Analysis

  • max time kernel
    131s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2022 15:01

General

  • Target

    file.exe

  • Size

    232KB

  • MD5

    7b33b63bf2ee044adea84fec13b603b2

  • SHA1

    3f1be9575126a2683b10f079ec835f09504a567f

  • SHA256

    47d56f7eec9f28d92c470a130f777a5a2b8a62e1510fef353b90472734382e36

  • SHA512

    378585602792e6dac3069939d3051cf52047f48c662789dbf085b64478b756e89258f3de96755e701a054a8b20943c39d9e0040ce1b2c4b81209fc2174a6c885

  • SSDEEP

    6144:4yfLbDpCpjAnCXJMpxXrEr2eTxJ/qsaXG:4yfXVWACXJMpxQCyCsY

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 6 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 35 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:864
    • 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:1780
      • 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:2024
      • 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:1164
      • C:\Users\Admin\AppData\Local\Temp\1000002001\dron.exe
        "C:\Users\Admin\AppData\Local\Temp\1000002001\dron.exe"
        3⤵
        • Executes dropped EXE
        PID:1444
      • 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:780
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {0E4BB9B4-7EE3-4FB9-9B0E-4448459C606F} S-1-5-21-2292972927-2705560509-2768824231-1000:GRXNNIIE\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:764
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      2⤵
      • Executes dropped EXE
      PID:1928
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      2⤵
      • Executes dropped EXE
      PID:2004
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      2⤵
      • Executes dropped EXE
      PID:1872

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

    232KB

    MD5

    7b33b63bf2ee044adea84fec13b603b2

    SHA1

    3f1be9575126a2683b10f079ec835f09504a567f

    SHA256

    47d56f7eec9f28d92c470a130f777a5a2b8a62e1510fef353b90472734382e36

    SHA512

    378585602792e6dac3069939d3051cf52047f48c662789dbf085b64478b756e89258f3de96755e701a054a8b20943c39d9e0040ce1b2c4b81209fc2174a6c885

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

    232KB

    MD5

    7b33b63bf2ee044adea84fec13b603b2

    SHA1

    3f1be9575126a2683b10f079ec835f09504a567f

    SHA256

    47d56f7eec9f28d92c470a130f777a5a2b8a62e1510fef353b90472734382e36

    SHA512

    378585602792e6dac3069939d3051cf52047f48c662789dbf085b64478b756e89258f3de96755e701a054a8b20943c39d9e0040ce1b2c4b81209fc2174a6c885

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

    232KB

    MD5

    7b33b63bf2ee044adea84fec13b603b2

    SHA1

    3f1be9575126a2683b10f079ec835f09504a567f

    SHA256

    47d56f7eec9f28d92c470a130f777a5a2b8a62e1510fef353b90472734382e36

    SHA512

    378585602792e6dac3069939d3051cf52047f48c662789dbf085b64478b756e89258f3de96755e701a054a8b20943c39d9e0040ce1b2c4b81209fc2174a6c885

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

    232KB

    MD5

    7b33b63bf2ee044adea84fec13b603b2

    SHA1

    3f1be9575126a2683b10f079ec835f09504a567f

    SHA256

    47d56f7eec9f28d92c470a130f777a5a2b8a62e1510fef353b90472734382e36

    SHA512

    378585602792e6dac3069939d3051cf52047f48c662789dbf085b64478b756e89258f3de96755e701a054a8b20943c39d9e0040ce1b2c4b81209fc2174a6c885

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

    232KB

    MD5

    7b33b63bf2ee044adea84fec13b603b2

    SHA1

    3f1be9575126a2683b10f079ec835f09504a567f

    SHA256

    47d56f7eec9f28d92c470a130f777a5a2b8a62e1510fef353b90472734382e36

    SHA512

    378585602792e6dac3069939d3051cf52047f48c662789dbf085b64478b756e89258f3de96755e701a054a8b20943c39d9e0040ce1b2c4b81209fc2174a6c885

