Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    07-10-2021 08:49

General

  • Target

    39a2a53312497f41dfe04b75e19a5e58.exe

  • Size

    241KB

  • MD5

    39a2a53312497f41dfe04b75e19a5e58

  • SHA1

    80d44d1b07ff289d510b175707b5ebfaddc82ca3

  • SHA256

    da34d81f2d973efd60e29141088b139868c210d26f2ca4715e5e27152443890e

  • SHA512

    4dbeaa39eec98da7c4cfdd62b39308391608641820da5f3908b14deaec76d889c6ca1a90af0a6f98a7f3dc115b0435d2601e0a79437ec2dc23544311ca646476

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://fiskahlilian16.top/

http://paishancho17.top/

http://ydiannetter18.top/

http://azarehanelle19.top/

http://quericeriant20.top/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Version

1.8.2

Botnet

2ea41939378a473cbe7002fd507389778c0f10e7

Attributes
  • url4cnc

    http://teletop.top/stevuitreen

    http://teleta.top/stevuitreen

    https://t.me/stevuitreen

rc4.plain
rc4.plain

Extracted

Family

raccoon

Version

1.8.2

Botnet

8d179b9e611eee525425544ee8c6d77360ab7cd9

Attributes
  • url4cnc

    http://teletop.top/agrybirdsgamerept

    http://teleta.top/agrybirdsgamerept

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 5 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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 6 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 2 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\39a2a53312497f41dfe04b75e19a5e58.exe
    "C:\Users\Admin\AppData\Local\Temp\39a2a53312497f41dfe04b75e19a5e58.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2072
    • C:\Users\Admin\AppData\Local\Temp\39a2a53312497f41dfe04b75e19a5e58.exe
      "C:\Users\Admin\AppData\Local\Temp\39a2a53312497f41dfe04b75e19a5e58.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2348
  • C:\Users\Admin\AppData\Local\Temp\FAA2.exe
    C:\Users\Admin\AppData\Local\Temp\FAA2.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2660
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\FAA2.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1052
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:2308
  • C:\Users\Admin\AppData\Local\Temp\21.exe
    C:\Users\Admin\AppData\Local\Temp\21.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im 21.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\21.exe" & del C:\ProgramData\*.dll & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:584
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im 21.exe /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1560
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 6
        3⤵
        • Delays execution with timeout.exe
        PID:644
  • C:\Users\Admin\AppData\Local\Temp\5EF.exe
    C:\Users\Admin\AppData\Local\Temp\5EF.exe
    1⤵
    • Executes dropped EXE
    PID:2740
  • C:\Users\Admin\AppData\Roaming\rvvfraw
    C:\Users\Admin\AppData\Roaming\rvvfraw
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2612
    • C:\Users\Admin\AppData\Roaming\rvvfraw
      C:\Users\Admin\AppData\Roaming\rvvfraw
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1828

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\freebl3.dll

    MD5

    ef2834ac4ee7d6724f255beaf527e635

    SHA1

    5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

    SHA256

    a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

    SHA512

    c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

  • C:\ProgramData\mozglue.dll

    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • C:\ProgramData\msvcp140.dll

    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • C:\ProgramData\nss3.dll

    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • C:\ProgramData\softokn3.dll

    MD5

    a2ee53de9167bf0d6c019303b7ca84e5

    SHA1

    2a3c737fa1157e8483815e98b666408a18c0db42

    SHA256

    43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

    SHA512

    45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

  • C:\ProgramData\vcruntime140.dll

    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • C:\Users\Admin\AppData\Local\Temp\21.exe

    MD5

    50d9c6a8ec9c9c747141aeb188fbaa6c

    SHA1

    ee7f05a8f1adf8bfdc7c0cccf3149aea88f5ad1a

    SHA256

    07d5897172340bc89522260c094950b095195c163263fb7b4e261b7b33cbdd24

    SHA512

    2738f7b2b2411d6b43249a62ea3fc62a739d41ea2102e6938b20621725ab6895107038d4e3988c68d96611956e85b3b4c17960dab03ca8672437948e5c13296e

  • C:\Users\Admin\AppData\Local\Temp\21.exe

    MD5

    50d9c6a8ec9c9c747141aeb188fbaa6c

    SHA1

    ee7f05a8f1adf8bfdc7c0cccf3149aea88f5ad1a

    SHA256

    07d5897172340bc89522260c094950b095195c163263fb7b4e261b7b33cbdd24

    SHA512

    2738f7b2b2411d6b43249a62ea3fc62a739d41ea2102e6938b20621725ab6895107038d4e3988c68d96611956e85b3b4c17960dab03ca8672437948e5c13296e

