Analysis

  • max time kernel
    251s
  • max time network
    309s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    19-07-2021 13:28

General

  • Target

    obi1.exe

  • Size

    811KB

  • MD5

    40cc8249b0f31d6e1c0065aab24007b1

  • SHA1

    f73e02ad09976ade8985ec833c5743dc387c9687

  • SHA256

    662fbe23c87844a881ca233876ff75ee05ddf2ac0a1b5546fb5bc7603474860a

  • SHA512

    0d7cc1d3bd30c7c5d2b549c5dd9fe332b95b5947637e8b00fd0790ff4ee6bb222fa3267b60779782a3f1c18e28b1f004f321008fc018c986db36fe37dc44d351

Malware Config

Extracted

Family

warzonerat

C2

dfdgdsasedw.ydns.eu:34566

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1880141509:AAHjseWsCVnzygKB72YGbdj6S0DpdeKfGSs/sendDocument

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • WarzoneRat, AveMaria

    WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

  • AgentTesla Payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Sets DLL path for service in the registry 2 TTPs
  • Loads dropped DLL 9 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.

  • Modifies WinLogon 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\obi1.exe
    "C:\Users\Admin\AppData\Local\Temp\obi1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3944
    • C:\Users\Admin\AppData\Local\Temp\obi1.exe
      C:\Users\Admin\AppData\Local\Temp\obi1.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1312
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /f /v Load /t REG_SZ /d "C:\ProgramData\images.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1304
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /f /v Load /t REG_SZ /d "C:\ProgramData\images.exe"
          4⤵
            PID:2108
        • C:\ProgramData\images.exe
          "C:\ProgramData\images.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3476
          • C:\Users\Admin\AppData\Local\Temp\images.exe
            C:\Users\Admin\AppData\Local\Temp\images.exe
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Modifies WinLogon
            • Drops file in System32 directory
            • Drops file in Program Files directory
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:3912
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe"
              5⤵
                PID:3612
              • C:\Users\Admin\AppData\Roaming\ADgcHjsbF.exe
                "C:\Users\Admin\AppData\Roaming\ADgcHjsbF.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:2964
                • C:\Windows\SysWOW64\schtasks.exe
                  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eRUPcn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE83.tmp"
                  6⤵
                  • Creates scheduled task(s)
                  PID:1424
                • C:\Users\Admin\AppData\Roaming\ADgcHjsbF.exe
                  "{path}"
                  6⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:3672
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3912 -s 1828
                5⤵
                • Program crash
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:3208
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k networkservice -s TermService
        1⤵
          PID:932
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k NetworkService -s TermService
          1⤵
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:188

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Execution

        Scheduled Task

        1
        T1053

        Persistence

        Registry Run Keys / Startup Folder

        1
        T1060

        Winlogon Helper DLL

        1
        T1004

        Scheduled Task

        1
        T1053

        Privilege Escalation

        Scheduled Task

        1
        T1053

        Defense Evasion

        Modify Registry

        2
        T1112

        Credential Access

        Credentials in Files

        3
        T1081

        Discovery

        System Information Discovery

        1
        T1082

        Collection

        Data from Local System

        3
        T1005

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\images.exe
          MD5

          40cc8249b0f31d6e1c0065aab24007b1

          SHA1

          f73e02ad09976ade8985ec833c5743dc387c9687

          SHA256

          662fbe23c87844a881ca233876ff75ee05ddf2ac0a1b5546fb5bc7603474860a

          SHA512

          0d7cc1d3bd30c7c5d2b549c5dd9fe332b95b5947637e8b00fd0790ff4ee6bb222fa3267b60779782a3f1c18e28b1f004f321008fc018c986db36fe37dc44d351

        • C:\ProgramData\images.exe
          MD5

          40cc8249b0f31d6e1c0065aab24007b1

          SHA1

          f73e02ad09976ade8985ec833c5743dc387c9687

          SHA256

          662fbe23c87844a881ca233876ff75ee05ddf2ac0a1b5546fb5bc7603474860a

          SHA512

          0d7cc1d3bd30c7c5d2b549c5dd9fe332b95b5947637e8b00fd0790ff4ee6bb222fa3267b60779782a3f1c18e28b1f004f321008fc018c986db36fe37dc44d351

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ADgcHjsbF.exe.log
          MD5

