Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2024 20:11

General

  • Target

    4363463463464363463463463.exe

  • Size

    10KB

  • MD5

    2a94f3960c58c6e70826495f76d00b85

  • SHA1

    e2a1a5641295f5ebf01a37ac1c170ac0814bb71a

  • SHA256

    2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce

  • SHA512

    fbf55b55fcfb12eb8c029562956229208b9e8e2591859d6336c28a590c92a4d0f7033a77c46ef6ebe07ddfca353aba1e84b51907cd774beab148ee901c92d62f

  • SSDEEP

    192:xlwayyHOXGc20L7BIW12n/ePSjiTlzkGu8stYcFwVc03KY:xlwwHe/20PKn/cLTlHuptYcFwVc03K

Malware Config

Extracted

Family

phorphiex

C2

http://185.215.113.66/

http://91.202.233.141/

Wallets

0xCa90599132C4D88907Bd8E046540284aa468a035

TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6

qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

XryzFMFVpDUvU7famUGf214EXD3xNUSmQf

rsXCXBf9SagxV8JfC12d8Bybk84oPdMNN9

AULzfBuUAPfCGAXoG5Vq14aP9s6fx3AH4Z

LdgchXq1sKbAaAJ1EXAPSRBzLb8jnTZstT

MP8GEm8QpYgQYaMo8oM5NQhRBgDGiLZW5Q

4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK

15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC

1BzmrjmKPKSR2hH5BeJySfiVA676E8DYaK

ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp

3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc

3ESHude8zUHksQg1h6hHmzY79BS36L91Yn

DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA

t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh

stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj

bnb1msyt0djx4ecspfxg5en0ye465kg3kmv9utzml2

bc1ppypcmu3684n648gyj62gjp2rw0xy7w3vwfamatlg29ajp4z52desafa0sr

bc1qc9edl4hzl9jyt8twdad3zjeh2df2znq96tdezd

Attributes
  • mutex

    753f85d83d

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Extracted

Family

quasar

Version

1.4.1

Botnet

Test

C2

193.161.193.99:35184

67.205.154.243:35184

Mutex

9cabbafb-503b-49f1-ab22-adc756455c10

Attributes
  • encryption_key

    8B93C77AC1C58EA80A3327E9FD26246A79EF3B8E

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    MS Build Tools

  • subdirectory

    Microsoft-Build-Tools

Signatures

  • Phorphiex family
  • 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.

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 17 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Detects Pyinstaller 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies system certificate store 2 TTPs 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4363463463464363463463463.exe
    "C:\Users\Admin\AppData\Local\Temp\4363463463464363463463463.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2880
    • C:\Users\Admin\AppData\Local\Temp\Files\malware.exe
      "C:\Users\Admin\AppData\Local\Temp\Files\malware.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:2380
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -command Expand-Archive "tor-win32-0.3.4.9.zip" " TorFiles"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1968
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /K TorFiles\tor\tor.exe --nt-service --HTTPTunnelPort 8118
        3⤵
          PID:2940
      • C:\Users\Admin\AppData\Local\Temp\Files\7z.exe
        "C:\Users\Admin\AppData\Local\Temp\Files\7z.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2428
      • C:\Users\Admin\AppData\Local\Temp\Files\main.exe
        "C:\Users\Admin\AppData\Local\Temp\Files\main.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1524
        • C:\Users\Admin\AppData\Local\Temp\Files\main.exe
          "C:\Users\Admin\AppData\Local\Temp\Files\main.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2260
      • C:\Users\Admin\AppData\Local\Temp\Files\s.exe
        "C:\Users\Admin\AppData\Local\Temp\Files\s.exe"
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:296
        • C:\Windows\sysnldcvmr.exe
          C:\Windows\sysnldcvmr.exe
          3⤵
          • Executes dropped EXE
          PID:800
      • C:\Users\Admin\AppData\Local\Temp\Files\caspol.exe
        "C:\Users\Admin\AppData\Local\Temp\Files\caspol.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1596
      • C:\Users\Admin\AppData\Local\Temp\Files\Client-built.exe
        "C:\Users\Admin\AppData\Local\Temp\Files\Client-built.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2492

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      342B

      MD5

      63f1b63e80bf34bd3fe157b58daa6555

      SHA1

      52e9b77bfe7180b992f837d800b02e03e462f146

      SHA256

      ec09c4ccd364de412608ee3477e3ae33bcbc235473c0d5d322c1324c8126f722

      SHA512

      c7de81186aae2e54d1b31f0a893578631b3d6fb20f5472efcb7babf50d77597f41aa20d6ef4eb0f0cd4ef8b983ad517d25a69999fbebe414dcffc2b50adf61ce

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

      Filesize

      342B

      MD5

      f0f665d136b45874a2a9997674914d8e

      SHA1

      498cf0e5c7d3d7c7e32d924a3da0ab8338946be6

      SHA256

      d52449ad9f6604260e29e50d153bdfc004adee112e582da1a13fd67064419a0a

      SHA512

      52fb0a791a5455ef2d1007bf213f90b837223b42af48d705b10aa5b0c8be67de96549761b4cd653426df1f0cdc8da53464ead62e76da8c94bfc6f4a2d5c572fc

