Resubmissions

10-04-2024 11:59

240410-n5sxrsaa2t 10

10-04-2024 11:59

240410-n5sl1aeg92 10

10-04-2024 11:59

240410-n5r1gaeg89 10

10-04-2024 11:59

240410-n5rdyaeg87 10

15-02-2024 02:33

240215-c16ghsfc23 10

Analysis

  • max time kernel
    597s
  • max time network
    451s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-04-2024 11:59

General

  • Target

    9cba67b5a3086744c0d4f831079b319b.exe

  • Size

    5.1MB

  • MD5

    9cba67b5a3086744c0d4f831079b319b

  • SHA1

    9db9ea7ad37fb54ada8486ce1bb5a4dab489186e

  • SHA256

    28323ee7a1adaee55fe254d8a6fad742294a4e7e0ad89589707da2a1a9e32486

  • SHA512

    57cdd4cc35e8148cfed304cce7af9d43df50acc5fe2ec3a85c72723ba18e6153f16031ced478273292dabd95005da4a145656285e932d85569333f9dc740b649

  • SSDEEP

    98304:NVJppwXSyo8skn3moI25UzSOVRBKrCqflZ+VJscvKgFl8jCP:7pOwu2t26uqRsnf2VXvD6jC

Malware Config

Extracted

Family

bitrat

Version

1.35

C2

4napo6g3cp6av4hmxmwzi5lyojpfk3i2kl2tpssb2wvidqsa3kzo6eyd.onion:80

Attributes
  • communication_password

    e10adc3949ba59abbe56e057f20f883e

  • tor_process

    windows32file

Signatures

  • BitRAT

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 7 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 33 IoCs
  • UPX packed file 58 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9cba67b5a3086744c0d4f831079b319b.exe
    "C:\Users\Admin\AppData\Local\Temp\9cba67b5a3086744c0d4f831079b319b.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_Hvpysyhfnmjvko.vbs"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2448
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath C:\,'C:\Users\Admin\AppData\Roaming\chrome\google\chrome.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2556
    • C:\Users\Admin\AppData\Local\Temp\9cba67b5a3086744c0d4f831079b319b.exe
      C:\Users\Admin\AppData\Local\Temp\9cba67b5a3086744c0d4f831079b319b.exe
      2⤵
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2608
      • C:\Users\Admin\AppData\Local\c3b89bbf\tor\windows32file.exe
        "C:\Users\Admin\AppData\Local\c3b89bbf\tor\windows32file.exe" -f torrc
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1932
      • C:\Users\Admin\AppData\Local\c3b89bbf\tor\windows32file.exe
        "C:\Users\Admin\AppData\Local\c3b89bbf\tor\windows32file.exe" -f torrc
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1012
      • C:\Users\Admin\AppData\Local\c3b89bbf\tor\windows32file.exe
        "C:\Users\Admin\AppData\Local\c3b89bbf\tor\windows32file.exe" -f torrc
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1696
      • C:\Users\Admin\AppData\Local\c3b89bbf\tor\windows32file.exe
        "C:\Users\Admin\AppData\Local\c3b89bbf\tor\windows32file.exe" -f torrc
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\_Hvpysyhfnmjvko.vbs

    Filesize

    150B

    MD5

    ed6d432bdbf28ed6ac0cf59692f5e0fe

    SHA1

    29b388b1b2cf5d2fea4d80088093ec6ea2575ca7

    SHA256

    452fac0c3baa72fa34a9089c390659b7438da3bc0e3e36a2e54de253492d61fe

    SHA512

    9879be1e14bc9b16a4743baf730261e474b3916fe84ea95d3b58ef57d924ec573434fc2530860ef74786e69d0480552b15049a276d88cf769a26b94a9c73446e

  • C:\Users\Admin\AppData\Local\c3b89bbf\tor\data\cached-certs

    Filesize

    13KB

    MD5

    89f67154d01b276dfdb1a2f2f2681d84

    SHA1

    7da79caf8a35d3eee8ee20730119479350ddfbf0

    SHA256

    090447a13260e60789fc803deab9d8aa985338c5c921399145fe9059314b3120

    SHA512

    cd75ecf325ea6f93ceece3e7c253d9b41ed796d91125e4def646164314c5cf56214772291a7cb2f89d1c185e11800d2028a2bda673f03e3d42e95c69e05ba81b

