Analysis

  • max time kernel
    122s
  • max time network
    108s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 21:12

General

  • Target

    98b2c86cb83d5ea790d7d61f175fd33f5a1d069cf2de3c8499d30f479b8b46b2.exe

  • Size

    6.0MB

  • MD5

    100b99f7bc89b82a4dd5a328d28ad2c6

  • SHA1

    6713f0680d10349ea4dfccd9b2aed561e3999e34

  • SHA256

    98b2c86cb83d5ea790d7d61f175fd33f5a1d069cf2de3c8499d30f479b8b46b2

  • SHA512

    8e4b520d45c8730244de71619dff422bd46457d639986fcca126b212d84b460bc769791ebb1f989a83a3c6d7d37bab62fe18c10573e6c7bcbb13c2664eb4b064

  • SSDEEP

    98304:kevyjt4HDd7Vl4twi5VIa34s5Hfvtr/62Y6tPYlJpZGCvJpv9bORq0:zvzHpBm6sIw3tTGJpzw

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • Loads dropped DLL 10 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Drops file in Program Files directory 1 IoCs
  • Modifies data under HKEY_USERS 51 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\98b2c86cb83d5ea790d7d61f175fd33f5a1d069cf2de3c8499d30f479b8b46b2.exe
    "C:\Users\Admin\AppData\Local\Temp\98b2c86cb83d5ea790d7d61f175fd33f5a1d069cf2de3c8499d30f479b8b46b2.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:868
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\TrustMix\TrustMix.dll",serv -install
      2⤵
      • Loads dropped DLL
      PID:788
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\TrustMix\TrustMix.dll",serv
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\TrustMix\TrustMix.dll",serv
      2⤵
      • Loads dropped DLL
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      PID:1268

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \??\c:\Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.1MB

    MD5

    a404c1fc8563c73409e664f828bbfb3e

    SHA1

    1bc058428f8d512fd7a73e9558dbc542614c8587

    SHA256

    4e7dfbec0ae12ad3a984cb346f4d1aca38532629231decc6a0d69235040774cf

    SHA512

    8a7ef9bcbd956e24c76b512bb5cf41f104c0ef7418dd3ba05a57792b2abc084de6044008b05215f3c696aa592d4f4312ba4bfe50833c215cd730e2e0e25b728f

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.1MB

    MD5

    a404c1fc8563c73409e664f828bbfb3e

    SHA1

    1bc058428f8d512fd7a73e9558dbc542614c8587

    SHA256

    4e7dfbec0ae12ad3a984cb346f4d1aca38532629231decc6a0d69235040774cf

    SHA512

    8a7ef9bcbd956e24c76b512bb5cf41f104c0ef7418dd3ba05a57792b2abc084de6044008b05215f3c696aa592d4f4312ba4bfe50833c215cd730e2e0e25b728f

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.1MB

    MD5

    a404c1fc8563c73409e664f828bbfb3e

    SHA1

    1bc058428f8d512fd7a73e9558dbc542614c8587

    SHA256

    4e7dfbec0ae12ad3a984cb346f4d1aca38532629231decc6a0d69235040774cf

    SHA512

    8a7ef9bcbd956e24c76b512bb5cf41f104c0ef7418dd3ba05a57792b2abc084de6044008b05215f3c696aa592d4f4312ba4bfe50833c215cd730e2e0e25b728f

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.1MB

    MD5

    a404c1fc8563c73409e664f828bbfb3e

    SHA1

    1bc058428f8d512fd7a73e9558dbc542614c8587

    SHA256

    4e7dfbec0ae12ad3a984cb346f4d1aca38532629231decc6a0d69235040774cf

    SHA512

    8a7ef9bcbd956e24c76b512bb5cf41f104c0ef7418dd3ba05a57792b2abc084de6044008b05215f3c696aa592d4f4312ba4bfe50833c215cd730e2e0e25b728f

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.1MB

    MD5

    a404c1fc8563c73409e664f828bbfb3e

    SHA1

    1bc058428f8d512fd7a73e9558dbc542614c8587

    SHA256

    4e7dfbec0ae12ad3a984cb346f4d1aca38532629231decc6a0d69235040774cf

    SHA512

    8a7ef9bcbd956e24c76b512bb5cf41f104c0ef7418dd3ba05a57792b2abc084de6044008b05215f3c696aa592d4f4312ba4bfe50833c215cd730e2e0e25b728f

