Resubmissions

04-04-2023 19:01

230404-xn7h9shd67 10

04-04-2023 17:14

230404-vsdewagh32 10

Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-04-2023 17:14

General

  • Target

    qbOdWSNNuqquo2E.exe

  • Size

    2.0MB

  • MD5

    40c32c129e09d3eb618e27eb168aaadf

  • SHA1

    6a35a5fa5a53ceba217c66562477e954aec8eb2b

  • SHA256

    e09eaaa707261756f322c8d5b12af0a09c575ffbdd7bf19b895cab4982b7f68a

  • SHA512

    72ba764a542f0f61b0375a37e646d7bbdb78ca2b1aabedd33a42472e5a8099211311d699161ba51f03db6a46481556644542f991e7ef443eec2721d093b7da48

  • SSDEEP

    49152:6nsHyjtk2MYC5GDDMZEf4F0fVGJ2LxsL9ve049:6nsmtk2a1igSA2F0DU

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6241220793:AAFx6XFOw5z4Op7twC8hAqYib_mTz67Z4Ak/sendMessage?chat_id=2054148913

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 10 IoCs
  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\qbOdWSNNuqquo2E.exe
    "C:\Users\Admin\AppData\Local\Temp\qbOdWSNNuqquo2E.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Users\Admin\AppData\Local\Temp\._cache_qbOdWSNNuqquo2E.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_qbOdWSNNuqquo2E.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:216
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bRBgyCtm.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3968
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bRBgyCtm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3CCA.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:2008
      • C:\Users\Admin\AppData\Local\Temp\._cache_qbOdWSNNuqquo2E.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_qbOdWSNNuqquo2E.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:1576
        • C:\Users\Admin\AppData\Local\Temp\._cache_._cache_qbOdWSNNuqquo2E.exe
          "C:\Users\Admin\AppData\Local\Temp\._cache_._cache_qbOdWSNNuqquo2E.exe"
          4⤵
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:3988
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1324
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        PID:2720
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2720 -s 1220
          4⤵
          • Program crash
          PID:1652
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:4316
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2720 -ip 2720
    1⤵
      PID:3420

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    Query Registry

    3
    T1012

    System Information Discovery

    4
    T1082

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\Synaptics\Synaptics.exe
      Filesize

      2.0MB

      MD5

      40c32c129e09d3eb618e27eb168aaadf

      SHA1

      6a35a5fa5a53ceba217c66562477e954aec8eb2b

      SHA256

      e09eaaa707261756f322c8d5b12af0a09c575ffbdd7bf19b895cab4982b7f68a

      SHA512

      72ba764a542f0f61b0375a37e646d7bbdb78ca2b1aabedd33a42472e5a8099211311d699161ba51f03db6a46481556644542f991e7ef443eec2721d093b7da48

    • C:\ProgramData\Synaptics\Synaptics.exe
      Filesize

      2.0MB

      MD5

      40c32c129e09d3eb618e27eb168aaadf

      SHA1

      6a35a5fa5a53ceba217c66562477e954aec8eb2b

      SHA256

      e09eaaa707261756f322c8d5b12af0a09c575ffbdd7bf19b895cab4982b7f68a

      SHA512

      72ba764a542f0f61b0375a37e646d7bbdb78ca2b1aabedd33a42472e5a8099211311d699161ba51f03db6a46481556644542f991e7ef443eec2721d093b7da48

    • C:\ProgramData\Synaptics\Synaptics.exe
      Filesize

      2.0MB

      MD5

      40c32c129e09d3eb618e27eb168aaadf

      SHA1

      6a35a5fa5a53ceba217c66562477e954aec8eb2b

      SHA256

      e09eaaa707261756f322c8d5b12af0a09c575ffbdd7bf19b895cab4982b7f68a

      SHA512

      72ba764a542f0f61b0375a37e646d7bbdb78ca2b1aabedd33a42472e5a8099211311d699161ba51f03db6a46481556644542f991e7ef443eec2721d093b7da48

    • C:\Users\Admin\AppData\Local\Temp\._cache_._cache_qbOdWSNNuqquo2E.exe
      Filesize