  • C:\Users\Admin\AppData\Local\c3b89bbf\tor\data\cached-microdesc-consensus.tmp

    Filesize

    2.7MB

    MD5

    381cc5ba2ce158b71214b0d01a0b1a5c

    SHA1

    d7c546b983b31d2785f46e3b097992f96445074d

    SHA256

    ad8060faee1771ee0547d651d4cceee52263e534b0cf84efa75f6c0bab1187ec

    SHA512

    8fc885b883e058bb907a3eb8d2a88bfa6729d114f926db80c15af03aa01f2e8833727c80e77903a730c7721f9e3730e6a95cd4d938c7da24c0848ff34691f8b4

  • C:\Users\Admin\AppData\Local\c3b89bbf\tor\data\cached-microdescs.new

    Filesize

    8.8MB

    MD5

    d512584c7d1008047822bcde861ac3e7

    SHA1

    30ef89088e2ced7645fdc29e289b1306eca6a27c

    SHA256

    bcdbc0d87e0857ae7f7ec81e2f8865d598d6f8b32e6dab3906cc591f4ed644cf

    SHA512

    ffc34e79f7257da8e76888b84094083090c6a13b20c653e4ee3776d6187896f7a2954641f3a240420464407057ceba3db8da13eb889c970610e7e21b88458311

  • C:\Users\Admin\AppData\Local\c3b89bbf\tor\data\state

    Filesize

    232B

    MD5

    fe9213ebd0c556bfa4f6c6bd925736ef

    SHA1

    283dafe0b3ff1f63a32f62a6b3d8806fd6a069e6

    SHA256

    1450d57b0e1697e406ea855779768386ded172574886c33ceed3df782b54f5af

    SHA512

    c56cc05847a2e4450d8f9deb4ca9273b6278081f4d1091d7a443738fe7165203948ceee0b8a363fb80904cf573e481122114c3146c97f7fe280109e30fc15033

  • C:\Users\Admin\AppData\Local\c3b89bbf\tor\torrc

    Filesize

    157B

    MD5

    10e4369f9761d5401203f24a43aec777

    SHA1

    f6237d60d66f0bdc642836387c2e9adaf60114d2

    SHA256

    1936b09146613154cc18a4889276cb2de96a5fd24a2c86d34a778be90f965976

    SHA512

    7159148f7584cd188d7f030ac1be482ebad86cba6e964fdf2d6e673823027ebbb049ad9fdac15ed556976760953216a999c5145a0816d67072ed232bdc9e4abb

  • C:\Users\Admin\AppData\Local\c3b89bbf\tor\windows32file.exe

    Filesize

    973KB

    MD5

    5cfe61ff895c7daa889708665ef05d7b

    SHA1

    5e58efe30406243fbd58d4968b0492ddeef145f2

    SHA256

    f9c1d18b50ce7484bf212cb61a9035602cfb90ebdfe66a077b9f6df73196a9f5

    SHA512

    43b6f10391a863a21f70e05cee41900729c7543750e118ff5d74c0cac3d1383f10bcb73eade2a28b555a393cada4795e204246129b01ad9177d1167827dd68da

  • \Users\Admin\AppData\Local\c3b89bbf\tor\libcrypto-1_1.dll

    Filesize

    1.7MB

    MD5

    2384a02c4a1f7ec481adde3a020607d3

    SHA1

    7e848d35a10bf9296c8fa41956a3daa777f86365

    SHA256

    c8db0ff0f7047ed91b057005e86ad3a23eae616253313aa047c560d9eb398369

    SHA512

    1ac74dd2d863acd7415ef8b9490a5342865462fbabdad0645da22424b0d56f5e9c389a3d7c41386f2414d6c4715c79a6ddecb6e6cff29e98319e1fd1060f4503

  • \Users\Admin\AppData\Local\c3b89bbf\tor\libevent-2-1-6.dll

    Filesize

    366KB

    MD5

    099983c13bade9554a3c17484e5481f1

    SHA1

    a84e69ad9722f999252d59d0ed9a99901a60e564

    SHA256

    b65f9aa0c7912af64bd9b05e9322e994339a11b0c8907e6a6166d7b814bda838

    SHA512

    89f1a963de77873296395662d4150e3eff7a2d297fb9ec54ec06aa2e40d41e5f4fc4611e9bc34126d760c9134f2907fea3bebdf2fbbd7eaddad99f8e4be1f5e2

