Analysis

  • max time kernel
    150s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    08-10-2022 17:24

General

  • Target

    file.exe

  • Size

    198KB

  • MD5

    9d33aced5a2ee1a182f95a804cc33f36

  • SHA1

    6d086a4abd9ffe8ff5e48dc64b4e7dbddcac30b1

  • SHA256

    932536b82f2cfdf2cc26698715b96844cf597170d7110ae80674122a9a647891

  • SHA512

    6ea26f547a5470cd5300f92f6c71e43c3d0adc7855dc4ef45631f0745471b616cdee4126ffe79acd12720d3d3afabd450df43691dfeb6c2ef011d7cf0196f847

  • SSDEEP

    1536:jrae78zjORCDGwfdCSog01313Ns5gRC5gGm+qc:JahKyd2n3165+UHh

Malware Config

Extracted

Family

redline

Botnet

Nigh

C2

80.66.87.20:80

Attributes
  • auth_value

    dab8506635d1dc134af4ebaedf4404eb

Signatures

  • Detects Smokeloader packer 4 IoCs
  • RedLine

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

  • RedLine payload 6 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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.

  • 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 SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\attribstuneov.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\attribstuneov.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1004
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA0AA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1652
      • C:\Users\Admin\AppData\Local\Temp\Fwtadctsvykyvftnorspecialist_1s.exe
        "C:\Users\Admin\AppData\Local\Temp\Fwtadctsvykyvftnorspecialist_1s.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1696
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA0AA==
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1464
        • C:\Users\Admin\AppData\Local\Temp\Fwtadctsvykyvftnorspecialist_1s.exe
          C:\Users\Admin\AppData\Local\Temp\Fwtadctsvykyvftnorspecialist_1s.exe
          4⤵
          • Executes dropped EXE
          PID:544
        • C:\Users\Admin\AppData\Local\Temp\Fwtadctsvykyvftnorspecialist_1s.exe
          C:\Users\Admin\AppData\Local\Temp\Fwtadctsvykyvftnorspecialist_1s.exe
          4⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          PID:2004
      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\attribstuneov.exe
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\attribstuneov.exe
        3⤵
        • Executes dropped EXE
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:752

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Fwtadctsvykyvftnorspecialist_1s.exe
    Filesize

    7KB

    MD5

    00ec86346476b322164f65155fcbe547

    SHA1

    3c102841041b9cb4fe42da45fb913692eb1a0bcb

    SHA256

    57f5c94a48b0b800541dbb198e451cf4b344d583a64f6efa6dae70a667592787

    SHA512

    7daa0eb7d46795fcf27f05ac9499590c6068929621bb4e7913fec4df9957d7c219eacb70a64178521b67697d64053125e840708a6767c5737fa74c9b884fd0fb

  • C:\Users\Admin\AppData\Local\Temp\Fwtadctsvykyvftnorspecialist_1s.exe
    Filesize

    7KB

    MD5

    00ec86346476b322164f65155fcbe547

    SHA1

    3c102841041b9cb4fe42da45fb913692eb1a0bcb

    SHA256

    57f5c94a48b0b800541dbb198e451cf4b344d583a64f6efa6dae70a667592787

    SHA512

    7daa0eb7d46795fcf27f05ac9499590c6068929621bb4e7913fec4df9957d7c219eacb70a64178521b67697d64053125e840708a6767c5737fa74c9b884fd0fb

  • C:\Users\Admin\AppData\Local\Temp\Fwtadctsvykyvftnorspecialist_1s.exe
    Filesize

    7KB

    MD5

    00ec86346476b322164f65155fcbe547

    SHA1

    3c102841041b9cb4fe42da45fb913692eb1a0bcb

    SHA256

    57f5c94a48b0b800541dbb198e451cf4b344d583a64f6efa6dae70a667592787

    SHA512

    7daa0eb7d46795fcf27f05ac9499590c6068929621bb4e7913fec4df9957d7c219eacb70a64178521b67697d64053125e840708a6767c5737fa74c9b884fd0fb

