Analysis

  • max time kernel
    151s
  • max time network
    162s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2023 06:21

General

  • Target

    b30207db46afba1196520a334dfa6a722d940e2a8750663d8462b6e30505ff03_JC.exe

  • Size

    510KB

  • MD5

    1567c21815e4106a3fac9b2cef843e05

  • SHA1

    14f49f9c6978333b628f58f88de01bbd936b1952

  • SHA256

    b30207db46afba1196520a334dfa6a722d940e2a8750663d8462b6e30505ff03

  • SHA512

    f6b5ac901ed1b275f4233b8a1ad46f694654a3a3a640fcbd91c167bcebd64fc77b103dbff8b262f9cf180206fdbf2de11928a3c673f58031cd26d54955f780e1

  • SSDEEP

    6144:1z2yP2JhecVucqmbafvj4Dlq7YR3N+tnXsUrk2fUJaZqicB3oxLJfW4uMuuei9QT:Yh9I+aXOlq7GN+QvJExLj0UQPL

Score
7/10

Malware Config

Signatures

  • Checks QEMU agent file 2 TTPs 2 IoCs

    Checks presence of QEMU agent, possibly to detect virtualization.

  • Loads dropped DLL 11 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b30207db46afba1196520a334dfa6a722d940e2a8750663d8462b6e30505ff03_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\b30207db46afba1196520a334dfa6a722d940e2a8750663d8462b6e30505ff03_JC.exe"
    1⤵
    • Checks QEMU agent file
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2152
    • C:\Users\Admin\AppData\Local\Temp\b30207db46afba1196520a334dfa6a722d940e2a8750663d8462b6e30505ff03_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\b30207db46afba1196520a334dfa6a722d940e2a8750663d8462b6e30505ff03_JC.exe"
      2⤵
      • Checks QEMU agent file
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:2556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabE0B0.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\TarE111.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • C:\Users\Admin\AppData\Local\Temp\nsi5B2B.tmp\BgImage.dll

    Filesize

    7KB

    MD5

    350a507070ed063ac6a511aeef67861a

    SHA1

    cf647b90a1212e090f1d236d1b50a5010cbf3bae

    SHA256

    5c66abd3f06eaa357ed9663224c927cf7120dca010572103faa88832bb31c5ab

    SHA512

    cde5747cc8539625e4262afad9699ce4e8325133d7ed7f47b9d46989a7aa0d2cc2488441acc57368f485ef1dd3e02b9ef2faa642f68e9f1db53a39e0f896d468

  • C:\Users\Admin\AppData\Local\Temp\nsi5B2B.tmp\System.dll

    Filesize

    11KB

    MD5

    2ae993a2ffec0c137eb51c8832691bcb

    SHA1

    98e0b37b7c14890f8a599f35678af5e9435906e1

    SHA256

    681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59

    SHA512

    2501371eb09c01746119305ba080f3b8c41e64535ff09cee4f51322530366d0bd5322ea5290a466356598027e6cda8ab360caef62dcaf560d630742e2dd9bcd9

  • C:\Users\Admin\AppData\Local\Temp\nsi5B2B.tmp\nsExec.dll

    Filesize

    6KB

    MD5

    b648c78981c02c434d6a04d4422a6198

    SHA1

    74d99eed1eae76c7f43454c01cdb7030e5772fc2

    SHA256

    3e3d516d4f28948a474704d5dc9907dbe39e3b3f98e7299f536337278c59c5c9

    SHA512

    219c88c0ef9fd6e3be34c56d8458443e695badd27861d74c486143306a94b8318e6593bf4da81421e88e4539b238557dd4fe1f5bedf3ecec59727917099e90d2

  • \Users\Admin\AppData\Local\Temp\nsi5B2B.tmp\BgImage.dll

    Filesize

    7KB

    MD5

    350a507070ed063ac6a511aeef67861a

    SHA1

    cf647b90a1212e090f1d236d1b50a5010cbf3bae

    SHA256

    5c66abd3f06eaa357ed9663224c927cf7120dca010572103faa88832bb31c5ab

    SHA512

    cde5747cc8539625e4262afad9699ce4e8325133d7ed7f47b9d46989a7aa0d2cc2488441acc57368f485ef1dd3e02b9ef2faa642f68e9f1db53a39e0f896d468

  • \Users\Admin\AppData\Local\Temp\nsi5B2B.tmp\BgImage.dll

    Filesize

    7KB

    MD5

    350a507070ed063ac6a511aeef67861a

    SHA1

    cf647b90a1212e090f1d236d1b50a5010cbf3bae

    SHA256

    5c66abd3f06eaa357ed9663224c927cf7120dca010572103faa88832bb31c5ab

    SHA512

    cde5747cc8539625e4262afad9699ce4e8325133d7ed7f47b9d46989a7aa0d2cc2488441acc57368f485ef1dd3e02b9ef2faa642f68e9f1db53a39e0f896d468

  • \Users\Admin\AppData\Local\Temp\nsi5B2B.tmp\System.dll

    Filesize

    11KB

    MD5

    2ae993a2ffec0c137eb51c8832691bcb

    SHA1

    98e0b37b7c14890f8a599f35678af5e9435906e1

    SHA256

    681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59

    SHA512

    2501371eb09c01746119305ba080f3b8c41e64535ff09cee4f51322530366d0bd5322ea5290a466356598027e6cda8ab360caef62dcaf560d630742e2dd9bcd9

