Analysis

  • max time kernel
    103s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2024 16:55

General

  • Target

    3e83abe805ea3cd0852235f3365e1cf9.exe

  • Size

    3.3MB

  • MD5

    3e83abe805ea3cd0852235f3365e1cf9

  • SHA1

    6bfb7ee7cb01ed2e9e50658193847954900f26a5

  • SHA256

    079e8468f9e6f11a839e931ab04d45036acb2574aa37a4f749d6db98a61509cc

  • SHA512

    99746e551e3cb48601ec6875d1e7a33872391edc71b50777e0856cfeefa3e7bc3ab10082e06e300de27a78074ab89191427de881984f1b7c63d1a8d040472a2a

  • SSDEEP

    49152:xcBfxD1zheQnY4So8DiYJnmlJxqqWkDpyZvVivHtlJp/k3EwJ84vLRaBtIl9mT0C:xQ18QgiBlJxzW3ZWtlPcUCvLUBsKS2

Malware Config

Extracted

Family

nullmixer

C2

http://razino.xyz/

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

smokeloader

Botnet

pub5

Extracted

Family

smokeloader

Version

2020

C2

http://ppcspb.com/upload/

http://mebbing.com/upload/

http://twcamel.com/upload/

http://howdycash.com/upload/

http://lahuertasonora.com/upload/

http://kpotiques.com/upload/

rc4.i32
rc4.i32

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 7 IoCs
  • NullMixer

    NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Nirsoft 3 IoCs
  • Vidar Stealer 4 IoCs
  • ASPack v2.12-2.42 4 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 10 IoCs
  • Loads dropped DLL 9 IoCs
  • UPX packed file 5 IoCs

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

  • Looks up external IP address via web service 3 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 4 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e83abe805ea3cd0852235f3365e1cf9.exe
    "C:\Users\Admin\AppData\Local\Temp\3e83abe805ea3cd0852235f3365e1cf9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Users\Admin\AppData\Local\Temp\7zSCC73AF17\setup_install.exe
      "C:\Users\Admin\AppData\Local\Temp\7zSCC73AF17\setup_install.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2144
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 544
        3⤵
        • Program crash
        PID:3080
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c sotema_7.exe
        3⤵
          PID:2748
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c sotema_6.exe
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4928
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c sotema_5.exe
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5056
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c sotema_4.exe
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2036
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c sotema_3.exe
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2624
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c sotema_2.exe
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5000
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c sotema_1.exe
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3812
    • C:\Users\Admin\AppData\Local\Temp\7zSCC73AF17\sotema_6.exe
      sotema_6.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:208
      • C:\Users\Admin\AppData\Local\Temp\is-IETH7.tmp\sotema_6.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-IETH7.tmp\sotema_6.tmp" /SL5="$D003E,506127,422400,C:\Users\Admin\AppData\Local\Temp\7zSCC73AF17\sotema_6.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3864
    • C:\Users\Admin\AppData\Local\Temp\7zSCC73AF17\sotema_4.exe
      sotema_4.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3560
      • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
        C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
        2⤵
        • Executes dropped EXE
        PID:2460
      • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
        C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
        2⤵
        • Executes dropped EXE
        PID:4372
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2144 -ip 2144
      1⤵
        PID:2084
      • C:\Users\Admin\AppData\Local\Temp\7zSCC73AF17\sotema_2.exe
        sotema_2.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:4404
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4404 -s 412
          2⤵
          • Program crash
          PID:3080
      • C:\Users\Admin\AppData\Local\Temp\7zSCC73AF17\sotema_5.exe
        sotema_5.exe
        1⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        PID:4572
      • C:\Users\Admin\AppData\Local\Temp\7zSCC73AF17\sotema_3.exe
        sotema_3.exe
        1⤵
        • Executes dropped EXE
        PID:4960
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4960 -s 1272
          2⤵
          • Program crash
          PID:2864
      • C:\Users\Admin\AppData\Local\Temp\7zSCC73AF17\sotema_1.exe
        sotema_1.exe
        1⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:1496
        • C:\Windows\SysWOW64\rUNdlL32.eXe
          "C:\Windows\system32\rUNdlL32.eXe" "C:\Users\Admin\AppData\Local\Temp\axhub.dll",axhub
          2⤵
          • Loads dropped DLL
          PID:4724
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4724 -s 616
            3⤵
            • Program crash
            PID:1664
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4724 -ip 4724
        1⤵
          PID:3856
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4404 -ip 4404
          1⤵
            PID:4476
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4960 -ip 4960
            1⤵
              PID:5096