  • C:\Users\Admin\AppData\Local\Temp\Fwtadctsvykyvftnorspecialist_1s.exe
    Filesize

    7KB

    MD5

    00ec86346476b322164f65155fcbe547

    SHA1

    3c102841041b9cb4fe42da45fb913692eb1a0bcb

    SHA256

    57f5c94a48b0b800541dbb198e451cf4b344d583a64f6efa6dae70a667592787

    SHA512

    7daa0eb7d46795fcf27f05ac9499590c6068929621bb4e7913fec4df9957d7c219eacb70a64178521b67697d64053125e840708a6767c5737fa74c9b884fd0fb

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\attribstuneov.exe
    Filesize

    95.4MB

    MD5

    d114fd76ac112754218a365c4a7451b3

    SHA1

    dde838d0aded5ee2aca964557f96b9a780ff2d4f

    SHA256

    02ee64bde01919a60c4c8b13591f1c1a4e1557120589e41e579060fbb2dbf763

    SHA512

    456ec5d0040d6ba310fa3b6b3a77eaa567210b6c751de3b2c3b9bd2ab23e6bd91daf00bb70184fbbf2fa096e757708a2193952474f6d60971c4d352ecd6e6b96

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\attribstuneov.exe
    Filesize

    95.4MB

    MD5

    d114fd76ac112754218a365c4a7451b3

    SHA1

    dde838d0aded5ee2aca964557f96b9a780ff2d4f

    SHA256

    02ee64bde01919a60c4c8b13591f1c1a4e1557120589e41e579060fbb2dbf763

    SHA512

    456ec5d0040d6ba310fa3b6b3a77eaa567210b6c751de3b2c3b9bd2ab23e6bd91daf00bb70184fbbf2fa096e757708a2193952474f6d60971c4d352ecd6e6b96

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\attribstuneov.exe
    Filesize

    95.4MB

    MD5

    d114fd76ac112754218a365c4a7451b3

    SHA1

    dde838d0aded5ee2aca964557f96b9a780ff2d4f

    SHA256

    02ee64bde01919a60c4c8b13591f1c1a4e1557120589e41e579060fbb2dbf763

    SHA512

    456ec5d0040d6ba310fa3b6b3a77eaa567210b6c751de3b2c3b9bd2ab23e6bd91daf00bb70184fbbf2fa096e757708a2193952474f6d60971c4d352ecd6e6b96

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
    Filesize

    7KB

    MD5

    7354be5ddf3b57c302a18db0402e9c57

    SHA1

    af847b016e7fa6dcacdc8551c148f0cf5553a366

    SHA256

    892a3ccb3ab541be2f00149e2f2764cab15141662062937f9a6f833cfdc81526

    SHA512

    247dd1d3cdde0cd88b86c6878c1f4d647fedefbc7516d37c2f195bdfa7cc8d376cd90425a173be32a0669192808b8864491371b6518b494160faeab2a82b25c6

  • \Users\Admin\AppData\Local\Temp\Fwtadctsvykyvftnorspecialist_1s.exe
    Filesize

    7KB

    MD5

    00ec86346476b322164f65155fcbe547

    SHA1

    3c102841041b9cb4fe42da45fb913692eb1a0bcb

    SHA256

    57f5c94a48b0b800541dbb198e451cf4b344d583a64f6efa6dae70a667592787

    SHA512

    7daa0eb7d46795fcf27f05ac9499590c6068929621bb4e7913fec4df9957d7c219eacb70a64178521b67697d64053125e840708a6767c5737fa74c9b884fd0fb

  • \Users\Admin\AppData\Local\Temp\Fwtadctsvykyvftnorspecialist_1s.exe
    Filesize