      127KB

      MD5

      2306789692c2e5e8ea14fe50fcb67f8a

      SHA1

      c8b5ebd3841889ece6b1fb8ee62d6b3aaf752912

      SHA256

      8fd9fe29be30f381199070f2c09d8213c0ac8be98836086052bb83fe53d7f6c3

      SHA512

      367d04fe143f81a78f78e997d32b97f8787a42f34da1026e99e990465243eb51dacd569e7ca298b40f7ba3e9e315249e23fcde60930af072ba5de10a568ded1b

    • C:\Users\Admin\AppData\Local\Temp\._cache_._cache_qbOdWSNNuqquo2E.exe
      Filesize

      127KB

      MD5

      2306789692c2e5e8ea14fe50fcb67f8a

      SHA1

      c8b5ebd3841889ece6b1fb8ee62d6b3aaf752912

      SHA256

      8fd9fe29be30f381199070f2c09d8213c0ac8be98836086052bb83fe53d7f6c3

      SHA512

      367d04fe143f81a78f78e997d32b97f8787a42f34da1026e99e990465243eb51dacd569e7ca298b40f7ba3e9e315249e23fcde60930af072ba5de10a568ded1b

    • C:\Users\Admin\AppData\Local\Temp\._cache_._cache_qbOdWSNNuqquo2E.exe
      Filesize

      127KB

      MD5

      2306789692c2e5e8ea14fe50fcb67f8a

      SHA1

      c8b5ebd3841889ece6b1fb8ee62d6b3aaf752912

      SHA256

      8fd9fe29be30f381199070f2c09d8213c0ac8be98836086052bb83fe53d7f6c3

      SHA512

      367d04fe143f81a78f78e997d32b97f8787a42f34da1026e99e990465243eb51dacd569e7ca298b40f7ba3e9e315249e23fcde60930af072ba5de10a568ded1b

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

      1.3MB

      MD5

      8aeb2829342f8bb9acb171472da1d64e

      SHA1

      b04d798d1375c242273fd6a1d8553b9312663668

      SHA256

      9d0618a3a6027f47ebd85a126770e86f37e6e47b35f2175e7fde30acf1d73020

      SHA512

      2b3dfadd3dfc8ae36708774eecd78a183f60392742f8108c0e607f22e85e7046cf809e127a6cee36be3d0c81bb8b1cd553a46b960c9f41621cb1d5b0293b3db1

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

      1.3MB

      MD5

      8aeb2829342f8bb9acb171472da1d64e

      SHA1

      b04d798d1375c242273fd6a1d8553b9312663668

      SHA256

      9d0618a3a6027f47ebd85a126770e86f37e6e47b35f2175e7fde30acf1d73020

      SHA512

      2b3dfadd3dfc8ae36708774eecd78a183f60392742f8108c0e607f22e85e7046cf809e127a6cee36be3d0c81bb8b1cd553a46b960c9f41621cb1d5b0293b3db1

    • C:\Users\Admin\AppData\Local\Temp\._cache_qbOdWSNNuqquo2E.exe
      Filesize

      1.3MB

      MD5

      8aeb2829342f8bb9acb171472da1d64e

      SHA1

      b04d798d1375c242273fd6a1d8553b9312663668

      SHA256

      9d0618a3a6027f47ebd85a126770e86f37e6e47b35f2175e7fde30acf1d73020

      SHA512

      2b3dfadd3dfc8ae36708774eecd78a183f60392742f8108c0e607f22e85e7046cf809e127a6cee36be3d0c81bb8b1cd553a46b960c9f41621cb1d5b0293b3db1

    • C:\Users\Admin\AppData\Local\Temp\._cache_qbOdWSNNuqquo2E.exe
      Filesize

      1.3MB

      MD5

      8aeb2829342f8bb9acb171472da1d64e

      SHA1

      b04d798d1375c242273fd6a1d8553b9312663668

      SHA256

      9d0618a3a6027f47ebd85a126770e86f37e6e47b35f2175e7fde30acf1d73020

      SHA512

      2b3dfadd3dfc8ae36708774eecd78a183f60392742f8108c0e607f22e85e7046cf809e127a6cee36be3d0c81bb8b1cd553a46b960c9f41621cb1d5b0293b3db1

