Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    18-08-2023 03:50

General

  • Target

    tmp.exe

  • Size

    1.1MB

  • MD5

    700fc96585a4947fcdf27a271d40876f

  • SHA1

    121edbdefb9a894ff217f20c963626ec1bd94770

  • SHA256

    65a0ece86fe16402e51a637d121bddccfa0d1d026bd0cec7f7ead19c31507eaa

  • SHA512

    748d5fd5421bdb51421dc9a33c2a4ca93a66d1afcdeb03a766513b81e05a337e52ad3fdacb852e8e037e7dfffdb3e6cfec3fe376d885a8c8b8da5188cd4c032e

  • SSDEEP

    12288:VMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9FC9/W74Vf:VnsJ39LyjbJkQFMhmC+6GD9mW7S

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Chinese Botnet payload 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 49 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      PID:2680
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2848
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        PID:2708
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2788
  • C:\Program Files (x86)\Terms.exe
    "C:\Program Files (x86)\Terms.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Modifies data under HKEY_USERS
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Program Files (x86)\Terms.exe
      "C:\Program Files (x86)\Terms.exe" Win7
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      PID:1872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Terms.exe

    Filesize

    352KB

    MD5

    e76dbb2f998c3ccf78e984001c9207c8

    SHA1

    9c27f473c6d8529f77fdfaac6615265d096b4f85

    SHA256

    ac5afced6515d12cf83466ea2dc0e874c9b5491beba0837a344e0e6093febc07

    SHA512

    ed1eea5ef6d894cb460c00a78bb8363159c6afd52d94446b48c644088d3aae0319411175112385d4e92d2f6bd5b89c03b0f6f140eb24d4b72848b8e2b1105b34

  • C:\Program Files (x86)\Terms.exe

    Filesize

    352KB

    MD5

    e76dbb2f998c3ccf78e984001c9207c8

    SHA1

    9c27f473c6d8529f77fdfaac6615265d096b4f85

    SHA256

    ac5afced6515d12cf83466ea2dc0e874c9b5491beba0837a344e0e6093febc07

    SHA512

    ed1eea5ef6d894cb460c00a78bb8363159c6afd52d94446b48c644088d3aae0319411175112385d4e92d2f6bd5b89c03b0f6f140eb24d4b72848b8e2b1105b34

  • C:\Program Files (x86)\Terms.exe

    Filesize

    352KB

    MD5

    e76dbb2f998c3ccf78e984001c9207c8

    SHA1

    9c27f473c6d8529f77fdfaac6615265d096b4f85

    SHA256

    ac5afced6515d12cf83466ea2dc0e874c9b5491beba0837a344e0e6093febc07

    SHA512

    ed1eea5ef6d894cb460c00a78bb8363159c6afd52d94446b48c644088d3aae0319411175112385d4e92d2f6bd5b89c03b0f6f140eb24d4b72848b8e2b1105b34

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.1MB

    MD5

    700fc96585a4947fcdf27a271d40876f

    SHA1

    121edbdefb9a894ff217f20c963626ec1bd94770

    SHA256

    65a0ece86fe16402e51a637d121bddccfa0d1d026bd0cec7f7ead19c31507eaa

    SHA512

    748d5fd5421bdb51421dc9a33c2a4ca93a66d1afcdeb03a766513b81e05a337e52ad3fdacb852e8e037e7dfffdb3e6cfec3fe376d885a8c8b8da5188cd4c032e

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.1MB

    MD5

    700fc96585a4947fcdf27a271d40876f

    SHA1

    121edbdefb9a894ff217f20c963626ec1bd94770

    SHA256

    65a0ece86fe16402e51a637d121bddccfa0d1d026bd0cec7f7ead19c31507eaa

    SHA512

    748d5fd5421bdb51421dc9a33c2a4ca93a66d1afcdeb03a766513b81e05a337e52ad3fdacb852e8e037e7dfffdb3e6cfec3fe376d885a8c8b8da5188cd4c032e

