Resubmissions

07-05-2024 12:28

240507-pnhadaac95 10

07-05-2024 12:28

240507-pnd8qaff8s 10

07-05-2024 12:28

240507-pnc1naff7z 10

07-05-2024 12:28

240507-pnbgtsac85 10

07-05-2024 12:28

240507-pnawasff7w 10

25-04-2024 13:10

240425-qegsxsba4s 10

Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07-05-2024 12:28

General

  • Target

    a4c959944542c7c2606d38cca52cfb4f37312144513089a7bafa533276872449.exe

  • Size

    7.8MB

  • MD5

    feb61ffde2dd829e738ea35dc8ee6208

  • SHA1

    659e17fe8390c0494e1363c2ebd11333638fd56e

  • SHA256

    a4c959944542c7c2606d38cca52cfb4f37312144513089a7bafa533276872449

  • SHA512

    609d2a7950643bea16e353d73157429f304cd1807808becb6fd2c5bbeeb07c6583a98f0e76b7e051390771502cabc7bbda4360f53388867ab863c6f564fbd959

  • SSDEEP

    196608:oIRcbH4jSteTGv1xwhzav1yo31CPwDv3uFZjeg2EeJUO9WLQkDxtw3iFFrS6XOf:odHsfu1xwZ6v1CPwDv3uFteg2EeJUO9E

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

n7dua2r7ev3r6fsisszycs7fvy4a36epnfje5s7lz5eiduoxetqg55ad.onion:1235

Attributes
  • communication_password

    99754106633f94d350db34d548d6091a

  • install_dir

    temp

  • install_file

    test1

  • tor_process

    test2

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 3 IoCs
  • Loads dropped DLL 22 IoCs
  • UPX packed file 51 IoCs

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

  • Adds Run key to start application 2 TTPs 1 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 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4c959944542c7c2606d38cca52cfb4f37312144513089a7bafa533276872449.exe
    "C:\Users\Admin\AppData\Local\Temp\a4c959944542c7c2606d38cca52cfb4f37312144513089a7bafa533276872449.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:4560
    • C:\Users\Admin\AppData\Local\d46500b0\tor\test2.exe
      "C:\Users\Admin\AppData\Local\d46500b0\tor\test2.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1484
    • C:\Users\Admin\AppData\Local\d46500b0\tor\test2.exe
      "C:\Users\Admin\AppData\Local\d46500b0\tor\test2.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3724
    • C:\Users\Admin\AppData\Local\d46500b0\tor\test2.exe
      "C:\Users\Admin\AppData\Local\d46500b0\tor\test2.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2132

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\d46500b0\tor\data\cached-certs
    Filesize

    20KB

    MD5

    26ace7611b0e251cbed0efab5c79db09

    SHA1

    dd145146ab0f820f15d5aa390f16191a39e2cdaf

    SHA256

    197b8355cce777e4d37d306c80a3de865034c9d7c18bfc29ed2b504723617be1

    SHA512

    18dc6e1e6c4cd8e2c1884f1c6abf7de6e49f9ad8a5f40822523789b159a264adb07404a3a7d80de3a71fdc0312aeed152211c19315b6103f76c0c5cf0765a83d

  • C:\Users\Admin\AppData\Local\d46500b0\tor\data\cached-microdesc-consensus
    Filesize

    2.4MB

    MD5

    0ce4530144899e61e7151afe7810919f

    SHA1

    f300561ff8bbd2b426926aced1e576bd2b91d001

    SHA256

    59f1410ba288f348e46546682bc8ae589accfdb2abc49b0b59fed35ed9de32e5

    SHA512

    595a94b645837f8627b703920cec6eda3e6103ae964c91c383679f00b712343b7f8d4656db6efdaceabe8c641cf45d6461ff77cc9fafa263880bc1a0763a83e6

