory/4040-36-0x0000000073690000-0x0000000073718000-memory.dmp
      Filesize

      544KB

    • memory/4040-90-0x0000000000690000-0x0000000000A94000-memory.dmp
      Filesize

      4.0MB