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.1MB

    MD5

    700fc96585a4947fcdf27a271d40876f

    SHA1

    121edbdefb9a894ff217f20c963626ec1bd94770

    SHA256

    65a0ece86fe16402e51a637d121bddccfa0d1d026bd0cec7f7ead19c31507eaa

    SHA512

    748d5fd5421bdb51421dc9a33c2a4ca93a66d1afcdeb03a766513b81e05a337e52ad3fdacb852e8e037e7dfffdb3e6cfec3fe376d885a8c8b8da5188cd4c032e

  • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe

    Filesize

    352KB

    MD5

    e76dbb2f998c3ccf78e984001c9207c8

    SHA1

    9c27f473c6d8529f77fdfaac6615265d096b4f85

    SHA256

    ac5afced6515d12cf83466ea2dc0e874c9b5491beba0837a344e0e6093febc07

    SHA512

    ed1eea5ef6d894cb460c00a78bb8363159c6afd52d94446b48c644088d3aae0319411175112385d4e92d2f6bd5b89c03b0f6f140eb24d4b72848b8e2b1105b34

  • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe

    Filesize

    352KB

    MD5

    e76dbb2f998c3ccf78e984001c9207c8

    SHA1

    9c27f473c6d8529f77fdfaac6615265d096b4f85

    SHA256

    ac5afced6515d12cf83466ea2dc0e874c9b5491beba0837a344e0e6093febc07

    SHA512

    ed1eea5ef6d894cb460c00a78bb8363159c6afd52d94446b48c644088d3aae0319411175112385d4e92d2f6bd5b89c03b0f6f140eb24d4b72848b8e2b1105b34

  • C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe

    Filesize

    352KB

    MD5

    e76dbb2f998c3ccf78e984001c9207c8

    SHA1

    9c27f473c6d8529f77fdfaac6615265d096b4f85

    SHA256

    ac5afced6515d12cf83466ea2dc0e874c9b5491beba0837a344e0e6093febc07

    SHA512

    ed1eea5ef6d894cb460c00a78bb8363159c6afd52d94446b48c644088d3aae0319411175112385d4e92d2f6bd5b89c03b0f6f140eb24d4b72848b8e2b1105b34

  • C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe

    Filesize

    352KB

    MD5

    e76dbb2f998c3ccf78e984001c9207c8

    SHA1

    9c27f473c6d8529f77fdfaac6615265d096b4f85

    SHA256

    ac5afced6515d12cf83466ea2dc0e874c9b5491beba0837a344e0e6093febc07

    SHA512

    ed1eea5ef6d894cb460c00a78bb8363159c6afd52d94446b48c644088d3aae0319411175112385d4e92d2f6bd5b89c03b0f6f140eb24d4b72848b8e2b1105b34

  • C:\Users\Admin\AppData\Local\Temp\rAy2t4YY.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • \ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.1MB

    MD5

    700fc96585a4947fcdf27a271d40876f

    SHA1

    121edbdefb9a894ff217f20c963626ec1bd94770

    SHA256

    65a0ece86fe16402e51a637d121bddccfa0d1d026bd0cec7f7ead19c31507eaa

    SHA512

    748d5fd5421bdb51421dc9a33c2a4ca93a66d1afcdeb03a766513b81e05a337e52ad3fdacb852e8e037e7dfffdb3e6cfec3fe376d885a8c8b8da5188cd4c032e

  • \ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.1MB

    MD5

    700fc96585a4947fcdf27a271d40876f

    SHA1

    121edbdefb9a894ff217f20c963626ec1bd94770

    SHA256

    65a0ece86fe16402e51a637d121bddccfa0d1d026bd0cec7f7ead19c31507eaa

    SHA512

    748d5fd5421bdb51421dc9a33c2a4ca93a66d1afcdeb03a766513b81e05a337e52ad3fdacb852e8e037e7dfffdb3e6cfec3fe376d885a8c8b8da5188cd4c032e