          0c2899d7c6746f42d5bbe088c777f94c

          SHA1

          622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

          SHA256

          5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

          SHA512

          ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

        • C:\Users\Admin\AppData\Local\Temp\images.exe
          MD5

          40cc8249b0f31d6e1c0065aab24007b1

          SHA1

          f73e02ad09976ade8985ec833c5743dc387c9687

          SHA256

          662fbe23c87844a881ca233876ff75ee05ddf2ac0a1b5546fb5bc7603474860a

          SHA512

          0d7cc1d3bd30c7c5d2b549c5dd9fe332b95b5947637e8b00fd0790ff4ee6bb222fa3267b60779782a3f1c18e28b1f004f321008fc018c986db36fe37dc44d351

        • C:\Users\Admin\AppData\Local\Temp\images.exe
          MD5

          40cc8249b0f31d6e1c0065aab24007b1

          SHA1

          f73e02ad09976ade8985ec833c5743dc387c9687

          SHA256

          662fbe23c87844a881ca233876ff75ee05ddf2ac0a1b5546fb5bc7603474860a

          SHA512

          0d7cc1d3bd30c7c5d2b549c5dd9fe332b95b5947637e8b00fd0790ff4ee6bb222fa3267b60779782a3f1c18e28b1f004f321008fc018c986db36fe37dc44d351

        • C:\Users\Admin\AppData\Local\Temp\tmpE83.tmp
          MD5

          83aab4be71388bc6472b637114247538

          SHA1

          4e74f4bfed326fc2bb0113d867339db389397142

          SHA256

          95d0f1ddfdb4239d6c1965afbe4166f40366272e46b0cab060a57be451255eb7

          SHA512

          c182eb2a0f626708a6f4225e684d7e3f0b11fc00892dd3740fa55f84f03214c645adec3aaa89f4f644d2b3f05777bf43aa983ab1fd918c396108f5796329cd1b

        • C:\Users\Admin\AppData\Roaming\ADgcHjsbF.exe
          MD5

          f4551cadd68cf58e1ea86d3664eefd4c

          SHA1

          e184513a01eb1dd3a34998f6f3c756681687eb90

          SHA256

          90f026ae8692c2199e2a5e8ea618c93ff00fd5d07ac974191ca5f060c1f7c737

          SHA512

          e52f815e10d145b0f81630ab60c87644cfb6ba53e026f367d5d29ce096bdc3b4db772456bb3df0e40ccc68f08648a27b520a923a05d4c24f8faf45be63efd843

        • C:\Users\Admin\AppData\Roaming\ADgcHjsbF.exe
          MD5

          f4551cadd68cf58e1ea86d3664eefd4c

          SHA1

          e184513a01eb1dd3a34998f6f3c756681687eb90

          SHA256

          90f026ae8692c2199e2a5e8ea618c93ff00fd5d07ac974191ca5f060c1f7c737

          SHA512

          e52f815e10d145b0f81630ab60c87644cfb6ba53e026f367d5d29ce096bdc3b4db772456bb3df0e40ccc68f08648a27b520a923a05d4c24f8faf45be63efd843

        • C:\Users\Admin\AppData\Roaming\ADgcHjsbF.exe
          MD5

          f4551cadd68cf58e1ea86d3664eefd4c

          SHA1

          e184513a01eb1dd3a34998f6f3c756681687eb90

          SHA256

          90f026ae8692c2199e2a5e8ea618c93ff00fd5d07ac974191ca5f060c1f7c737

          SHA512

          e52f815e10d145b0f81630ab60c87644cfb6ba53e026f367d5d29ce096bdc3b4db772456bb3df0e40ccc68f08648a27b520a923a05d4c24f8faf45be63efd843

        • \??\c:\program files\microsoft dn1\rdpwrap.ini
          MD5

          6bc395161b04aa555d5a4e8eb8320020

          SHA1

          f18544faa4bd067f6773a373d580e111b0c8c300

          SHA256

          23390dfcda60f292ba1e52abb5ba2f829335351f4f9b1d33a9a6ad7a9bf5e2be

          SHA512

          679ac80c26422667ca5f2a6d9f0e022ef76bc9b09f97ad390b81f2e286446f0658524ccc8346a6e79d10e42131bc428f7c0ce4541d44d83af8134c499436daae

        • \??\c:\program files\microsoft dn1\sqlmap.dll
          MD5

          461ade40b800ae80a40985594e1ac236

          SHA1

          b3892eef846c044a2b0785d54a432b3e93a968c8

          SHA256

          798af20db39280f90a1d35f2ac2c1d62124d1f5218a2a0fa29d87a13340bd3e4

          SHA512

          421f9060c4b61fa6f4074508602a2639209032fd5df5bfc702a159e3bad5479684ccb3f6e02f3e38fb8db53839cf3f41fe58a3acad6ec1199a48dc333b2d8a26