  • C:\Users\Admin\AppData\Local\d46500b0\tor\data\cached-microdescs
    Filesize

    6.4MB

    MD5

    ad3b82f59cba57d2041f7ce9723f9560

    SHA1

    58316be683dbb0cdfa8e73f87289b1d50ae63d77

    SHA256

    1961aeb3cb30e2753609ab483d862c53f3565e3314a0761e2d5c9c3b9d425e83

    SHA512

    3a9aad2b0eeccabba0bc2d112d4b02e1fde3e0f176efe785ac20e21ccc179e03cad24fe8f86c20158c147fa29b66cb2d2819850509f2725f70ec32fb48c69149

  • C:\Users\Admin\AppData\Local\d46500b0\tor\data\cached-microdescs.new
    Filesize

    6.4MB

    MD5

    ca9baf607cc545d36c8d4870a941374a

    SHA1

    4f68e37abe6fc3141e5391e72d79b1d1f8e22252

    SHA256

    6159db332c13ff164022bc2f3f542064e697fae03bd8cd6d09ae6802550838eb

    SHA512

    b1f0dc7c86b8bf1b465c3d06e87f5eaa8be5445f5f01a91fff8cb28e6f4b851a5eb2e67a28fb1fa64472c1ff97f99ee4a8705c1ff055fb12c02898db701465c4

  • C:\Users\Admin\AppData\Local\d46500b0\tor\data\cached-microdescs.new
    Filesize

    6.3MB

    MD5

    c87e9f056033e3959da3d02f75620bef

    SHA1

    aec51d064c722002283356119816692572b89847

    SHA256

    1b7c6f082e7a10eaad7f4c8137c30b01dc72b7d0f5812e5cef12afa40cbbf7a1

    SHA512

    a2560dd44da0855a1b0c1c53d7434b41843a9c9cfb637fd7e8085203c2b233612f6c57661627cf8343b76b1b7ffc3bb7a4f82822df8bca044137fb9401b8236b

  • C:\Users\Admin\AppData\Local\d46500b0\tor\data\cached-microdescs.new
    Filesize

    11.3MB

    MD5

    b23d8a69b9fa74147bb1e8f038392da4

    SHA1

    4cd5543f17f8a202d906121c6940efce9ad04318

    SHA256

    94a63b62758f55ec54b2341273248cba6a205c32acd534fd3a80fcf6d4e05343

    SHA512

    deb972b5540132ba64a5aa7c3b4a9ac8971b81ffa8bdbd23197ad89dfedce695c6b302132ab9e1af484092686fe0f3d072d8079f044c82d6d8088121a09e748b

  • C:\Users\Admin\AppData\Local\d46500b0\tor\data\state
    Filesize

    232B

    MD5

    61766f4549436bd039844c9aab81a1f3

    SHA1

    a928ef9167c5b6d9fc079dd89d2d5c15b0ac06c0

    SHA256

    10b1311242be0fa7dc0a3f50aea370fa112569d8c29345af78e673baddef316b

    SHA512

    ff84c2366e16e05afe22fc5b915324d743f4cf638d01ac762757a6ff44258850d30a0158a149dcccda504461a9aed0dbc0b25017a685e3e6251afdc362fe2d6a

  • C:\Users\Admin\AppData\Local\d46500b0\tor\data\state
    Filesize

    3KB

    MD5

    00d80fc49b6f49c468f3770e7bd396ce

    SHA1

    dd882288fbb90c631f47518f291195704753f7da

    SHA256

    eefeb0c85422357a46a135c77a7fd6483e03a0c9085bc699acb3807b73803c57

    SHA512

    4f5cbfa0e764e481d56d8e4478dde3cd1e7fd61c5609c8595901025fc190147ee0f54bf2cac3ac4eb0a2e0ccc69dde5ee4e20061cbdcebd965f4766361c116d0

  • C:\Users\Admin\AppData\Local\d46500b0\tor\libcrypto-1_1.dll
    Filesize

    1.7MB

    MD5

    2384a02c4a1f7ec481adde3a020607d3

    SHA1

    7e848d35a10bf9296c8fa41956a3daa777f86365

    SHA256

    c8db0ff0f7047ed91b057005e86ad3a23eae616253313aa047c560d9eb398369

    SHA512

    1ac74dd2d863acd7415ef8b9490a5342865462fbabdad0645da22424b0d56f5e9c389a3d7c41386f2414d6c4715c79a6ddecb6e6cff29e98319e1fd1060f4503

