Resubmissions

17-04-2024 11:59

240417-n55assfe71 10

17-04-2024 11:59

240417-n5yg9afe7x 10

17-04-2024 11:59

240417-n5rdyaea36 10

17-04-2024 11:59

240417-n5qseaea35 10

17-04-2024 11:59

240417-n5p6wafe6y 10

17-04-2024 06:14

240417-gzcv2aff75 10

Analysis

  • max time kernel
    297s
  • max time network
    299s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    17-04-2024 06:14

General

  • Target

    426bc8bac5cb97b5340b0f347cc70024fb5cc64041149ad923c815aedaf17a7a.exe

  • Size

    7.8MB

  • MD5

    dbcb8a833677953edaf640b4d627895c

  • SHA1

    688d21022848bddd94d1cf45d351cac0214c46be

  • SHA256

    426bc8bac5cb97b5340b0f347cc70024fb5cc64041149ad923c815aedaf17a7a

  • SHA512

    a789c91d86a0d09a62b12e1b11d97ed1410ec91d24f09fcc459d88432fa1a8a6bfccbf8427a68f950f2b3a13142668dfc21414c76867330babc4c13bb3553c15

  • SSDEEP

    196608:OIRcbH4jSteTGvaxwhzav1yo31CPwDv3uFZjeg2EeJUO9WLQkDxtw3iFFrS6XOfm:OdHsfuaxwZ6v1CPwDv3uFteg2EeJUO9a

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

sef7qgz77oamhl5gimls62lekmig5ormf6dcgftblhaxt2cn7emkbuid.onion:80

Attributes
  • communication_password

    81dc9bdb52d04dc20036dbd8313ed055

  • install_dir

    appdata

  • install_file

    HealthCheck.exe

  • tor_process

    WebDebugger

Signatures

  • BitRAT

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

  • ACProtect 1.3x - 1.4x DLL software 7 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 35 IoCs
  • UPX packed file 64 IoCs

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

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: RenamesItself 58 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\426bc8bac5cb97b5340b0f347cc70024fb5cc64041149ad923c815aedaf17a7a.exe
    "C:\Users\Admin\AppData\Local\Temp\426bc8bac5cb97b5340b0f347cc70024fb5cc64041149ad923c815aedaf17a7a.exe"
    1⤵
    • 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:3856
    • C:\Users\Admin\AppData\Local\00e31655\tor\WebDebugger.exe
      "C:\Users\Admin\AppData\Local\00e31655\tor\WebDebugger.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1272
    • C:\Users\Admin\AppData\Local\00e31655\tor\WebDebugger.exe
      "C:\Users\Admin\AppData\Local\00e31655\tor\WebDebugger.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:660
    • C:\Users\Admin\AppData\Local\00e31655\tor\WebDebugger.exe
      "C:\Users\Admin\AppData\Local\00e31655\tor\WebDebugger.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1004
    • C:\Users\Admin\AppData\Local\00e31655\tor\WebDebugger.exe
      "C:\Users\Admin\AppData\Local\00e31655\tor\WebDebugger.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1488
    • C:\Users\Admin\AppData\Local\00e31655\tor\WebDebugger.exe
      "C:\Users\Admin\AppData\Local\00e31655\tor\WebDebugger.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\00e31655\tor\WebDebugger.exe

    Filesize

    973KB

    MD5

    5cfe61ff895c7daa889708665ef05d7b

    SHA1

    5e58efe30406243fbd58d4968b0492ddeef145f2

    SHA256

    f9c1d18b50ce7484bf212cb61a9035602cfb90ebdfe66a077b9f6df73196a9f5

    SHA512

    43b6f10391a863a21f70e05cee41900729c7543750e118ff5d74c0cac3d1383f10bcb73eade2a28b555a393cada4795e204246129b01ad9177d1167827dd68da

  • C:\Users\Admin\AppData\Local\00e31655\tor\data\cached-certs

    Filesize

    20KB

    MD5

    ecbdc39fd4af35cb893956d570b40ede

    SHA1

    14ded52216d915777aae314b60cd8c9dff5a2da0

    SHA256

    9fd0ebc80c1e931a24739dea44958a787d619de0fbccd260dc3a4cd23e4fd3e2

    SHA512

    1f2665069b5eece9513f2925968ed9c52b3fca6b38f044d7164ee1fc826af44d48d728139c5794a788214fa4960dfe2a1c62ee63d47501f309b3a0e7e8c29ba2

