Resubmissions

09-04-2024 13:11

240409-qe3emafg95 10

09-04-2024 13:11

240409-qe2s4afg94 10

09-04-2024 13:10

240409-qegg6aba8y 10

09-04-2024 13:10

240409-qefwmafg75 10

10-07-2021 10:36

210710-89hyhpsaw6 9

Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-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 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 7 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 9 IoCs
  • UPX packed file 32 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Looks up external IP address via web service 11 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 29 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⤵
    • 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:5084
    • 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:3772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    2.7MB

    MD5

    ffcd5cbca9867eee8d74446c60ea6736

    SHA1

    1a14d9829b9ec3b18adbdca0f87df2fd34938992

    SHA256

    2089eed082364ed1e52980737b55c54c434f42fdf5048077b63e0dc5ee8e69c3

    SHA512

    e11ed7aab2389008bb02ed33cffaeeab18799acc1ebdecc9a84edc190a55dda41aa5543cc5d7a784e966cb3ab93973fe81a1b94db89e3600fff9017db083b6fb

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

    Filesize

    12.2MB

    MD5

    a6bd4e59031199c0543cd428cf3b7b08

    SHA1

    46b6477cd49d292f91ff355bb2d029270e4f732b

    SHA256

    0faec8982c1f7c7865f2e0499252e9711c0531abd8dec128e7545e331cfaa36f

    SHA512

    6092f41df025a1e27e5589a4d2296887e2eba7a5510bde058da38780be89e9c36905428d3a67f40e6f0b5ffeeb872ae26364f68311359b9de426a36a93fa65e5

  • 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/3772-38-0x0000000073CE0000-0x0000000073D04000-memory.dmp

    Filesize

    144KB

  • memory/3772-50-0x0000000073EF0000-0x0000000073F39000-memory.dmp

    Filesize

    292KB

  • memory/3772-42-0x0000000073E20000-0x0000000073EEE000-memory.dmp

    Filesize

    824KB

  • memory/3772-39-0x0000000001DA0000-0x0000000001E28000-memory.dmp

    Filesize

    544KB

  • memory/3772-46-0x0000000001DA0000-0x000000000206F000-memory.dmp

    Filesize

    2.8MB

  • memory/3772-41-0x0000000073980000-0x0000000073C4F000-memory.dmp

    Filesize

    2.8MB

  • memory/3772-34-0x0000000073EF0000-0x0000000073F39000-memory.dmp

    Filesize

    292KB

  • memory/3772-33-0x0000000073F40000-0x0000000074008000-memory.dmp

    Filesize

    800KB

  • memory/3772-40-0x0000000073C50000-0x0000000073CD8000-memory.dmp

    Filesize

    544KB

  • memory/3772-37-0x0000000073D10000-0x0000000073E1A000-memory.dmp

    Filesize

    1.0MB

  • memory/3772-148-0x0000000000B10000-0x0000000000F14000-memory.dmp

    Filesize

    4.0MB

  • memory/3772-48-0x0000000000B10000-0x0000000000F14000-memory.dmp

    Filesize

    4.0MB

  • memory/3772-49-0x0000000073F40000-0x0000000074008000-memory.dmp

    Filesize

    800KB

  • memory/3772-101-0x0000000000B10000-0x0000000000F14000-memory.dmp

    Filesize

    4.0MB

  • memory/3772-51-0x0000000073E20000-0x0000000073EEE000-memory.dmp

    Filesize

    824KB

  • memory/3772-55-0x0000000073980000-0x0000000073C4F000-memory.dmp

    Filesize

    2.8MB

  • memory/3772-140-0x0000000000B10000-0x0000000000F14000-memory.dmp

    Filesize

    4.0MB

  • memory/3772-57-0x0000000000B10000-0x0000000000F14000-memory.dmp

    Filesize

    4.0MB

  • memory/3772-58-0x0000000000B10000-0x0000000000F14000-memory.dmp

    Filesize

    4.0MB

  • memory/3772-66-0x0000000001DA0000-0x0000000001E28000-memory.dmp

    Filesize

    544KB

  • memory/3772-67-0x0000000001DA0000-0x000000000206F000-memory.dmp

    Filesize

    2.8MB

  • memory/3772-68-0x0000000000B10000-0x0000000000F14000-memory.dmp

    Filesize

    4.0MB

  • memory/3772-128-0x0000000000B10000-0x0000000000F14000-memory.dmp

    Filesize

    4.0MB

  • memory/3772-19-0x0000000000B10000-0x0000000000F14000-memory.dmp

    Filesize

    4.0MB

  • memory/3772-112-0x0000000000B10000-0x0000000000F14000-memory.dmp

    Filesize

    4.0MB

  • memory/5084-0-0x0000000000400000-0x0000000000D54000-memory.dmp

    Filesize

    9.3MB

  • memory/5084-1-0x00000000749F0000-0x0000000074A2C000-memory.dmp

    Filesize

    240KB

  • memory/5084-76-0x0000000074940000-0x000000007497C000-memory.dmp

    Filesize

    240KB

  • memory/5084-136-0x0000000072A40000-0x0000000072A7C000-memory.dmp

    Filesize

    240KB

  • memory/5084-56-0x0000000000400000-0x0000000000D54000-memory.dmp

    Filesize

    9.3MB

  • memory/5084-47-0x0000000073650000-0x000000007368C000-memory.dmp

    Filesize

    240KB