Analysis

  • max time kernel
    160s
  • max time network
    173s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    25-05-2022 22:37

General

  • Target

    29b5fe14e96f657b41f5fa65332a81ffe23fdf0a79af3bc5f13daec747fb690a.exe

  • Size

    289KB

  • MD5

    5cad000c73c0ba510be48eacfc6a892f

  • SHA1

    96a56a0881b2f2e0f5d1ac0f65842482f890c87a

  • SHA256

    29b5fe14e96f657b41f5fa65332a81ffe23fdf0a79af3bc5f13daec747fb690a

  • SHA512

    df48e5fb422b9c35134999347fe961487e68d6f79a3897f679ff596a6d0c8c2b5df4e5651166ed3bed79de5cae10075137ab7d367742c0d837994fd9ce6761f7

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://monsutiur4.com/

http://nusurionuy5ff.at/

http://moroitomo4.net/

http://susuerulianita1.net/

http://cucumbetuturel4.com/

http://nunuslushau.com/

http://linislominyt11.at/

http://luxulixionus.net/

http://lilisjjoer44.com/

http://nikogminut88.at/

http://limo00ruling.org/

http://mini55tunul.com/

http://samnutu11nuli.com/

http://nikogkojam.org/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

4

C2

45.10.43.167:26696

Attributes
  • auth_value

    907b4009a916888062785688f81bc6b3

Extracted

Family

vidar

Version

52.3

Botnet

1415

C2

https://t.me/hyipsdigest

https://mastodon.online/@ronxik13

Attributes
  • profile_id

    1415

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved

    suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved

  • suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

    suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

  • Vidar Stealer 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

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

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

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 2 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\29b5fe14e96f657b41f5fa65332a81ffe23fdf0a79af3bc5f13daec747fb690a.exe
    "C:\Users\Admin\AppData\Local\Temp\29b5fe14e96f657b41f5fa65332a81ffe23fdf0a79af3bc5f13daec747fb690a.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3096
  • C:\Users\Admin\AppData\Local\Temp\78D9.exe
    C:\Users\Admin\AppData\Local\Temp\78D9.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 10
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4692
      • C:\Windows\SysWOW64\timeout.exe
        timeout 10
        3⤵
        • Delays execution with timeout.exe
        PID:4644
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4700
  • C:\Users\Admin\AppData\Roaming\htcbsdg
    C:\Users\Admin\AppData\Roaming\htcbsdg
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:1460
  • C:\Users\Admin\AppData\Local\Temp\6C24.exe
    C:\Users\Admin\AppData\Local\Temp\6C24.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2080
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im 6C24.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\6C24.exe" & del C:\ProgramData\*.dll & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4400
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im 6C24.exe /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3108
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 6
        3⤵
        • Delays execution with timeout.exe
        PID:3104
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
    • Accesses Microsoft Outlook profiles
    • outlook_office_path
    • outlook_win_path
    PID:2168
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe
    1⤵
      PID:3572

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    Query Registry

    3
    T1012

    System Information Discovery

    3
    T1082

    Peripheral Device Discovery

    1
    T1120

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\6C24.exe
      Filesize

      407KB

      MD5

      8db992520c2c6ea45593f8b477ee3852

      SHA1

      507b2c66eb1d294065d13a406038e9d797a2113a

      SHA256

      75950f29ce04579c5a32d80b32ce9264f48519a8edeafb26d0e6854711f871ca

      SHA512

      807b3ddd37ff5a5ffaa67f1c7fdd2947adce9fcace7c23712bd3fa23297c02ef082595f7fc056a19514a0294e34de36cc16f99a4dfc3ff4a28f6fed9ffe7c2b2

    • C:\Users\Admin\AppData\Local\Temp\6C24.exe
      Filesize

      407KB

      MD5

      8db992520c2c6ea45593f8b477ee3852

      SHA1

      507b2c66eb1d294065d13a406038e9d797a2113a

      SHA256

      75950f29ce04579c5a32d80b32ce9264f48519a8edeafb26d0e6854711f871ca

      SHA512

      807b3ddd37ff5a5ffaa67f1c7fdd2947adce9fcace7c23712bd3fa23297c02ef082595f7fc056a19514a0294e34de36cc16f99a4dfc3ff4a28f6fed9ffe7c2b2

    • C:\Users\Admin\AppData\Local\Temp\78D9.exe
      Filesize

      342KB

      MD5

      5081f141de74d785dacfe8254097d29f

      SHA1

      bd8f230e9c79d66718871c0b2a770988e021aa21

      SHA256

      dac6ad2b96313e9fed6a84abc829204b40effc0f89fc602889377b589c28fe4a

      SHA512

      09d507af2faece517c5bdc69ab37d468a9cc9dc177e3737d4e31beffcb38037827c1d3f95a7de5321c914a85e69e1b4fb1c9f5d93ef08457bef57109cca0b6dc

    • C:\Users\Admin\AppData\Local\Temp\78D9.exe
      Filesize

      342KB

      MD5

      5081f141de74d785dacfe8254097d29f

      SHA1

      bd8f230e9c79d66718871c0b2a770988e021aa21

      SHA256

      dac6ad2b96313e9fed6a84abc829204b40effc0f89fc602889377b589c28fe4a

      SHA512

      09d507af2faece517c5bdc69ab37d468a9cc9dc177e3737d4e31beffcb38037827c1d3f95a7de5321c914a85e69e1b4fb1c9f5d93ef08457bef57109cca0b6dc

