Analysis

  • max time kernel
    72s
  • max time network
    102s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    08-06-2021 07:03

General

  • Target

    9c8697e583e0071d29bc362cdfba1a21.exe

  • Size

    337KB

  • MD5

    9c8697e583e0071d29bc362cdfba1a21

  • SHA1

    4957e631d8c622ffd64ccb338b0ed2793928f935

  • SHA256

    255a309aa4ac9d53e3de0f3247b3388d6376af9efb19f8256fd8d1db5bfb2448

  • SHA512

    991633afe078ccdc2328df1a24fe6728592941993696a776b508567579bb8ef0c6f2fa007529ab0eebf0af82503e3d05cb5b5c4eb7aaa1a2bfdbcf12be0be3d4

Malware Config

Extracted

Family

raccoon

Botnet

28198d4512d0cf31c204eddceb4471d79950b588

Attributes
  • url4cnc

    https://tttttt.me/capibar

rc4.plain
rc4.plain

Extracted

Family

cryptbot

C2

olmjby22.top

mortyl02.top

Attributes
  • payload_url

    http://vamzxy03.top/download.php?file=lv.exe

Extracted

Family

redline

Botnet

MIX 08.06

C2

185.215.113.17:18597

Signatures

  • CryptBot

    A C++ stealer distributed widely in bundle with other software.

  • CryptBot Payload 2 IoCs
  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • RedLine

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

  • RedLine Payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 13 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 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c8697e583e0071d29bc362cdfba1a21.exe
    "C:\Users\Admin\AppData\Local\Temp\9c8697e583e0071d29bc362cdfba1a21.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\84013074734.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:588
      • C:\Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\84013074734.exe
        "C:\Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\84013074734.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Modifies system certificate store
        • Suspicious use of WriteProcessMemory
        PID:1904
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\84013074734.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:964
          • C:\Windows\SysWOW64\timeout.exe
            timeout /T 10 /NOBREAK
            5⤵
            • Delays execution with timeout.exe
            PID:1600
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\96724933287.exe" /mix
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1396
      • C:\Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\96724933287.exe
        "C:\Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\96724933287.exe" /mix
        3⤵
        • Executes dropped EXE
        • Checks processor information in registry
        PID:800
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\72610280546.exe" /mix
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1696
      • C:\Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\72610280546.exe
        "C:\Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\72610280546.exe" /mix
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Modifies system certificate store
        • Suspicious use of WriteProcessMemory
        PID:1832
        • C:\Users\Admin\AppData\Roaming\nailedp\edspolishpp.exe
          edspolishpp.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:552
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "9c8697e583e0071d29bc362cdfba1a21.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\9c8697e583e0071d29bc362cdfba1a21.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2036
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "9c8697e583e0071d29bc362cdfba1a21.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2000

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\72610280546.exe

    MD5

    37428f7016077d4689c4b5cf110803d1

    SHA1

    99858fc1d99be082351d07f7a5ca0035b3c5b078

    SHA256

    aa68eec8a7206098f2cf085f1fcf8bc462b0d9847b25a8de3933fc354a618834

    SHA512

    d21f43bbeff890bf82b49934f2b9cc0e28f8af8bf662314af6e3003763057b09251ab8b1bc31d2ab6de2aaf5503a0ae0bf6b1925c0d00fce7ccfa6e12d783d86

  • C:\Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\72610280546.exe

    MD5

    37428f7016077d4689c4b5cf110803d1

    SHA1

    99858fc1d99be082351d07f7a5ca0035b3c5b078

    SHA256

    aa68eec8a7206098f2cf085f1fcf8bc462b0d9847b25a8de3933fc354a618834

    SHA512

    d21f43bbeff890bf82b49934f2b9cc0e28f8af8bf662314af6e3003763057b09251ab8b1bc31d2ab6de2aaf5503a0ae0bf6b1925c0d00fce7ccfa6e12d783d86

  • C:\Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\84013074734.exe

    MD5

    e7ccfdce0d5c66e3f1d4d89eac63fafa

    SHA1

    23634375e7b10ca832f7da12569e1390171a41fd

    SHA256

    4cd381d6f335c3f329c9d0aeff1a0336d1aeddd13e5cccef40315bb7b0616cc1

    SHA512

    9ddb95a47cd45f4a81e411240c7964411195dcd6e641eae31159b4601ac06084bf9a967acb4e88dd762fa70fdf4856fec135bd8c4bdc91968e47c542033af60f

