Analysis

  • max time kernel
    62s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    24-06-2021 12:07

General

  • Target

    19e68852c211ebf0cee8dd310f5d191b50e0eae8e32c20d8be8a84afb795e980.exe

  • Size

    784KB

  • MD5

    fcff182cb8fed42e720a19ed5b997e5a

  • SHA1

    73f95a618c8659acf1ca63bdc9fdf24f72cb27be

  • SHA256

    19e68852c211ebf0cee8dd310f5d191b50e0eae8e32c20d8be8a84afb795e980

  • SHA512

    b0d74845b3020a547347ef2a11a26a6512a50cf56da54d2fec602661bf7edfde33c09457e7a049c66b035a3b765dc48ddebfc9a89c0f43d572f9779c1be15404

Malware Config

Extracted

Family

redline

Botnet

111111322

C2

verecalina.xyz:80

Extracted

Family

vidar

Version

39.4

Botnet

909

C2

https://sergeevih43.tumblr.com

Attributes
  • profile_id

    909

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • RedLine

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

  • RedLine Payload 3 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Vidar Stealer 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 5 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Loads dropped DLL 8 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\19e68852c211ebf0cee8dd310f5d191b50e0eae8e32c20d8be8a84afb795e980.exe
    "C:\Users\Admin\AppData\Local\Temp\19e68852c211ebf0cee8dd310f5d191b50e0eae8e32c20d8be8a84afb795e980.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Users\Admin\Documents\ayaDNL1D7jbck0wB04PkJVoC.exe
      "C:\Users\Admin\Documents\ayaDNL1D7jbck0wB04PkJVoC.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1472
      • C:\Users\Admin\Documents\ayaDNL1D7jbck0wB04PkJVoC.exe
        C:\Users\Admin\Documents\ayaDNL1D7jbck0wB04PkJVoC.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1824
    • C:\Users\Admin\Documents\lFBfHkr6M295jDDsM0uWS5nv.exe
      "C:\Users\Admin\Documents\lFBfHkr6M295jDDsM0uWS5nv.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:804
    • C:\Users\Admin\Documents\dRkMeGTKQj6LRi5P6rNjTzfQ.exe
      "C:\Users\Admin\Documents\dRkMeGTKQj6LRi5P6rNjTzfQ.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1368
      • C:\Users\Admin\Documents\dRkMeGTKQj6LRi5P6rNjTzfQ.exe
        "{path}"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:956
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c taskkill /im dRkMeGTKQj6LRi5P6rNjTzfQ.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\Documents\dRkMeGTKQj6LRi5P6rNjTzfQ.exe" & del C:\ProgramData\*.dll & exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1664
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /im dRkMeGTKQj6LRi5P6rNjTzfQ.exe /f
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:532
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 6
            5⤵
            • Delays execution with timeout.exe
            PID:1284

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\freebl3.dll
    MD5

    ef2834ac4ee7d6724f255beaf527e635

    SHA1

    5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

    SHA256

    a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

    SHA512

    c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

  • C:\ProgramData\mozglue.dll
    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • C:\ProgramData\msvcp140.dll
    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • C:\ProgramData\nss3.dll
    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • C:\ProgramData\softokn3.dll
    MD5

    a2ee53de9167bf0d6c019303b7ca84e5

    SHA1

    2a3c737fa1157e8483815e98b666408a18c0db42

    SHA256

    43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

    SHA512

    45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

  • C:\ProgramData\vcruntime140.dll
    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    MD5

    2902de11e30dcc620b184e3bb0f0c1cb

    SHA1

    5d11d14a2558801a2688dc2d6dfad39ac294f222

    SHA256

    e6a7f1f8810e46a736e80ee5ac6187690f28f4d5d35d130d410e20084b2c1544

    SHA512

    efd415cde25b827ac2a7ca4d6486ce3a43cdcc1c31d3a94fd7944681aa3e83a4966625bf2e6770581c4b59d05e35ff9318d9adaddade9070f131076892af2fa0

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    MD5

    7aa9665b656877d962e0b9ce4179b14c

    SHA1

    47aed5f602476c135060138ed6695c0459e22348

    SHA256

    0c092c537c29d68d28449fa9427ecd569ca6fc9e5a027e810755bcc3e9aaf104

    SHA512

    852a3d91960f9ef5b7c47eac8972a492ce2a813938386736d8d4d9c4b539dec4731765ddf7ef5cb5cb0903941e11baf58ad301cca64c3caeaf570150b9fdaabb

