Analysis

  • max time kernel
    126s
  • max time network
    73s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    15-04-2023 12:47

General

  • Target

    microsoft-word_h-dIlh1.exe

  • Size

    1.7MB

  • MD5

    99a9fbd5fee72ce51585309390a46717

  • SHA1

    ff39c56312090a909c2c0c82629c552a3b252a98

  • SHA256

    833064195b0c96bce9a8c00dc95df6bd9fce1092c1260ba0e877810bfc44b0aa

  • SHA512

    97f9a98fb48c8281818163d3dbe66fa246e1fe6a5a67f15175419992b0ca389cbe086e457177c21ce9c99ff05a1e0b508812cdf30220090a438dd8c94f73c6b7

  • SSDEEP

    24576:R4nXubIQGyxbPV0db26Wmd0l4sv1Et9uGpckT52zedlq89Ws5uIzk5aM/phdO7:Rqe3f61mZSffPMWrQ0ZkA

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\microsoft-word_h-dIlh1.exe
    "C:\Users\Admin\AppData\Local\Temp\microsoft-word_h-dIlh1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:920
    • C:\Users\Admin\AppData\Local\Temp\is-SJSKL.tmp\microsoft-word_h-dIlh1.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-SJSKL.tmp\microsoft-word_h-dIlh1.tmp" /SL5="$70122,831488,831488,C:\Users\Admin\AppData\Local\Temp\microsoft-word_h-dIlh1.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system certificate store
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:916
      • C:\Users\Admin\AppData\Local\Temp\is-0RG2R.tmp\file_h-dIlh1.exe
        "C:\Users\Admin\AppData\Local\Temp\is-0RG2R.tmp\file_h-dIlh1.exe" /LANG=en /NA=Rh85hR64
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1656
        • C:\Users\Admin\AppData\Local\Temp\is-G9MV5.tmp\file_h-dIlh1.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-G9MV5.tmp\file_h-dIlh1.tmp" /SL5="$201B4,1559708,780800,C:\Users\Admin\AppData\Local\Temp\is-0RG2R.tmp\file_h-dIlh1.exe" /LANG=en /NA=Rh85hR64
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks processor information in registry
          • Modifies system certificate store
          PID:1672

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

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

    61KB

    MD5

    e71c8443ae0bc2e282c73faead0a6dd3

    SHA1

    0c110c1b01e68edfacaeae64781a37b1995fa94b

    SHA256

    95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

    SHA512

    b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

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

    342B

    MD5

    8d0be62316aad1b6d6d544c3e34889ec

    SHA1

    5dc1c6afe117c1d0a9ec4f9bd323a02f42be39ff

    SHA256

    da24aa3fe9e98a71c11489b4e5daac9bffaeb9bde90d2241a78d8d29c280c112

    SHA512

    498184c15f73b4f772c5d7ec7197a01f1aa9239db9dd09b6f9ed9611542ddcdc09c59e48c4b6481b95ec54a463f5af87cfe1ee4db807abe55e002ec5c858d813

  • C:\Users\Admin\AppData\Local\Temp\Tar4542.tmp
    Filesize

    161KB

    MD5

    be2bec6e8c5653136d3e72fe53c98aa3

    SHA1

    a8182d6db17c14671c3d5766c72e58d87c0810de

    SHA256

    1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

    SHA512

    0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

  • C:\Users\Admin\AppData\Local\Temp\is-0RG2R.tmp\file_h-dIlh1.exe
    Filesize

    2.3MB

    MD5

    4c05e609261b68805652e53d6159981b

    SHA1

    b4405806c44d3834032b11fce461b6d3851bfa1b

    SHA256

    e33ced05e9fcba1399629e8bed33d4e79f6aca5933513d3eb22eb372342244e5

    SHA512

    31148121092bc94f6eaa85677c28c365379ba5899978270b249f6c4b76e78799bda50cfe61d619cce6cd45b1ba2a7fe719261834f43b82a38e2777d74627abd1

  • C:\Users\Admin\AppData\Local\Temp\is-0RG2R.tmp\file_h-dIlh1.exe
    Filesize

    2.3MB

    MD5

    4c05e609261b68805652e53d6159981b

    SHA1

    b4405806c44d3834032b11fce461b6d3851bfa1b

    SHA256

    e33ced05e9fcba1399629e8bed33d4e79f6aca5933513d3eb22eb372342244e5

    SHA512

    31148121092bc94f6eaa85677c28c365379ba5899978270b249f6c4b76e78799bda50cfe61d619cce6cd45b1ba2a7fe719261834f43b82a38e2777d74627abd1

  • C:\Users\Admin\AppData\Local\Temp\is-G9MV5.tmp\file_h-dIlh1.tmp
    Filesize

    2.9MB

    MD5

    623a3abd7b318e1f410b1e12a42c7b71

    SHA1

    88e34041850ec4019dae469adc608e867b936d21

    SHA256

    fe1a4555d18617532248d2eaa8d3fcc2c74182f994a964a62cf418295e8554d3

    SHA512

    9afea88e4617e0f11416c2a2c416a6aa2d5d1f702d98d2cc223b399736191a6d002d1b717020ca6aae09e835c6356b7ddafad71e101dacab15967d89a105e391

