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
    150s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 11:59

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 7 IoCs
  • Loads dropped DLL 57 IoCs
  • UPX packed file 64 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: RenamesItself 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\426bc8bac5cb97b5340b0f347cc70024fb5cc64041149ad923c815aedaf17a7a.exe
    "C:\Users\Admin\AppData\Local\Temp\426bc8bac5cb97b5340b0f347cc70024fb5cc64041149ad923c815aedaf17a7a.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies system certificate store
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1760
    • 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:2568
    • 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:2652
    • 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:476
    • 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:1616
    • 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:1192
    • 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:2376
    • 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:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    20KB

    MD5

    730093f52a28050d94664a0480ac4ebe

    SHA1

    7955553794d2e18020f55f355f80d7bcd18f9d2a

    SHA256

    bc4133d4696e3acc8973de89300169f5d5e77fca68cf4dfed638f498925d2d3d

    SHA512

    8081d9b4b3bff6b076a203b6302cd141dd267fa11983dcd674eb9da37037fcd399f9a3988463475a4d540792b12f2a8b6ca2416392d31007fceb26de005d424e

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

    Filesize

    2.6MB

    MD5

    c7e7df0119da2669c8d05dcf0f2cb4c5

    SHA1

    99324bd69525feb253c665023c9261b3f078818b

    SHA256

    6b92f204e74bf781bdd6e46152bf993deb86e367e749a29a47ba65f23d8846ff

    SHA512

    a9fd3259cbca5411df9791b215348d21b5ddd0cad942131ef852167737ee17f76e62c827edcd22c49868063d1af87d878663a15ec02cb53e8afbb75e19f45bab

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

    Filesize

    20.3MB

    MD5

    44a78df19a4d2f68187ac8ef19588c8b

    SHA1

    616dfbf105591d78e572f53faf2eed631e358c9a

    SHA256

    dff46a6a31d4a970af1a56301fb94695d66269fef012feb0664128602dd1c052

    SHA512

    b1f282732ff5ecc85e14b92da2eb7b0dfb960d3ebda074ca36cba798f415c77b7d7f57d49a9b0aec3282652b9b6182f6a4695b36d0a8e11f4e7f28b62627341e

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

    Filesize

    8.4MB

    MD5

    b3c187af6600efadea6cd95f73be4b09

    SHA1

    57e85b0f2e495e2499ff2fc81233e415e4188c8a

    SHA256

    e427abff2ffb20c64183f25cd24449c5496795efa0c68c9c0b88f1f585964091

    SHA512

    d8c45fc4375b787af4eea06a247b69a5f6abdd2d05ecea3775689a91c6d2285d9d94b5dbc0176844a053a88e845813d5d5622231c9a2f0b4cef674b1f7f75f06

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

    Filesize

    232B

    MD5

    f942115b95b6030d77e340ecf4e7bf7e

    SHA1

    944eb7309b1d6751b46cf701eaa446a775d16a46

    SHA256

    a9cec82d2e4b7bf8d1fb366d506d3535144afed030a7b998737cb96ba27630b2

    SHA512

    d43f43e073005038dfc75e5701582c208968866eec0e496d689d8a2745918ac66bdd48b54ac838f1aaff5e9cca55a2d7daba133f2e6a76497634daf826c6aa20

  • 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\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\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

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

    Filesize

    973KB

    MD5

    5cfe61ff895c7daa889708665ef05d7b

    SHA1

    5e58efe30406243fbd58d4968b0492ddeef145f2

    SHA256

    f9c1d18b50ce7484bf212cb61a9035602cfb90ebdfe66a077b9f6df73196a9f5

    SHA512

    43b6f10391a863a21f70e05cee41900729c7543750e118ff5d74c0cac3d1383f10bcb73eade2a28b555a393cada4795e204246129b01ad9177d1167827dd68da