        • \Program Files\Microsoft DN1\sqlmap.dll
          MD5

          461ade40b800ae80a40985594e1ac236

          SHA1

          b3892eef846c044a2b0785d54a432b3e93a968c8

          SHA256

          798af20db39280f90a1d35f2ac2c1d62124d1f5218a2a0fa29d87a13340bd3e4

          SHA512

          421f9060c4b61fa6f4074508602a2639209032fd5df5bfc702a159e3bad5479684ccb3f6e02f3e38fb8db53839cf3f41fe58a3acad6ec1199a48dc333b2d8a26

        • \Users\Admin\AppData\Local\Temp\freebl3.dll
          MD5

          ef12ab9d0b231b8f898067b2114b1bc0

          SHA1

          6d90f27b2105945f9bb77039e8b892070a5f9442

          SHA256

          2b00fc4f541ac10c94e3556ff28e30a801811c36422546a546a445aca3f410f7

          SHA512

          2aa62bfba556ad8f042942dd25aa071ff6677c257904377c1ec956fd9e862abcbf379e0cfd8c630c303a32ece75618c24e3eef58bddb705c427985b944689193

        • \Users\Admin\AppData\Local\Temp\mozglue.dll
          MD5

          75f8cc548cabf0cc800c25047e4d3124

          SHA1

          602676768f9faecd35b48c38a0632781dfbde10c

          SHA256

          fb419a60305f17359e2ac0510233ee80e845885eee60607715c67dd88e501ef0

          SHA512

          ed831c9c769aef3be253c52542cf032afa0a8fa5fe25ca704db65ee6883c608220df7102ac2b99ee9c2e599a0f5db99fd86894a4b169e68440eb1b0d0012672f

        • \Users\Admin\AppData\Local\Temp\msvcp140.dll
          MD5

          109f0f02fd37c84bfc7508d4227d7ed5

          SHA1

          ef7420141bb15ac334d3964082361a460bfdb975

          SHA256

          334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

          SHA512

          46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

        • \Users\Admin\AppData\Local\Temp\nss3.dll
          MD5

          d7858e8449004e21b01d468e9fd04b82

          SHA1

          9524352071ede21c167e7e4f106e9526dc23ef4e

          SHA256

          78758bf7f3b3b5e3477e38354acd32d787bc1286c8bd9b873471b9c195e638db

          SHA512

          1e2c981e6c0ca36c60c6e9cae9548b866d5c524df837095b30d618d9c322def7134c20de820105400dd1b58076b66d90274f67773ac6ba914f611b419babb440

        • \Users\Admin\AppData\Local\Temp\softokn3.dll
          MD5

          e96787977f949f5e6e46d2e401459e6f

          SHA1

          3d2e23e3e8a965dc8548ed65bc9df9f59364f261

          SHA256

          4a0b84eb9e6768a13d198b891fabeb4a8c11989a5e2629166a63aafddf770c57

          SHA512

          bdb8fb7029e63fb4c6661d74741efd93ce89da6c4428528f839b0415276cc961f8b0014c0b0cdf5644a01857b61170ad41ce79ab3ed38856abe71908a3175076

        • \Users\Admin\AppData\Local\Temp\softokn3.dll
          MD5

          e96787977f949f5e6e46d2e401459e6f

          SHA1

          3d2e23e3e8a965dc8548ed65bc9df9f59364f261

          SHA256

          4a0b84eb9e6768a13d198b891fabeb4a8c11989a5e2629166a63aafddf770c57

          SHA512

          bdb8fb7029e63fb4c6661d74741efd93ce89da6c4428528f839b0415276cc961f8b0014c0b0cdf5644a01857b61170ad41ce79ab3ed38856abe71908a3175076

        • \Users\Admin\AppData\Local\Temp\softokn3.dll
          MD5

          e96787977f949f5e6e46d2e401459e6f

          SHA1

          3d2e23e3e8a965dc8548ed65bc9df9f59364f261

          SHA256

          4a0b84eb9e6768a13d198b891fabeb4a8c11989a5e2629166a63aafddf770c57

          SHA512

          bdb8fb7029e63fb4c6661d74741efd93ce89da6c4428528f839b0415276cc961f8b0014c0b0cdf5644a01857b61170ad41ce79ab3ed38856abe71908a3175076

