Analysis

  • max time kernel
    47s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2023 10:41

General

  • Target

    833064195b0c96bce9a8c00dc95df6bd9fce1092c1260ba0e877810bfc44b0aa.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
  • 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\833064195b0c96bce9a8c00dc95df6bd9fce1092c1260ba0e877810bfc44b0aa.exe
    "C:\Users\Admin\AppData\Local\Temp\833064195b0c96bce9a8c00dc95df6bd9fce1092c1260ba0e877810bfc44b0aa.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:788
    • C:\Users\Admin\AppData\Local\Temp\is-VN42F.tmp\833064195b0c96bce9a8c00dc95df6bd9fce1092c1260ba0e877810bfc44b0aa.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-VN42F.tmp\833064195b0c96bce9a8c00dc95df6bd9fce1092c1260ba0e877810bfc44b0aa.tmp" /SL5="$70124,831488,831488,C:\Users\Admin\AppData\Local\Temp\833064195b0c96bce9a8c00dc95df6bd9fce1092c1260ba0e877810bfc44b0aa.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system certificate store
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1728
      • C:\Users\Admin\AppData\Local\Temp\is-A12VS.tmp\file_.exe
        "C:\Users\Admin\AppData\Local\Temp\is-A12VS.tmp\file_.exe" /LANG=en /NA=Rh85hR64
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1468
        • C:\Users\Admin\AppData\Local\Temp\is-FHOH5.tmp\file_.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-FHOH5.tmp\file_.tmp" /SL5="$201BA,1559708,780800,C:\Users\Admin\AppData\Local\Temp\is-A12VS.tmp\file_.exe" /LANG=en /NA=Rh85hR64
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Modifies system certificate store
          PID:1524

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-A12VS.tmp\file_.exe
    Filesize

    2.3MB

    MD5

    c3c3873d5d023bfe762c475523d09532

    SHA1

    dde1011ccb1555fc903e0039decf79897a60ac3f

    SHA256

    edf62da9f3624661af0d09b2e13ea81925702c286444169ab4db202ffe67da9a

    SHA512

    e9895636a6a8c7575a4f02287df64c0aca5bb17008f8d61345d98e0c85ae82fa13680bfafeca90b001c8077e93190fda77523dd8c9a6b8e291aa661b47f22524

  • C:\Users\Admin\AppData\Local\Temp\is-A12VS.tmp\file_.exe
    Filesize

    2.3MB

    MD5

    c3c3873d5d023bfe762c475523d09532

    SHA1

    dde1011ccb1555fc903e0039decf79897a60ac3f

    SHA256

    edf62da9f3624661af0d09b2e13ea81925702c286444169ab4db202ffe67da9a

    SHA512

    e9895636a6a8c7575a4f02287df64c0aca5bb17008f8d61345d98e0c85ae82fa13680bfafeca90b001c8077e93190fda77523dd8c9a6b8e291aa661b47f22524

  • C:\Users\Admin\AppData\Local\Temp\is-FHOH5.tmp\file_.tmp
    Filesize

    2.9MB

    MD5

    623a3abd7b318e1f410b1e12a42c7b71

    SHA1

    88e34041850ec4019dae469adc608e867b936d21

    SHA256

    fe1a4555d18617532248d2eaa8d3fcc2c74182f994a964a62cf418295e8554d3

    SHA512

    9afea88e4617e0f11416c2a2c416a6aa2d5d1f702d98d2cc223b399736191a6d002d1b717020ca6aae09e835c6356b7ddafad71e101dacab15967d89a105e391

  • C:\Users\Admin\AppData\Local\Temp\is-VN42F.tmp\833064195b0c96bce9a8c00dc95df6bd9fce1092c1260ba0e877810bfc44b0aa.tmp
    Filesize

    3.0MB

    MD5

    0c229cd26910820581b5809c62fe5619

    SHA1

    28c0630385b21f29e3e2bcc34865e5d15726eaa0

    SHA256

    abfa49a915d2e0a82561ca440365e6a2d59f228533b56a8f78addf000a1081b3

    SHA512

    b8ff3dc65f7c0e03721572af738ec4886ba895dc70c1a41a3ce8c8abe0946d167cec71913017fd11d5892452db761ea88901a5a09a681ae779dd531edbb83a2a