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

    Filesize

    366KB

    MD5

    099983c13bade9554a3c17484e5481f1

    SHA1

    a84e69ad9722f999252d59d0ed9a99901a60e564

    SHA256

    b65f9aa0c7912af64bd9b05e9322e994339a11b0c8907e6a6166d7b814bda838

    SHA512

    89f1a963de77873296395662d4150e3eff7a2d297fb9ec54ec06aa2e40d41e5f4fc4611e9bc34126d760c9134f2907fea3bebdf2fbbd7eaddad99f8e4be1f5e2

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

    Filesize

    88KB

    MD5

    2c916456f503075f746c6ea649cf9539

    SHA1

    fa1afc1f3d728c89b2e90e14ca7d88b599580a9d

    SHA256

    cbb5236d923d4f4baf2f0d2797c72a2cbae42ef7ac0acce786daf5fdc5b456e6

    SHA512

    1c1995e1aa7c33c597c64122395275861d9219e46d45277d4f1768a2e06227b353d5d77d6b7cb655082dc6fb9736ad6f7cfcc0c90e02776e27d50857e792e3fd

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

    Filesize

    52KB

    MD5

    add33041af894b67fe34e1dc819b7eb6

    SHA1

    6db46eb021855a587c95479422adcc774a272eeb

    SHA256

    8688bd7ca55dcc0c23c429762776a0a43fe5b0332dfd5b79ef74e55d4bbc1183

    SHA512

    bafc441198d03f0e7fe804bab89283c389d38884d0f87d81b11950a9b79fcbf7b32be4bb16f4fcd9179b66f865c563c172a46b4514a6087ef0af64425a4b2cfa

  • memory/476-178-0x0000000073B50000-0x0000000073E1F000-memory.dmp

    Filesize

    2.8MB

  • memory/476-175-0x0000000073E80000-0x0000000073F08000-memory.dmp

    Filesize

    544KB

  • memory/476-174-0x0000000073F10000-0x000000007401A000-memory.dmp

    Filesize

    1.0MB

  • memory/476-176-0x00000000739C0000-0x0000000073A8E000-memory.dmp

    Filesize

    824KB

  • memory/476-186-0x0000000001290000-0x0000000001694000-memory.dmp

    Filesize

    4.0MB

  • memory/476-177-0x0000000074390000-0x00000000743B4000-memory.dmp

    Filesize

    144KB

  • memory/476-169-0x0000000074020000-0x00000000740E8000-memory.dmp

    Filesize

    800KB

  • memory/476-168-0x0000000074320000-0x0000000074369000-memory.dmp

    Filesize

    292KB

  • memory/476-189-0x0000000074020000-0x00000000740E8000-memory.dmp

    Filesize

    800KB

  • memory/476-167-0x0000000001290000-0x0000000001694000-memory.dmp

    Filesize

    4.0MB

  • memory/476-203-0x0000000001290000-0x0000000001694000-memory.dmp

    Filesize

    4.0MB

  • memory/1192-276-0x0000000073B70000-0x0000000073C3E000-memory.dmp

    Filesize

    824KB

  • memory/1192-273-0x0000000074370000-0x00000000743B9000-memory.dmp

    Filesize

    292KB

  • memory/1192-298-0x0000000001350000-0x0000000001754000-memory.dmp

    Filesize

    4.0MB

  • memory/1192-299-0x0000000073E20000-0x00000000740EF000-memory.dmp

    Filesize

    2.8MB

  • memory/1192-278-0x0000000073D50000-0x0000000073E18000-memory.dmp

    Filesize

    800KB

  • memory/1192-277-0x00000000746C0000-0x00000000746E4000-memory.dmp

    Filesize

    144KB

  • memory/1192-271-0x0000000001350000-0x0000000001754000-memory.dmp

    Filesize

    4.0MB

  • memory/1192-272-0x0000000073E20000-0x00000000740EF000-memory.dmp

    Filesize

    2.8MB

  • memory/1192-275-0x00000000742E0000-0x0000000074368000-memory.dmp

    Filesize

    544KB

  • memory/1192-274-0x0000000073C40000-0x0000000073D4A000-memory.dmp

    Filesize

    1.0MB

  • memory/1616-243-0x0000000073E80000-0x0000000073F08000-memory.dmp

    Filesize

    544KB

  • memory/1616-232-0x0000000073B50000-0x0000000073E1F000-memory.dmp

    Filesize

    2.8MB

  • memory/1616-230-0x0000000001290000-0x0000000001694000-memory.dmp

    Filesize

    4.0MB

  • memory/1616-253-0x0000000073B50000-0x0000000073E1F000-memory.dmp

    Filesize

    2.8MB

  • memory/1616-254-0x0000000074320000-0x0000000074369000-memory.dmp

    Filesize

    292KB

  • memory/1616-235-0x0000000074320000-0x0000000074369000-memory.dmp

    Filesize

    292KB

  • memory/1616-252-0x0000000001290000-0x0000000001694000-memory.dmp

    Filesize

    4.0MB

  • memory/1616-247-0x0000000074390000-0x00000000743B4000-memory.dmp

    Filesize

    144KB

  • memory/1616-245-0x00000000739C0000-0x0000000073A8E000-memory.dmp

    Filesize

    824KB

  • memory/1616-238-0x0000000074020000-0x00000000740E8000-memory.dmp

    Filesize

    800KB

  • memory/1616-240-0x0000000073F10000-0x000000007401A000-memory.dmp

    Filesize

    1.0MB

  • memory/1760-228-0x0000000004880000-0x0000000004C84000-memory.dmp

    Filesize

    4.0MB

  • memory/1760-324-0x0000000005570000-0x0000000005974000-memory.dmp

    Filesize

    4.0MB

  • memory/1760-121-0x0000000004880000-0x0000000004C84000-memory.dmp

    Filesize

    4.0MB

  • memory/1760-194-0x0000000004880000-0x0000000004C84000-memory.dmp

    Filesize

    4.0MB

  • memory/1760-0-0x0000000000400000-0x0000000000BDB000-memory.dmp

    Filesize

    7.9MB

  • memory/1760-300-0x00000000003F0000-0x00000000003FA000-memory.dmp

    Filesize

    40KB

  • memory/1760-55-0x0000000003C10000-0x0000000004014000-memory.dmp

    Filesize

    4.0MB

  • memory/1760-301-0x00000000003F0000-0x00000000003FA000-memory.dmp

    Filesize

    40KB

  • memory/1760-45-0x0000000003C10000-0x0000000004014000-memory.dmp

    Filesize

    4.0MB

  • memory/1760-289-0x0000000004880000-0x0000000004C84000-memory.dmp

    Filesize

    4.0MB

  • memory/1760-19-0x0000000003C10000-0x0000000004014000-memory.dmp

    Filesize

    4.0MB

