Analysis

  • max time kernel
    152s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    07-12-2021 15:49

General

  • Target

    345eaa8379ef8daed16ebc210e7c0165.exe

  • Size

    319KB

  • MD5

    345eaa8379ef8daed16ebc210e7c0165

  • SHA1

    c9278fe7bf96f97556527782f271a554a8b73a68

  • SHA256

    88e66423a3a96f03441102060b775e35d0e401a3e4f74e1c3e54f9bfdcd06258

  • SHA512

    1a094d8070c0243fcbdef5ff8361192ae7e98f396072f28105b70680b2b7386d3afad64f8f784d5d5e1d54f690b0cb2871e0929c1aad0ad64c543d68dc2b0b5b

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://rcacademy.at/upload/

http://e-lanpengeonline.com/upload/

http://vjcmvz.cn/upload/

http://galala.ru/upload/

http://witra.ru/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

C2

195.133.47.114:38627

Signatures

  • RedLine

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

  • RedLine Payload 3 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Deletes itself 1 IoCs
  • Drops startup file 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\345eaa8379ef8daed16ebc210e7c0165.exe
    "C:\Users\Admin\AppData\Local\Temp\345eaa8379ef8daed16ebc210e7c0165.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:452
  • C:\Users\Admin\AppData\Local\Temp\D1A1.exe
    C:\Users\Admin\AppData\Local\Temp\D1A1.exe
    1⤵
    • Executes dropped EXE
    • Drops startup file
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
      "C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: AddClipboardFormatListener
      PID:1552
  • C:\Users\Admin\AppData\Local\Temp\F3C2.exe
    C:\Users\Admin\AppData\Local\Temp\F3C2.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    PID:1236
  • C:\Users\Admin\AppData\Local\Temp\B2A.exe
    C:\Users\Admin\AppData\Local\Temp\B2A.exe
    1⤵
    • Executes dropped EXE
    PID:2016

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\B2A.exe

    MD5

    3ba1d635fed88d8af279be91b7007bae

    SHA1

    62a1d59c746cdb51e699114f410749384a70cf73

    SHA256

    3151b115c3370d5360286bfe3a053d0d543f0e5d21faa68fee167224e68d115a

    SHA512

    83254fb484bd40740e5e0483dcc7fd8ce612033b00238494fdcdc5a5dcb3503195e0e2694edd5d848c07e2ddc61cafdb7d331afc4792ccd788837ebbce18bfeb

  • C:\Users\Admin\AppData\Local\Temp\B2A.exe

    MD5

    3ba1d635fed88d8af279be91b7007bae

    SHA1

    62a1d59c746cdb51e699114f410749384a70cf73

    SHA256

    3151b115c3370d5360286bfe3a053d0d543f0e5d21faa68fee167224e68d115a

    SHA512

    83254fb484bd40740e5e0483dcc7fd8ce612033b00238494fdcdc5a5dcb3503195e0e2694edd5d848c07e2ddc61cafdb7d331afc4792ccd788837ebbce18bfeb

  • C:\Users\Admin\AppData\Local\Temp\D1A1.exe

    MD5

    ad8f4c6461affa64e60a9bab7f996b36

    SHA1

    cdb36ffc32f72e55f4f44d72cdd3f56aa949d8e2

    SHA256

    a0dcf1dd6746864b884620af57235b5569f36abecea94bfc5f3064c67c6d1afb

    SHA512

    8e03f54ebf17e4caef253eabaf15927c724971f8dcc614ea4ad4cc9ca717cb86ab242bc4ec6377622fee1856614ace94411135c7922d0ccf5213aba996d77eba

  • C:\Users\Admin\AppData\Local\Temp\D1A1.exe

    MD5

    ad8f4c6461affa64e60a9bab7f996b36

    SHA1

    cdb36ffc32f72e55f4f44d72cdd3f56aa949d8e2

    SHA256

    a0dcf1dd6746864b884620af57235b5569f36abecea94bfc5f3064c67c6d1afb

    SHA512

    8e03f54ebf17e4caef253eabaf15927c724971f8dcc614ea4ad4cc9ca717cb86ab242bc4ec6377622fee1856614ace94411135c7922d0ccf5213aba996d77eba

  • C:\Users\Admin\AppData\Local\Temp\F3C2.exe

    MD5

    77ce7ab11225c5e723b7b1be0308e8c0

    SHA1

    709a8df1d49f28cf8c293694bbbbd0f07735829b

    SHA256

    d407b5c7d9568448f1e7387924fe4dded9e016632879c386c307ef5dcf63f496

    SHA512

    f73582206397db625bdefbbaf8abdc1a820ae8054eb2ef2a3ed18c8e00e8365c7ad81013b33990e4304619b3834a1b8b15c782905204add158fca686e2c25c3b

  • C:\Users\Admin\AppData\Local\Temp\F3C2.exe

    MD5

    77ce7ab11225c5e723b7b1be0308e8c0

    SHA1

    709a8df1d49f28cf8c293694bbbbd0f07735829b

    SHA256

    d407b5c7d9568448f1e7387924fe4dded9e016632879c386c307ef5dcf63f496

    SHA512

    f73582206397db625bdefbbaf8abdc1a820ae8054eb2ef2a3ed18c8e00e8365c7ad81013b33990e4304619b3834a1b8b15c782905204add158fca686e2c25c3b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SmartClock.lnk

    MD5

    68ff04f9e4cceae53d21ff35fd756c77

    SHA1

    24a97745b875c8979a99c38f5aedb37d6647fa26

    SHA256

    edb2fe86bd038ed3fa8303cc4b29aa1c4db59232f754471654146bf77a6ed27d

    SHA512

    7dbd6ece188d888c981fe0641360c5cd99af49313c63cc7bf0e877f76c2d2db4bab72aa3cd1966a8c0e2331050dc0053bc37f686cbd3283ba3e67414030661d1

  • C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe

    MD5

    ad8f4c6461affa64e60a9bab7f996b36

    SHA1

    cdb36ffc32f72e55f4f44d72cdd3f56aa949d8e2

    SHA256

    a0dcf1dd6746864b884620af57235b5569f36abecea94bfc5f3064c67c6d1afb

    SHA512

    8e03f54ebf17e4caef253eabaf15927c724971f8dcc614ea4ad4cc9ca717cb86ab242bc4ec6377622fee1856614ace94411135c7922d0ccf5213aba996d77eba

  • \Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe

    MD5

    ad8f4c6461affa64e60a9bab7f996b36

    SHA1

    cdb36ffc32f72e55f4f44d72cdd3f56aa949d8e2

    SHA256

    a0dcf1dd6746864b884620af57235b5569f36abecea94bfc5f3064c67c6d1afb

    SHA512

    8e03f54ebf17e4caef253eabaf15927c724971f8dcc614ea4ad4cc9ca717cb86ab242bc4ec6377622fee1856614ace94411135c7922d0ccf5213aba996d77eba

  • \Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe

    MD5

    ad8f4c6461affa64e60a9bab7f996b36

    SHA1

    cdb36ffc32f72e55f4f44d72cdd3f56aa949d8e2

    SHA256

    a0dcf1dd6746864b884620af57235b5569f36abecea94bfc5f3064c67c6d1afb

    SHA512

    8e03f54ebf17e4caef253eabaf15927c724971f8dcc614ea4ad4cc9ca717cb86ab242bc4ec6377622fee1856614ace94411135c7922d0ccf5213aba996d77eba

  • \Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe

    MD5

    ad8f4c6461affa64e60a9bab7f996b36

    SHA1

    cdb36ffc32f72e55f4f44d72cdd3f56aa949d8e2

    SHA256

    a0dcf1dd6746864b884620af57235b5569f36abecea94bfc5f3064c67c6d1afb

    SHA512

    8e03f54ebf17e4caef253eabaf15927c724971f8dcc614ea4ad4cc9ca717cb86ab242bc4ec6377622fee1856614ace94411135c7922d0ccf5213aba996d77eba

  • memory/452-55-0x0000000000588000-0x0000000000599000-memory.dmp

    Filesize

    68KB

  • memory/452-58-0x0000000000400000-0x00000000004D1000-memory.dmp

    Filesize

    836KB

  • memory/452-57-0x0000000000030000-0x0000000000039000-memory.dmp

    Filesize

    36KB

  • memory/452-56-0x0000000075461000-0x0000000075463000-memory.dmp

    Filesize

    8KB

  • memory/1236-86-0x0000000075250000-0x00000000753AC000-memory.dmp

    Filesize

    1.4MB

  • memory/1236-89-0x0000000001210000-0x0000000001211000-memory.dmp

    Filesize

    4KB

  • memory/1236-73-0x0000000000000000-mapping.dmp

  • memory/1236-91-0x0000000074B40000-0x0000000074BCF000-memory.dmp

    Filesize

    572KB

  • memory/1236-94-0x0000000004ED0000-0x0000000004ED1000-memory.dmp

    Filesize

    4KB

  • memory/1236-77-0x0000000074870000-0x00000000748BA000-memory.dmp

    Filesize

    296KB

  • memory/1236-78-0x0000000001210000-0x0000000001278000-memory.dmp

    Filesize

    416KB

  • memory/1236-79-0x0000000000090000-0x0000000000091000-memory.dmp

    Filesize

    4KB

  • memory/1236-82-0x0000000000220000-0x0000000000265000-memory.dmp

    Filesize

    276KB

  • memory/1236-81-0x0000000076AF0000-0x0000000076B9C000-memory.dmp

    Filesize

    688KB

  • memory/1236-83-0x0000000076A90000-0x0000000076AD7000-memory.dmp

    Filesize

    284KB

  • memory/1236-84-0x0000000075400000-0x0000000075457000-memory.dmp

    Filesize

    348KB

  • memory/1368-59-0x00000000029A0000-0x00000000029B6000-memory.dmp

    Filesize

    88KB

  • memory/1552-87-0x0000000000728000-0x00000000007A8000-memory.dmp

    Filesize

    512KB

  • memory/1552-70-0x0000000000000000-mapping.dmp

  • memory/1552-93-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/1664-66-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/1664-65-0x0000000000330000-0x00000000003C1000-memory.dmp

    Filesize

    580KB

  • memory/1664-62-0x0000000000668000-0x00000000006E8000-memory.dmp

    Filesize

    512KB

  • memory/1664-60-0x0000000000000000-mapping.dmp

  • memory/2016-95-0x0000000000000000-mapping.dmp

  • memory/2016-99-0x00000000013E0000-0x00000000013E1000-memory.dmp

    Filesize

    4KB