  • \Users\Admin\AppData\Local\c3b89bbf\tor\libgcc_s_sjlj-1.dll

    Filesize

    286KB

    MD5

    b0d98f7157d972190fe0759d4368d320

    SHA1

    5715a533621a2b642aad9616e603c6907d80efc4

    SHA256

    2922193133dabab5b82088d4e87484e2fac75e9e0c765dacaf22eb5f4f18b0c5

    SHA512

    41ce56c428158533bf8b8ffe0a71875b5a3abc549b88d7d3e69acc6080653abea344d6d66fff39c04bf019fcaa295768d620377d85a933ddaf17f3d90df29496

  • \Users\Admin\AppData\Local\c3b89bbf\tor\libssl-1_1.dll

    Filesize

    439KB

    MD5

    c88826ac4bb879622e43ead5bdb95aeb

    SHA1

    87d29853649a86f0463bfd9ad887b85eedc21723

    SHA256

    c4d898b1a4285a45153af9ed88d79aa2a073dcb7225961b6b276b532b4d18b6f

    SHA512

    f733041ef35b9b8058fbcf98faa0d1fea5c0858fea941ecebbe9f083cd73e3e66323afffd8d734097fcdd5e6e59db4d94f51fca5874edbcd2a382d9ba6cd97b3

  • \Users\Admin\AppData\Local\c3b89bbf\tor\libssp-0.dll

    Filesize

    88KB

    MD5

    2c916456f503075f746c6ea649cf9539

    SHA1

    fa1afc1f3d728c89b2e90e14ca7d88b599580a9d

    SHA256

    cbb5236d923d4f4baf2f0d2797c72a2cbae42ef7ac0acce786daf5fdc5b456e6

    SHA512

    1c1995e1aa7c33c597c64122395275861d9219e46d45277d4f1768a2e06227b353d5d77d6b7cb655082dc6fb9736ad6f7cfcc0c90e02776e27d50857e792e3fd

  • \Users\Admin\AppData\Local\c3b89bbf\tor\libwinpthread-1.dll

    Filesize

    188KB

    MD5

    d407cc6d79a08039a6f4b50539e560b8

    SHA1

    21171adbc176dc19aaa5e595cd2cd4bd1dfd0c71

    SHA256

    92cfd0277c8781a15a0f17b7aee6cff69631b9606a001101631f04b3381efc4e

    SHA512

    378a10fed915591445d97c6d04e82d28008d8ea65e0e40c142b8ee59867035d561d4e103495c8f0d9c19b51597706ce0b450c25516aa0f1744579ffcd097ae0c

  • \Users\Admin\AppData\Local\c3b89bbf\tor\zlib1.dll

    Filesize

    52KB

    MD5

    add33041af894b67fe34e1dc819b7eb6

    SHA1

    6db46eb021855a587c95479422adcc774a272eeb

    SHA256

    8688bd7ca55dcc0c23c429762776a0a43fe5b0332dfd5b79ef74e55d4bbc1183

    SHA512

    bafc441198d03f0e7fe804bab89283c389d38884d0f87d81b11950a9b79fcbf7b32be4bb16f4fcd9179b66f865c563c172a46b4514a6087ef0af64425a4b2cfa