  • C:\Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\84013074734.exe

    MD5

    e7ccfdce0d5c66e3f1d4d89eac63fafa

    SHA1

    23634375e7b10ca832f7da12569e1390171a41fd

    SHA256

    4cd381d6f335c3f329c9d0aeff1a0336d1aeddd13e5cccef40315bb7b0616cc1

    SHA512

    9ddb95a47cd45f4a81e411240c7964411195dcd6e641eae31159b4601ac06084bf9a967acb4e88dd762fa70fdf4856fec135bd8c4bdc91968e47c542033af60f

  • C:\Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\96724933287.exe

    MD5

    c51c45bbb095023f3b002838d0260d93

    SHA1

    b89089aab28c604de07707b309e1a6cfd1d8bc45

    SHA256

    6051ad192d2c5bbf8505a23b280a880339665074ff7303527a3ec61e2c586476

    SHA512

    21f06c6da9a85d0e3173ca577d6be8d6bf2059761665844289797ee3d71c598d2a54686c7dc0b68c9c47f4413e7de07468fb6c21ee1cd04401f408ddc149de56

  • C:\Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\96724933287.exe

    MD5

    c51c45bbb095023f3b002838d0260d93

    SHA1

    b89089aab28c604de07707b309e1a6cfd1d8bc45

    SHA256

    6051ad192d2c5bbf8505a23b280a880339665074ff7303527a3ec61e2c586476

    SHA512

    21f06c6da9a85d0e3173ca577d6be8d6bf2059761665844289797ee3d71c598d2a54686c7dc0b68c9c47f4413e7de07468fb6c21ee1cd04401f408ddc149de56

  • C:\Users\Admin\AppData\Roaming\nailedp\edspolishpp.exe

    MD5

    b5e7e1fd00e34e49999f5b60286cd7aa

    SHA1

    3321f734fcf156bca17c7faadc7fe863a44fe849

    SHA256

    ec3c9e1878a43c6f5d7c0c5fd98ba61ca5e4d4ceae6ce3c7693e4c3a3c8283fe

    SHA512

    1e01e673aa1fa59a2ce5ddc9148ba15041dee4f00a83021bda32a9a60e27131098f57a69e27b306706e63e2ed0a96fe7d8c765942a3119d718c7afdc0f802e8c

  • \Users\Admin\AppData\LocalLow\gC9tT2iQ3s\freebl3.dll

    MD5

    60acd24430204ad2dc7f148b8cfe9bdc

    SHA1

    989f377b9117d7cb21cbe92a4117f88f9c7693d9

    SHA256

    9876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97

    SHA512

    626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01

  • \Users\Admin\AppData\LocalLow\gC9tT2iQ3s\mozglue.dll

    MD5

    eae9273f8cdcf9321c6c37c244773139

    SHA1

    8378e2a2f3635574c106eea8419b5eb00b8489b0

    SHA256

    a0c6630d4012ae0311ff40f4f06911bcf1a23f7a4762ce219b8dffa012d188cc

    SHA512

    06e43e484a89cea9ba9b9519828d38e7c64b040f44cdaeb321cbda574e7551b11fea139ce3538f387a0a39a3d8c4cba7f4cf03e4a3c98db85f8121c2212a9097

  • \Users\Admin\AppData\LocalLow\gC9tT2iQ3s\msvcp140.dll

    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • \Users\Admin\AppData\LocalLow\gC9tT2iQ3s\nss3.dll

    MD5

    02cc7b8ee30056d5912de54f1bdfc219

    SHA1

    a6923da95705fb81e368ae48f93d28522ef552fb

    SHA256

    1989526553fd1e1e49b0fea8036822ca062d3d39c4cab4a37846173d0f1753d5

    SHA512

    0d5dfcf4fb19b27246fa799e339d67cd1b494427783f379267fb2d10d615ffb734711bab2c515062c078f990a44a36f2d15859b1dacd4143dcc35b5c0cee0ef5

  • \Users\Admin\AppData\LocalLow\gC9tT2iQ3s\softokn3.dll

    MD5

    4e8df049f3459fa94ab6ad387f3561ac

    SHA1

    06ed392bc29ad9d5fc05ee254c2625fd65925114

    SHA256

    25a4dae37120426ab060ebb39b7030b3e7c1093cc34b0877f223b6843b651871

    SHA512

    3dd4a86f83465989b2b30c240a7307edd1b92d5c1d5c57d47eff287dc9daa7bace157017908d82e00be90f08ff5badb68019ffc9d881440229dcea5038f61cd6

