Analysis

  • max time kernel
    114s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2022 10:19

General

  • Target

    4e0cbea473e9781a5a4f7f643f4ea9e852504642cdeb157d1d014646ee36adbc.exe

  • Size

    1.1MB

  • MD5

    7560516355efa446658667a180977c11

  • SHA1

    19cf36775b246599d9ae7fcd9b92f137a0d1c2bf

  • SHA256

    4e0cbea473e9781a5a4f7f643f4ea9e852504642cdeb157d1d014646ee36adbc

  • SHA512

    61c04b2c9994477511c3abe4e0a7f1ec523420ffb727bd944e6517f4bb3af79b183c92b48a07b642e1f8f547cc0c00311a4efed31c489e78fa600c1004c2c395

  • SSDEEP

    24576:S2TqSc+qNUwI7VV3iQPhFt4EKqZGy8uux/vJQrg1neCEsitbBQv:SiqSc+afwn3iQ7Cl6uZJQk1neMinq

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Executes dropped EXE 3 IoCs
  • Modifies Windows Firewall 1 TTPs 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Drops file in Windows directory 3 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4e0cbea473e9781a5a4f7f643f4ea9e852504642cdeb157d1d014646ee36adbc.exe
    "C:\Users\Admin\AppData\Local\Temp\4e0cbea473e9781a5a4f7f643f4ea9e852504642cdeb157d1d014646ee36adbc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1888
    • C:\Users\Admin\AppData\Local\Temp\4e0cbea473e9781a5a4f7f643f4ea9e852504642cdeb157d1d014646ee36adbc.exe
      "C:\Users\Admin\AppData\Local\Temp\4e0cbea473e9781a5a4f7f643f4ea9e852504642cdeb157d1d014646ee36adbc.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1792
      • C:\Users\Admin\AppData\Local\Temp\4e0cbea473e9781a5a4f7f643f4ea9e852504642cdeb157d1d014646ee36adbc.exe
        "C:\Users\Admin\AppData\Local\Temp\4e0cbea473e9781a5a4f7f643f4ea9e852504642cdeb157d1d014646ee36adbc.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:936
        • C:\Users\Admin\AppData\Local\Temp\4e0cbea473e9781a5a4f7f643f4ea9e852504642cdeb157d1d014646ee36adbc.exe
          "C:\Users\Admin\AppData\Local\Temp\4e0cbea473e9781a5a4f7f643f4ea9e852504642cdeb157d1d014646ee36adbc.exe"
          4⤵
          • Modifies firewall policy service
          • Adds Run key to start application
          • Drops file in Windows directory
          • Suspicious use of WriteProcessMemory
          PID:1180
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram 1.exe 1 ENABLE
            5⤵
            • Modifies Windows Firewall
            PID:672
          • \??\c:\windows\sms.exe
            "c:\windows\sms.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1492
            • \??\c:\windows\sms.exe
              "c:\windows\sms.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:1544
              • \??\c:\windows\sms.exe
                "c:\windows\sms.exe"
                7⤵
                • Executes dropped EXE
                • Drops file in Windows directory
                • Modifies Internet Explorer start page
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of WriteProcessMemory
                PID:1816
                • C:\Windows\SysWOW64\netsh.exe
                  netsh firewall add allowedprogram 1.exe 1 ENABLE
                  8⤵
                  • Modifies Windows Firewall
                  PID:1380

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Credential Access

Credentials in Files

1
T1081

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\sms.exe
    Filesize

    1.1MB

    MD5

    7560516355efa446658667a180977c11

    SHA1

    19cf36775b246599d9ae7fcd9b92f137a0d1c2bf

    SHA256

    4e0cbea473e9781a5a4f7f643f4ea9e852504642cdeb157d1d014646ee36adbc

    SHA512

    61c04b2c9994477511c3abe4e0a7f1ec523420ffb727bd944e6517f4bb3af79b183c92b48a07b642e1f8f547cc0c00311a4efed31c489e78fa600c1004c2c395

  • C:\Windows\sms.exe
    Filesize

    1.1MB

    MD5

    7560516355efa446658667a180977c11

    SHA1

    19cf36775b246599d9ae7fcd9b92f137a0d1c2bf

    SHA256

    4e0cbea473e9781a5a4f7f643f4ea9e852504642cdeb157d1d014646ee36adbc

    SHA512

    61c04b2c9994477511c3abe4e0a7f1ec523420ffb727bd944e6517f4bb3af79b183c92b48a07b642e1f8f547cc0c00311a4efed31c489e78fa600c1004c2c395

  • C:\Windows\sms.exe
    Filesize

    1.1MB

    MD5

    7560516355efa446658667a180977c11

    SHA1

    19cf36775b246599d9ae7fcd9b92f137a0d1c2bf

    SHA256

    4e0cbea473e9781a5a4f7f643f4ea9e852504642cdeb157d1d014646ee36adbc

    SHA512

    61c04b2c9994477511c3abe4e0a7f1ec523420ffb727bd944e6517f4bb3af79b183c92b48a07b642e1f8f547cc0c00311a4efed31c489e78fa600c1004c2c395

  • \??\c:\windows\sms.exe
    Filesize

    1.1MB

    MD5

    7560516355efa446658667a180977c11

    SHA1

    19cf36775b246599d9ae7fcd9b92f137a0d1c2bf

    SHA256

    4e0cbea473e9781a5a4f7f643f4ea9e852504642cdeb157d1d014646ee36adbc

    SHA512

    61c04b2c9994477511c3abe4e0a7f1ec523420ffb727bd944e6517f4bb3af79b183c92b48a07b642e1f8f547cc0c00311a4efed31c489e78fa600c1004c2c395

  • memory/672-83-0x0000000000000000-mapping.dmp
  • memory/936-63-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/936-58-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/936-64-0x0000000000401110-mapping.dmp
  • memory/936-55-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/936-67-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/936-66-0x00000000757E1000-0x00000000757E3000-memory.dmp
    Filesize

    8KB

  • memory/936-68-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/936-59-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/936-78-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/936-60-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/936-61-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/936-56-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1180-76-0x0000000000400000-0x0000000000460000-memory.dmp
    Filesize

    384KB

  • memory/1180-69-0x0000000000400000-0x0000000000460000-memory.dmp
    Filesize

    384KB

  • memory/1180-80-0x0000000000400000-0x0000000000460000-memory.dmp
    Filesize

    384KB

  • memory/1180-82-0x0000000000400000-0x0000000000460000-memory.dmp
    Filesize

    384KB

  • memory/1180-77-0x0000000000407826-mapping.dmp
  • memory/1180-70-0x0000000000400000-0x0000000000460000-memory.dmp
    Filesize

    384KB

  • memory/1180-74-0x0000000000400000-0x0000000000460000-memory.dmp
    Filesize

    384KB

  • memory/1180-86-0x0000000000400000-0x0000000000460000-memory.dmp
    Filesize

    384KB

  • memory/1180-72-0x0000000000400000-0x0000000000460000-memory.dmp
    Filesize

    384KB

  • memory/1380-117-0x0000000000000000-mapping.dmp
  • memory/1492-84-0x0000000000000000-mapping.dmp
  • memory/1544-98-0x0000000000401110-mapping.dmp
  • memory/1544-113-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1792-54-0x000000000015212E-mapping.dmp
  • memory/1816-111-0x0000000000407826-mapping.dmp
  • memory/1816-119-0x0000000000400000-0x0000000000460000-memory.dmp
    Filesize

    384KB

  • memory/1816-120-0x0000000000400000-0x0000000000460000-memory.dmp
    Filesize

    384KB