  • C:\Users\Admin\AppData\Local\Temp\is-QAG3J.tmp\mainlogo.png
    Filesize

    4KB

    MD5

    58a514d632057ffecc884811a5bd5128

    SHA1

    22bbd9686e1c1c7fca24f3f3f852efe3159e39c2

    SHA256

    e82d6508546477b808c4f29da75d03691d519c21ad6d6de8a9a7808015f47c1d

    SHA512

    144d9a5b2711055697ddce6185cc27c138cec6c09fd230a920bf42039a6afece369f1aa7c50e0b85abf5996247d7c50f580efa2c64219927d57e4b7e07ac6dac

  • C:\Users\Admin\AppData\Local\Temp\is-SJSKL.tmp\microsoft-word_h-dIlh1.tmp
    Filesize

    3.0MB

    MD5

    0c229cd26910820581b5809c62fe5619

    SHA1

    28c0630385b21f29e3e2bcc34865e5d15726eaa0

    SHA256

    abfa49a915d2e0a82561ca440365e6a2d59f228533b56a8f78addf000a1081b3

    SHA512

    b8ff3dc65f7c0e03721572af738ec4886ba895dc70c1a41a3ce8c8abe0946d167cec71913017fd11d5892452db761ea88901a5a09a681ae779dd531edbb83a2a

  • \Users\Admin\AppData\Local\Temp\is-0RG2R.tmp\file_h-dIlh1.exe
    Filesize

    2.3MB

    MD5

    4c05e609261b68805652e53d6159981b

    SHA1

    b4405806c44d3834032b11fce461b6d3851bfa1b

    SHA256

    e33ced05e9fcba1399629e8bed33d4e79f6aca5933513d3eb22eb372342244e5

    SHA512

    31148121092bc94f6eaa85677c28c365379ba5899978270b249f6c4b76e78799bda50cfe61d619cce6cd45b1ba2a7fe719261834f43b82a38e2777d74627abd1

  • \Users\Admin\AppData\Local\Temp\is-G9MV5.tmp\file_h-dIlh1.tmp
    Filesize

    2.9MB

    MD5

    623a3abd7b318e1f410b1e12a42c7b71

    SHA1

    88e34041850ec4019dae469adc608e867b936d21

    SHA256

    fe1a4555d18617532248d2eaa8d3fcc2c74182f994a964a62cf418295e8554d3

    SHA512

    9afea88e4617e0f11416c2a2c416a6aa2d5d1f702d98d2cc223b399736191a6d002d1b717020ca6aae09e835c6356b7ddafad71e101dacab15967d89a105e391

  • \Users\Admin\AppData\Local\Temp\is-QAG3J.tmp\Helper.dll
    Filesize

    2.0MB

    MD5

    4eb0347e66fa465f602e52c03e5c0b4b

    SHA1

    fdfedb72614d10766565b7f12ab87f1fdca3ea81

    SHA256

    c73e53cbb7b98feafe27cc7de8fdad51df438e2235e91891461c5123888f73cc

    SHA512

    4c909a451059628119f92b2f0c8bcd67b31f63b57d5339b6ce8fd930be5c9baf261339fdd9da820321be497df8889ce7594b7bfaadbaa43c694156651bf6c1fd

  • \Users\Admin\AppData\Local\Temp\is-QAG3J.tmp\botva2.dll
    Filesize

    37KB

    MD5

    67965a5957a61867d661f05ae1f4773e

    SHA1

    f14c0a4f154dc685bb7c65b2d804a02a0fb2360d

    SHA256

    450b9b0ba25bf068afbc2b23d252585a19e282939bf38326384ea9112dfd0105

    SHA512

    c6942818b9026dc5db2d62999d32cf99fe7289f79a28b8345af17acf9d13b2229a5e917a48ff1f6d59715bdbcb00c1625e0302abcfe10ca7e0475762e0a3f41b

  • \Users\Admin\AppData\Local\Temp\is-SJSKL.tmp\microsoft-word_h-dIlh1.tmp
    Filesize

    3.0MB

    MD5

    0c229cd26910820581b5809c62fe5619

    SHA1

    28c0630385b21f29e3e2bcc34865e5d15726eaa0

    SHA256

    abfa49a915d2e0a82561ca440365e6a2d59f228533b56a8f78addf000a1081b3

    SHA512

    b8ff3dc65f7c0e03721572af738ec4886ba895dc70c1a41a3ce8c8abe0946d167cec71913017fd11d5892452db761ea88901a5a09a681ae779dd531edbb83a2a

  • memory/916-228-0x0000000000400000-0x000000000071A000-memory.dmp
    Filesize

    3.1MB

  • memory/916-243-0x0000000000400000-0x000000000071A000-memory.dmp
    Filesize

    3.1MB

  • memory/916-186-0x00000000001E0000-0x00000000001E1000-memory.dmp
    Filesize

    4KB

  • memory/916-185-0x0000000000400000-0x000000000071A000-memory.dmp
    Filesize

    3.1MB

  • memory/916-61-0x00000000001E0000-0x00000000001E1000-memory.dmp
    Filesize

    4KB

  • memory/920-184-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB

  • memory/920-245-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB

  • memory/920-54-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB

  • memory/1656-197-0x0000000000400000-0x00000000004CC000-memory.dmp
    Filesize

    816KB

  • memory/1656-229-0x0000000000400000-0x00000000004CC000-memory.dmp
    Filesize

    816KB

  • memory/1672-213-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB

  • memory/1672-231-0x0000000007540000-0x000000000754F000-memory.dmp
    Filesize

    60KB

  • memory/1672-234-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB

  • memory/1672-230-0x0000000000400000-0x00000000006EE000-memory.dmp
    Filesize

    2.9MB

  • memory/1672-221-0x0000000007540000-0x000000000754F000-memory.dmp
    Filesize

    60KB