    • C:\Users\Admin\AppData\Roaming\htcbsdg
      Filesize

      289KB

      MD5

      5cad000c73c0ba510be48eacfc6a892f

      SHA1

      96a56a0881b2f2e0f5d1ac0f65842482f890c87a

      SHA256

      29b5fe14e96f657b41f5fa65332a81ffe23fdf0a79af3bc5f13daec747fb690a

      SHA512

      df48e5fb422b9c35134999347fe961487e68d6f79a3897f679ff596a6d0c8c2b5df4e5651166ed3bed79de5cae10075137ab7d367742c0d837994fd9ce6761f7

    • C:\Users\Admin\AppData\Roaming\htcbsdg
      Filesize

      289KB

      MD5

      5cad000c73c0ba510be48eacfc6a892f

      SHA1

      96a56a0881b2f2e0f5d1ac0f65842482f890c87a

      SHA256

      29b5fe14e96f657b41f5fa65332a81ffe23fdf0a79af3bc5f13daec747fb690a

      SHA512

      df48e5fb422b9c35134999347fe961487e68d6f79a3897f679ff596a6d0c8c2b5df4e5651166ed3bed79de5cae10075137ab7d367742c0d837994fd9ce6761f7

    • \ProgramData\mozglue.dll
      Filesize

      133KB

      MD5

      8f73c08a9660691143661bf7332c3c27

      SHA1

      37fa65dd737c50fda710fdbde89e51374d0c204a

      SHA256

      3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

      SHA512

      0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

    • \ProgramData\nss3.dll
      Filesize

      1.2MB

      MD5

      bfac4e3c5908856ba17d41edcd455a51

      SHA1

      8eec7e888767aa9e4cca8ff246eb2aacb9170428

      SHA256

      e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

      SHA512

      2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

    • memory/1460-143-0x0000000000400000-0x000000000048D000-memory.dmp
      Filesize

      564KB

    • memory/1460-142-0x0000000000490000-0x000000000053E000-memory.dmp
      Filesize

      696KB

    • memory/1460-141-0x0000000000560000-0x00000000006AA000-memory.dmp
      Filesize

      1.3MB

    • memory/2080-145-0x0000000000000000-mapping.dmp
    • memory/2080-149-0x0000000000851000-0x000000000087F000-memory.dmp
      Filesize

      184KB

    • memory/2080-150-0x00000000004B0000-0x00000000005FA000-memory.dmp
      Filesize

      1.3MB

    • memory/2080-151-0x0000000000400000-0x00000000004AB000-memory.dmp
      Filesize

      684KB

    • memory/2080-158-0x0000000060900000-0x0000000060992000-memory.dmp
      Filesize

      584KB

    • memory/2168-148-0x0000000000000000-mapping.dmp
    • memory/2944-128-0x0000000025780000-0x00000000257E6000-memory.dmp
      Filesize

      408KB

    • memory/2944-124-0x00000000054C0000-0x0000000005514000-memory.dmp
      Filesize

      336KB

    • memory/2944-123-0x0000000005370000-0x00000000053C2000-memory.dmp
      Filesize

      328KB

    • memory/2944-129-0x00000000263E0000-0x0000000026472000-memory.dmp
      Filesize

      584KB

    • memory/2944-122-0x00000000009B0000-0x0000000000A0C000-memory.dmp
      Filesize

      368KB

    • memory/2944-130-0x0000000026980000-0x0000000026E7E000-memory.dmp
      Filesize

      5.0MB

    • memory/2944-119-0x0000000000000000-mapping.dmp
    • memory/2944-125-0x0000000005510000-0x000000000555C000-memory.dmp
      Filesize

      304KB

    • memory/3096-115-0x0000000000490000-0x000000000053E000-memory.dmp
      Filesize

      696KB

    • memory/3096-117-0x0000000000400000-0x000000000048D000-memory.dmp
      Filesize

      564KB

    • memory/3096-116-0x0000000000490000-0x000000000053E000-memory.dmp
      Filesize

      696KB

    • memory/3104-181-0x0000000000000000-mapping.dmp
    • memory/3108-180-0x0000000000000000-mapping.dmp
    • memory/3224-118-0x0000000001010000-0x0000000001026000-memory.dmp
      Filesize

      88KB

    • memory/3224-144-0x00000000010C0000-0x00000000010D6000-memory.dmp
      Filesize

      88KB

    • memory/3572-152-0x0000000000000000-mapping.dmp
    • memory/4400-179-0x0000000000000000-mapping.dmp
    • memory/4644-127-0x0000000000000000-mapping.dmp
    • memory/4692-126-0x0000000000000000-mapping.dmp
    • memory/4700-155-0x0000000007050000-0x0000000007212000-memory.dmp
      Filesize

      1.8MB

    • memory/4700-153-0x00000000063F0000-0x0000000006466000-memory.dmp
      Filesize

      472KB

    • memory/4700-154-0x00000000064F0000-0x000000000650E000-memory.dmp
      Filesize

      120KB

    • memory/4700-137-0x00000000054A0000-0x00000000054EB000-memory.dmp
      Filesize

      300KB

    • memory/4700-156-0x0000000007750000-0x0000000007C7C000-memory.dmp
      Filesize

      5.2MB

    • memory/4700-157-0x0000000007320000-0x0000000007370000-memory.dmp
      Filesize

      320KB

    • memory/4700-133-0x0000000005A00000-0x0000000006006000-memory.dmp
      Filesize

      6.0MB

    • memory/4700-132-0x000000000041AD9E-mapping.dmp
    • memory/4700-131-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/4700-134-0x0000000002F60000-0x0000000002F72000-memory.dmp
      Filesize

      72KB

    • memory/4700-135-0x0000000005500000-0x000000000560A000-memory.dmp
      Filesize

      1.0MB

    • memory/4700-136-0x0000000005460000-0x000000000549E000-memory.dmp
      Filesize

      248KB