  • 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

    232KB

    MD5

    7b33b63bf2ee044adea84fec13b603b2

    SHA1

    3f1be9575126a2683b10f079ec835f09504a567f

    SHA256

    47d56f7eec9f28d92c470a130f777a5a2b8a62e1510fef353b90472734382e36

    SHA512

    378585602792e6dac3069939d3051cf52047f48c662789dbf085b64478b756e89258f3de96755e701a054a8b20943c39d9e0040ce1b2c4b81209fc2174a6c885

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

    232KB

    MD5

    7b33b63bf2ee044adea84fec13b603b2

    SHA1

    3f1be9575126a2683b10f079ec835f09504a567f

    SHA256

    47d56f7eec9f28d92c470a130f777a5a2b8a62e1510fef353b90472734382e36

    SHA512

    378585602792e6dac3069939d3051cf52047f48c662789dbf085b64478b756e89258f3de96755e701a054a8b20943c39d9e0040ce1b2c4b81209fc2174a6c885

  • \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/780-96-0x00000000001A0000-0x00000000001C4000-memory.dmp
    Filesize

    144KB

  • memory/780-89-0x0000000000000000-mapping.dmp
  • memory/864-61-0x0000000000400000-0x0000000000596000-memory.dmp
    Filesize

    1.6MB

  • memory/864-54-0x0000000076321000-0x0000000076323000-memory.dmp
    Filesize

    8KB

  • memory/864-60-0x0000000000220000-0x000000000025E000-memory.dmp
    Filesize

    248KB

  • memory/864-59-0x00000000009FB000-0x0000000000A1A000-memory.dmp
    Filesize

    124KB

  • memory/1164-71-0x0000000000F80000-0x0000000000FA8000-memory.dmp
    Filesize

    160KB

  • memory/1164-68-0x0000000000000000-mapping.dmp
  • memory/1444-85-0x0000000000E80000-0x000000000166B000-memory.dmp
    Filesize

    7.9MB

  • memory/1444-80-0x0000000000000000-mapping.dmp
  • memory/1444-84-0x0000000000E80000-0x000000000166B000-memory.dmp
    Filesize

    7.9MB

  • memory/1780-82-0x0000000003F10000-0x00000000046FB000-memory.dmp
    Filesize

    7.9MB

  • memory/1780-87-0x0000000003F10000-0x00000000046FB000-memory.dmp
    Filesize

    7.9MB

  • memory/1780-88-0x0000000003F10000-0x00000000046FB000-memory.dmp
    Filesize

    7.9MB

  • memory/1780-83-0x0000000003F10000-0x00000000046FB000-memory.dmp
    Filesize

    7.9MB

  • memory/1780-65-0x00000000006AB000-0x00000000006CA000-memory.dmp
    Filesize

    124KB

  • memory/1780-86-0x0000000000400000-0x0000000000596000-memory.dmp
    Filesize

    1.6MB

  • memory/1780-66-0x0000000000400000-0x0000000000596000-memory.dmp
    Filesize

    1.6MB

  • memory/1780-57-0x0000000000000000-mapping.dmp
  • memory/1872-106-0x0000000000400000-0x0000000000596000-memory.dmp
    Filesize

    1.6MB

  • memory/1872-105-0x000000000067B000-0x000000000069A000-memory.dmp
    Filesize

    124KB

  • memory/1872-102-0x0000000000000000-mapping.dmp
  • memory/1928-73-0x0000000000000000-mapping.dmp
  • memory/1928-76-0x000000000077B000-0x000000000079A000-memory.dmp
    Filesize

    124KB

  • memory/1928-77-0x0000000000400000-0x0000000000596000-memory.dmp
    Filesize

    1.6MB

  • memory/2004-100-0x000000000066B000-0x000000000068A000-memory.dmp
    Filesize

    124KB

  • memory/2004-101-0x0000000000400000-0x0000000000596000-memory.dmp
    Filesize

    1.6MB

  • memory/2004-97-0x0000000000000000-mapping.dmp
  • memory/2024-63-0x0000000000000000-mapping.dmp