  • C:\Users\Admin\AppData\Local\00e31655\tor\data\cached-microdesc-consensus

    Filesize

    2.6MB

    MD5

    346a8717158eec3ebbdcc719c0afb39e

    SHA1

    bc0b20aa5bae2335267dd0d6816f40e1b07d1a42

    SHA256

    4d23c6a966e5507de34d32d58b8144bf9140349127acdf732c04d59659066719

    SHA512

    3eb1a97e672a51477cc2a06a1a8ce6c5003d470658e5c58a1db031d09f2d3514bfe03637884e23f1800981e85336b76358bb9a97b0bb1b578a1c70c6e8418fb2

  • C:\Users\Admin\AppData\Local\00e31655\tor\data\cached-microdescs

    Filesize

    20.2MB

    MD5

    9ba45a70ce9175a5759fb73096806808

    SHA1

    2622fb657daa67d6058da1a29710e6fbcc4bc7ce

    SHA256

    b027138ac074d7c8eef619a9dc12ca31b9c2b9881b4a2a7ae0c6c6b7e7182c2f

    SHA512

    e78a3401804d2ea09f8563bfeada2099568456aab7b964df9cbabdb26ca46f252b65accf01b7a925dba831ba2aefd8a3ec4d2179bc1ef83417911deba024e7e2

  • C:\Users\Admin\AppData\Local\00e31655\tor\data\cached-microdescs.new

    Filesize

    20.2MB

    MD5

    1213e1a6a780e079ea59592ef93717bb

    SHA1

    27c8cd1dbd9155518ccdbd1a76dc9be0ac06a94c

    SHA256

    28c44f4ce7650336e7221cafad42368009584200669585e0f0cdf7ef4495aa87

    SHA512

    80204264531d65e6886a5e72cf977f9dceaf845613ba57441993b7c4ade073a99e3602e5836fb433176f6c9829659a5f32b008e8d07655fdf28a9e984b292208

  • C:\Users\Admin\AppData\Local\00e31655\tor\data\cached-microdescs.new

    Filesize

    9.2MB

    MD5

    9c278a67c07d48ebe883647d679466df

    SHA1

    4f1dfefc493a1ec657d3571ac36e8725dd3a8971

    SHA256

    e0cd0be388de5aa23d0342c9d7259840e24158de6757e3215fd9861927fe1bb1

    SHA512

    daf2d4c67e50f5767341957b947a7fec029e7eabb427360ce1f19184aa0b70630f98f1c680ba8cdc2f2967a97224f98a540ba8b1fd3b62dc03065ced8fc4aaa8

  • C:\Users\Admin\AppData\Local\00e31655\tor\data\state

    Filesize

    232B

    MD5

    574c26d8f95f8ab54ee0b2f5417a1d27

    SHA1

    8fa116bf8108b5ff8b7c4a61d2c75e51837268f8

    SHA256

    9c4fd5a67d2dcca09b5771c0723851ccad5efa8f8e8d14c799a18e44b35e53e4

    SHA512

    fb90b984a62346578d2dc6d4243dab0dfee6509ff0beaf1667f507b38149f314d15a8b2a85d4ddd3d54249eb64078d4738437dac325f773127ad808294d9982a

  • C:\Users\Admin\AppData\Local\00e31655\tor\data\state

    Filesize

    5KB

    MD5

    e5c0f32a6eb6c8b775867971c7d5617e

    SHA1

    927c9050c290f04e915b4bd7d07154cc37e55aaa

    SHA256

    e288597fad3a8aaf0d20672fa7c5cf266f7de801447a7b504e11d550239552a8

    SHA512

    07858407d82ccd39408574f47abafefbc241a345ebc7c799d7108c44c3c9cd4a0ebd244d5da56c88111d43e4c43bce7f4701a41ba8367634d743ef076df78477