        • \Users\Admin\AppData\Local\Temp\softokn3.dll
          MD5

          e96787977f949f5e6e46d2e401459e6f

          SHA1

          3d2e23e3e8a965dc8548ed65bc9df9f59364f261

          SHA256

          4a0b84eb9e6768a13d198b891fabeb4a8c11989a5e2629166a63aafddf770c57

          SHA512

          bdb8fb7029e63fb4c6661d74741efd93ce89da6c4428528f839b0415276cc961f8b0014c0b0cdf5644a01857b61170ad41ce79ab3ed38856abe71908a3175076

        • memory/1304-132-0x0000000000000000-mapping.dmp
        • memory/1312-128-0x0000000000400000-0x000000000055E000-memory.dmp
          Filesize

          1.4MB

        • memory/1312-129-0x0000000000405E28-mapping.dmp
        • memory/1312-131-0x0000000000400000-0x000000000055E000-memory.dmp
          Filesize

          1.4MB

        • memory/1424-176-0x0000000000000000-mapping.dmp
        • memory/2108-139-0x0000000000000000-mapping.dmp
        • memory/2964-163-0x0000000000D60000-0x0000000000D61000-memory.dmp
          Filesize

          4KB

        • memory/2964-175-0x000000000A240000-0x000000000A29A000-memory.dmp
          Filesize

          360KB

        • memory/2964-160-0x0000000000000000-mapping.dmp
        • memory/2964-168-0x0000000005880000-0x0000000005882000-memory.dmp
          Filesize

          8KB

        • memory/2964-169-0x0000000007450000-0x0000000007451000-memory.dmp
          Filesize

          4KB

        • memory/2964-170-0x0000000005620000-0x0000000005B1E000-memory.dmp
          Filesize

          5.0MB

        • memory/2964-174-0x0000000007AE0000-0x0000000007B7F000-memory.dmp
          Filesize

          636KB

        • memory/3476-142-0x0000000004E70000-0x0000000004F02000-memory.dmp
          Filesize

          584KB

        • memory/3476-155-0x0000000004F03000-0x0000000004F05000-memory.dmp
          Filesize

          8KB

        • memory/3476-133-0x0000000000000000-mapping.dmp
        • memory/3612-157-0x0000000000000000-mapping.dmp
        • memory/3612-158-0x00000000026D0000-0x00000000026D1000-memory.dmp
          Filesize

          4KB

        • memory/3672-178-0x0000000000400000-0x000000000043C000-memory.dmp
          Filesize

          240KB

        • memory/3672-198-0x0000000005B70000-0x0000000005B71000-memory.dmp
          Filesize

          4KB

        • memory/3672-179-0x000000000043777E-mapping.dmp
        • memory/3672-186-0x0000000005060000-0x0000000005061000-memory.dmp
          Filesize

          4KB

        • memory/3672-197-0x00000000054E0000-0x00000000054E1000-memory.dmp
          Filesize

          4KB

        • memory/3912-196-0x00000000056D0000-0x0000000005754000-memory.dmp
          Filesize

          528KB

        • memory/3912-152-0x0000000000405E28-mapping.dmp
        • memory/3912-156-0x0000000000400000-0x000000000055E000-memory.dmp
          Filesize

          1.4MB

        • memory/3912-159-0x0000000004830000-0x000000000496C000-memory.dmp
          Filesize

          1.2MB

        • memory/3912-187-0x0000000004A00000-0x0000000004A84000-memory.dmp
          Filesize

          528KB

        • memory/3944-127-0x0000000009020000-0x0000000009021000-memory.dmp
          Filesize

          4KB

        • memory/3944-121-0x0000000007450000-0x0000000007451000-memory.dmp
          Filesize

          4KB

        • memory/3944-120-0x0000000007380000-0x00000000073CE000-memory.dmp
          Filesize

          312KB

        • memory/3944-119-0x0000000005340000-0x000000000583E000-memory.dmp
          Filesize

          5.0MB

        • memory/3944-118-0x0000000005390000-0x0000000005391000-memory.dmp
          Filesize

          4KB

        • memory/3944-117-0x00000000053E0000-0x00000000053E1000-memory.dmp
          Filesize

          4KB

        • memory/3944-116-0x0000000005840000-0x0000000005841000-memory.dmp
          Filesize

          4KB

        • memory/3944-126-0x0000000008E20000-0x0000000008E87000-memory.dmp
          Filesize

          412KB

        • memory/3944-114-0x0000000000A90000-0x0000000000A91000-memory.dmp
          Filesize

          4KB

        • memory/3944-130-0x0000000005340000-0x000000000583E000-memory.dmp
          Filesize

          5.0MB