  • C:\Users\Admin\AppData\Local\d46500b0\tor\libevent-2-1-6.dll
    Filesize

    366KB

    MD5

    099983c13bade9554a3c17484e5481f1

    SHA1

    a84e69ad9722f999252d59d0ed9a99901a60e564

    SHA256

    b65f9aa0c7912af64bd9b05e9322e994339a11b0c8907e6a6166d7b814bda838

    SHA512

    89f1a963de77873296395662d4150e3eff7a2d297fb9ec54ec06aa2e40d41e5f4fc4611e9bc34126d760c9134f2907fea3bebdf2fbbd7eaddad99f8e4be1f5e2

  • C:\Users\Admin\AppData\Local\d46500b0\tor\libgcc_s_sjlj-1.dll
    Filesize

    286KB

    MD5

    b0d98f7157d972190fe0759d4368d320

    SHA1

    5715a533621a2b642aad9616e603c6907d80efc4

    SHA256

    2922193133dabab5b82088d4e87484e2fac75e9e0c765dacaf22eb5f4f18b0c5

    SHA512

    41ce56c428158533bf8b8ffe0a71875b5a3abc549b88d7d3e69acc6080653abea344d6d66fff39c04bf019fcaa295768d620377d85a933ddaf17f3d90df29496

  • C:\Users\Admin\AppData\Local\d46500b0\tor\libssl-1_1.dll
    Filesize

    439KB

    MD5

    c88826ac4bb879622e43ead5bdb95aeb

    SHA1

    87d29853649a86f0463bfd9ad887b85eedc21723

    SHA256

    c4d898b1a4285a45153af9ed88d79aa2a073dcb7225961b6b276b532b4d18b6f

    SHA512

    f733041ef35b9b8058fbcf98faa0d1fea5c0858fea941ecebbe9f083cd73e3e66323afffd8d734097fcdd5e6e59db4d94f51fca5874edbcd2a382d9ba6cd97b3

  • C:\Users\Admin\AppData\Local\d46500b0\tor\libssp-0.dll
    Filesize

    88KB

    MD5

    2c916456f503075f746c6ea649cf9539

    SHA1

    fa1afc1f3d728c89b2e90e14ca7d88b599580a9d

    SHA256

    cbb5236d923d4f4baf2f0d2797c72a2cbae42ef7ac0acce786daf5fdc5b456e6

    SHA512

    1c1995e1aa7c33c597c64122395275861d9219e46d45277d4f1768a2e06227b353d5d77d6b7cb655082dc6fb9736ad6f7cfcc0c90e02776e27d50857e792e3fd

  • C:\Users\Admin\AppData\Local\d46500b0\tor\libwinpthread-1.dll
    Filesize

    188KB

    MD5

    d407cc6d79a08039a6f4b50539e560b8

    SHA1

    21171adbc176dc19aaa5e595cd2cd4bd1dfd0c71

    SHA256

    92cfd0277c8781a15a0f17b7aee6cff69631b9606a001101631f04b3381efc4e

    SHA512

    378a10fed915591445d97c6d04e82d28008d8ea65e0e40c142b8ee59867035d561d4e103495c8f0d9c19b51597706ce0b450c25516aa0f1744579ffcd097ae0c

  • C:\Users\Admin\AppData\Local\d46500b0\tor\test2.exe
    Filesize

    973KB

    MD5

    5cfe61ff895c7daa889708665ef05d7b

    SHA1

    5e58efe30406243fbd58d4968b0492ddeef145f2

    SHA256

    f9c1d18b50ce7484bf212cb61a9035602cfb90ebdfe66a077b9f6df73196a9f5

    SHA512

    43b6f10391a863a21f70e05cee41900729c7543750e118ff5d74c0cac3d1383f10bcb73eade2a28b555a393cada4795e204246129b01ad9177d1167827dd68da