  • C:\Users\Admin\AppData\Local\00e31655\tor\data\state

    Filesize

    3KB

    MD5

    7d21d766a69be4f85a91ef0169b53f94

    SHA1

    944b1e6b2880bb5813ed652fc5d839d283aa8138

    SHA256

    723b9cf9a1243786cf1352a52716b3b776a1c237cd4c5d23d65a79e731d6bb0c

    SHA512

    91027843f49784a639ca6784ab2765c8ee66a749fc6f25988ef7716febd593725e169421d7450ccc3471d0a7c164bcf57775d26fcbdd598e8901fc611be8b7ed

  • C:\Users\Admin\AppData\Local\00e31655\tor\data\state

    Filesize

    8KB

    MD5

    f32aefc8218f80918573bfccf15498d1

    SHA1

    9c5cf37407410ddde4954883bd8d41ed3209d446

    SHA256

    9e1ab0c303acd1cea265805088b020488091920e2fd69c171e4c8d1143f396a3

    SHA512

    8bb4e982c5ef83f67b2705a195048797a5c1d6bcc71b01acabc3ed4553070179b5a2ef43f1dc207602b3b8c8e15dd68a3830c161f7bcaebfa6c8d724fd90ea00

  • C:\Users\Admin\AppData\Local\00e31655\tor\libcrypto-1_1.dll

    Filesize

    1.7MB

    MD5

    2384a02c4a1f7ec481adde3a020607d3

    SHA1

    7e848d35a10bf9296c8fa41956a3daa777f86365

    SHA256

    c8db0ff0f7047ed91b057005e86ad3a23eae616253313aa047c560d9eb398369

    SHA512

    1ac74dd2d863acd7415ef8b9490a5342865462fbabdad0645da22424b0d56f5e9c389a3d7c41386f2414d6c4715c79a6ddecb6e6cff29e98319e1fd1060f4503

  • C:\Users\Admin\AppData\Local\00e31655\tor\libevent-2-1-6.dll

    Filesize

    366KB

    MD5

    099983c13bade9554a3c17484e5481f1

    SHA1

    a84e69ad9722f999252d59d0ed9a99901a60e564

    SHA256

    b65f9aa0c7912af64bd9b05e9322e994339a11b0c8907e6a6166d7b814bda838

    SHA512

    89f1a963de77873296395662d4150e3eff7a2d297fb9ec54ec06aa2e40d41e5f4fc4611e9bc34126d760c9134f2907fea3bebdf2fbbd7eaddad99f8e4be1f5e2

  • C:\Users\Admin\AppData\Local\00e31655\tor\libgcc_s_sjlj-1.dll

    Filesize

    286KB

    MD5

    b0d98f7157d972190fe0759d4368d320

    SHA1

    5715a533621a2b642aad9616e603c6907d80efc4

    SHA256

    2922193133dabab5b82088d4e87484e2fac75e9e0c765dacaf22eb5f4f18b0c5

    SHA512

    41ce56c428158533bf8b8ffe0a71875b5a3abc549b88d7d3e69acc6080653abea344d6d66fff39c04bf019fcaa295768d620377d85a933ddaf17f3d90df29496

  • C:\Users\Admin\AppData\Local\00e31655\tor\libssl-1_1.dll

    Filesize

    439KB

    MD5

    c88826ac4bb879622e43ead5bdb95aeb

    SHA1

    87d29853649a86f0463bfd9ad887b85eedc21723

    SHA256

    c4d898b1a4285a45153af9ed88d79aa2a073dcb7225961b6b276b532b4d18b6f

    SHA512

    f733041ef35b9b8058fbcf98faa0d1fea5c0858fea941ecebbe9f083cd73e3e66323afffd8d734097fcdd5e6e59db4d94f51fca5874edbcd2a382d9ba6cd97b3

  • C:\Users\Admin\AppData\Local\00e31655\tor\libssp-0.dll

    Filesize

    88KB

    MD5

    2c916456f503075f746c6ea649cf9539

    SHA1

    fa1afc1f3d728c89b2e90e14ca7d88b599580a9d

    SHA256

    cbb5236d923d4f4baf2f0d2797c72a2cbae42ef7ac0acce786daf5fdc5b456e6

    SHA512

    1c1995e1aa7c33c597c64122395275861d9219e46d45277d4f1768a2e06227b353d5d77d6b7cb655082dc6fb9736ad6f7cfcc0c90e02776e27d50857e792e3fd