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\7zSCC73AF17\libcurl.dll

              Filesize

              218KB

              MD5

              d09be1f47fd6b827c81a4812b4f7296f

              SHA1

              028ae3596c0790e6d7f9f2f3c8e9591527d267f7

              SHA256

              0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e

              SHA512

              857f44a1383c29208509b8f1164b6438d750d5bb4419add7626986333433e67a0d1211ec240ce9472f30a1f32b16c8097aceba4b2255641b3d8928f94237f595

            • C:\Users\Admin\AppData\Local\Temp\7zSCC73AF17\libcurlpp.dll

              Filesize

              54KB

              MD5

              e6e578373c2e416289a8da55f1dc5e8e

              SHA1

              b601a229b66ec3d19c2369b36216c6f6eb1c063e

              SHA256

              43e86d650a68f1f91fa2f4375aff2720e934aa78fa3d33e06363122bf5a9535f

              SHA512

              9df6a8c418113a77051f6cb02745ad48c521c13cdadb85e0e37f79e29041464c8c7d7ba8c558fdd877035eb8475b6f93e7fc62b38504ddfe696a61480cabac89

            • C:\Users\Admin\AppData\Local\Temp\7zSCC73AF17\libgcc_s_dw2-1.dll

              Filesize

              113KB

              MD5

              9aec524b616618b0d3d00b27b6f51da1

              SHA1

              64264300801a353db324d11738ffed876550e1d3

              SHA256

              59a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e

              SHA512

              0648a26940e8f4aad73b05ad53e43316dd688e5d55e293cce88267b2b8744412be2e0d507dadad830776bf715bcd819f00f5d1f7ac1c5f1c4f682fb7457a20d0

            • C:\Users\Admin\AppData\Local\Temp\7zSCC73AF17\libstdc++-6.dll

              Filesize

              647KB

              MD5

              5e279950775baae5fea04d2cc4526bcc

              SHA1

              8aef1e10031c3629512c43dd8b0b5d9060878453

              SHA256

              97de47068327bb822b33c7106f9cbb489480901a6749513ef5c31d229dcaca87

              SHA512

              666325e9ed71da4955058aea31b91e2e848be43211e511865f393b7f537c208c6b31c182f7d728c2704e9fc87e7d1be3f98f5fee4d34f11c56764e1c599afd02

            • C:\Users\Admin\AppData\Local\Temp\7zSCC73AF17\libwinpthread-1.dll

              Filesize

              69KB

              MD5

              1e0d62c34ff2e649ebc5c372065732ee

              SHA1

              fcfaa36ba456159b26140a43e80fbd7e9d9af2de

              SHA256

              509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723

              SHA512

              3653f8ed8ad3476632f731a3e76c6aae97898e4bf14f70007c93e53bc443906835be29f861c4a123db5b11e0f3dd5013b2b3833469a062060825df9ee708dc61

            • C:\Users\Admin\AppData\Local\Temp\7zSCC73AF17\setup_install.exe

              Filesize

              290KB

              MD5

              3d303b3b9b27855fb496d3bd52f1ca50

              SHA1

              a2da695067708e2680bdfa4ee40e647c45835471

              SHA256

              2051d0eb2aeec65a2699604355cea561461027ee6bbc886ce9a69f82abb11a21

              SHA512

              fbc9502c00fef8a0c96c03a9da18ca6e402a81ff333f02378525d7750002b28a029d08f47a276ef6a08d324ac78dee3f2671db1d3d8fbc0f46e311ebc0f44dbe

            • C:\Users\Admin\AppData\Local\Temp\7zSCC73AF17\sotema_1.txt

              Filesize

              381KB

              MD5

              2818bdce5133eadc7c83f2a0dd7aa41c

              SHA1

              bbc7692225b116efa43cf1a1af398e7afe384046

              SHA256

              cd6c695cdd6870aa4050e3685dd817c9a8b8ab65dafa294e69665cc14134380e

              SHA512

              dab529f3f559e5cda144ba217fc0adb9cbee52dcdd42a03b1d2dc6671d44893eb8281992a8c3aa634cf51ae9394d129a2b1564279b0b712417fe5731fee021e7