    • C:\Users\Admin\AppData\Local\Temp\Cab6EDB.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\Files\7z.exe

      Filesize

      335KB

      MD5

      76a0b06f3cc4a124682d24e129f5029b

      SHA1

      404e21ebbaa29cae6a259c0f7cb80b8d03c9e4c0

      SHA256

      3092f736f9f4fc0ecc00a4d27774f9e09b6f1d6eee8acc1b45667fe1808646a6

      SHA512

      536fdb61cbcd66323051becf02772f6f47b41a4959a73fa27bf88fe85d17f44694e1f2d51c432382132549d54bd70da6ffe33ad3d041b66771302cc26673aec7

    • C:\Users\Admin\AppData\Local\Temp\Tar6F1D.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • C:\Users\Admin\AppData\Local\Temp\_MEI15242\api-ms-win-core-localization-l1-2-0.dll

      Filesize

      19KB

      MD5

      fd59ee6be2136782225dcd86f8177239

      SHA1

      494d20e04f69676c150944e24e4fa714a3f781ca

      SHA256

      1fd044fdbc424779b01b79d477ee79dfbb508a04e86c62e1c8fc4f6d22f6a16a

      SHA512

      2250d54c3b9e6aeb2f5406e1428536564357a48ceab51596b33ff0843086fb420ad886af61725b25a58e2f50a4c17ddee10696d6041db9b60891eff8e495775c

    • C:\Users\Admin\AppData\Local\Temp\_MEI15242\api-ms-win-core-processthreads-l1-1-1.dll

      Filesize

      19KB

      MD5

      8ff0692d32f2fcb0b417220b98f30364

      SHA1

      5eeb1d781d44e4885284c8b535f051efca64aef8

      SHA256

      53cea73c248a49389bc2da01acac1d8e8022a7e034bcd522306e43a937200897

      SHA512

      f73249f70953c537da02b890308cb18a9c6676401975bf13aeb61b1db9dfa042e908c52ee266b404948a568b23b0cfb37ecd4b80379c398c15f56ce7a82cf7a5

    • C:\Users\Admin\AppData\Local\Temp\_MEI15242\python312.dll

      Filesize

      6.6MB

      MD5

      cae8fa4e7cb32da83acf655c2c39d9e1

      SHA1

      7a0055588a2d232be8c56791642cb0f5abbc71f8

      SHA256

      8ad53c67c2b4db4387d5f72ee2a3ca80c40af444b22bf41a6cfda2225a27bb93

      SHA512

      db2190da2c35bceed0ef91d7553ff0dea442286490145c3d0e89db59ba1299b0851e601cc324b5f7fd026414fc73755e8eff2ef5fb5eeb1c54a9e13e7c66dd0c

    • C:\Users\Admin\AppData\Local\Temp\_MEI15242\ucrtbase.dll

      Filesize

      1.1MB

      MD5

      988755316d0f77fc510923c2f7cd6917

      SHA1

      ccd23c30c38062c87bf730ab6933f928ee981419

      SHA256

      1854cd0f850da28835416e3b69ed6dae465df95f8d84e77adbbc001f6dbd9d78

      SHA512

      8c52210a919d9f2856f38bd6a59bbc039506650a7e30f5d100a5aa5008641707122ff79f6f88c268c9abc9f02ba2792eed6aad6a5c65891a9ce7d6d5f12c3b0a

    • \Users\Admin\AppData\Local\Temp\Files\Client-built.exe

      Filesize

      3.1MB

      MD5

      77de6e8143094a619804ebf2d59eb094

      SHA1

      b87fc79d0825d979314c392781b0211087e78ca2

      SHA256

      b961d39237a098049a7ba1b6c78f2f02b6f1b9e80d149593f3103aafb6b215b8

      SHA512

      fa6dcd1d8b78548e12d22098a6b9107a744b9b85dd8276c18faf601f30ada97e7f023c6e376dc929c715c308a57b1105199acdd69697a0e6930bccd7afc2a6f9

    • \Users\Admin\AppData\Local\Temp\Files\caspol.exe

      Filesize

      506KB

      MD5

      759dd13715bc424308f1d0032ac4b502

      SHA1

      03347c96c50c140192e8df70260d732bea301ebc

      SHA256

      d4c86776bcf1dc4ffd2f51538f3e342216314b76cdba2c2864193350654a9aca

      SHA512

      4197992f4b44ea45c91cb00c7308949560ae24d179e9a14ebc4efb27e1b20abae203b1c8756c211eb9aab9732a3fd04c824bd6bc92510c8de3caea3a8cfa8e55