  • C:\Users\Admin\AppData\Local\00e31655\tor\libwinpthread-1.dll

    Filesize

    188KB

    MD5

    d407cc6d79a08039a6f4b50539e560b8

    SHA1

    21171adbc176dc19aaa5e595cd2cd4bd1dfd0c71

    SHA256

    92cfd0277c8781a15a0f17b7aee6cff69631b9606a001101631f04b3381efc4e

    SHA512

    378a10fed915591445d97c6d04e82d28008d8ea65e0e40c142b8ee59867035d561d4e103495c8f0d9c19b51597706ce0b450c25516aa0f1744579ffcd097ae0c

  • C:\Users\Admin\AppData\Local\00e31655\tor\torrc

    Filesize

    157B

    MD5

    f7f5ed03553f99d16dde40c6161a8d3c

    SHA1

    9a985a5f5d976c28790945ea1d0e8fe3f8af98d8

    SHA256

    3142e667dd2251755b91092cf15f90c64a1551f725d7a6f07abd0b083a6e6397

    SHA512

    72ac83d07d5081154fbee25f5ce815a2d8de18e265cc00434eaa5537fc97e7c3801001d85d7cd8e838f246cefa61c6fe8b9fd29b3368d639c7b6fc6df43e4e76

  • C:\Users\Admin\AppData\Local\00e31655\tor\zlib1.dll

    Filesize

    52KB

    MD5

    add33041af894b67fe34e1dc819b7eb6

    SHA1

    6db46eb021855a587c95479422adcc774a272eeb

    SHA256

    8688bd7ca55dcc0c23c429762776a0a43fe5b0332dfd5b79ef74e55d4bbc1183

    SHA512

    bafc441198d03f0e7fe804bab89283c389d38884d0f87d81b11950a9b79fcbf7b32be4bb16f4fcd9179b66f865c563c172a46b4514a6087ef0af64425a4b2cfa

  • memory/660-189-0x0000000073640000-0x000000007390F000-memory.dmp

    Filesize

    2.8MB

  • memory/660-158-0x0000000073540000-0x0000000073564000-memory.dmp

    Filesize

    144KB

  • memory/660-163-0x00000000734B0000-0x0000000073538000-memory.dmp

    Filesize

    544KB

  • memory/660-159-0x00000000733A0000-0x00000000734AA000-memory.dmp

    Filesize

    1.0MB

  • memory/660-153-0x0000000073640000-0x000000007390F000-memory.dmp

    Filesize

    2.8MB

  • memory/660-157-0x0000000073910000-0x0000000073959000-memory.dmp

    Filesize

    292KB

  • memory/660-156-0x0000000073570000-0x000000007363E000-memory.dmp

    Filesize

    824KB

  • memory/660-155-0x0000000073960000-0x0000000073A28000-memory.dmp

    Filesize

    800KB

  • memory/660-152-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/660-225-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/660-191-0x0000000073570000-0x000000007363E000-memory.dmp

    Filesize

    824KB

  • memory/660-190-0x0000000073960000-0x0000000073A28000-memory.dmp

    Filesize

    800KB

  • memory/660-188-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/1004-264-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/1004-265-0x0000000073640000-0x000000007390F000-memory.dmp

    Filesize

    2.8MB

  • memory/1004-244-0x00000000734B0000-0x0000000073538000-memory.dmp

    Filesize

    544KB

  • memory/1004-242-0x0000000073540000-0x0000000073564000-memory.dmp

    Filesize

    144KB

  • memory/1004-235-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/1004-243-0x00000000733A0000-0x00000000734AA000-memory.dmp

    Filesize

    1.0MB

  • memory/1004-239-0x0000000073960000-0x0000000073A28000-memory.dmp

    Filesize

    800KB

  • memory/1004-240-0x0000000073570000-0x000000007363E000-memory.dmp

    Filesize

    824KB

  • memory/1004-236-0x0000000073640000-0x000000007390F000-memory.dmp

    Filesize

    2.8MB

  • memory/1004-241-0x0000000073910000-0x0000000073959000-memory.dmp

    Filesize

    292KB

  • memory/1004-313-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/1272-52-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/1272-38-0x0000000073570000-0x000000007363E000-memory.dmp

    Filesize

    824KB

  • memory/1272-127-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/1272-31-0x0000000073910000-0x0000000073959000-memory.dmp