            • C:\Users\Admin\AppData\Local\Temp\7zSCC73AF17\sotema_2.txt

              Filesize

              92KB

              MD5

              79b70ebb97156f31c7b2f06c59af2c22

              SHA1

              78399ec0d1cddeb8f521a421de10bbac80b3dca6

              SHA256

              9ea6df972a2e02f1203d4c9846afe89d2bc5af6cf7ea9c213d3af3bc7916a21c

              SHA512

              5218321c482c3f2ad7e56f4af4b608fb7271eed5df2cc2fc561a648ec38ba6ff086731656d635f2e3d3296e1a30f9e87d36fa7496952975b64450c3fec07b233

            • C:\Users\Admin\AppData\Local\Temp\7zSCC73AF17\sotema_3.txt

              Filesize

              92KB

              MD5

              7058c45f373995faa50f16e0e3f96a6f

              SHA1

              93ab52ba744c82add0c5ecab66394bcabcab840c

              SHA256

              9976a1d0ef2cf4c48c19521059c722f54ec79eae7791059acf2cbbcf8d9d5670

              SHA512

              211c4ee9763523f7d31001103ed9ced6737ddfad493f765e14353d411e34f7cb6a7d55510cb3dc60751d88c773df34258680bf0cf5c00bbaf66efc37dea6dfb9

            • C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt

              Filesize

              1KB

              MD5

              c91fa2e75dc53b826484d57dec211c67

              SHA1

              f5ab562fe04c845812d6c768461a2dc903efabad

              SHA256

              10222946d40c8b0f46e2525133f0c80870c264b02522c7683ed97d4e2c7ce25f

              SHA512

              431b8f600dd52f5682977c038587ad0e5506bbdf27a10ce54da3034255f51921afacc162ad7a06f8ceef1b134a9b9bf7b4dd3930045ece4fa51f57c6a1b3ad1b

            • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe

              Filesize

              61KB

              MD5

              a6279ec92ff948760ce53bba817d6a77

              SHA1

              5345505e12f9e4c6d569a226d50e71b5a572dce2

              SHA256

              8b581869bf8944a8e0aa169adea2a4afe47434123da477132880aff6a5032181

              SHA512

              213cb374f1273c899e0c88a20c0101a7c28024ce5046a2e0d7898bd182d918288bb80367fea4454c437c057ff9ed4fffd42be48a13ca73653021a6d63e1cfa9c

            • C:\Users\Admin\AppData\Roaming\egiejja

              Filesize

              346KB

              MD5

              96af2c79a790d9fae18c6caffd2a9aff

              SHA1

              4b0fed687fb10a3d10f9812969e6da0586b790c4

              SHA256

              d43979eb205824fed0c5c37b95d93d090268ecde76e1ba2cb6b67733b0592c62

              SHA512

              e1527a7207841b72519645809b5a878c6cfc6a418f61294577d1fbd0137ad7b910248b31cc44ef446ccb7942d71cdeb5d33dee9086ee880fc1cb017303a16fae

            • \??\c:\users\admin\appdata\local\temp\is-ieth7.tmp\sotema_6.tmp

              Filesize

              382KB

              MD5

              862320e155f24545657958fa81e8211e

              SHA1

              7be1b0947497b6ee03bf806a88f331b084942b14

              SHA256

              8ad1d9b11fece5f11a4b11218f31e5039e87e149e5fac63ecbd01a8b61476d05

              SHA512

              3b0ded5f69ebc3bba80f036667b4782326f7e9e934413f349ca59f57ac77eba78f68345ff348017f366b7d505369b174977360cf35fd6fb45e6de648c33f1d71