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.1MB

    MD5

    a404c1fc8563c73409e664f828bbfb3e

    SHA1

    1bc058428f8d512fd7a73e9558dbc542614c8587

    SHA256

    4e7dfbec0ae12ad3a984cb346f4d1aca38532629231decc6a0d69235040774cf

    SHA512

    8a7ef9bcbd956e24c76b512bb5cf41f104c0ef7418dd3ba05a57792b2abc084de6044008b05215f3c696aa592d4f4312ba4bfe50833c215cd730e2e0e25b728f

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.1MB

    MD5

    a404c1fc8563c73409e664f828bbfb3e

    SHA1

    1bc058428f8d512fd7a73e9558dbc542614c8587

    SHA256

    4e7dfbec0ae12ad3a984cb346f4d1aca38532629231decc6a0d69235040774cf

    SHA512

    8a7ef9bcbd956e24c76b512bb5cf41f104c0ef7418dd3ba05a57792b2abc084de6044008b05215f3c696aa592d4f4312ba4bfe50833c215cd730e2e0e25b728f

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.1MB

    MD5

    a404c1fc8563c73409e664f828bbfb3e

    SHA1

    1bc058428f8d512fd7a73e9558dbc542614c8587

    SHA256

    4e7dfbec0ae12ad3a984cb346f4d1aca38532629231decc6a0d69235040774cf

    SHA512

    8a7ef9bcbd956e24c76b512bb5cf41f104c0ef7418dd3ba05a57792b2abc084de6044008b05215f3c696aa592d4f4312ba4bfe50833c215cd730e2e0e25b728f

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.1MB

    MD5

    a404c1fc8563c73409e664f828bbfb3e

    SHA1

    1bc058428f8d512fd7a73e9558dbc542614c8587

    SHA256

    4e7dfbec0ae12ad3a984cb346f4d1aca38532629231decc6a0d69235040774cf

    SHA512

    8a7ef9bcbd956e24c76b512bb5cf41f104c0ef7418dd3ba05a57792b2abc084de6044008b05215f3c696aa592d4f4312ba4bfe50833c215cd730e2e0e25b728f

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.1MB

    MD5

    a404c1fc8563c73409e664f828bbfb3e

    SHA1

    1bc058428f8d512fd7a73e9558dbc542614c8587

    SHA256

    4e7dfbec0ae12ad3a984cb346f4d1aca38532629231decc6a0d69235040774cf

    SHA512

    8a7ef9bcbd956e24c76b512bb5cf41f104c0ef7418dd3ba05a57792b2abc084de6044008b05215f3c696aa592d4f4312ba4bfe50833c215cd730e2e0e25b728f

  • \Users\Admin\AppData\Local\Temp\tf00294823.dll

    Filesize

    4.1MB

    MD5

    a404c1fc8563c73409e664f828bbfb3e

    SHA1

    1bc058428f8d512fd7a73e9558dbc542614c8587

    SHA256

    4e7dfbec0ae12ad3a984cb346f4d1aca38532629231decc6a0d69235040774cf

    SHA512

    8a7ef9bcbd956e24c76b512bb5cf41f104c0ef7418dd3ba05a57792b2abc084de6044008b05215f3c696aa592d4f4312ba4bfe50833c215cd730e2e0e25b728f

  • memory/788-66-0x0000000000000000-mapping.dmp

  • memory/788-73-0x000000007EC60000-0x000000007EFA6000-memory.dmp

    Filesize

    3.3MB

  • memory/868-61-0x000000007E610000-0x000000007E956000-memory.dmp

    Filesize

    3.3MB

  • memory/868-54-0x000000007EAA0000-0x000000007EFB0000-memory.dmp

    Filesize

    5.1MB

  • memory/868-59-0x00000000753D1000-0x00000000753D3000-memory.dmp

    Filesize

    8KB

  • memory/1268-78-0x0000000000000000-mapping.dmp

  • memory/1268-84-0x000000007EC60000-0x000000007EFA6000-memory.dmp

    Filesize

    3.3MB