  • \Users\Admin\AppData\Local\Temp\is-A12VS.tmp\file_.exe
    Filesize

    2.3MB

    MD5

    c3c3873d5d023bfe762c475523d09532

    SHA1

    dde1011ccb1555fc903e0039decf79897a60ac3f

    SHA256

    edf62da9f3624661af0d09b2e13ea81925702c286444169ab4db202ffe67da9a

    SHA512

    e9895636a6a8c7575a4f02287df64c0aca5bb17008f8d61345d98e0c85ae82fa13680bfafeca90b001c8077e93190fda77523dd8c9a6b8e291aa661b47f22524

  • \Users\Admin\AppData\Local\Temp\is-FHOH5.tmp\file_.tmp
    Filesize

    2.9MB

    MD5

    623a3abd7b318e1f410b1e12a42c7b71

    SHA1

    88e34041850ec4019dae469adc608e867b936d21

    SHA256

    fe1a4555d18617532248d2eaa8d3fcc2c74182f994a964a62cf418295e8554d3

    SHA512

    9afea88e4617e0f11416c2a2c416a6aa2d5d1f702d98d2cc223b399736191a6d002d1b717020ca6aae09e835c6356b7ddafad71e101dacab15967d89a105e391

  • \Users\Admin\AppData\Local\Temp\is-Q4L40.tmp\Helper.dll
    Filesize

    2.0MB

    MD5

    4eb0347e66fa465f602e52c03e5c0b4b

    SHA1

    fdfedb72614d10766565b7f12ab87f1fdca3ea81

    SHA256

    c73e53cbb7b98feafe27cc7de8fdad51df438e2235e91891461c5123888f73cc

    SHA512

    4c909a451059628119f92b2f0c8bcd67b31f63b57d5339b6ce8fd930be5c9baf261339fdd9da820321be497df8889ce7594b7bfaadbaa43c694156651bf6c1fd

  • \Users\Admin\AppData\Local\Temp\is-Q4L40.tmp\botva2.dll
    Filesize

    37KB

    MD5

    67965a5957a61867d661f05ae1f4773e

    SHA1

    f14c0a4f154dc685bb7c65b2d804a02a0fb2360d

    SHA256

    450b9b0ba25bf068afbc2b23d252585a19e282939bf38326384ea9112dfd0105

    SHA512

    c6942818b9026dc5db2d62999d32cf99fe7289f79a28b8345af17acf9d13b2229a5e917a48ff1f6d59715bdbcb00c1625e0302abcfe10ca7e0475762e0a3f41b

  • \Users\Admin\AppData\Local\Temp\is-VN42F.tmp\833064195b0c96bce9a8c00dc95df6bd9fce1092c1260ba0e877810bfc44b0aa.tmp
    Filesize

    3.0MB

    MD5

    0c229cd26910820581b5809c62fe5619

    SHA1

    28c0630385b21f29e3e2bcc34865e5d15726eaa0

    SHA256

    abfa49a915d2e0a82561ca440365e6a2d59f228533b56a8f78addf000a1081b3

    SHA512

    b8ff3dc65f7c0e03721572af738ec4886ba895dc70c1a41a3ce8c8abe0946d167cec71913017fd11d5892452db761ea88901a5a09a681ae779dd531edbb83a2a

  • memory/788-79-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB

  • memory/788-61-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB

  • memory/788-54-0x00000000763D1000-0x00000000763D3000-memory.dmp
    Filesize

    8KB

  • memory/788-55-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB

  • memory/1468-67-0x0000000000400000-0x00000000004CC000-memory.dmp
    Filesize

    816KB

  • memory/1468-74-0x0000000000400000-0x00000000004CC000-memory.dmp
    Filesize

    816KB

  • memory/1468-64-0x0000000000000000-mapping.dmp
  • memory/1468-78-0x0000000000400000-0x00000000004CC000-memory.dmp
    Filesize

    816KB

  • memory/1524-71-0x0000000000000000-mapping.dmp
  • memory/1524-77-0x0000000004C70000-0x0000000004C7F000-memory.dmp
    Filesize

    60KB

  • memory/1728-62-0x0000000074A81000-0x0000000074A83000-memory.dmp
    Filesize

    8KB

  • memory/1728-58-0x0000000000000000-mapping.dmp