  • C:\Users\Admin\AppData\Local\d46500b0\tor\torrc
    Filesize

    157B

    MD5

    439cd73927f46fde28540391feee8477

    SHA1

    ee7fb2aeb7708378abda293b03f5c9ffb6dbc742

    SHA256

    d1604e8bdb1a544638a97aa210b3e1eb12f1f159323d6b5942e03e11eafe9f75

    SHA512

    c11ad07964e190696f500468d52c61d8af5f075e7828ef00d525f06937f4205ca58eb3eabe5fd9cc8fa88c1d191de919429b6bbf3cdbb2dda6eed7d1b9ca7319

  • C:\Users\Admin\AppData\Local\d46500b0\tor\zlib1.dll
    Filesize

    52KB

    MD5

    add33041af894b67fe34e1dc819b7eb6

    SHA1

    6db46eb021855a587c95479422adcc774a272eeb

    SHA256

    8688bd7ca55dcc0c23c429762776a0a43fe5b0332dfd5b79ef74e55d4bbc1183

    SHA512

    bafc441198d03f0e7fe804bab89283c389d38884d0f87d81b11950a9b79fcbf7b32be4bb16f4fcd9179b66f865c563c172a46b4514a6087ef0af64425a4b2cfa

  • memory/1484-99-0x00000000007E0000-0x0000000000BE4000-memory.dmp
    Filesize

    4.0MB

  • memory/1484-41-0x0000000001DE0000-0x00000000020AF000-memory.dmp
    Filesize

    2.8MB

  • memory/1484-17-0x00000000007E0000-0x0000000000BE4000-memory.dmp
    Filesize

    4.0MB

  • memory/1484-29-0x00000000738A0000-0x0000000073968000-memory.dmp
    Filesize

    800KB

  • memory/1484-37-0x00000000735B0000-0x00000000735D4000-memory.dmp
    Filesize

    144KB

  • memory/1484-48-0x00000000738A0000-0x0000000073968000-memory.dmp
    Filesize

    800KB

  • memory/1484-50-0x0000000073780000-0x000000007384E000-memory.dmp
    Filesize

    824KB

  • memory/1484-47-0x00000000007E0000-0x0000000000BE4000-memory.dmp
    Filesize

    4.0MB

  • memory/1484-56-0x00000000007E0000-0x0000000000BE4000-memory.dmp
    Filesize

    4.0MB

  • memory/1484-36-0x00000000735E0000-0x0000000073668000-memory.dmp
    Filesize

    544KB

  • memory/1484-65-0x0000000001DE0000-0x00000000020AF000-memory.dmp
    Filesize

    2.8MB

  • memory/1484-57-0x00000000007E0000-0x0000000000BE4000-memory.dmp
    Filesize

    4.0MB

  • memory/1484-42-0x00000000732E0000-0x00000000735AF000-memory.dmp
    Filesize

    2.8MB

  • memory/1484-35-0x0000000073780000-0x000000007384E000-memory.dmp
    Filesize

    824KB

  • memory/1484-76-0x00000000007E0000-0x0000000000BE4000-memory.dmp
    Filesize

    4.0MB

  • memory/1484-43-0x0000000073850000-0x0000000073899000-memory.dmp
    Filesize

    292KB

  • memory/1484-90-0x00000000007E0000-0x0000000000BE4000-memory.dmp
    Filesize

    4.0MB

  • memory/1484-44-0x0000000073670000-0x000000007377A000-memory.dmp
    Filesize

    1.0MB

  • memory/1484-108-0x00000000007E0000-0x0000000000BE4000-memory.dmp
    Filesize

    4.0MB

  • memory/1484-125-0x00000000007E0000-0x0000000000BE4000-memory.dmp
    Filesize

    4.0MB

  • memory/2132-220-0x0000000073710000-0x00000000739DF000-memory.dmp
    Filesize

    2.8MB

  • memory/2132-213-0x00000000007E0000-0x0000000000BE4000-memory.dmp
    Filesize

    4.0MB

  • memory/2132-252-0x0000000073710000-0x00000000739DF000-memory.dmp
