Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-08-2024 05:40

General

  • Target

    d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f.exe

  • Size

    92KB

  • MD5

    be9388b42333b3d4e163b0ace699897b

  • SHA1

    4e1109772eb9cb59c557380822166fe1664403bd

  • SHA256

    d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f

  • SHA512

    5f887f1060b898c9a88745cde7cf509fdf42947ab8e5948b46c2df659468dc245b24d089bdbec0b314c40b83934698bf4b6feb8954e32810ff8f522aab0af19a

  • SSDEEP

    1536:s9Ww4/inFmav82M1KeKKHqW4KYFqkKUSne1wjAUG94wU3K:UWwohOT44KktKGa87U3K

Malware Config

Extracted

Family

phorphiex

C2

http://185.215.113.66/

http://91.202.233.141/

Wallets

0xCa90599132C4D88907Bd8E046540284aa468a035

TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6

qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

XryzFMFVpDUvU7famUGf214EXD3xNUSmQf

LLeT2zkStY3cvxMBFhoWXkG5VuZPoezduv

rwc4LVd9ABpULQ1CuCpDkgX2xVB1fUijyb

4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK

15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC

17hgMFyLDwMjxWqw5GhijhnPdJDyFDqecY

ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp

3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc

3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3

DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA

t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh

stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj

bnb1epx67ne4vckqmaj4gwke8m322f4yjr6eh52wqw

bc1qmpkehfffkr6phuklsksnd7nhgx0369sxu772m3

bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3

Attributes
  • mutex

    x88767657x

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Signatures

  • Modifies security service 2 TTPs 1 IoCs
  • Phorphiex payload 1 IoCs
  • Phorphiex, Phorpiex

    Phorphiex or Phorpiex Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.

  • Windows security bypass 2 TTPs 6 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Downloads MZ/PE file
  • Stops running service(s) 4 TTPs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Launches sc.exe 5 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f.exe
    "C:\Users\Admin\AppData\Local\Temp\d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3936
    • C:\Windows\sysmysldrv.exe
      C:\Windows\sysmysldrv.exe
      2⤵
      • Modifies security service
      • Windows security bypass
      • Checks computer location settings
      • Executes dropped EXE
      • Windows security modification
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4564
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c powershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3640
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4796
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop DoSvc & sc stop BITS
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:688
        • C:\Windows\SysWOW64\sc.exe
          sc stop UsoSvc
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:2716
        • C:\Windows\SysWOW64\sc.exe
          sc stop WaaSMedicSvc
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:4920
        • C:\Windows\SysWOW64\sc.exe
          sc stop wuauserv
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:1696
        • C:\Windows\SysWOW64\sc.exe
          sc stop DoSvc
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:4904
        • C:\Windows\SysWOW64\sc.exe
          sc stop BITS
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:2428
      • C:\Users\Admin\AppData\Local\Temp\2292723277.exe
        C:\Users\Admin\AppData\Local\Temp\2292723277.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4636
        • C:\Users\Admin\AppData\Local\Temp\1134213163.exe
          C:\Users\Admin\AppData\Local\Temp\1134213163.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4628
      • C:\Users\Admin\AppData\Local\Temp\330627886.exe
        C:\Users\Admin\AppData\Local\Temp\330627886.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3996
      • C:\Users\Admin\AppData\Local\Temp\52557366.exe
        C:\Users\Admin\AppData\Local\Temp\52557366.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\1134213163.exe

    Filesize

    20KB

    MD5

    1382c0a4a9e0a9a2c942458652a4a0e4

    SHA1

    55ed8ebd6281c280c3e77763773d789a6057e743

    SHA256

    4cb590dfafb7653379326e840d9b904a3cf05451999c4f9eb66c6e7116b68875

    SHA512

    cc1ba7e779536b57409c974f16b0d8706fdf8749fb9eca36716d4e84d4f420a650b6476ac08570e684ad1e492da3bbacc15a4e5be4b94a1b708909d683da0b7e

  • C:\Users\Admin\AppData\Local\Temp\2292723277.exe

    Filesize

    10KB

    MD5

    c9f914032fd3cf74870f98a3747bc8af

    SHA1

    eb4829b8999142b05bee0a6ac066fc239d022021

    SHA256

    dc65526eac36f02634d70991f4d62029828b95e8f7be0d030953f010f1ced9f2

    SHA512

    4368bac8a660810bb0584c237fc98a96c61d9a2ade6c9340bb01cebf9e9ef8cff168cb791d558204ea2f76f04b4e02e23a42ec8d41f958b927c96d4898be6ba7