  • memory/1760-21-0x0000000003C10000-0x0000000004014000-memory.dmp

    Filesize

    4.0MB

  • memory/2376-329-0x0000000073D50000-0x0000000073E18000-memory.dmp

    Filesize

    800KB

  • memory/2376-331-0x0000000073C40000-0x0000000073D4A000-memory.dmp

    Filesize

    1.0MB

  • memory/2376-333-0x00000000742E0000-0x0000000074368000-memory.dmp

    Filesize

    544KB

  • memory/2376-336-0x0000000073B70000-0x0000000073C3E000-memory.dmp

    Filesize

    824KB

  • memory/2376-327-0x0000000074370000-0x00000000743B9000-memory.dmp

    Filesize

    292KB

  • memory/2376-339-0x00000000746C0000-0x00000000746E4000-memory.dmp

    Filesize

    144KB

  • memory/2376-325-0x0000000073E20000-0x00000000740EF000-memory.dmp

    Filesize

    2.8MB

  • memory/2568-57-0x0000000073E20000-0x00000000740EF000-memory.dmp

    Filesize

    2.8MB

  • memory/2568-56-0x0000000000E50000-0x0000000001254000-memory.dmp

    Filesize

    4.0MB

  • memory/2568-20-0x0000000000E50000-0x0000000001254000-memory.dmp

    Filesize

    4.0MB

  • memory/2568-24-0x0000000073E20000-0x00000000740EF000-memory.dmp

    Filesize

    2.8MB

  • memory/2568-27-0x0000000074370000-0x00000000743B9000-memory.dmp

    Filesize

    292KB

  • memory/2568-30-0x0000000073D50000-0x0000000073E18000-memory.dmp

    Filesize

    800KB

  • memory/2568-33-0x0000000073C40000-0x0000000073D4A000-memory.dmp

    Filesize

    1.0MB

  • memory/2568-36-0x00000000742E0000-0x0000000074368000-memory.dmp

    Filesize

    544KB

  • memory/2568-39-0x0000000073B70000-0x0000000073C3E000-memory.dmp

    Filesize

    824KB

  • memory/2568-41-0x00000000746C0000-0x00000000746E4000-memory.dmp

    Filesize

    144KB

  • memory/2568-46-0x0000000000E50000-0x0000000001254000-memory.dmp

    Filesize

    4.0MB

  • memory/2568-58-0x0000000074370000-0x00000000743B9000-memory.dmp

    Filesize

    292KB

  • memory/2568-59-0x0000000073D50000-0x0000000073E18000-memory.dmp

    Filesize

    800KB

  • memory/2568-60-0x0000000073C40000-0x0000000073D4A000-memory.dmp

    Filesize

    1.0MB

  • memory/2568-112-0x0000000000E50000-0x0000000001254000-memory.dmp

    Filesize

    4.0MB

  • memory/2568-104-0x0000000000E50000-0x0000000001254000-memory.dmp

    Filesize

    4.0MB

  • memory/2568-91-0x0000000000E50000-0x0000000001254000-memory.dmp

    Filesize

    4.0MB

  • memory/2568-79-0x0000000000E50000-0x0000000001254000-memory.dmp

    Filesize

    4.0MB

  • memory/2568-71-0x0000000000E50000-0x0000000001254000-memory.dmp

    Filesize

    4.0MB

  • memory/2568-62-0x0000000073B70000-0x0000000073C3E000-memory.dmp

    Filesize

    824KB

  • memory/2568-63-0x00000000746C0000-0x00000000746E4000-memory.dmp

    Filesize

    144KB

  • memory/2568-61-0x00000000742E0000-0x0000000074368000-memory.dmp

    Filesize

    544KB

  • memory/2652-131-0x0000000073E20000-0x00000000740EF000-memory.dmp

    Filesize

    2.8MB

  • memory/2652-133-0x0000000074370000-0x00000000743B9000-memory.dmp

    Filesize

    292KB

  • memory/2652-135-0x0000000073D50000-0x0000000073E18000-memory.dmp

    Filesize

    800KB

  • memory/2652-144-0x00000000746C0000-0x00000000746E4000-memory.dmp

    Filesize

    144KB

  • memory/2652-137-0x0000000073C40000-0x0000000073D4A000-memory.dmp

    Filesize

    1.0MB

  • memory/2652-141-0x0000000000E50000-0x0000000001254000-memory.dmp

    Filesize

    4.0MB

  • memory/2652-140-0x00000000742E0000-0x0000000074368000-memory.dmp

    Filesize

    544KB

  • memory/2652-142-0x0000000073B70000-0x0000000073C3E000-memory.dmp

    Filesize

    824KB

  • memory/2652-143-0x0000000073E20000-0x00000000740EF000-memory.dmp

    Filesize

    2.8MB

  • memory/2652-145-0x0000000074370000-0x00000000743B9000-memory.dmp

    Filesize

    292KB

  • memory/2652-147-0x0000000073C40000-0x0000000073D4A000-memory.dmp

    Filesize

    1.0MB

  • memory/2652-148-0x00000000742E0000-0x0000000074368000-memory.dmp

    Filesize

    544KB

  • memory/2652-146-0x0000000073D50000-0x0000000073E18000-memory.dmp

    Filesize

    800KB