    Filesize

    2.8MB

  • memory/2132-249-0x0000000073640000-0x0000000073708000-memory.dmp
    Filesize

    800KB

  • memory/2132-250-0x0000000073570000-0x000000007363E000-memory.dmp
    Filesize

    824KB

  • memory/2132-240-0x00000000007E0000-0x0000000000BE4000-memory.dmp
    Filesize

    4.0MB

  • memory/2132-214-0x0000000073640000-0x0000000073708000-memory.dmp
    Filesize

    800KB

  • memory/2132-215-0x0000000073570000-0x000000007363E000-memory.dmp
    Filesize

    824KB

  • memory/2132-216-0x0000000073520000-0x0000000073569000-memory.dmp
    Filesize

    292KB

  • memory/2132-217-0x00000000734F0000-0x0000000073514000-memory.dmp
    Filesize

    144KB

  • memory/2132-218-0x00000000733E0000-0x00000000734EA000-memory.dmp
    Filesize

    1.0MB

  • memory/2132-219-0x0000000073350000-0x00000000733D8000-memory.dmp
    Filesize

    544KB

  • memory/3724-137-0x0000000073640000-0x0000000073708000-memory.dmp
    Filesize

    800KB

  • memory/3724-139-0x0000000073520000-0x0000000073569000-memory.dmp
    Filesize

    292KB

  • memory/3724-182-0x0000000073710000-0x00000000739DF000-memory.dmp
    Filesize

    2.8MB

  • memory/3724-184-0x0000000073570000-0x000000007363E000-memory.dmp
    Filesize

    824KB

  • memory/3724-183-0x0000000073640000-0x0000000073708000-memory.dmp
    Filesize

    800KB

  • memory/3724-204-0x00000000007E0000-0x0000000000BE4000-memory.dmp
    Filesize

    4.0MB

  • memory/3724-142-0x0000000073350000-0x00000000733D8000-memory.dmp
    Filesize

    544KB

  • memory/3724-135-0x00000000007E0000-0x0000000000BE4000-memory.dmp
    Filesize

    4.0MB

  • memory/3724-141-0x00000000733E0000-0x00000000734EA000-memory.dmp
    Filesize

    1.0MB

  • memory/3724-140-0x00000000734F0000-0x0000000073514000-memory.dmp
    Filesize

    144KB

  • memory/3724-136-0x0000000073710000-0x00000000739DF000-memory.dmp
    Filesize

    2.8MB

  • memory/3724-181-0x00000000007E0000-0x0000000000BE4000-memory.dmp
    Filesize

    4.0MB

  • memory/3724-138-0x0000000073570000-0x000000007363E000-memory.dmp
    Filesize

    824KB

  • memory/4560-134-0x0000000000400000-0x0000000000BD8000-memory.dmp
    Filesize

    7.8MB

  • memory/4560-55-0x0000000000400000-0x0000000000BD8000-memory.dmp
    Filesize

    7.8MB

  • memory/4560-45-0x0000000072FA0000-0x0000000072FDC000-memory.dmp
    Filesize

    240KB

  • memory/4560-1-0x0000000074340000-0x000000007437C000-memory.dmp
    Filesize

    240KB

  • memory/4560-46-0x0000000000400000-0x0000000000BD8000-memory.dmp
    Filesize

    7.8MB

  • memory/4560-251-0x0000000072F30000-0x0000000072F6C000-memory.dmp
    Filesize

    240KB

  • memory/4560-74-0x0000000000400000-0x0000000000BD8000-memory.dmp
    Filesize

    7.8MB

  • memory/4560-0-0x0000000000400000-0x0000000000BD8000-memory.dmp
    Filesize

    7.8MB

  • memory/4560-180-0x0000000072F30000-0x0000000072F6C000-memory.dmp
    Filesize

    240KB