            • memory/208-149-0x0000000000400000-0x000000000046D000-memory.dmp

              Filesize

              436KB

            • memory/208-72-0x0000000000400000-0x000000000046D000-memory.dmp

              Filesize

              436KB

            • memory/208-187-0x0000000000400000-0x000000000046D000-memory.dmp

              Filesize

              436KB

            • memory/2144-47-0x000000006B440000-0x000000006B4CF000-memory.dmp

              Filesize

              572KB

            • memory/2144-54-0x000000006FE40000-0x000000006FFC6000-memory.dmp

              Filesize

              1.5MB

            • memory/2144-117-0x000000006B440000-0x000000006B4CF000-memory.dmp

              Filesize

              572KB

            • memory/2144-118-0x000000006EB40000-0x000000006EB63000-memory.dmp

              Filesize

              140KB

            • memory/2144-121-0x000000006FE40000-0x000000006FFC6000-memory.dmp

              Filesize

              1.5MB

            • memory/2144-115-0x0000000064940000-0x0000000064959000-memory.dmp

              Filesize

              100KB

            • memory/2144-114-0x0000000000400000-0x000000000051E000-memory.dmp

              Filesize

              1.1MB

            • memory/2144-30-0x0000000000400000-0x000000000051E000-memory.dmp

              Filesize

              1.1MB

            • memory/2144-62-0x0000000000400000-0x000000000051E000-memory.dmp

              Filesize

              1.1MB

            • memory/2144-61-0x0000000000400000-0x000000000051E000-memory.dmp

              Filesize

              1.1MB

            • memory/2144-60-0x0000000000400000-0x000000000051E000-memory.dmp

              Filesize

              1.1MB

            • memory/2144-59-0x0000000000400000-0x000000000051E000-memory.dmp

              Filesize

              1.1MB

            • memory/2144-57-0x0000000000400000-0x000000000051E000-memory.dmp

              Filesize

              1.1MB

            • memory/2144-44-0x000000006B280000-0x000000006B2A6000-memory.dmp

              Filesize

              152KB

            • memory/2144-43-0x000000006B440000-0x000000006B4CF000-memory.dmp

              Filesize

              572KB

            • memory/2144-48-0x0000000000EB0000-0x0000000000F3F000-memory.dmp

              Filesize

              572KB

            • memory/2144-51-0x0000000064940000-0x0000000064959000-memory.dmp

              Filesize

              100KB

            • memory/2144-58-0x0000000000400000-0x000000000051E000-memory.dmp

              Filesize

              1.1MB

            • memory/2144-46-0x000000006B440000-0x000000006B4CF000-memory.dmp

              Filesize

              572KB

            • memory/2144-56-0x000000006B280000-0x000000006B2A6000-memory.dmp

              Filesize

              152KB

            • memory/2144-55-0x000000006B280000-0x000000006B2A6000-memory.dmp

              Filesize

              152KB

            • memory/2144-116-0x000000006B280000-0x000000006B2A6000-memory.dmp

              Filesize

              152KB

            • memory/2144-53-0x000000006FE40000-0x000000006FFC6000-memory.dmp

              Filesize

              1.5MB

            • memory/2144-52-0x000000006FE40000-0x000000006FFC6000-memory.dmp

              Filesize

              1.5MB

            • memory/2144-50-0x000000006FE40000-0x000000006FFC6000-memory.dmp

              Filesize

              1.5MB

            • memory/2460-108-0x0000000000400000-0x000000000045B000-memory.dmp

              Filesize

              364KB

            • memory/2460-111-0x0000000000400000-0x000000000045B000-memory.dmp

              Filesize

              364KB

            • memory/3456-142-0x0000000002970000-0x0000000002986000-memory.dmp

              Filesize

              88KB

            • memory/3864-151-0x0000000000400000-0x0000000000516000-memory.dmp

              Filesize

              1.1MB

            • memory/3864-175-0x0000000000400000-0x0000000000516000-memory.dmp

              Filesize

              1.1MB

            • memory/3864-92-0x0000000002130000-0x0000000002131000-memory.dmp

              Filesize

              4KB

            • memory/3864-186-0x0000000000400000-0x0000000000516000-memory.dmp

              Filesize

              1.1MB

            • memory/4372-163-0x0000000000400000-0x0000000000422000-memory.dmp

              Filesize

              136KB

            • memory/4372-158-0x0000000000400000-0x0000000000422000-memory.dmp

              Filesize

              136KB

            • memory/4404-145-0x0000000000400000-0x00000000008F5000-memory.dmp

              Filesize

              5.0MB

            • memory/4404-128-0x0000000000A60000-0x0000000000A69000-memory.dmp

              Filesize

              36KB

            • memory/4404-126-0x0000000000AD0000-0x0000000000BD0000-memory.dmp

              Filesize

              1024KB

            • memory/4404-132-0x0000000000400000-0x00000000008F5000-memory.dmp

              Filesize

              5.0MB

            • memory/4960-153-0x0000000002610000-0x00000000026AD000-memory.dmp

              Filesize

              628KB

            • memory/4960-134-0x0000000002610000-0x00000000026AD000-memory.dmp

              Filesize

              628KB

            • memory/4960-135-0x0000000000400000-0x000000000094A000-memory.dmp

              Filesize

              5.3MB

            • memory/4960-133-0x0000000000A20000-0x0000000000B20000-memory.dmp

              Filesize

              1024KB

            • memory/4960-150-0x0000000000400000-0x000000000094A000-memory.dmp

              Filesize

              5.3MB