  • C:\Users\Admin\AppData\Local\Temp\330627886.exe

    Filesize

    26KB

    MD5

    dd38c184ccddb368892ed3959fe16649

    SHA1

    7d09903845cc3ee23e7993a29353092775b40712

    SHA256

    1f7e603bbe76711bca8493feb5a4660e4e69ed76af118db1aa3a0dc0d73c5bf1

    SHA512

    2b433e529201a774b42b567799589547fd89d5593dfdf49a43704b2f157eff7dcc7cb8daa20870920fb33866a2114a6fb8c06709cbb61aa627223c09c402effd

  • C:\Users\Admin\AppData\Local\Temp\52557366.exe

    Filesize

    18KB

    MD5

    77c99406da9f5d941c7f5d802f3a5652

    SHA1

    cae300c6dba3a9943a6fef42077e977b37318acb

    SHA256

    104a41ff5534cd2f92f8059bb2091a43a114d5cc29b0044950f88199f2b3f39f

    SHA512

    59b9c47428280266b17743918e4bcd32f314252091f3fa5f641ec3b64acca3c89e795d6c541e3e194b150def560bde5a710c0b27a9d4ea41393df73cba6812af

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wur2aili.kxn.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Windows\sysmysldrv.exe

    Filesize

    92KB

    MD5

    be9388b42333b3d4e163b0ace699897b

    SHA1

    4e1109772eb9cb59c557380822166fe1664403bd

    SHA256

    d281e0a0f1e1073f2d290a7eb1f77bed4c210dbf83a0f4f4e22073f50faa843f

    SHA512

    5f887f1060b898c9a88745cde7cf509fdf42947ab8e5948b46c2df659468dc245b24d089bdbec0b314c40b83934698bf4b6feb8954e32810ff8f522aab0af19a

  • memory/4796-33-0x0000000005FD0000-0x0000000005FEE000-memory.dmp

    Filesize

    120KB

  • memory/4796-38-0x0000000006FA0000-0x0000000007036000-memory.dmp

    Filesize

    600KB

  • memory/4796-20-0x00000000059D0000-0x00000000059EE000-memory.dmp

    Filesize

    120KB

  • memory/4796-21-0x0000000005A80000-0x0000000005ACC000-memory.dmp

    Filesize

    304KB

  • memory/4796-22-0x00000000069A0000-0x00000000069D2000-memory.dmp

    Filesize

    200KB

  • memory/4796-23-0x000000006F890000-0x000000006F8DC000-memory.dmp

    Filesize

    304KB

  • memory/4796-9-0x00000000053E0000-0x0000000005446000-memory.dmp

    Filesize

    408KB

  • memory/4796-34-0x0000000006BF0000-0x0000000006C93000-memory.dmp

    Filesize

    652KB

  • memory/4796-35-0x00000000073C0000-0x0000000007A3A000-memory.dmp

    Filesize

    6.5MB

  • memory/4796-36-0x0000000006D40000-0x0000000006D5A000-memory.dmp

    Filesize

    104KB

  • memory/4796-37-0x0000000006D90000-0x0000000006D9A000-memory.dmp

    Filesize

    40KB

  • memory/4796-19-0x00000000055E0000-0x0000000005934000-memory.dmp

    Filesize

    3.3MB

  • memory/4796-39-0x0000000006F30000-0x0000000006F41000-memory.dmp

    Filesize

    68KB

  • memory/4796-40-0x0000000006F60000-0x0000000006F6E000-memory.dmp

    Filesize

    56KB

  • memory/4796-41-0x0000000006F70000-0x0000000006F84000-memory.dmp

    Filesize

    80KB

  • memory/4796-42-0x0000000007060000-0x000000000707A000-memory.dmp

    Filesize

    104KB

  • memory/4796-43-0x0000000007040000-0x0000000007048000-memory.dmp

    Filesize

    32KB

  • memory/4796-8-0x0000000005240000-0x00000000052A6000-memory.dmp

    Filesize

    408KB

  • memory/4796-7-0x0000000004A40000-0x0000000004A62000-memory.dmp

    Filesize

    136KB

  • memory/4796-6-0x0000000004BA0000-0x00000000051C8000-memory.dmp

    Filesize

    6.2MB

  • memory/4796-5-0x0000000002420000-0x0000000002456000-memory.dmp

    Filesize

    216KB