    Filesize

    292KB

  • memory/1272-119-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/1272-111-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/1272-103-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/1272-154-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/1272-94-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/1272-69-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/1272-53-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/1272-20-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/1272-46-0x0000000073910000-0x0000000073959000-memory.dmp

    Filesize

    292KB

  • memory/1272-44-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/1272-37-0x0000000073640000-0x000000007390F000-memory.dmp

    Filesize

    2.8MB

  • memory/1272-39-0x0000000073540000-0x0000000073564000-memory.dmp

    Filesize

    144KB

  • memory/1272-41-0x0000000073960000-0x0000000073A28000-memory.dmp

    Filesize

    800KB

  • memory/1272-42-0x00000000734B0000-0x0000000073538000-memory.dmp

    Filesize

    544KB

  • memory/1272-40-0x00000000733A0000-0x00000000734AA000-memory.dmp

    Filesize

    1.0MB

  • memory/1488-316-0x0000000073640000-0x000000007390F000-memory.dmp

    Filesize

    2.8MB

  • memory/1488-344-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/1488-347-0x0000000073570000-0x000000007363E000-memory.dmp

    Filesize

    824KB

  • memory/1488-346-0x0000000073960000-0x0000000073A28000-memory.dmp

    Filesize

    800KB

  • memory/1488-345-0x0000000073640000-0x000000007390F000-memory.dmp

    Filesize

    2.8MB

  • memory/1488-383-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/1488-323-0x00000000733A0000-0x00000000734AA000-memory.dmp

    Filesize

    1.0MB

  • memory/1488-317-0x0000000073960000-0x0000000073A28000-memory.dmp

    Filesize

    800KB

  • memory/1488-324-0x00000000734B0000-0x0000000073538000-memory.dmp

    Filesize

    544KB

  • memory/1488-320-0x0000000073570000-0x000000007363E000-memory.dmp

    Filesize

    824KB

  • memory/1488-322-0x0000000073540000-0x0000000073564000-memory.dmp

    Filesize

    144KB

  • memory/1488-321-0x0000000073910000-0x0000000073959000-memory.dmp

    Filesize

    292KB

  • memory/1488-315-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/1964-398-0x0000000073640000-0x000000007390F000-memory.dmp

    Filesize

    2.8MB

  • memory/1964-399-0x0000000073960000-0x0000000073A28000-memory.dmp

    Filesize

    800KB

  • memory/1964-396-0x0000000000150000-0x0000000000554000-memory.dmp

    Filesize

    4.0MB

  • memory/1964-401-0x0000000073540000-0x0000000073564000-memory.dmp

    Filesize

    144KB

  • memory/1964-402-0x00000000733A0000-0x00000000734AA000-memory.dmp

    Filesize

    1.0MB

  • memory/1964-400-0x0000000073910000-0x0000000073959000-memory.dmp

    Filesize

    292KB

  • memory/1964-403-0x00000000734B0000-0x0000000073538000-memory.dmp

    Filesize

    544KB

  • memory/1964-397-0x0000000073570000-0x000000007363E000-memory.dmp

    Filesize

    824KB

  • memory/3856-343-0x0000000072FB0000-0x0000000072FEC000-memory.dmp

    Filesize

    240KB

  • memory/3856-1-0x0000000074400000-0x000000007443C000-memory.dmp

    Filesize

    240KB

  • memory/3856-348-0x00000000743E0000-0x000000007441C000-memory.dmp

    Filesize

    240KB

  • memory/3856-43-0x0000000073060000-0x000000007309C000-memory.dmp

    Filesize

    240KB

  • memory/3856-187-0x0000000072FB0000-0x0000000072FEC000-memory.dmp

    Filesize

    240KB

  • memory/3856-102-0x00000000743E0000-0x000000007441C000-memory.dmp

    Filesize

    240KB

  • memory/3856-0-0x0000000000400000-0x0000000000BDB000-memory.dmp

    Filesize

    7.9MB

  • memory/3856-284-0x0000000073060000-0x000000007309C000-memory.dmp

    Filesize

    240KB

  • memory/3856-275-0x0000000074400000-0x000000007443C000-memory.dmp

    Filesize

    240KB

  • memory/3856-266-0x0000000072FB0000-0x0000000072FEC000-memory.dmp

    Filesize

    240KB