Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 00:15

General

  • Target

    7caf46f3202073283f9a15c210d9f1f9a7697c944206983f439ae48a8c66cda3.exe

  • Size

    769KB

  • MD5

    a59c2a9166278d52e64923c55e246cf0

  • SHA1

    93d0ac61fe4adb5c1b081c1bdb80e0336a665758

  • SHA256

    7caf46f3202073283f9a15c210d9f1f9a7697c944206983f439ae48a8c66cda3

  • SHA512

    0eb34615288e1efe46398cc9529f64b7a9d1e63f3f77926f2e1295ad99eea97949e01232040a40fd9aa7d1c20b7c9a047d7a5ee73da11f2eaa4dc4bf12b4e217

  • SSDEEP

    12288:3bnP3xgasRh4+4PFCDcIpEeO+DqUhtMBd6oXjSrMvt6fDVCGx:3bnvxNs8+6IpE5QqetMGRru0nx

Malware Config

Extracted

Family

phorphiex

C2

http://185.215.113.66/

Wallets

0xCa90599132C4D88907Bd8E046540284aa468a035

TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6

qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

XryzFMFVpDUvU7famUGf214EXD3xNUSmQf

LLeT2zkStY3cvxMBFhoWXkG5VuZPoezduv

rwc4LVd9ABpULQ1CuCpDkgX2xVB1fUijyb

48jYpFT6bT8MTeph7VsyzCQeDsGHqdQNc2kUkRFJPzfRHHjarBvBtudPUtParMkDzZbYBrd3yntWBQcsnVBNeeMbN9EXifg

15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC

17hgMFyLDwMjxWqw5GhijhnPdJDyFDqecY

ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp

3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc

3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3

DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA

t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh

stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj

bnb1epx67ne4vckqmaj4gwke8m322f4yjr6eh52wqw

bc1qmpkehfffkr6phuklsksnd7nhgx0369sxu772m3

bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3

Signatures

  • Modifies security service 2 TTPs 1 IoCs
  • Phorphiex

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

  • Windows security bypass 2 TTPs 12 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in Windows directory 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7caf46f3202073283f9a15c210d9f1f9a7697c944206983f439ae48a8c66cda3.exe
    "C:\Users\Admin\AppData\Local\Temp\7caf46f3202073283f9a15c210d9f1f9a7697c944206983f439ae48a8c66cda3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Users\Admin\AppData\Local\Temp\426D.exe
      "C:\Users\Admin\AppData\Local\Temp\426D.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1812
      • C:\Users\Admin\AppData\Local\Temp\25936426.exe
        C:\Users\Admin\AppData\Local\Temp\25936426.exe
        3⤵
        • Modifies security service
        • Windows security bypass
        • Executes dropped EXE
        • Loads dropped DLL
        • Windows security modification
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:3032
        • C:\Users\Admin\AppData\Local\Temp\640512067.exe
          C:\Users\Admin\AppData\Local\Temp\640512067.exe
          4⤵
          • Executes dropped EXE
          PID:2380
        • C:\Users\Admin\AppData\Local\Temp\122643752.exe
          C:\Users\Admin\AppData\Local\Temp\122643752.exe
          4⤵
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Adds Run key to start application
          • Drops file in Windows directory
          PID:2332
        • C:\Users\Admin\AppData\Local\Temp\75868734.exe
          C:\Users\Admin\AppData\Local\Temp\75868734.exe
          4⤵
          • Executes dropped EXE
          PID:1120

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

4
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\426D.exe
    Filesize

    9KB

    MD5

    62b97cf4c0abafeda36e3fc101a5a022

    SHA1

    328fae9acff3f17df6e9dc8d6ef1cec679d4eb2b

    SHA256

    e172537adcee1fcdc8f16c23e43a5ac82c56a0347fa0197c08be979438a534ab

    SHA512

    32bd7062aabd25205471cec8d292b820fc2fd2479da6fb723332887fc47036570bb2d25829acb7c883ccaaab272828c8effbc78f02a3deeabb47656f4b64eb24

  • \Users\Admin\AppData\Local\Temp\122643752.exe
    Filesize

    14KB

    MD5

    2f4ab1a4a57649200550c0906d57bc28

    SHA1

    94bc52ed3921791630b2a001d9565b8f1bd3bd17

    SHA256

    baa6149b5b917ea3af1f7c77a65e26a34a191a31a9c79726bd60baf4656701fa

    SHA512

    ab1a59aa4c48f6c7fcf7950f4a68c3b89a56f266681a5aabd0df947af8340676e209d82ddd1997bfebd972b35ca235233b61231335aec4567f7b031e786ea7e8

  • \Users\Admin\AppData\Local\Temp\25936426.exe
    Filesize

    81KB

    MD5

    f4713c8ac5fc1e4919156157e7bece19

    SHA1

    7bd9e35b1d1210183bbb4fe1995895cbc1692c62

    SHA256

    2be2206e079516c8cfa50bbc86f8a431898aa90dd73f7cfc6af1d21573247c4b

    SHA512

    ecff8f3af212f444b5f44fd3bfd922556a49b9156fd7a20e13ebc60b4abe08b9d193a49556d4a8e776ef8083db77ab9667ec537dd44f863719e83cb3899cb46f

  • \Users\Admin\AppData\Local\Temp\75868734.exe
    Filesize

    8KB

    MD5

    c34a248f132e739652407b0aa8c978cd

    SHA1

    f7f05357fd6ab2d1a11e3427ee46626bb6ad94ee

    SHA256

    4c9c53256ff65c9930c38b193537ad510930c25052231c7eef3715057b79e578

    SHA512

    f7999e8b903fbc2e715d6d7e7bb0bc421cef79dbd61f6d94f18fa63c99a420d2a70d4b23fa0b8ec05d073c954aec718be588ada718bb0f5aacd618ad815f2703