Overview

overview

10

Static

static

10

f7f175a450...0c.exe

windows7-x64

10

f7f175a450...0c.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    153s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-07-2022 03:30

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General

  • Target

    f7f175a450a116c0be3c493e697c98c9469f2f894f3834fea484f5540621350c.exe

  • Size

    827KB

  • MD5

    bb5bacfe2ae5bf6e02f5aa5f55c28acf

  • SHA1

    c49192478c9611df1fde63fdd1f848def716fcba

  • SHA256

    f7f175a450a116c0be3c493e697c98c9469f2f894f3834fea484f5540621350c

  • SHA512

    f59a33f7bac0f8efab55c00e5e5be44c1db9ed859c7e6ffe563d43767d7c71ed902831739dea211d05ef6920ad2b13e7b76e824c88ade01e3cdf441fa524a8fc

Score
10/10
ammyyadminflawedammyysalitybackdoorevasionrattrojanupx

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Ammyy Admin

    Remote admin tool with various capabilities.

    ratammyyadmin
  • AmmyyAdmin payload 6 IoCs
  • FlawedAmmyy RAT

    Remote-access trojan based on leaked code for the Ammyy remote admin software.

    trojanflawedammyy
  • Modifies firewall policy service 2 TTPs 9 IoCs
    evasion
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

    backdoorsality
  • UAC bypass 3 TTPs 3 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 30 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Disables Task Manager via registry modification
    evasion
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Windows security modification 2 TTPs 33 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
    evasiontrojan
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 3 IoCs
    evasion

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:800
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
          PID:2688
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
          1⤵
            PID:2760
          • C:\Windows\system32\taskhostw.exe
            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
            1⤵
              PID:2848
            • C:\Windows\Explorer.EXE
              C:\Windows\Explorer.EXE
              1⤵
                PID:2900
                • C:\Users\Admin\AppData\Local\Temp\f7f175a450a116c0be3c493e697c98c9469f2f894f3834fea484f5540621350c.exe
                  "C:\Users\Admin\AppData\Local\Temp\f7f175a450a116c0be3c493e697c98c9469f2f894f3834fea484f5540621350c.exe"
                  2⤵
                  • Modifies firewall policy service
                  • UAC bypass
                  • Windows security bypass
                  • Disables RegEdit via registry modification
                  • Windows security modification
                  • Checks whether UAC is enabled
                  • Drops file in Windows directory
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  • System policy modification
                  PID:4396
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                1⤵
                  PID:3080
                • C:\Windows\system32\DllHost.exe
                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                  1⤵
                    PID:3292
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:3392
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3456
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        1⤵
                          PID:3544
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:3740
                          • C:\Windows\system32\dwm.exe
                            "dwm.exe"
                            1⤵
                              PID:388
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:3556
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4880
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2844
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                    1⤵
                                      PID:3884
                                    • C:\Users\Admin\AppData\Local\Temp\f7f175a450a116c0be3c493e697c98c9469f2f894f3834fea484f5540621350c.exe
                                      "C:\Users\Admin\AppData\Local\Temp\f7f175a450a116c0be3c493e697c98c9469f2f894f3834fea484f5540621350c.exe" -service -lunch
                                      1⤵
                                      • Modifies firewall policy service
                                      • UAC bypass
                                      • Windows security bypass
                                      • Windows security modification
                                      • Checks whether UAC is enabled
                                      • Modifies data under HKEY_USERS
                                      • Suspicious behavior: EnumeratesProcesses
                                      • Suspicious use of WriteProcessMemory
                                      • System policy modification
                                      PID:4560
                                      • C:\Users\Admin\AppData\Local\Temp\f7f175a450a116c0be3c493e697c98c9469f2f894f3834fea484f5540621350c.exe
                                        "C:\Users\Admin\AppData\Local\Temp\f7f175a450a116c0be3c493e697c98c9469f2f894f3834fea484f5540621350c.exe"
                                        2⤵
                                        • Modifies firewall policy service
                                        • UAC bypass
                                        • Windows security bypass
                                        • Windows security modification
                                        • Checks whether UAC is enabled
                                        • Enumerates connected drives
                                        • Drops autorun.inf file
                                        • Drops file in System32 directory
                                        • Drops file in Program Files directory
                                        • Modifies data under HKEY_USERS
                                        • Suspicious behavior: EnumeratesProcesses
                                        • Suspicious use of FindShellTrayWindow
                                        • Suspicious use of SendNotifyMessage
                                        • Suspicious use of WriteProcessMemory
                                        • System policy modification
                                        PID:2100
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:112

                                      Network

                                      MITRE ATT&CK Matrix ATT&CK v6

                                      Initial Access

                                      Replication Through Removable Media

                                      1
                                      T1091

                                      Execution

                                      Persistence

                                      Modify Existing Service

                                      1
                                      T1031

                                      Privilege Escalation

                                      Bypass User Account Control

                                      1
                                      T1088

                                      Defense Evasion

                                      Modify Registry

                                      5
                                      T1112

                                      Bypass User Account Control

                                      1
                                      T1088

                                      Disabling Security Tools

                                      3
                                      T1089

                                      Credential Access

                                      Discovery

                                      System Information Discovery

                                      2
                                      T1082

                                      Query Registry

                                      1
                                      T1012

                                      Peripheral Device Discovery

                                      1
                                      T1120

                                      Lateral Movement

                                      Replication Through Removable Media

                                      1
                                      T1091

                                      Collection

                                      Exfiltration

                                      Command and Control

                                      Impact

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • C:\ProgramData\AMMYY\hr
                                        Filesize