  • \Users\Admin\AppData\Local\Temp\nsi5B2B.tmp\System.dll

    Filesize

    11KB

    MD5

    2ae993a2ffec0c137eb51c8832691bcb

    SHA1

    98e0b37b7c14890f8a599f35678af5e9435906e1

    SHA256

    681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59

    SHA512

    2501371eb09c01746119305ba080f3b8c41e64535ff09cee4f51322530366d0bd5322ea5290a466356598027e6cda8ab360caef62dcaf560d630742e2dd9bcd9

  • \Users\Admin\AppData\Local\Temp\nsi5B2B.tmp\nsDialogs.dll

    Filesize

    9KB

    MD5

    13b6a88cf284d0f45619e76191e2b995

    SHA1

    09ebb0eb4b1dca73d354368414906fc5ad667e06

    SHA256

    cb958e21c3935ef7697a2f14d64cae0f9264c91a92d2deeb821ba58852dac911

    SHA512

    2aeeae709d759e34592d8a06c90e58aa747e14d54be95fb133994fdcebb1bdc8bc5d82782d0c8c3cdfd35c7bea5d7105379d3c3a25377a8c958c7b2555b1209e

  • \Users\Admin\AppData\Local\Temp\nsi5B2B.tmp\nsExec.dll

    Filesize

    6KB

    MD5

    b648c78981c02c434d6a04d4422a6198

    SHA1

    74d99eed1eae76c7f43454c01cdb7030e5772fc2

    SHA256

    3e3d516d4f28948a474704d5dc9907dbe39e3b3f98e7299f536337278c59c5c9

    SHA512

    219c88c0ef9fd6e3be34c56d8458443e695badd27861d74c486143306a94b8318e6593bf4da81421e88e4539b238557dd4fe1f5bedf3ecec59727917099e90d2

  • \Users\Admin\AppData\Local\Temp\nsi5B2B.tmp\nsExec.dll

    Filesize

    6KB

    MD5

    b648c78981c02c434d6a04d4422a6198

    SHA1

    74d99eed1eae76c7f43454c01cdb7030e5772fc2

    SHA256

    3e3d516d4f28948a474704d5dc9907dbe39e3b3f98e7299f536337278c59c5c9

    SHA512

    219c88c0ef9fd6e3be34c56d8458443e695badd27861d74c486143306a94b8318e6593bf4da81421e88e4539b238557dd4fe1f5bedf3ecec59727917099e90d2

  • \Users\Admin\AppData\Local\Temp\nsi5B2B.tmp\nsExec.dll

    Filesize

    6KB

    MD5

    b648c78981c02c434d6a04d4422a6198

    SHA1

    74d99eed1eae76c7f43454c01cdb7030e5772fc2

    SHA256

    3e3d516d4f28948a474704d5dc9907dbe39e3b3f98e7299f536337278c59c5c9

    SHA512

    219c88c0ef9fd6e3be34c56d8458443e695badd27861d74c486143306a94b8318e6593bf4da81421e88e4539b238557dd4fe1f5bedf3ecec59727917099e90d2

  • \Users\Admin\AppData\Local\Temp\nsi5B2B.tmp\nsExec.dll

    Filesize

    6KB

    MD5

    b648c78981c02c434d6a04d4422a6198

    SHA1

    74d99eed1eae76c7f43454c01cdb7030e5772fc2

    SHA256

    3e3d516d4f28948a474704d5dc9907dbe39e3b3f98e7299f536337278c59c5c9

    SHA512

    219c88c0ef9fd6e3be34c56d8458443e695badd27861d74c486143306a94b8318e6593bf4da81421e88e4539b238557dd4fe1f5bedf3ecec59727917099e90d2

  • \Users\Admin\AppData\Local\Temp\nsi5B2B.tmp\nsExec.dll

    Filesize

    6KB

    MD5

    b648c78981c02c434d6a04d4422a6198

    SHA1

    74d99eed1eae76c7f43454c01cdb7030e5772fc2

    SHA256

    3e3d516d4f28948a474704d5dc9907dbe39e3b3f98e7299f536337278c59c5c9

    SHA512

    219c88c0ef9fd6e3be34c56d8458443e695badd27861d74c486143306a94b8318e6593bf4da81421e88e4539b238557dd4fe1f5bedf3ecec59727917099e90d2

  • \Users\Admin\AppData\Local\Temp\nsi5B2B.tmp\nsExec.dll

    Filesize

    6KB

    MD5

    b648c78981c02c434d6a04d4422a6198

    SHA1

    74d99eed1eae76c7f43454c01cdb7030e5772fc2

    SHA256

    3e3d516d4f28948a474704d5dc9907dbe39e3b3f98e7299f536337278c59c5c9

    SHA512

    219c88c0ef9fd6e3be34c56d8458443e695badd27861d74c486143306a94b8318e6593bf4da81421e88e4539b238557dd4fe1f5bedf3ecec59727917099e90d2

  • memory/2152-54-0x00000000771B0000-0x0000000077359000-memory.dmp

    Filesize

    1.7MB

  • memory/2152-55-0x00000000773A0000-0x0000000077476000-memory.dmp

    Filesize

    856KB

  • memory/2152-56-0x0000000010000000-0x0000000010006000-memory.dmp

    Filesize

    24KB

  • memory/2556-57-0x00000000771B0000-0x0000000077359000-memory.dmp

    Filesize

    1.7MB

  • memory/2556-218-0x00000000771B0000-0x0000000077359000-memory.dmp

    Filesize

    1.7MB

  • memory/2556-249-0x0000000072730000-0x0000000073792000-memory.dmp

    Filesize

    16.4MB