Analysis

  • max time kernel
    34s
  • max time network
    40s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 07:41

General

  • Target

    bfa445a152459b5710159298558d3d375162644f3f787621e9afda009e813fc2.exe

  • Size

    316KB

  • MD5

    9c91b2a0771c00f38c6fa140689c373d

  • SHA1

    0d65a6bf3e371846533e5cb87f38b15257e39116

  • SHA256

    bfa445a152459b5710159298558d3d375162644f3f787621e9afda009e813fc2

  • SHA512

    b6c4a2d0d42a772991e1c65dcc345d02177a5ef965332b82471338dd30a3b59ea40635084dbe26eeea5405785a0a2c14389e0cb41a7db3c2026b60f5820482e0

  • SSDEEP

    6144:2rYbUzkuvcBYC47l2xLnvhueEZdkKQ3+7Oj7hTOVA1HWZG:2rdkuveY3CvI5Zdkj6OEu1HSG

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bfa445a152459b5710159298558d3d375162644f3f787621e9afda009e813fc2.exe
    "C:\Users\Admin\AppData\Local\Temp\bfa445a152459b5710159298558d3d375162644f3f787621e9afda009e813fc2.exe"
    1⤵
    • Loads dropped DLL
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1332
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\_tin674E.bat"
      2⤵
        PID:1696

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    Query Registry

    2
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\InstallMate\28FDBDB1\cfg\1.ini
      Filesize

      368B

      MD5

      3a9830a2f57ef1e602de02bd9cc8eb56

      SHA1

      5135a0295755e536b833c6c6010900ff99cdbabf

      SHA256

      8d138bedf3228f7ef9405940526a73f49395fd2917aa22e7d5596297e222da42

      SHA512

      87ed85acdc1509bb02e437f50e7a90695f66b2a7a996a526f0310ba277de9ce8d7343983e2ae0b5dbedcca832bb90da802d7182972f1b14be0a203cfbd14cc41

    • C:\Users\Admin\AppData\Local\Temp\_tin674E.bat
      Filesize

      50B

      MD5

      f14c573c9a3a1bd6f2ad6850095d2dbc

      SHA1

      259e8cd858281b65aebf0f54a41e0cd363ffb479

      SHA256

      23a87ef922672937b1cafd011ebc5157baafde30f99e25c84af88e6dbaaa0f85

      SHA512

      74a3066f9513138989c86a40f79259ef5faa534ecd6536e64ab52d463f62d14bb9406b1e6a2f0279b37c5f942bd64c76530e77f2394872857cb78a4c3f33baa7

    • \Users\Admin\AppData\Local\Temp\Tsu8B03DFCD.dll
      Filesize

      269KB

      MD5

      af7ce801c8471c5cd19b366333c153c4

      SHA1

      4267749d020a362edbd25434ad65f98b073581f1

      SHA256

      cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

      SHA512

      88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

    • \Users\Admin\AppData\Local\Temp\{BCF039C8-D0B4-46E4-A40F-989667131B3E}\Custom.dll
      Filesize

      91KB

      MD5

      81856796ffc64fadd39fa921a1b45ddb

      SHA1

      360313131e7ae57002c2403dfc48bc20718d2cb0

      SHA256

      ec9146dfb838ad477bdf3cbde578baf014c8151d741559568dcb3803d6c9a0eb

      SHA512

      299771bc1f57eeb59665cfcfaedd0c4c196771173f1b65cfa21a1592ab46ab8a1733ef4a7560a74adde00c075dc7147ab9d0a885c5c7e0218f1f955b39aa2be0

    • \Users\Admin\AppData\Local\Temp\{BCF039C8-D0B4-46E4-A40F-989667131B3E}\_Setup.dll
      Filesize

      173KB

      MD5

      40ff5ae516fc869ef29e59f018d8f17f

      SHA1

      ed8642cf6c47a331037a01ccd27e92f94ffa9835

      SHA256

      e35b1cbd557c01edde9ea29e44a6fc11dee2d131964070b15b6f0f1bc5a5ec83

      SHA512

      8da81741a31f84490c9c25990fc17cb0c4a75ba6a7ff03069413d5dc6f49cafd97118a7bb4af94d10768be895b086b7ea1d5c49d27e0110587fdaf6fd7129cbc

    • memory/1332-55-0x00000000766F1000-0x00000000766F3000-memory.dmp
      Filesize

      8KB

    • memory/1696-58-0x0000000000000000-mapping.dmp