    7KB

    MD5

    00ec86346476b322164f65155fcbe547

    SHA1

    3c102841041b9cb4fe42da45fb913692eb1a0bcb

    SHA256

    57f5c94a48b0b800541dbb198e451cf4b344d583a64f6efa6dae70a667592787

    SHA512

    7daa0eb7d46795fcf27f05ac9499590c6068929621bb4e7913fec4df9957d7c219eacb70a64178521b67697d64053125e840708a6767c5737fa74c9b884fd0fb

  • \Users\Admin\AppData\Local\Temp\Fwtadctsvykyvftnorspecialist_1s.exe
    Filesize

    7KB

    MD5

    00ec86346476b322164f65155fcbe547

    SHA1

    3c102841041b9cb4fe42da45fb913692eb1a0bcb

    SHA256

    57f5c94a48b0b800541dbb198e451cf4b344d583a64f6efa6dae70a667592787

    SHA512

    7daa0eb7d46795fcf27f05ac9499590c6068929621bb4e7913fec4df9957d7c219eacb70a64178521b67697d64053125e840708a6767c5737fa74c9b884fd0fb

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\attribstuneov.exe
    Filesize

    95.4MB

    MD5

    d114fd76ac112754218a365c4a7451b3

    SHA1

    dde838d0aded5ee2aca964557f96b9a780ff2d4f

    SHA256

    02ee64bde01919a60c4c8b13591f1c1a4e1557120589e41e579060fbb2dbf763

    SHA512

    456ec5d0040d6ba310fa3b6b3a77eaa567210b6c751de3b2c3b9bd2ab23e6bd91daf00bb70184fbbf2fa096e757708a2193952474f6d60971c4d352ecd6e6b96

  • memory/752-79-0x000000000042210E-mapping.dmp
  • memory/752-77-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/752-84-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/752-82-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/752-78-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/752-73-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/752-74-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/752-76-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/1004-60-0x0000000005E70000-0x0000000005F02000-memory.dmp
    Filesize

    584KB

  • memory/1004-59-0x00000000083C0000-0x000000000847C000-memory.dmp
    Filesize

    752KB

  • memory/1004-54-0x0000000000000000-mapping.dmp
  • memory/1004-57-0x0000000000A80000-0x0000000000A88000-memory.dmp
    Filesize

    32KB

  • memory/1004-58-0x0000000075211000-0x0000000075213000-memory.dmp
    Filesize

    8KB

  • memory/1464-92-0x000000006A560000-0x000000006AB0B000-memory.dmp
    Filesize

    5.7MB

  • memory/1464-88-0x0000000000000000-mapping.dmp
  • memory/1464-91-0x0000000004C20000-0x0000000005271000-memory.dmp
    Filesize

    6.3MB

  • memory/1464-93-0x000000006A560000-0x000000006AB0B000-memory.dmp
    Filesize

    5.7MB

  • memory/1464-94-0x000000006A560000-0x000000006AB0B000-memory.dmp
    Filesize

    5.7MB

  • memory/1652-65-0x000000006E690000-0x000000006EC3B000-memory.dmp
    Filesize

    5.7MB

  • memory/1652-63-0x000000006E690000-0x000000006EC3B000-memory.dmp
    Filesize

    5.7MB

  • memory/1652-61-0x0000000000000000-mapping.dmp
  • memory/1652-64-0x000000006E690000-0x000000006EC3B000-memory.dmp
    Filesize

    5.7MB

  • memory/1696-67-0x0000000000000000-mapping.dmp
  • memory/1696-70-0x00000000002D0000-0x00000000002D8000-memory.dmp
    Filesize

    32KB

  • memory/1696-86-0x0000000005590000-0x000000000563C000-memory.dmp
    Filesize

    688KB

  • memory/1696-87-0x0000000004F20000-0x0000000004FB2000-memory.dmp
    Filesize

    584KB

  • memory/2004-98-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/2004-99-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/2004-101-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/2004-102-0x0000000000402E87-mapping.dmp
  • memory/2004-105-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/2004-106-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB