Analysis

  • max time kernel
    99s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2022 12:14

General

  • Target

    file.exe

  • Size

    417KB

  • MD5

    ab398d4d818725d0d0a2b5abba54f2e8

  • SHA1

    8ad764a1bd4d1b743602b89707c6d85a22f0642b

  • SHA256

    cceb75ae68e8a9ed006e36bd335ca011bfbce3c96de676c1d469bc65fb3894bb

  • SHA512

    a56af409cb7f3ce1fe02859979ea3ed26968a09352008c6c53bf67390c6db94c5f387f1aee7bedc5e04946887597a5f97421321b3cbcaeb1259b014add8c5a1e

  • SSDEEP

    6144:Gc3yMJLj512cbW/G00qHixTxxmBHd3JufGWhd1xMyigGPMk:GWysP512ck5d0TXmd+NhWyz

Malware Config

Extracted

Family

amadey

Version

3.50

C2

77.73.133.72/hfk3vK9/index.php

Extracted

Family

redline

Botnet

@2023@

C2

193.106.191.138:32796

Attributes
  • auth_value

    ca057e5baadfd0774a34a6a949cd5e69

Signatures

  • Amadey

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

  • Detect Amadey credential stealer module 5 IoCs
  • RedLine

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

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 11 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.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 37 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:1752
    • C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
      "C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1716
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:1708
      • C:\Users\Admin\AppData\Local\Temp\1000014001\softx64.exe
        "C:\Users\Admin\AppData\Local\Temp\1000014001\softx64.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1644
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1636
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1644 -s 36
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:1668
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • outlook_win_path
        PID:1680
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {9246543F-BF81-4E0C-86F8-6C65C1ACC033} S-1-5-21-2292972927-2705560509-2768824231-1000:GRXNNIIE\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1788
    • C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
      2⤵
      • Executes dropped EXE
      PID:1752
    • C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
      2⤵
      • Executes dropped EXE
      PID:1728

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\1000014001\softx64.exe
    Filesize

    269KB

    MD5

    7eeef796f094d4f0d0a898dfcaeb59e9

    SHA1

    d9471c923e11e32e4af2dbf091d25aae6ecd9466

    SHA256

    58567be43d8183543f190c62c3a28be2c3d8cd85005f2ad58613a810eeaa8ab1

    SHA512

    31b7cbfc6b087887d3cbf1ccd8738d499ca5f28ed03c90be6ace8ca244aa84a95515b666eeac0068a24ef0119400702210281fe43033830ed85be5eafbd3c3e9

  • C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
    Filesize

    417KB

    MD5

    ab398d4d818725d0d0a2b5abba54f2e8

    SHA1

    8ad764a1bd4d1b743602b89707c6d85a22f0642b

    SHA256

    cceb75ae68e8a9ed006e36bd335ca011bfbce3c96de676c1d469bc65fb3894bb

    SHA512

    a56af409cb7f3ce1fe02859979ea3ed26968a09352008c6c53bf67390c6db94c5f387f1aee7bedc5e04946887597a5f97421321b3cbcaeb1259b014add8c5a1e

  • C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
    Filesize

    417KB

    MD5

    ab398d4d818725d0d0a2b5abba54f2e8

    SHA1

    8ad764a1bd4d1b743602b89707c6d85a22f0642b

    SHA256

    cceb75ae68e8a9ed006e36bd335ca011bfbce3c96de676c1d469bc65fb3894bb

    SHA512

    a56af409cb7f3ce1fe02859979ea3ed26968a09352008c6c53bf67390c6db94c5f387f1aee7bedc5e04946887597a5f97421321b3cbcaeb1259b014add8c5a1e

  • C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
    Filesize

    417KB

    MD5

    ab398d4d818725d0d0a2b5abba54f2e8

    SHA1

    8ad764a1bd4d1b743602b89707c6d85a22f0642b

    SHA256

    cceb75ae68e8a9ed006e36bd335ca011bfbce3c96de676c1d469bc65fb3894bb

    SHA512

    a56af409cb7f3ce1fe02859979ea3ed26968a09352008c6c53bf67390c6db94c5f387f1aee7bedc5e04946887597a5f97421321b3cbcaeb1259b014add8c5a1e

  • C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
    Filesize

    417KB

    MD5

    ab398d4d818725d0d0a2b5abba54f2e8

    SHA1

    8ad764a1bd4d1b743602b89707c6d85a22f0642b

    SHA256

    cceb75ae68e8a9ed006e36bd335ca011bfbce3c96de676c1d469bc65fb3894bb

    SHA512

    a56af409cb7f3ce1fe02859979ea3ed26968a09352008c6c53bf67390c6db94c5f387f1aee7bedc5e04946887597a5f97421321b3cbcaeb1259b014add8c5a1e