  • C:\Users\Admin\AppData\Local\Temp\5EF.exe

    MD5

    2ad539b49d5d5fa8fa6efa96a71a771f

    SHA1

    cff92a4e3bea13b36f9029ef75eca14aec94a6b5

    SHA256

    84b2217974f0f08a8af206d8c8dd337500617f8bfdadc37ef4c419ca1eb80b54

    SHA512

    5b64e17ea3f0dd72790600316f5b82a4e9ccbab800d7fc1ffa90212be12ff1a7212497a7645cf5c652deaba431b799035138f1b455a6977b7a32c13f0ac9d2d4

  • C:\Users\Admin\AppData\Local\Temp\5EF.exe

    MD5

    2ad539b49d5d5fa8fa6efa96a71a771f

    SHA1

    cff92a4e3bea13b36f9029ef75eca14aec94a6b5

    SHA256

    84b2217974f0f08a8af206d8c8dd337500617f8bfdadc37ef4c419ca1eb80b54

    SHA512

    5b64e17ea3f0dd72790600316f5b82a4e9ccbab800d7fc1ffa90212be12ff1a7212497a7645cf5c652deaba431b799035138f1b455a6977b7a32c13f0ac9d2d4

  • C:\Users\Admin\AppData\Local\Temp\FAA2.exe

    MD5

    b68d9fa70a60e07a02c888d2ed077a10

    SHA1

    ad6dee52b7b5dfd4524009ae7867bc60c394d7e1

    SHA256

    16d331b719f46afe0013c9d6b032bff88733fc459ef0ff2e2a77b538d39a061b

    SHA512

    d4d0fd0d79b0e3616e304becdc747c9ba4c399cab36296639187cabb4530c0d54e113a17be48fb5c8aa0af0847bbf3ff2eefd8e09496edb8d6563cc355befc29

  • C:\Users\Admin\AppData\Local\Temp\FAA2.exe

    MD5

    b68d9fa70a60e07a02c888d2ed077a10

    SHA1

    ad6dee52b7b5dfd4524009ae7867bc60c394d7e1

    SHA256

    16d331b719f46afe0013c9d6b032bff88733fc459ef0ff2e2a77b538d39a061b

    SHA512

    d4d0fd0d79b0e3616e304becdc747c9ba4c399cab36296639187cabb4530c0d54e113a17be48fb5c8aa0af0847bbf3ff2eefd8e09496edb8d6563cc355befc29

  • C:\Users\Admin\AppData\Roaming\rvvfraw

    MD5

    39a2a53312497f41dfe04b75e19a5e58

    SHA1

    80d44d1b07ff289d510b175707b5ebfaddc82ca3

    SHA256

    da34d81f2d973efd60e29141088b139868c210d26f2ca4715e5e27152443890e

    SHA512

    4dbeaa39eec98da7c4cfdd62b39308391608641820da5f3908b14deaec76d889c6ca1a90af0a6f98a7f3dc115b0435d2601e0a79437ec2dc23544311ca646476

  • C:\Users\Admin\AppData\Roaming\rvvfraw

    MD5

    39a2a53312497f41dfe04b75e19a5e58

    SHA1

    80d44d1b07ff289d510b175707b5ebfaddc82ca3

    SHA256

    da34d81f2d973efd60e29141088b139868c210d26f2ca4715e5e27152443890e

    SHA512

    4dbeaa39eec98da7c4cfdd62b39308391608641820da5f3908b14deaec76d889c6ca1a90af0a6f98a7f3dc115b0435d2601e0a79437ec2dc23544311ca646476

  • C:\Users\Admin\AppData\Roaming\rvvfraw

    MD5

    39a2a53312497f41dfe04b75e19a5e58

    SHA1

    80d44d1b07ff289d510b175707b5ebfaddc82ca3

    SHA256

    da34d81f2d973efd60e29141088b139868c210d26f2ca4715e5e27152443890e

    SHA512

    4dbeaa39eec98da7c4cfdd62b39308391608641820da5f3908b14deaec76d889c6ca1a90af0a6f98a7f3dc115b0435d2601e0a79437ec2dc23544311ca646476

  • \ProgramData\mozglue.dll

    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • \ProgramData\nss3.dll

    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • \Users\Admin\AppData\LocalLow\FflibsFder.tmp\freebl3.dll

