Analysis

  • max time kernel
    114s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2022 13:37

General

  • Target

    file.exe

  • Size

    231KB

  • MD5

    b5230fbcae982ab8e6134f6e80aaa6e3

  • SHA1

    3e54bf97f1d5e7c71632698429d96bdc0da1a346

  • SHA256

    85e4b45706b14c540185beb68268ca0562d335ba1eb5cd6d0d665d32432cdcdd

  • SHA512

    29770d82b0ef4f20f1afccd59a4bf1dc5d2a6a2110bac8aa8dedcb88a90f0307f47b4cdf79d2ab2f1b5acd84a8e2e9187d37fa48af98bcde22262ae909be439e

  • SSDEEP

    6144:aGSmpL/4DVo9Az3DjT/piJN1J1cx6LiP:atmp8RXXRiJJGgm

Malware Config

Extracted

Family

redline

Botnet

boy

C2

77.73.134.241:4691

Attributes
  • auth_value

    a91fa8cc2cfaefc42a23c03faef44bd3

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Detect Amadey credential stealer module 6 IoCs
  • RedLine

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

  • RedLine payload 4 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 5 IoCs
  • UPX packed file 5 IoCs

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

  • Loads dropped DLL 9 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • 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 1 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • GoLang User-Agent 1 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1324
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      "C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1108
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rovwer.exe /TR "C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:796
      • C:\Users\Admin\AppData\Local\Temp\1000001001\mana.exe
        "C:\Users\Admin\AppData\Local\Temp\1000001001\mana.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1396
      • C:\Users\Admin\AppData\Local\Temp\1000002001\dron.exe
        "C:\Users\Admin\AppData\Local\Temp\1000002001\dron.exe"
        3⤵
        • Executes dropped EXE
        PID:992
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • outlook_win_path
        PID:976
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {03DA9B8A-0A99-41D5-99CE-739D664C29C2} S-1-5-21-4063495947-34355257-727531523-1000:RYNKSFQE\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      2⤵
      • Executes dropped EXE
      PID:668
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      2⤵
      • Executes dropped EXE
      PID:2040

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

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\1000001001\mana.exe
    Filesize

    137KB

    MD5

    e63d74cec6926b2d04e474b889d08af4

    SHA1

    a64a888ccfb4e82ade71f1a00a7ae681d29c7bcb

    SHA256

    a9ffffff38aca59d7d2f041fbdb253ca612c7ba2d597782b2e6a59a914f49b33

    SHA512

    fd59c0a1c613611002e52a309ee4baad626df8fbbd8c0c230bcb8e6fed4a3059296ab11b88a1d25a0f54c65f730a027f876629298120f7b4c251bf6d2aaed148

  • C:\Users\Admin\AppData\Local\Temp\1000001001\mana.exe
    Filesize

    137KB

    MD5

    e63d74cec6926b2d04e474b889d08af4

    SHA1

    a64a888ccfb4e82ade71f1a00a7ae681d29c7bcb

    SHA256

    a9ffffff38aca59d7d2f041fbdb253ca612c7ba2d597782b2e6a59a914f49b33

    SHA512

    fd59c0a1c613611002e52a309ee4baad626df8fbbd8c0c230bcb8e6fed4a3059296ab11b88a1d25a0f54c65f730a027f876629298120f7b4c251bf6d2aaed148

  • C:\Users\Admin\AppData\Local\Temp\1000002001\dron.exe
    Filesize

    2.8MB

    MD5

    6764e377307a024b31625984b2f07e1b

    SHA1

    835f032a815413da3612c994ed99737dea56bf82

    SHA256

    df382046dd17766213b03aaa054c1e6bd52754779020802189f6db5003941781

    SHA512

    5639fb391a28f228799a4b3cdb84d0348df13ea74643199553e92ad33e80e3e5ac287dd34a68f7601543ad87fdf9d2b7111b671dc9a62c3ba592e441ba8b9a82

  • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
    Filesize

    231KB

    MD5

    b5230fbcae982ab8e6134f6e80aaa6e3

    SHA1

    3e54bf97f1d5e7c71632698429d96bdc0da1a346

    SHA256

    85e4b45706b14c540185beb68268ca0562d335ba1eb5cd6d0d665d32432cdcdd

    SHA512

    29770d82b0ef4f20f1afccd59a4bf1dc5d2a6a2110bac8aa8dedcb88a90f0307f47b4cdf79d2ab2f1b5acd84a8e2e9187d37fa48af98bcde22262ae909be439e

  • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
    Filesize

    231KB

    MD5

    b5230fbcae982ab8e6134f6e80aaa6e3

    SHA1

    3e54bf97f1d5e7c71632698429d96bdc0da1a346

    SHA256

    85e4b45706b14c540185beb68268ca0562d335ba1eb5cd6d0d665d32432cdcdd

    SHA512

    29770d82b0ef4f20f1afccd59a4bf1dc5d2a6a2110bac8aa8dedcb88a90f0307f47b4cdf79d2ab2f1b5acd84a8e2e9187d37fa48af98bcde22262ae909be439e

  • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
    Filesize

    231KB

    MD5

    b5230fbcae982ab8e6134f6e80aaa6e3

    SHA1

    3e54bf97f1d5e7c71632698429d96bdc0da1a346

    SHA256

    85e4b45706b14c540185beb68268ca0562d335ba1eb5cd6d0d665d32432cdcdd

    SHA512

    29770d82b0ef4f20f1afccd59a4bf1dc5d2a6a2110bac8aa8dedcb88a90f0307f47b4cdf79d2ab2f1b5acd84a8e2e9187d37fa48af98bcde22262ae909be439e

  • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
    Filesize

    231KB

    MD5

    b5230fbcae982ab8e6134f6e80aaa6e3

    SHA1

    3e54bf97f1d5e7c71632698429d96bdc0da1a346

    SHA256

    85e4b45706b14c540185beb68268ca0562d335ba1eb5cd6d0d665d32432cdcdd

    SHA512

    29770d82b0ef4f20f1afccd59a4bf1dc5d2a6a2110bac8aa8dedcb88a90f0307f47b4cdf79d2ab2f1b5acd84a8e2e9187d37fa48af98bcde22262ae909be439e

  • C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
    Filesize

    126KB

    MD5

    674cec24e36e0dfaec6290db96dda86e

    SHA1

    581e3a7a541cc04641e751fc850d92e07236681f

    SHA256

    de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded

    SHA512

    6d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029

  • \Users\Admin\AppData\Local\Temp\1000001001\mana.exe
    Filesize

    137KB

    MD5

    e63d74cec6926b2d04e474b889d08af4

    SHA1

    a64a888ccfb4e82ade71f1a00a7ae681d29c7bcb

    SHA256

    a9ffffff38aca59d7d2f041fbdb253ca612c7ba2d597782b2e6a59a914f49b33

    SHA512

    fd59c0a1c613611002e52a309ee4baad626df8fbbd8c0c230bcb8e6fed4a3059296ab11b88a1d25a0f54c65f730a027f876629298120f7b4c251bf6d2aaed148

  • \Users\Admin\AppData\Local\Temp\1000002001\dron.exe
    Filesize

    2.8MB

    MD5

    6764e377307a024b31625984b2f07e1b

    SHA1

    835f032a815413da3612c994ed99737dea56bf82

    SHA256

    df382046dd17766213b03aaa054c1e6bd52754779020802189f6db5003941781

    SHA512

    5639fb391a28f228799a4b3cdb84d0348df13ea74643199553e92ad33e80e3e5ac287dd34a68f7601543ad87fdf9d2b7111b671dc9a62c3ba592e441ba8b9a82

  • \Users\Admin\AppData\Local\Temp\1000002001\dron.exe
    Filesize

    2.8MB

    MD5

    6764e377307a024b31625984b2f07e1b

    SHA1

    835f032a815413da3612c994ed99737dea56bf82

    SHA256

    df382046dd17766213b03aaa054c1e6bd52754779020802189f6db5003941781

    SHA512

    5639fb391a28f228799a4b3cdb84d0348df13ea74643199553e92ad33e80e3e5ac287dd34a68f7601543ad87fdf9d2b7111b671dc9a62c3ba592e441ba8b9a82

  • \Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
    Filesize

    231KB

    MD5

    b5230fbcae982ab8e6134f6e80aaa6e3

    SHA1

    3e54bf97f1d5e7c71632698429d96bdc0da1a346

    SHA256

    85e4b45706b14c540185beb68268ca0562d335ba1eb5cd6d0d665d32432cdcdd

    SHA512

    29770d82b0ef4f20f1afccd59a4bf1dc5d2a6a2110bac8aa8dedcb88a90f0307f47b4cdf79d2ab2f1b5acd84a8e2e9187d37fa48af98bcde22262ae909be439e