  • \ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.1MB

    MD5

    700fc96585a4947fcdf27a271d40876f

    SHA1

    121edbdefb9a894ff217f20c963626ec1bd94770

    SHA256

    65a0ece86fe16402e51a637d121bddccfa0d1d026bd0cec7f7ead19c31507eaa

    SHA512

    748d5fd5421bdb51421dc9a33c2a4ca93a66d1afcdeb03a766513b81e05a337e52ad3fdacb852e8e037e7dfffdb3e6cfec3fe376d885a8c8b8da5188cd4c032e

  • \Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe

    Filesize

    352KB

    MD5

    e76dbb2f998c3ccf78e984001c9207c8

    SHA1

    9c27f473c6d8529f77fdfaac6615265d096b4f85

    SHA256

    ac5afced6515d12cf83466ea2dc0e874c9b5491beba0837a344e0e6093febc07

    SHA512

    ed1eea5ef6d894cb460c00a78bb8363159c6afd52d94446b48c644088d3aae0319411175112385d4e92d2f6bd5b89c03b0f6f140eb24d4b72848b8e2b1105b34

  • \Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe

    Filesize

    352KB

    MD5

    e76dbb2f998c3ccf78e984001c9207c8

    SHA1

    9c27f473c6d8529f77fdfaac6615265d096b4f85

    SHA256

    ac5afced6515d12cf83466ea2dc0e874c9b5491beba0837a344e0e6093febc07

    SHA512

    ed1eea5ef6d894cb460c00a78bb8363159c6afd52d94446b48c644088d3aae0319411175112385d4e92d2f6bd5b89c03b0f6f140eb24d4b72848b8e2b1105b34

  • \Users\Admin\AppData\Local\Temp\._cache_tmp.exe

    Filesize

    352KB

    MD5

    e76dbb2f998c3ccf78e984001c9207c8

    SHA1

    9c27f473c6d8529f77fdfaac6615265d096b4f85

    SHA256

    ac5afced6515d12cf83466ea2dc0e874c9b5491beba0837a344e0e6093febc07

    SHA512

    ed1eea5ef6d894cb460c00a78bb8363159c6afd52d94446b48c644088d3aae0319411175112385d4e92d2f6bd5b89c03b0f6f140eb24d4b72848b8e2b1105b34

  • \Users\Admin\AppData\Local\Temp\._cache_tmp.exe

    Filesize

    352KB

    MD5

    e76dbb2f998c3ccf78e984001c9207c8

    SHA1

    9c27f473c6d8529f77fdfaac6615265d096b4f85

    SHA256

    ac5afced6515d12cf83466ea2dc0e874c9b5491beba0837a344e0e6093febc07

    SHA512

    ed1eea5ef6d894cb460c00a78bb8363159c6afd52d94446b48c644088d3aae0319411175112385d4e92d2f6bd5b89c03b0f6f140eb24d4b72848b8e2b1105b34

  • memory/1580-85-0x0000000000400000-0x000000000051A000-memory.dmp

    Filesize

    1.1MB

  • memory/1580-54-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2680-74-0x0000000010000000-0x0000000010018000-memory.dmp

    Filesize

    96KB

  • memory/2788-130-0x0000000073ECD000-0x0000000073ED8000-memory.dmp

    Filesize

    44KB

  • memory/2788-100-0x0000000073ECD000-0x0000000073ED8000-memory.dmp

    Filesize

    44KB

  • memory/2788-99-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2848-86-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/2848-124-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/2848-123-0x0000000000400000-0x000000000051A000-memory.dmp

    Filesize

    1.1MB

  • memory/2848-134-0x0000000000400000-0x000000000051A000-memory.dmp

    Filesize

    1.1MB

  • memory/2848-169-0x0000000000400000-0x000000000051A000-memory.dmp

    Filesize

    1.1MB