                                        22B

                                        MD5

                                        b51ff1164a5b348f4d9e903b66c0d4ce

                                        SHA1

                                        4806f314c99a10cb3d896c4fab229ef7ffebf25d

                                        SHA256

                                        5034f0aba9c8ed2728a0b22594f374fb0fc5cd0a9272085841c69c4999bf4534

                                        SHA512

                                        7e05b203d9510ca4f3dc271d0aa06ac36759073a81b92274e780fde0487a99cf5d1a6225be04e750dc3d708eb9c3b4b3237e8a84bbbc7f61460b2a805e5740db

                                        Download Submit
                                      • C:\ProgramData\AMMYY\hr3
                                        Filesize

                                        68B

                                        MD5

                                        875292975e6701eb3668c9d7d4e0cf0e

                                        SHA1

                                        08a301850bdb78b372b16e274d5f71e5d97ff135

                                        SHA256

                                        d417318cb9b4105760511b16b21a86f79ca975038089e391b1c037aa58aa78b4

                                        SHA512

                                        98af0edcec8859f7ed25671538c5a9db9f69fe9b61d215d400274280ab24f9a5c8e1a4ca378042724698e69bdb258420967fdc65949c7d72d1b80cdf465d9b25

                                        Download Submit
                                      • C:\ProgramData\AMMYY\settings3.bin
                                        Filesize

                                        271B

                                        MD5

                                        714f2508d4227f74b6adacfef73815d8

                                        SHA1

                                        a35c8a796e4453c0c09d011284b806d25bdad04c

                                        SHA256

                                        a5579945f23747541c0e80b79e79375d4ca44feafcd425ee9bd9302e35312480

                                        SHA512

                                        1171a6eac6d237053815a40c2bcc2df9f4209902d6157777377228f3b618cad50c88a9519444ed5c447cf744e4655272fb42dabb567df85b4b19b1a2f1d086d8

                                        Download Submit
                                      • C:\Windows\SYSTEM.INI
                                        Filesize

                                        257B

                                        MD5

                                        0f50553cf6fc0db44663405f6d2786ae

                                        SHA1

                                        e919c8076508be2a292d8f3f72d59454df9ac900

                                        SHA256

                                        ef41b3f0370ce3e2cb14f3bd86ffd1eedcdda129293a451023f3deeefaf7ce97

                                        SHA512

                                        dab729b639e377ef11140646da60bf63ca5245cdc49dbaee756f8238e5bf4169972897f0b8203b30da860ecbb0a5b1f0bf78629610665151c00d46855a1fba2a

                                        Download Submit
                                      • memory/2100-140-0x0000000000400000-0x00000000004D4000-memory.dmp
                                        Filesize

                                        848KB

                                        Download
                                      • memory/2100-133-0x0000000000000000-mapping.dmp
                                        Download
                                      • memory/2100-147-0x0000000000400000-0x00000000004D4000-memory.dmp
                                        Filesize

                                        848KB

                                        Download
                                      • memory/2100-146-0x0000000004F20000-0x0000000005FAE000-memory.dmp
                                        Filesize

                                        16.6MB

                                        Download
                                      • memory/2100-145-0x0000000004F20000-0x0000000005FAE000-memory.dmp
                                        Filesize

                                        16.6MB

                                        Download
                                      • memory/2100-143-0x0000000004F20000-0x0000000005FAE000-memory.dmp
                                        Filesize

                                        16.6MB

                                        Download
                                      • memory/4396-131-0x0000000002410000-0x000000000349E000-memory.dmp
                                        Filesize

                                        16.6MB

                                        Download
                                      • memory/4396-130-0x0000000000400000-0x00000000004D4000-memory.dmp
                                        Filesize

                                        848KB

                                        Download
                                      • memory/4396-137-0x0000000002410000-0x000000000349E000-memory.dmp
                                        Filesize

                                        16.6MB

                                        Download
                                      • memory/4396-135-0x0000000000400000-0x00000000004D4000-memory.dmp
                                        Filesize

                                        848KB

                                        Download
                                      • memory/4560-132-0x0000000000FE0000-0x000000000206E000-memory.dmp
                                        Filesize

                                        16.6MB

                                        Download
                                      • memory/4560-139-0x0000000000FE0000-0x000000000206E000-memory.dmp
                                        Filesize

                                        16.6MB

                                        Download
                                      • memory/4560-144-0x0000000000FE0000-0x000000000206E000-memory.dmp
                                        Filesize

                                        16.6MB

                                        Download
                                      • memory/4560-136-0x0000000000400000-0x00000000004D4000-memory.dmp
                                        Filesize

                                        848KB

                                        Download