  • memory/1012-172-0x0000000074000000-0x00000000740CE000-memory.dmp

    Filesize

    824KB

  • memory/1012-168-0x0000000074160000-0x000000007426A000-memory.dmp

    Filesize

    1.0MB

  • memory/1012-163-0x0000000074390000-0x000000007465F000-memory.dmp

    Filesize

    2.8MB

  • memory/1012-164-0x0000000074340000-0x0000000074389000-memory.dmp

    Filesize

    292KB

  • memory/1012-166-0x0000000074270000-0x0000000074338000-memory.dmp

    Filesize

    800KB

  • memory/1012-170-0x00000000740D0000-0x0000000074158000-memory.dmp

    Filesize

    544KB

  • memory/1012-181-0x0000000074390000-0x000000007465F000-memory.dmp

    Filesize

    2.8MB

  • memory/1012-184-0x0000000074160000-0x000000007426A000-memory.dmp

    Filesize

    1.0MB

  • memory/1012-183-0x0000000074270000-0x0000000074338000-memory.dmp

    Filesize

    800KB

  • memory/1012-182-0x0000000074340000-0x0000000074389000-memory.dmp

    Filesize

    292KB

  • memory/1012-174-0x0000000074680000-0x00000000746A4000-memory.dmp

    Filesize

    144KB

  • memory/1012-176-0x0000000000840000-0x0000000000C44000-memory.dmp

    Filesize

    4.0MB

  • memory/1696-279-0x0000000000B50000-0x0000000000F54000-memory.dmp

    Filesize

    4.0MB

  • memory/1696-228-0x0000000074430000-0x000000007453A000-memory.dmp

    Filesize

    1.0MB

  • memory/1696-230-0x0000000073FF0000-0x00000000740BE000-memory.dmp

    Filesize

    824KB

  • memory/1696-231-0x0000000073FC0000-0x0000000073FE4000-memory.dmp

    Filesize

    144KB

  • memory/1696-227-0x0000000074540000-0x0000000074608000-memory.dmp

    Filesize

    800KB

  • memory/1696-233-0x0000000000B50000-0x0000000000F54000-memory.dmp

    Filesize

    4.0MB

  • memory/1696-256-0x00000000740C0000-0x000000007438F000-memory.dmp

    Filesize

    2.8MB

  • memory/1696-222-0x0000000074610000-0x0000000074659000-memory.dmp

    Filesize

    292KB

  • memory/1696-229-0x00000000743A0000-0x0000000074428000-memory.dmp

    Filesize

    544KB

  • memory/1696-221-0x00000000740C0000-0x000000007438F000-memory.dmp

    Filesize

    2.8MB

  • memory/1932-136-0x0000000000840000-0x0000000000C44000-memory.dmp

    Filesize

    4.0MB

  • memory/1932-80-0x00000000740D0000-0x0000000074158000-memory.dmp

    Filesize

    544KB

  • memory/1932-86-0x0000000074270000-0x0000000074338000-memory.dmp

    Filesize

    800KB

  • memory/1932-81-0x0000000074000000-0x00000000740CE000-memory.dmp

    Filesize

    824KB

  • memory/1932-120-0x0000000000840000-0x0000000000C44000-memory.dmp

    Filesize

    4.0MB

  • memory/1932-103-0x0000000000840000-0x0000000000C44000-memory.dmp

    Filesize

    4.0MB

  • memory/1932-104-0x0000000074390000-0x000000007465F000-memory.dmp

    Filesize

    2.8MB

  • memory/1932-67-0x0000000000840000-0x0000000000C44000-memory.dmp

    Filesize

    4.0MB

  • memory/1932-107-0x0000000074160000-0x000000007426A000-memory.dmp

    Filesize

    1.0MB

  • memory/1932-118-0x0000000000840000-0x0000000000C44000-memory.dmp

    Filesize

    4.0MB

  • memory/1932-75-0x0000000074390000-0x000000007465F000-memory.dmp

    Filesize

    2.8MB

  • memory/1932-109-0x0000000074000000-0x00000000740CE000-memory.dmp

    Filesize

    824KB

  • memory/1932-79-0x0000000074160000-0x000000007426A000-memory.dmp

    Filesize

    1.0MB

  • memory/1932-83-0x0000000074680000-0x00000000746A4000-memory.dmp

    Filesize

    144KB

  • memory/1932-68-0x0000000074340000-0x0000000074389000-memory.dmp

    Filesize

    292KB

  • memory/1932-105-0x0000000074340000-0x0000000074389000-memory.dmp

    Filesize

    292KB

  • memory/1932-145-0x0000000000840000-0x0000000000C44000-memory.dmp

    Filesize

    4.0MB

  • memory/1932-128-0x0000000000840000-0x0000000000C44000-memory.dmp

    Filesize

    4.0MB

  • memory/2096-34-0x0000000074460000-0x0000000074B4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2096-1-0x0000000074460000-0x0000000074B4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2096-2-0x0000000004B40000-0x0000000004B80000-memory.dmp

    Filesize

    256KB

  • memory/2096-3-0x0000000000600000-0x000000000060A000-memory.dmp

    Filesize

    40KB

  • memory/2096-4-0x00000000007C0000-0x00000000007DE000-memory.dmp

    Filesize

    120KB

  • memory/2096-5-0x0000000074460000-0x0000000074B4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2096-0-0x0000000000DE0000-0x0000000001300000-memory.dmp

    Filesize

    5.1MB

  • memory/2096-6-0x0000000004B40000-0x0000000004B80000-memory.dmp

    Filesize

    256KB

  • memory/2556-37-0x0000000070BD0000-0x000000007117B000-memory.dmp

    Filesize

    5.7MB

  • memory/2556-41-0x0000000070BD0000-0x000000007117B000-memory.dmp

    Filesize

    5.7MB

  • memory/2556-33-0x0000000070BD0000-0x000000007117B000-memory.dmp

    Filesize

    5.7MB

  • memory/2556-35-0x0000000002DA0000-0x0000000002DE0000-memory.dmp

    Filesize

    256KB

  • memory/2556-39-0x0000000002DA0000-0x0000000002DE0000-memory.dmp

    Filesize

    256KB

  • memory/2556-38-0x0000000002DA0000-0x0000000002DE0000-memory.dmp

    Filesize

    256KB

  • memory/2608-60-0x0000000004780000-0x0000000004B84000-memory.dmp

    Filesize

    4.0MB

  • memory/2608-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2608-98-0x0000000000400000-0x0000000000BD8000-memory.dmp