  • C:\Users\Admin\Documents\ayaDNL1D7jbck0wB04PkJVoC.exe
    MD5

    26ec22872e63ca904f54feefb25f5c9c

    SHA1

    61b3895757bb39e8b1fa59a708194e1baa4ad54e

    SHA256

    05075607946fe7bb8e7bf692ddf5c00f0a9dd1a23aa70a93c19e772093bad1eb

    SHA512

    28efe0d541a995bf156482da180d7f383b28affba53b28f4a661a94a190196030c6cc75cfa63357a3a39ab5549aabc30ac11d32acaca880f4832569a8794d9e1

  • C:\Users\Admin\Documents\ayaDNL1D7jbck0wB04PkJVoC.exe
    MD5

    26ec22872e63ca904f54feefb25f5c9c

    SHA1

    61b3895757bb39e8b1fa59a708194e1baa4ad54e

    SHA256

    05075607946fe7bb8e7bf692ddf5c00f0a9dd1a23aa70a93c19e772093bad1eb

    SHA512

    28efe0d541a995bf156482da180d7f383b28affba53b28f4a661a94a190196030c6cc75cfa63357a3a39ab5549aabc30ac11d32acaca880f4832569a8794d9e1

  • C:\Users\Admin\Documents\ayaDNL1D7jbck0wB04PkJVoC.exe
    MD5

    26ec22872e63ca904f54feefb25f5c9c

    SHA1

    61b3895757bb39e8b1fa59a708194e1baa4ad54e

    SHA256

    05075607946fe7bb8e7bf692ddf5c00f0a9dd1a23aa70a93c19e772093bad1eb

    SHA512

    28efe0d541a995bf156482da180d7f383b28affba53b28f4a661a94a190196030c6cc75cfa63357a3a39ab5549aabc30ac11d32acaca880f4832569a8794d9e1

  • C:\Users\Admin\Documents\dRkMeGTKQj6LRi5P6rNjTzfQ.exe
    MD5

    7d6641e15ab1437b03d2238f3f41bf4f

    SHA1

    ebd0022177f771e109e763801145fcfd1f777aac

    SHA256

    b256d0a34742f2b70f73b46b98f49c7ef488d3804e3b2d208e4bbb0820eeb43e

    SHA512

    53da022760520154c1c4ba774044673822d0294aa9048ea0e92833a57aa8e4e5a0c96d1e4c6aa2bdc35baa71837635658f87cee28f82a128610475f0cf08aa49

  • C:\Users\Admin\Documents\dRkMeGTKQj6LRi5P6rNjTzfQ.exe
    MD5

    7d6641e15ab1437b03d2238f3f41bf4f

    SHA1

    ebd0022177f771e109e763801145fcfd1f777aac

    SHA256

    b256d0a34742f2b70f73b46b98f49c7ef488d3804e3b2d208e4bbb0820eeb43e

    SHA512

    53da022760520154c1c4ba774044673822d0294aa9048ea0e92833a57aa8e4e5a0c96d1e4c6aa2bdc35baa71837635658f87cee28f82a128610475f0cf08aa49

  • C:\Users\Admin\Documents\dRkMeGTKQj6LRi5P6rNjTzfQ.exe
    MD5

    7d6641e15ab1437b03d2238f3f41bf4f

    SHA1

    ebd0022177f771e109e763801145fcfd1f777aac

    SHA256

    b256d0a34742f2b70f73b46b98f49c7ef488d3804e3b2d208e4bbb0820eeb43e

    SHA512

    53da022760520154c1c4ba774044673822d0294aa9048ea0e92833a57aa8e4e5a0c96d1e4c6aa2bdc35baa71837635658f87cee28f82a128610475f0cf08aa49

  • C:\Users\Admin\Documents\lFBfHkr6M295jDDsM0uWS5nv.exe
    MD5

    554eaa6486e6b1fcda9c0c98ee0a733d

    SHA1

    e041961cdfdf7499518540d0fa5af80e2f6fe2ff

    SHA256

    9f06c938bab24d08e2c11c05baf0efe81845e7d8c7265be76862ac7d1aa048a3

    SHA512

    d59ea07f77c1530efec0a965ac92319bbabf354539dacea1f8e4965aab98f7b14e2b10d3b66635b631f14e19df5f59d078bd8560f948de84d52dce0a931c5cda

  • C:\Users\Admin\Documents\lFBfHkr6M295jDDsM0uWS5nv.exe
    MD5

    554eaa6486e6b1fcda9c0c98ee0a733d

    SHA1

    e041961cdfdf7499518540d0fa5af80e2f6fe2ff

    SHA256

    9f06c938bab24d08e2c11c05baf0efe81845e7d8c7265be76862ac7d1aa048a3

    SHA512

    d59ea07f77c1530efec0a965ac92319bbabf354539dacea1f8e4965aab98f7b14e2b10d3b66635b631f14e19df5f59d078bd8560f948de84d52dce0a931c5cda