  • C:\Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll
    Filesize

    126KB

    MD5

    349b2b47fef50fa6a1fc19d0ee4b2db8

    SHA1

    077f4328b3f060a9f010b1a63d9e127d24ddafd4

    SHA256

    5cd41f164de6f783b7da82b5f6dbd49413eccd87cc7470f2004d58ca081fb0e0

    SHA512

    83fd58be4c0051ed05b7a03443d256d52f09206d2f433bd302c9e9e3780b9d472e823aed1db01b5052dc8fdc63a4352beac9e399858a8252c057f11cf2bd1773

  • \Users\Admin\AppData\Local\Temp\1000014001\softx64.exe
    Filesize

    269KB

    MD5

    7eeef796f094d4f0d0a898dfcaeb59e9

    SHA1

    d9471c923e11e32e4af2dbf091d25aae6ecd9466

    SHA256

    58567be43d8183543f190c62c3a28be2c3d8cd85005f2ad58613a810eeaa8ab1

    SHA512

    31b7cbfc6b087887d3cbf1ccd8738d499ca5f28ed03c90be6ace8ca244aa84a95515b666eeac0068a24ef0119400702210281fe43033830ed85be5eafbd3c3e9

  • \Users\Admin\AppData\Local\Temp\1000014001\softx64.exe
    Filesize

    269KB

    MD5

    7eeef796f094d4f0d0a898dfcaeb59e9

    SHA1

    d9471c923e11e32e4af2dbf091d25aae6ecd9466

    SHA256

    58567be43d8183543f190c62c3a28be2c3d8cd85005f2ad58613a810eeaa8ab1

    SHA512

    31b7cbfc6b087887d3cbf1ccd8738d499ca5f28ed03c90be6ace8ca244aa84a95515b666eeac0068a24ef0119400702210281fe43033830ed85be5eafbd3c3e9

  • \Users\Admin\AppData\Local\Temp\1000014001\softx64.exe
    Filesize

    269KB

    MD5

    7eeef796f094d4f0d0a898dfcaeb59e9

    SHA1

    d9471c923e11e32e4af2dbf091d25aae6ecd9466

    SHA256

    58567be43d8183543f190c62c3a28be2c3d8cd85005f2ad58613a810eeaa8ab1

    SHA512

    31b7cbfc6b087887d3cbf1ccd8738d499ca5f28ed03c90be6ace8ca244aa84a95515b666eeac0068a24ef0119400702210281fe43033830ed85be5eafbd3c3e9

  • \Users\Admin\AppData\Local\Temp\1000014001\softx64.exe
    Filesize

    269KB

    MD5

    7eeef796f094d4f0d0a898dfcaeb59e9

    SHA1

    d9471c923e11e32e4af2dbf091d25aae6ecd9466

    SHA256

    58567be43d8183543f190c62c3a28be2c3d8cd85005f2ad58613a810eeaa8ab1

    SHA512

    31b7cbfc6b087887d3cbf1ccd8738d499ca5f28ed03c90be6ace8ca244aa84a95515b666eeac0068a24ef0119400702210281fe43033830ed85be5eafbd3c3e9

  • \Users\Admin\AppData\Local\Temp\1000014001\softx64.exe
    Filesize

    269KB

    MD5

    7eeef796f094d4f0d0a898dfcaeb59e9

    SHA1

    d9471c923e11e32e4af2dbf091d25aae6ecd9466

    SHA256

    58567be43d8183543f190c62c3a28be2c3d8cd85005f2ad58613a810eeaa8ab1

    SHA512

    31b7cbfc6b087887d3cbf1ccd8738d499ca5f28ed03c90be6ace8ca244aa84a95515b666eeac0068a24ef0119400702210281fe43033830ed85be5eafbd3c3e9

  • \Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
    Filesize

    417KB

    MD5

    ab398d4d818725d0d0a2b5abba54f2e8

    SHA1

    8ad764a1bd4d1b743602b89707c6d85a22f0642b

    SHA256

    cceb75ae68e8a9ed006e36bd335ca011bfbce3c96de676c1d469bc65fb3894bb

    SHA512

    a56af409cb7f3ce1fe02859979ea3ed26968a09352008c6c53bf67390c6db94c5f387f1aee7bedc5e04946887597a5f97421321b3cbcaeb1259b014add8c5a1e

  • \Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
    Filesize

    417KB

    MD5

    ab398d4d818725d0d0a2b5abba54f2e8

    SHA1

    8ad764a1bd4d1b743602b89707c6d85a22f0642b

    SHA256

    cceb75ae68e8a9ed006e36bd335ca011bfbce3c96de676c1d469bc65fb3894bb

    SHA512

    a56af409cb7f3ce1fe02859979ea3ed26968a09352008c6c53bf67390c6db94c5f387f1aee7bedc5e04946887597a5f97421321b3cbcaeb1259b014add8c5a1e