    Filesize

    7.8MB

  • memory/2608-96-0x0000000000400000-0x0000000000BD8000-memory.dmp

    Filesize

    7.8MB

  • memory/2608-95-0x0000000000400000-0x0000000000BD8000-memory.dmp

    Filesize

    7.8MB

  • memory/2608-119-0x0000000004780000-0x0000000004B84000-memory.dmp

    Filesize

    4.0MB

  • memory/2608-62-0x0000000004780000-0x0000000004B84000-memory.dmp

    Filesize

    4.0MB

  • memory/2608-42-0x0000000000400000-0x0000000000BD8000-memory.dmp

    Filesize

    7.8MB

  • memory/2608-153-0x0000000005860000-0x0000000005C64000-memory.dmp

    Filesize

    4.0MB

  • memory/2608-100-0x0000000000400000-0x0000000000BD8000-memory.dmp

    Filesize

    7.8MB

  • memory/2608-97-0x0000000000400000-0x0000000000BD8000-memory.dmp

    Filesize

    7.8MB

  • memory/2608-40-0x0000000000400000-0x0000000000BD8000-memory.dmp

    Filesize

    7.8MB

  • memory/2608-36-0x0000000000400000-0x0000000000BD8000-memory.dmp

    Filesize

    7.8MB

  • memory/2608-211-0x0000000005860000-0x0000000005C64000-memory.dmp

    Filesize

    4.0MB

  • memory/2608-101-0x0000000000400000-0x0000000000BD8000-memory.dmp

    Filesize

    7.8MB

  • memory/2608-115-0x0000000004780000-0x0000000004B84000-memory.dmp

    Filesize

    4.0MB

  • memory/2608-31-0x0000000000400000-0x0000000000BD8000-memory.dmp

    Filesize

    7.8MB

  • memory/2608-99-0x0000000000400000-0x0000000000BD8000-memory.dmp

    Filesize

    7.8MB

  • memory/2608-28-0x0000000000400000-0x0000000000BD8000-memory.dmp

    Filesize

    7.8MB

  • memory/2608-26-0x0000000000400000-0x0000000000BD8000-memory.dmp

    Filesize

    7.8MB

  • memory/2608-24-0x0000000000400000-0x0000000000BD8000-memory.dmp

    Filesize

    7.8MB

  • memory/2608-22-0x0000000000400000-0x0000000000BD8000-memory.dmp

    Filesize

    7.8MB

  • memory/2608-20-0x0000000000400000-0x0000000000BD8000-memory.dmp

    Filesize

    7.8MB

  • memory/2608-18-0x0000000000400000-0x0000000000BD8000-memory.dmp

    Filesize

    7.8MB

  • memory/2608-14-0x0000000000400000-0x0000000000BD8000-memory.dmp

    Filesize

    7.8MB

  • memory/2608-12-0x0000000000400000-0x0000000000BD8000-memory.dmp

    Filesize

    7.8MB

  • memory/2736-280-0x0000000000B50000-0x0000000000F54000-memory.dmp

    Filesize

    4.0MB

  • memory/2736-282-0x00000000740C0000-0x000000007438F000-memory.dmp

    Filesize

    2.8MB

  • memory/2736-284-0x0000000074610000-0x0000000074659000-memory.dmp

    Filesize

    292KB

  • memory/2736-286-0x0000000074540000-0x0000000074608000-memory.dmp

    Filesize

    800KB

  • memory/2736-288-0x0000000074430000-0x000000007453A000-memory.dmp

    Filesize

    1.0MB

  • memory/2736-290-0x00000000743A0000-0x0000000074428000-memory.dmp

    Filesize

    544KB

  • memory/2736-292-0x0000000073FF0000-0x00000000740BE000-memory.dmp

    Filesize

    824KB

  • memory/2736-294-0x0000000073FC0000-0x0000000073FE4000-memory.dmp

    Filesize

    144KB

  • memory/2736-296-0x0000000000B50000-0x0000000000F54000-memory.dmp

    Filesize

    4.0MB