Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-02-2024 02:34

General

  • Target

    aac87e479dbe5e55246d09809cc5d93b.exe

  • Size

    9.8MB

  • MD5

    aac87e479dbe5e55246d09809cc5d93b

  • SHA1

    dc7c83e35b284ce7ff236f5df3d1496655a28740

  • SHA256

    849c5c0915f66536f76f5b82abf84a60dbca004613f1aedce7561110d79a2185

  • SHA512

    34844332728beafbbeb250f98fc69a2fa12e1170814f445ade78fefa39a500e452f4c03c018a04fa75c836df341ca74136accc1e29d4a99c2c6c66de03165951

  • SSDEEP

    196608:s8ylNuhqdOjOOL2M2p+YOuUxwhzav1yo31CPwDv3uFZjeg2EeJUO9WLQUDxtw3i1:JRPQ4YQxwZ6v1CPwDv3uFteg2EeJUO9I

Score
10/10

Malware Config

Signatures

  • BitRAT

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

  • BitRAT payload 2 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 31 IoCs

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

  • Looks up external IP address via web service 9 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).

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aac87e479dbe5e55246d09809cc5d93b.exe
    "C:\Users\Admin\AppData\Local\Temp\aac87e479dbe5e55246d09809cc5d93b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Users\Admin\AppData\Local\18c4d7d0\tor\winsys64.exe
      "C:\Users\Admin\AppData\Local\18c4d7d0\tor\winsys64.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2984

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    67KB

    MD5

    753df6889fd7410a2e9fe333da83a429

    SHA1

    3c425f16e8267186061dd48ac1c77c122962456e

    SHA256

    b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

    SHA512

    9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    e167b4490c15134ace2ff59dc749f316

    SHA1

    c22c8796932a847bfbba4b527107d0e0e9a69ec9

    SHA256

    49ad84634d9b42301c23417ede875890beea27416fc6daf369ac9adda83d0e7d

    SHA512

    ee52e964eb9b799b82c47688c26ec5607a1e739927dd1d45d40c74cb7f360c3be584cd9567a422368807c7751e4c3aa0cbddca227a18372989c7283321192a30

  • C:\Users\Admin\AppData\Local\18c4d7d0\tor\data\cached-microdesc-consensus.tmp
    Filesize

    2.6MB

    MD5

    aaaa95465fb9587c8f2f4a0159a2ec3d

    SHA1

    240dc17a7689f2dd638e6405f994c82701e6ca70

    SHA256

    ba0c8bfcdbe6e679b8f1fafb529772aaa5165b28f958f915dd598e818f94f5dd

    SHA512

    0330836632931fdb9c619ae882ee55174c85911e84c7a8a415c81b332c5f0566bedaf5c320e6a098be364ac871ec331655d300fdce78083c28d44c7da6b68ad4

  • C:\Users\Admin\AppData\Local\18c4d7d0\tor\data\cached-microdescs.new
    Filesize

    3.1MB

    MD5

    1561ecd92a8bbf6199d29e9cdb34c90b

    SHA1

    b605e9643d02aa5c2f4ab133a972042523df0ba1

    SHA256

    7e32ff5ce25ef988b997e02ae1689efa567809067e25b4f7eeae3ceb1fcb5ec4

    SHA512

    fd6e0fa22a9d6584516439642d22e69b26f53164075fc9abc6f23b02ef054ffd6d1b9fdb5a9f42ec4838d9bb0ac06be75eefd433ba4614b3de1528c059adeda1

  • C:\Users\Admin\AppData\Local\18c4d7d0\tor\libcrypto-1_1.dll
    Filesize

    1.7MB

    MD5

    2384a02c4a1f7ec481adde3a020607d3

    SHA1

    7e848d35a10bf9296c8fa41956a3daa777f86365

    SHA256

    c8db0ff0f7047ed91b057005e86ad3a23eae616253313aa047c560d9eb398369

    SHA512

    1ac74dd2d863acd7415ef8b9490a5342865462fbabdad0645da22424b0d56f5e9c389a3d7c41386f2414d6c4715c79a6ddecb6e6cff29e98319e1fd1060f4503

  • C:\Users\Admin\AppData\Local\18c4d7d0\tor\libevent-2-1-6.dll
    Filesize

    366KB

    MD5

    099983c13bade9554a3c17484e5481f1

    SHA1

    a84e69ad9722f999252d59d0ed9a99901a60e564

    SHA256

    b65f9aa0c7912af64bd9b05e9322e994339a11b0c8907e6a6166d7b814bda838

    SHA512

    89f1a963de77873296395662d4150e3eff7a2d297fb9ec54ec06aa2e40d41e5f4fc4611e9bc34126d760c9134f2907fea3bebdf2fbbd7eaddad99f8e4be1f5e2