  • \ProgramData\mozglue.dll
    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • \ProgramData\msvcp140.dll
    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • \ProgramData\nss3.dll
    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • \ProgramData\vcruntime140.dll
    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • \Users\Admin\Documents\ayaDNL1D7jbck0wB04PkJVoC.exe
    MD5

    26ec22872e63ca904f54feefb25f5c9c

    SHA1

    61b3895757bb39e8b1fa59a708194e1baa4ad54e

    SHA256

    05075607946fe7bb8e7bf692ddf5c00f0a9dd1a23aa70a93c19e772093bad1eb

    SHA512

    28efe0d541a995bf156482da180d7f383b28affba53b28f4a661a94a190196030c6cc75cfa63357a3a39ab5549aabc30ac11d32acaca880f4832569a8794d9e1

  • \Users\Admin\Documents\ayaDNL1D7jbck0wB04PkJVoC.exe
    MD5

    26ec22872e63ca904f54feefb25f5c9c

    SHA1

    61b3895757bb39e8b1fa59a708194e1baa4ad54e

    SHA256

    05075607946fe7bb8e7bf692ddf5c00f0a9dd1a23aa70a93c19e772093bad1eb

    SHA512

    28efe0d541a995bf156482da180d7f383b28affba53b28f4a661a94a190196030c6cc75cfa63357a3a39ab5549aabc30ac11d32acaca880f4832569a8794d9e1

  • \Users\Admin\Documents\dRkMeGTKQj6LRi5P6rNjTzfQ.exe
    MD5

    7d6641e15ab1437b03d2238f3f41bf4f

    SHA1

    ebd0022177f771e109e763801145fcfd1f777aac

    SHA256

    b256d0a34742f2b70f73b46b98f49c7ef488d3804e3b2d208e4bbb0820eeb43e

    SHA512

    53da022760520154c1c4ba774044673822d0294aa9048ea0e92833a57aa8e4e5a0c96d1e4c6aa2bdc35baa71837635658f87cee28f82a128610475f0cf08aa49

  • \Users\Admin\Documents\lFBfHkr6M295jDDsM0uWS5nv.exe
    MD5

    554eaa6486e6b1fcda9c0c98ee0a733d

    SHA1

    e041961cdfdf7499518540d0fa5af80e2f6fe2ff

    SHA256

    9f06c938bab24d08e2c11c05baf0efe81845e7d8c7265be76862ac7d1aa048a3

    SHA512

    d59ea07f77c1530efec0a965ac92319bbabf354539dacea1f8e4965aab98f7b14e2b10d3b66635b631f14e19df5f59d078bd8560f948de84d52dce0a931c5cda

  • memory/532-106-0x0000000000000000-mapping.dmp
  • memory/804-89-0x0000000005480000-0x0000000005481000-memory.dmp
    Filesize

    4KB

  • memory/804-83-0x0000000000AF0000-0x0000000000AF1000-memory.dmp
    Filesize

    4KB

  • memory/804-68-0x0000000000000000-mapping.dmp
  • memory/956-94-0x0000000000400000-0x00000000004A1000-memory.dmp
    Filesize

    644KB

  • memory/956-95-0x000000000046B76D-mapping.dmp
  • memory/956-98-0x0000000000400000-0x00000000004A1000-memory.dmp
    Filesize

    644KB

  • memory/1072-59-0x00000000752F1000-0x00000000752F3000-memory.dmp
    Filesize

    8KB

  • memory/1284-107-0x0000000000000000-mapping.dmp
  • memory/1368-71-0x0000000000000000-mapping.dmp
  • memory/1368-92-0x0000000008260000-0x0000000008358000-memory.dmp
    Filesize

    992KB

  • memory/1368-93-0x0000000008360000-0x000000000841A000-memory.dmp
    Filesize

    744KB

  • memory/1368-76-0x00000000009B0000-0x00000000009B1000-memory.dmp
    Filesize

    4KB

  • memory/1368-80-0x0000000000340000-0x0000000000342000-memory.dmp
    Filesize

    8KB

  • memory/1368-79-0x00000000050B0000-0x00000000050B1000-memory.dmp
    Filesize

    4KB

  • memory/1472-78-0x0000000004480000-0x0000000004481000-memory.dmp
    Filesize

    4KB

  • memory/1472-62-0x0000000000000000-mapping.dmp
  • memory/1472-65-0x0000000000EF0000-0x0000000000EF1000-memory.dmp
    Filesize

    4KB

  • memory/1664-105-0x0000000000000000-mapping.dmp
  • memory/1824-88-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/1824-85-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/1824-86-0x0000000000417F2E-mapping.dmp
  • memory/1824-91-0x0000000004E70000-0x0000000004E71000-memory.dmp
    Filesize

    4KB