    MD5

    60acd24430204ad2dc7f148b8cfe9bdc

    SHA1

    989f377b9117d7cb21cbe92a4117f88f9c7693d9

    SHA256

    9876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97

    SHA512

    626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01

  • \Users\Admin\AppData\LocalLow\FflibsFder.tmp\mozglue.dll

    MD5

    eae9273f8cdcf9321c6c37c244773139

    SHA1

    8378e2a2f3635574c106eea8419b5eb00b8489b0

    SHA256

    a0c6630d4012ae0311ff40f4f06911bcf1a23f7a4762ce219b8dffa012d188cc

    SHA512

    06e43e484a89cea9ba9b9519828d38e7c64b040f44cdaeb321cbda574e7551b11fea139ce3538f387a0a39a3d8c4cba7f4cf03e4a3c98db85f8121c2212a9097

  • \Users\Admin\AppData\LocalLow\FflibsFder.tmp\nss3.dll

    MD5

    02cc7b8ee30056d5912de54f1bdfc219

    SHA1

    a6923da95705fb81e368ae48f93d28522ef552fb

    SHA256

    1989526553fd1e1e49b0fea8036822ca062d3d39c4cab4a37846173d0f1753d5

    SHA512

    0d5dfcf4fb19b27246fa799e339d67cd1b494427783f379267fb2d10d615ffb734711bab2c515062c078f990a44a36f2d15859b1dacd4143dcc35b5c0cee0ef5

  • \Users\Admin\AppData\LocalLow\FflibsFder.tmp\softokn3.dll

    MD5

    4e8df049f3459fa94ab6ad387f3561ac

    SHA1

    06ed392bc29ad9d5fc05ee254c2625fd65925114

    SHA256

    25a4dae37120426ab060ebb39b7030b3e7c1093cc34b0877f223b6843b651871

    SHA512

    3dd4a86f83465989b2b30c240a7307edd1b92d5c1d5c57d47eff287dc9daa7bace157017908d82e00be90f08ff5badb68019ffc9d881440229dcea5038f61cd6

  • \Users\Admin\AppData\LocalLow\sqlite3.dll

    MD5

    f964811b68f9f1487c2b41e1aef576ce

    SHA1

    b423959793f14b1416bc3b7051bed58a1034025f

    SHA256

    83bc57dcf282264f2b00c21ce0339eac20fcb7401f7c5472c0cd0c014844e5f7

    SHA512

    565b1a7291c6fcb63205907fcd9e72fc2e11ca945afc4468c378edba882e2f314c2ac21a7263880ff7d4b84c2a1678024c1ac9971ac1c1de2bfa4248ec0f98c4

  • memory/584-143-0x0000000000000000-mapping.dmp

  • memory/644-145-0x0000000000000000-mapping.dmp

  • memory/1052-141-0x0000000000000000-mapping.dmp

  • memory/1560-144-0x0000000000000000-mapping.dmp

  • memory/1828-155-0x0000000000402F18-mapping.dmp

  • memory/2072-117-0x0000000000030000-0x0000000000039000-memory.dmp

    Filesize

    36KB

  • memory/2308-142-0x0000000000000000-mapping.dmp

  • memory/2348-116-0x0000000000402F18-mapping.dmp

  • memory/2348-115-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2660-125-0x0000000000E00000-0x0000000000E8E000-memory.dmp

    Filesize

    568KB

  • memory/2660-119-0x0000000000000000-mapping.dmp

  • memory/2660-126-0x0000000000400000-0x00000000008A7000-memory.dmp

    Filesize

    4.7MB

  • memory/2740-128-0x0000000000000000-mapping.dmp

  • memory/2740-134-0x0000000000400000-0x00000000008A9000-memory.dmp

    Filesize

    4.7MB

  • memory/2740-133-0x0000000002510000-0x000000000259E000-memory.dmp

    Filesize

    568KB

  • memory/2804-122-0x0000000000000000-mapping.dmp

  • memory/2804-131-0x0000000000DD0000-0x0000000000EA6000-memory.dmp

    Filesize

    856KB

  • memory/2804-132-0x0000000000400000-0x00000000008D5000-memory.dmp

    Filesize

    4.8MB

  • memory/3008-118-0x0000000000D00000-0x0000000000D15000-memory.dmp

    Filesize

    84KB

  • memory/3008-157-0x0000000002D70000-0x0000000002D85000-memory.dmp

    Filesize

    84KB