    • \Users\Admin\AppData\Local\Temp\Files\main.exe

      Filesize

      7.7MB

      MD5

      3227d45c48fc62f3666709223c286ecc

      SHA1

      da32971497da2a8d12c93f57e3890ed16b0beeee

      SHA256

      b5406afa91ad5468cb24517c6b1dd61d60a6393d4fb389d01f4e71af177a489e

      SHA512

      203aed8c30b0188fad231969013cb33191a894e02d5000a9425cb43061e1e8260ef67f36c7a9901f487825ceea265e29c7133b58f28aef5bc9213871c8b4bff0

    • \Users\Admin\AppData\Local\Temp\Files\malware.exe

      Filesize

      2.8MB

      MD5

      cb00a7da987df0007646cebbb5b3767d

      SHA1

      e8572fc68ebcda5f576ca8ed64f3e0794f5a05e1

      SHA256

      eeadb031ff7206f0bc0e13c7babd7ad594f2f37d5a0119e7a3cb0d7694c5f1cc

      SHA512

      6d095da178f2b8cb46c0255c427875d752f40b446ba44770a19c869e53c19fcac52b03728d6c6b4991be0cddedc4ef89c6f7673b25bc66bf1aea528ffd773a95

    • \Users\Admin\AppData\Local\Temp\Files\s.exe

      Filesize

      79KB

      MD5

      0c883b1d66afce606d9830f48d69d74b

      SHA1

      fe431fe73a4749722496f19b3b3ca0b629b50131

      SHA256

      d921fc993574c8be76553bcf4296d2851e48ee39b958205e69bdfd7cf661d2b1

      SHA512

      c047452a23efad4262479fbfeb5e23f9497d7cefd4cbb58e869801206669c2a0759698c70d18050316798d5d939b989537fdce3842aa742449f5e08ed7fa60a5

    • \Users\Admin\AppData\Local\Temp\_MEI15242\api-ms-win-core-file-l1-2-0.dll

      Filesize

      19KB

      MD5

      ac28edb5ad8eaa70ecbc64baf3e70bd4

      SHA1

      1a594e6cdc25a6e6be7904093f47f582e9c1fe4d

      SHA256

      fbd5e958f6efb4d78fd61ee9ee4b4d1b6f43c1210301668f654a880c65a1be86

      SHA512

      a25b812b9fa965af5f7de5552e2c2f4788a076af003ac0d94c3b2bc42dd9ab7e69af2438ce349b46a3387bf2bfcf27cec270d90ca6a44c9690861331c9e431e1

    • \Users\Admin\AppData\Local\Temp\_MEI15242\api-ms-win-core-file-l2-1-0.dll

      Filesize

      19KB

      MD5

      b5832f1e3a18d94cd855c3d8c632b30d

      SHA1

      6315b40487078bbafb478786c42c3946647e8ef3

      SHA256

      9f096475d4ba1533f564dd4a1db5dfeb620248fe14518042094b922539dc13e3

      SHA512

      f3016ded97591e25a6d4c70d89251a331402455ab589604e55c486fec37ee8e96bd1be2d4e4e59ba102dad696b3e1f754b699f9ebe8ae462e8b958ed2d431a5b

    • \Users\Admin\AppData\Local\Temp\_MEI15242\api-ms-win-core-timezone-l1-1-0.dll

      Filesize

      19KB

      MD5

      863ed806b4f16be984b4f1e279a1f99b

      SHA1

      b9a919216ef90064ac66b12ccde6b3bf1f334ee8

      SHA256

      171ca9df2b9ecfa545748af724c1c56ab396b299503a14c4da2197b0e5a44401

      SHA512

      fb8f195d9a1885c16aa2cc6eff38e627ea127b18978016d6046dc0120a19ab40cc4fe4b799c06f133b02f7cd6a634ae1665f05f9be5fcae609229dfaae0ce478

    • memory/1596-426-0x0000000000D60000-0x0000000000DE4000-memory.dmp

      Filesize

      528KB

    • memory/1968-291-0x0000000002420000-0x0000000002428000-memory.dmp

      Filesize

      32KB

    • memory/1968-290-0x000000001B1B0000-0x000000001B492000-memory.dmp

      Filesize

      2.9MB

    • memory/2380-284-0x000000013FD70000-0x0000000140149000-memory.dmp

      Filesize

      3.8MB

    • memory/2380-177-0x000000013FD70000-0x0000000140149000-memory.dmp

      Filesize

      3.8MB

    • memory/2492-441-0x00000000002B0000-0x00000000005D4000-memory.dmp

      Filesize

      3.1MB

    • memory/2880-0-0x0000000073DCE000-0x0000000073DCF000-memory.dmp

      Filesize

      4KB

    • memory/2880-283-0x00000000067C0000-0x0000000006B99000-memory.dmp

      Filesize

      3.8MB

    • memory/2880-175-0x00000000067C0000-0x0000000006B99000-memory.dmp

      Filesize

      3.8MB

    • memory/2880-170-0x0000000073DC0000-0x00000000744AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2880-160-0x0000000073DCE000-0x0000000073DCF000-memory.dmp

      Filesize

      4KB

    • memory/2880-2-0x0000000073DC0000-0x00000000744AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2880-1-0x0000000000C20000-0x0000000000C28000-memory.dmp

      Filesize

      32KB