  • C:\Users\Admin\AppData\Local\18c4d7d0\tor\libgcc_s_sjlj-1.dll
    Filesize

    286KB

    MD5

    b0d98f7157d972190fe0759d4368d320

    SHA1

    5715a533621a2b642aad9616e603c6907d80efc4

    SHA256

    2922193133dabab5b82088d4e87484e2fac75e9e0c765dacaf22eb5f4f18b0c5

    SHA512

    41ce56c428158533bf8b8ffe0a71875b5a3abc549b88d7d3e69acc6080653abea344d6d66fff39c04bf019fcaa295768d620377d85a933ddaf17f3d90df29496

  • C:\Users\Admin\AppData\Local\18c4d7d0\tor\libssl-1_1.dll
    Filesize

    439KB

    MD5

    c88826ac4bb879622e43ead5bdb95aeb

    SHA1

    87d29853649a86f0463bfd9ad887b85eedc21723

    SHA256

    c4d898b1a4285a45153af9ed88d79aa2a073dcb7225961b6b276b532b4d18b6f

    SHA512

    f733041ef35b9b8058fbcf98faa0d1fea5c0858fea941ecebbe9f083cd73e3e66323afffd8d734097fcdd5e6e59db4d94f51fca5874edbcd2a382d9ba6cd97b3

  • C:\Users\Admin\AppData\Local\18c4d7d0\tor\libssp-0.dll
    Filesize

    88KB

    MD5

    2c916456f503075f746c6ea649cf9539

    SHA1

    fa1afc1f3d728c89b2e90e14ca7d88b599580a9d

    SHA256

    cbb5236d923d4f4baf2f0d2797c72a2cbae42ef7ac0acce786daf5fdc5b456e6

    SHA512

    1c1995e1aa7c33c597c64122395275861d9219e46d45277d4f1768a2e06227b353d5d77d6b7cb655082dc6fb9736ad6f7cfcc0c90e02776e27d50857e792e3fd

  • C:\Users\Admin\AppData\Local\18c4d7d0\tor\libwinpthread-1.dll
    Filesize

    188KB

    MD5

    d407cc6d79a08039a6f4b50539e560b8

    SHA1

    21171adbc176dc19aaa5e595cd2cd4bd1dfd0c71

    SHA256

    92cfd0277c8781a15a0f17b7aee6cff69631b9606a001101631f04b3381efc4e

    SHA512

    378a10fed915591445d97c6d04e82d28008d8ea65e0e40c142b8ee59867035d561d4e103495c8f0d9c19b51597706ce0b450c25516aa0f1744579ffcd097ae0c

  • C:\Users\Admin\AppData\Local\18c4d7d0\tor\torrc
    Filesize

    139B

    MD5

    810ca57a4541aa0915723dd9a878a4f8

    SHA1

    bf5cbb30e140282febea89ade1b6f3c01a1614c4

    SHA256

    87d1de959d834f83a63d7b707ae81dceb521ed5169697e25797815e1025fdfd7

    SHA512

    833aaec0564f7a0a5f12643dc3cd90e581bea671a94162c899ab32b557c52ad6bd3f2b9195ae205051c5d46eb4d4a7b644f119dec5f041658d2a99c1cfe8662a

  • C:\Users\Admin\AppData\Local\18c4d7d0\tor\zlib1.dll
    Filesize

    52KB

    MD5

    add33041af894b67fe34e1dc819b7eb6

    SHA1

    6db46eb021855a587c95479422adcc774a272eeb

    SHA256

    8688bd7ca55dcc0c23c429762776a0a43fe5b0332dfd5b79ef74e55d4bbc1183

    SHA512

    bafc441198d03f0e7fe804bab89283c389d38884d0f87d81b11950a9b79fcbf7b32be4bb16f4fcd9179b66f865c563c172a46b4514a6087ef0af64425a4b2cfa

  • C:\Users\Admin\AppData\Local\Temp\CabB34A.tmp
    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarB573.tmp
    Filesize

    175KB

    MD5

    dd73cead4b93366cf3465c8cd32e2796

    SHA1

    74546226dfe9ceb8184651e920d1dbfb432b314e

    SHA256

    a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

    SHA512

    ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

  • \Users\Admin\AppData\Local\18c4d7d0\tor\winsys64.exe
    Filesize

    973KB

    MD5

    5cfe61ff895c7daa889708665ef05d7b

    SHA1

    5e58efe30406243fbd58d4968b0492ddeef145f2

    SHA256

    f9c1d18b50ce7484bf212cb61a9035602cfb90ebdfe66a077b9f6df73196a9f5

    SHA512

    43b6f10391a863a21f70e05cee41900729c7543750e118ff5d74c0cac3d1383f10bcb73eade2a28b555a393cada4795e204246129b01ad9177d1167827dd68da