    • C:\Users\Admin\AppData\Local\Temp\._cache_qbOdWSNNuqquo2E.exe
      Filesize

      1.3MB

      MD5

      8aeb2829342f8bb9acb171472da1d64e

      SHA1

      b04d798d1375c242273fd6a1d8553b9312663668

      SHA256

      9d0618a3a6027f47ebd85a126770e86f37e6e47b35f2175e7fde30acf1d73020

      SHA512

      2b3dfadd3dfc8ae36708774eecd78a183f60392742f8108c0e607f22e85e7046cf809e127a6cee36be3d0c81bb8b1cd553a46b960c9f41621cb1d5b0293b3db1

    • C:\Users\Admin\AppData\Local\Temp\._cache_qbOdWSNNuqquo2E.exe
      Filesize

      1.3MB

      MD5

      8aeb2829342f8bb9acb171472da1d64e

      SHA1

      b04d798d1375c242273fd6a1d8553b9312663668

      SHA256

      9d0618a3a6027f47ebd85a126770e86f37e6e47b35f2175e7fde30acf1d73020

      SHA512

      2b3dfadd3dfc8ae36708774eecd78a183f60392742f8108c0e607f22e85e7046cf809e127a6cee36be3d0c81bb8b1cd553a46b960c9f41621cb1d5b0293b3db1

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nf0waeu3.udf.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\eP7CGZqh.xlsm
      Filesize

      17KB

      MD5

      e566fc53051035e1e6fd0ed1823de0f9

      SHA1

      00bc96c48b98676ecd67e81a6f1d7754e4156044

      SHA256

      8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

      SHA512

      a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

    • C:\Users\Admin\AppData\Local\Temp\tmp3CCA.tmp
      Filesize

      1KB

      MD5

      3146a61fe7904fcbeb366e9cfece6363

      SHA1

      9f49579a8adec46f3737391e99a2fc81b4a43ad7

      SHA256

      ef1c1262b48eb73e592f082bb4d4ee737ccac0a7b993b2c309e823aa6245839c

      SHA512

      fd4109af9b867f179b2106e66e8295957a3e64751faea73d72b078c6019af859412ed1d3cb8b3b5f418d0e51cf217b50a90ef21bbcda6135fb24e0447c5bd020

    • memory/216-352-0x0000000005B20000-0x0000000005B30000-memory.dmp
      Filesize

      64KB

    • memory/216-327-0x0000000005B20000-0x0000000005B30000-memory.dmp
      Filesize

      64KB

    • memory/216-363-0x0000000007780000-0x000000000781C000-memory.dmp
      Filesize

      624KB

    • memory/216-314-0x00000000059D0000-0x0000000005A62000-memory.dmp
      Filesize

      584KB

    • memory/216-326-0x0000000005AA0000-0x0000000005AAA000-memory.dmp
      Filesize

      40KB

    • memory/216-313-0x0000000006040000-0x00000000065E4000-memory.dmp
      Filesize

      5.6MB

    • memory/216-264-0x0000000000EE0000-0x0000000001028000-memory.dmp
      Filesize

      1.3MB

    • memory/1312-183-0x00000000008E0000-0x00000000008E1000-memory.dmp
      Filesize

      4KB

    • memory/1312-261-0x0000000000400000-0x0000000000604000-memory.dmp
      Filesize

      2.0MB

    • memory/1324-358-0x0000000000400000-0x0000000000604000-memory.dmp
      Filesize

      2.0MB

    • memory/1324-341-0x0000000000400000-0x0000000000604000-memory.dmp
      Filesize

      2.0MB

    • memory/1324-491-0x0000000000400000-0x0000000000604000-memory.dmp
      Filesize

      2.0MB

    • memory/1324-505-0x0000000000400000-0x0000000000604000-memory.dmp
      Filesize

      2.0MB

    • memory/1324-324-0x00000000006D0000-0x00000000006D1000-memory.dmp
      Filesize

      4KB

    • memory/1576-374-0x0000000000400000-0x00000000004E2000-memory.dmp
      Filesize

      904KB

    • memory/1576-442-0x0000000000400000-0x00000000004E2000-memory.dmp
      Filesize

      904KB

    • memory/1576-443-0x0000000001670000-0x0000000001671000-memory.dmp
      Filesize

      4KB

    • memory/1576-455-0x0000000000400000-0x00000000004E2000-memory.dmp
      Filesize

      904KB

    • memory/1576-378-0x0000000000400000-0x00000000004E2000-memory.dmp
      Filesize