  • \Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll
    Filesize

    126KB

    MD5

    349b2b47fef50fa6a1fc19d0ee4b2db8

    SHA1

    077f4328b3f060a9f010b1a63d9e127d24ddafd4

    SHA256

    5cd41f164de6f783b7da82b5f6dbd49413eccd87cc7470f2004d58ca081fb0e0

    SHA512

    83fd58be4c0051ed05b7a03443d256d52f09206d2f433bd302c9e9e3780b9d472e823aed1db01b5052dc8fdc63a4352beac9e399858a8252c057f11cf2bd1773

  • \Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll
    Filesize

    126KB

    MD5

    349b2b47fef50fa6a1fc19d0ee4b2db8

    SHA1

    077f4328b3f060a9f010b1a63d9e127d24ddafd4

    SHA256

    5cd41f164de6f783b7da82b5f6dbd49413eccd87cc7470f2004d58ca081fb0e0

    SHA512

    83fd58be4c0051ed05b7a03443d256d52f09206d2f433bd302c9e9e3780b9d472e823aed1db01b5052dc8fdc63a4352beac9e399858a8252c057f11cf2bd1773

  • \Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll
    Filesize

    126KB

    MD5

    349b2b47fef50fa6a1fc19d0ee4b2db8

    SHA1

    077f4328b3f060a9f010b1a63d9e127d24ddafd4

    SHA256

    5cd41f164de6f783b7da82b5f6dbd49413eccd87cc7470f2004d58ca081fb0e0

    SHA512

    83fd58be4c0051ed05b7a03443d256d52f09206d2f433bd302c9e9e3780b9d472e823aed1db01b5052dc8fdc63a4352beac9e399858a8252c057f11cf2bd1773

  • \Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll
    Filesize

    126KB

    MD5

    349b2b47fef50fa6a1fc19d0ee4b2db8

    SHA1

    077f4328b3f060a9f010b1a63d9e127d24ddafd4

    SHA256

    5cd41f164de6f783b7da82b5f6dbd49413eccd87cc7470f2004d58ca081fb0e0

    SHA512

    83fd58be4c0051ed05b7a03443d256d52f09206d2f433bd302c9e9e3780b9d472e823aed1db01b5052dc8fdc63a4352beac9e399858a8252c057f11cf2bd1773

  • memory/1636-82-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/1636-73-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/1636-75-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/1636-80-0x000000000041B5B2-mapping.dmp
  • memory/1636-81-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/1644-71-0x0000000000000000-mapping.dmp
  • memory/1668-83-0x0000000000000000-mapping.dmp
  • memory/1680-96-0x0000000000000000-mapping.dmp
  • memory/1708-65-0x0000000000000000-mapping.dmp
  • memory/1716-58-0x0000000000000000-mapping.dmp
  • memory/1716-89-0x0000000000400000-0x000000000046D000-memory.dmp
    Filesize

    436KB

  • memory/1716-67-0x0000000000628000-0x0000000000647000-memory.dmp
    Filesize

    124KB

  • memory/1716-88-0x0000000000628000-0x0000000000647000-memory.dmp
    Filesize

    124KB

  • memory/1716-68-0x0000000000400000-0x000000000046D000-memory.dmp
    Filesize

    436KB

  • memory/1716-63-0x0000000000628000-0x0000000000647000-memory.dmp
    Filesize

    124KB

  • memory/1728-103-0x0000000000000000-mapping.dmp
  • memory/1728-108-0x0000000000400000-0x000000000046D000-memory.dmp
    Filesize

    436KB

  • memory/1728-107-0x00000000008E8000-0x0000000000907000-memory.dmp
    Filesize

    124KB

  • memory/1728-105-0x00000000008E8000-0x0000000000907000-memory.dmp
    Filesize

    124KB

  • memory/1752-92-0x0000000000528000-0x0000000000547000-memory.dmp
    Filesize

    124KB

  • memory/1752-61-0x00000000002C0000-0x00000000002FE000-memory.dmp
    Filesize

    248KB

  • memory/1752-60-0x0000000000518000-0x0000000000537000-memory.dmp
    Filesize

    124KB

  • memory/1752-54-0x0000000000518000-0x0000000000537000-memory.dmp
    Filesize

    124KB

  • memory/1752-62-0x0000000000400000-0x000000000046D000-memory.dmp
    Filesize

    436KB

  • memory/1752-55-0x0000000076261000-0x0000000076263000-memory.dmp
    Filesize

    8KB

  • memory/1752-95-0x0000000000400000-0x000000000046D000-memory.dmp
    Filesize

    436KB

  • memory/1752-94-0x0000000000528000-0x0000000000547000-memory.dmp
    Filesize

    124KB

  • memory/1752-90-0x0000000000000000-mapping.dmp