  • \Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
    Filesize

    231KB

    MD5

    b5230fbcae982ab8e6134f6e80aaa6e3

    SHA1

    3e54bf97f1d5e7c71632698429d96bdc0da1a346

    SHA256

    85e4b45706b14c540185beb68268ca0562d335ba1eb5cd6d0d665d32432cdcdd

    SHA512

    29770d82b0ef4f20f1afccd59a4bf1dc5d2a6a2110bac8aa8dedcb88a90f0307f47b4cdf79d2ab2f1b5acd84a8e2e9187d37fa48af98bcde22262ae909be439e

  • \Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
    Filesize

    126KB

    MD5

    674cec24e36e0dfaec6290db96dda86e

    SHA1

    581e3a7a541cc04641e751fc850d92e07236681f

    SHA256

    de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded

    SHA512

    6d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029

  • \Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
    Filesize

    126KB

    MD5

    674cec24e36e0dfaec6290db96dda86e

    SHA1

    581e3a7a541cc04641e751fc850d92e07236681f

    SHA256

    de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded

    SHA512

    6d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029

  • \Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
    Filesize

    126KB

    MD5

    674cec24e36e0dfaec6290db96dda86e

    SHA1

    581e3a7a541cc04641e751fc850d92e07236681f

    SHA256

    de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded

    SHA512

    6d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029

  • \Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
    Filesize

    126KB

    MD5

    674cec24e36e0dfaec6290db96dda86e

    SHA1

    581e3a7a541cc04641e751fc850d92e07236681f

    SHA256

    de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded

    SHA512

    6d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029

  • memory/668-95-0x0000000000400000-0x0000000000596000-memory.dmp
    Filesize

    1.6MB

  • memory/668-94-0x000000000062B000-0x000000000064A000-memory.dmp
    Filesize

    124KB

  • memory/668-91-0x0000000000000000-mapping.dmp
  • memory/796-63-0x0000000000000000-mapping.dmp
  • memory/976-90-0x0000000000170000-0x0000000000194000-memory.dmp
    Filesize

    144KB

  • memory/976-83-0x0000000000000000-mapping.dmp
  • memory/992-79-0x00000000012E0000-0x0000000001ACB000-memory.dmp
    Filesize

    7.9MB

  • memory/992-80-0x00000000012E0000-0x0000000001ACB000-memory.dmp
    Filesize

    7.9MB

  • memory/992-75-0x0000000000000000-mapping.dmp
  • memory/1108-65-0x00000000002AB000-0x00000000002CA000-memory.dmp
    Filesize

    124KB

  • memory/1108-81-0x00000000002AB000-0x00000000002CA000-memory.dmp
    Filesize

    124KB

  • memory/1108-57-0x0000000000000000-mapping.dmp
  • memory/1108-77-0x0000000003B10000-0x00000000042FB000-memory.dmp
    Filesize

    7.9MB

  • memory/1108-82-0x0000000000400000-0x0000000000596000-memory.dmp
    Filesize

    1.6MB

  • memory/1108-66-0x0000000000400000-0x0000000000596000-memory.dmp
    Filesize

    1.6MB

  • memory/1108-78-0x0000000003B10000-0x00000000042FB000-memory.dmp
    Filesize

    7.9MB

  • memory/1324-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp
    Filesize

    8KB

  • memory/1324-58-0x000000000074B000-0x000000000076A000-memory.dmp
    Filesize

    124KB

  • memory/1324-61-0x0000000000400000-0x0000000000596000-memory.dmp
    Filesize

    1.6MB

  • memory/1324-60-0x0000000000220000-0x000000000025E000-memory.dmp
    Filesize

    248KB

  • memory/1396-68-0x0000000000000000-mapping.dmp
  • memory/1396-71-0x0000000000C80000-0x0000000000CA8000-memory.dmp
    Filesize

    160KB

  • memory/2040-96-0x0000000000000000-mapping.dmp
  • memory/2040-99-0x000000000077B000-0x000000000079A000-memory.dmp
    Filesize

    124KB

  • memory/2040-100-0x0000000000400000-0x0000000000596000-memory.dmp
    Filesize

    1.6MB