      904KB

    • memory/1576-376-0x0000000000400000-0x00000000004E2000-memory.dmp
      Filesize

      904KB

    • memory/2720-353-0x00000000058A0000-0x00000000058B0000-memory.dmp
      Filesize

      64KB

    • memory/2720-328-0x00000000058A0000-0x00000000058B0000-memory.dmp
      Filesize

      64KB

    • memory/3968-382-0x00000000059C0000-0x0000000005A26000-memory.dmp
      Filesize

      408KB

    • memory/3968-459-0x0000000006620000-0x0000000006652000-memory.dmp
      Filesize

      200KB

    • memory/3968-369-0x0000000004B30000-0x0000000004B66000-memory.dmp
      Filesize

      216KB

    • memory/3968-381-0x00000000051F0000-0x0000000005212000-memory.dmp
      Filesize

      136KB

    • memory/3968-372-0x0000000004C50000-0x0000000004C60000-memory.dmp
      Filesize

      64KB

    • memory/3968-474-0x00000000073D0000-0x00000000073EA000-memory.dmp
      Filesize

      104KB

    • memory/3968-388-0x0000000005AA0000-0x0000000005B06000-memory.dmp
      Filesize

      408KB

    • memory/3968-444-0x00000000060D0000-0x00000000060EE000-memory.dmp
      Filesize

      120KB

    • memory/3968-470-0x00000000066E0000-0x00000000066FE000-memory.dmp
      Filesize

      120KB

    • memory/3968-371-0x0000000004C50000-0x0000000004C60000-memory.dmp
      Filesize

      64KB

    • memory/3968-472-0x000000007FAE0000-0x000000007FAF0000-memory.dmp
      Filesize

      64KB

    • memory/3968-477-0x0000000007610000-0x000000000761E000-memory.dmp
      Filesize

      56KB

    • memory/3968-479-0x0000000007720000-0x000000000773A000-memory.dmp
      Filesize

      104KB

    • memory/3968-480-0x0000000007700000-0x0000000007708000-memory.dmp
      Filesize

      32KB

    • memory/3968-373-0x0000000005290000-0x00000000058B8000-memory.dmp
      Filesize

      6.2MB

    • memory/3968-473-0x0000000007A10000-0x000000000808A000-memory.dmp
      Filesize

      6.5MB

    • memory/3968-458-0x0000000004C50000-0x0000000004C60000-memory.dmp
      Filesize

      64KB

    • memory/3968-476-0x0000000007660000-0x00000000076F6000-memory.dmp
      Filesize

      600KB

    • memory/3968-460-0x0000000073680000-0x00000000736CC000-memory.dmp
      Filesize

      304KB

    • memory/3968-475-0x0000000007440000-0x000000000744A000-memory.dmp
      Filesize

      40KB

    • memory/3988-456-0x0000000000790000-0x00000000007B6000-memory.dmp
      Filesize

      152KB

    • memory/3988-457-0x0000000005360000-0x0000000005370000-memory.dmp
      Filesize

      64KB

    • memory/3988-478-0x0000000006440000-0x0000000006602000-memory.dmp
      Filesize

      1.8MB

    • memory/3988-485-0x0000000005360000-0x0000000005370000-memory.dmp
      Filesize

      64KB

    • memory/4316-354-0x0000016C13B30000-0x0000016C13CD9000-memory.dmp
      Filesize

      1.7MB

    • memory/4316-335-0x00007FFFB6230000-0x00007FFFB6240000-memory.dmp
      Filesize

      64KB

    • memory/4316-334-0x00007FFFB6230000-0x00007FFFB6240000-memory.dmp
      Filesize

      64KB

    • memory/4316-333-0x00007FFFB8410000-0x00007FFFB8420000-memory.dmp
      Filesize

      64KB

    • memory/4316-332-0x00007FFFB8410000-0x00007FFFB8420000-memory.dmp
      Filesize

      64KB

    • memory/4316-331-0x00007FFFB8410000-0x00007FFFB8420000-memory.dmp
      Filesize

      64KB

    • memory/4316-330-0x00007FFFB8410000-0x00007FFFB8420000-memory.dmp
      Filesize

      64KB

    • memory/4316-329-0x00007FFFB8410000-0x00007FFFB8420000-memory.dmp
      Filesize

      64KB