  • memory/2140-242-0x00000000051D0000-0x00000000051DA000-memory.dmp
    Filesize

    40KB

  • memory/2140-332-0x00000000003A0000-0x00000000003AA000-memory.dmp
    Filesize

    40KB

  • memory/2140-537-0x00000000051D0000-0x00000000051DA000-memory.dmp
    Filesize

    40KB

  • memory/2140-39-0x0000000000400000-0x0000000000DD8000-memory.dmp
    Filesize

    9.8MB

  • memory/2140-525-0x00000000049C0000-0x00000000049CA000-memory.dmp
    Filesize

    40KB

  • memory/2140-524-0x00000000049C0000-0x00000000049CA000-memory.dmp
    Filesize

    40KB

  • memory/2140-46-0x0000000004000000-0x0000000004404000-memory.dmp
    Filesize

    4.0MB

  • memory/2140-435-0x00000000051D0000-0x00000000051DA000-memory.dmp
    Filesize

    40KB

  • memory/2140-434-0x00000000051D0000-0x00000000051DA000-memory.dmp
    Filesize

    40KB

  • memory/2140-337-0x00000000049C0000-0x00000000049CA000-memory.dmp
    Filesize

    40KB

  • memory/2140-336-0x00000000049C0000-0x00000000049CA000-memory.dmp
    Filesize

    40KB

  • memory/2140-331-0x00000000003A0000-0x00000000003AA000-memory.dmp
    Filesize

    40KB

  • memory/2140-0-0x0000000000400000-0x0000000000DD8000-memory.dmp
    Filesize

    9.8MB

  • memory/2140-19-0x0000000004000000-0x0000000004404000-memory.dmp
    Filesize

    4.0MB

  • memory/2140-21-0x0000000004000000-0x0000000004404000-memory.dmp
    Filesize

    4.0MB

  • memory/2140-96-0x00000000003A0000-0x00000000003AA000-memory.dmp
    Filesize

    40KB

  • memory/2140-95-0x00000000003A0000-0x00000000003AA000-memory.dmp
    Filesize

    40KB

  • memory/2984-65-0x0000000000F30000-0x0000000001334000-memory.dmp
    Filesize

    4.0MB

  • memory/2984-40-0x0000000074750000-0x000000007481E000-memory.dmp
    Filesize

    824KB

  • memory/2984-84-0x0000000000F30000-0x0000000001334000-memory.dmp
    Filesize

    4.0MB

  • memory/2984-27-0x0000000074F60000-0x0000000074FA9000-memory.dmp
    Filesize

    292KB

  • memory/2984-70-0x0000000074820000-0x000000007492A000-memory.dmp
    Filesize

    1.0MB

  • memory/2984-20-0x0000000000F30000-0x0000000001334000-memory.dmp
    Filesize

    4.0MB

  • memory/2984-69-0x0000000074930000-0x00000000749F8000-memory.dmp
    Filesize

    800KB

  • memory/2984-231-0x0000000000F30000-0x0000000001334000-memory.dmp
    Filesize

    4.0MB

  • memory/2984-67-0x0000000074F60000-0x0000000074FA9000-memory.dmp
    Filesize

    292KB

  • memory/2984-25-0x0000000074A00000-0x0000000074CCF000-memory.dmp
    Filesize

    2.8MB

  • memory/2984-71-0x0000000074ED0000-0x0000000074F58000-memory.dmp
    Filesize

    544KB

  • memory/2984-72-0x0000000074750000-0x000000007481E000-memory.dmp
    Filesize

    824KB

  • memory/2984-323-0x0000000000F30000-0x0000000001334000-memory.dmp
    Filesize

    4.0MB

  • memory/2984-60-0x0000000074A00000-0x0000000074CCF000-memory.dmp
    Filesize

    2.8MB

  • memory/2984-418-0x0000000000F30000-0x0000000001334000-memory.dmp
    Filesize

    4.0MB

  • memory/2984-426-0x0000000000F30000-0x0000000001334000-memory.dmp
    Filesize

    4.0MB

  • memory/2984-30-0x0000000074930000-0x00000000749F8000-memory.dmp
    Filesize

    800KB

  • memory/2984-47-0x0000000000F30000-0x0000000001334000-memory.dmp
    Filesize

    4.0MB

  • memory/2984-516-0x0000000000F30000-0x0000000001334000-memory.dmp
    Filesize

    4.0MB

  • memory/2984-36-0x0000000074ED0000-0x0000000074F58000-memory.dmp
    Filesize

    544KB

  • memory/2984-33-0x0000000074820000-0x000000007492A000-memory.dmp
    Filesize

    1.0MB

  • memory/2984-529-0x0000000000F30000-0x0000000001334000-memory.dmp
    Filesize

    4.0MB

  • memory/2984-42-0x0000000075000000-0x0000000075024000-memory.dmp
    Filesize

    144KB