  • \Users\Admin\AppData\LocalLow\gC9tT2iQ3s\vcruntime140.dll

    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

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

    MD5

    f964811b68f9f1487c2b41e1aef576ce

    SHA1

    b423959793f14b1416bc3b7051bed58a1034025f

    SHA256

    83bc57dcf282264f2b00c21ce0339eac20fcb7401f7c5472c0cd0c014844e5f7

    SHA512

    565b1a7291c6fcb63205907fcd9e72fc2e11ca945afc4468c378edba882e2f314c2ac21a7263880ff7d4b84c2a1678024c1ac9971ac1c1de2bfa4248ec0f98c4

  • \Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\72610280546.exe

    MD5

    37428f7016077d4689c4b5cf110803d1

    SHA1

    99858fc1d99be082351d07f7a5ca0035b3c5b078

    SHA256

    aa68eec8a7206098f2cf085f1fcf8bc462b0d9847b25a8de3933fc354a618834

    SHA512

    d21f43bbeff890bf82b49934f2b9cc0e28f8af8bf662314af6e3003763057b09251ab8b1bc31d2ab6de2aaf5503a0ae0bf6b1925c0d00fce7ccfa6e12d783d86

  • \Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\84013074734.exe

    MD5

    e7ccfdce0d5c66e3f1d4d89eac63fafa

    SHA1

    23634375e7b10ca832f7da12569e1390171a41fd

    SHA256

    4cd381d6f335c3f329c9d0aeff1a0336d1aeddd13e5cccef40315bb7b0616cc1

    SHA512

    9ddb95a47cd45f4a81e411240c7964411195dcd6e641eae31159b4601ac06084bf9a967acb4e88dd762fa70fdf4856fec135bd8c4bdc91968e47c542033af60f

  • \Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\84013074734.exe

    MD5

    e7ccfdce0d5c66e3f1d4d89eac63fafa

    SHA1

    23634375e7b10ca832f7da12569e1390171a41fd

    SHA256

    4cd381d6f335c3f329c9d0aeff1a0336d1aeddd13e5cccef40315bb7b0616cc1

    SHA512

    9ddb95a47cd45f4a81e411240c7964411195dcd6e641eae31159b4601ac06084bf9a967acb4e88dd762fa70fdf4856fec135bd8c4bdc91968e47c542033af60f

  • \Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\96724933287.exe

    MD5

    c51c45bbb095023f3b002838d0260d93

    SHA1

    b89089aab28c604de07707b309e1a6cfd1d8bc45

    SHA256

    6051ad192d2c5bbf8505a23b280a880339665074ff7303527a3ec61e2c586476

    SHA512

    21f06c6da9a85d0e3173ca577d6be8d6bf2059761665844289797ee3d71c598d2a54686c7dc0b68c9c47f4413e7de07468fb6c21ee1cd04401f408ddc149de56

  • \Users\Admin\AppData\Local\Temp\{u1D4-Wxr7x-oIKn-dG7zV}\96724933287.exe

    MD5

    c51c45bbb095023f3b002838d0260d93

    SHA1

    b89089aab28c604de07707b309e1a6cfd1d8bc45

    SHA256

    6051ad192d2c5bbf8505a23b280a880339665074ff7303527a3ec61e2c586476

    SHA512

    21f06c6da9a85d0e3173ca577d6be8d6bf2059761665844289797ee3d71c598d2a54686c7dc0b68c9c47f4413e7de07468fb6c21ee1cd04401f408ddc149de56

  • \Users\Admin\AppData\Roaming\nailedp\edspolishpp.exe

    MD5

    b5e7e1fd00e34e49999f5b60286cd7aa

    SHA1

    3321f734fcf156bca17c7faadc7fe863a44fe849

    SHA256

    ec3c9e1878a43c6f5d7c0c5fd98ba61ca5e4d4ceae6ce3c7693e4c3a3c8283fe

    SHA512

    1e01e673aa1fa59a2ce5ddc9148ba15041dee4f00a83021bda32a9a60e27131098f57a69e27b306706e63e2ed0a96fe7d8c765942a3119d718c7afdc0f802e8c

  • memory/552-106-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/552-108-0x0000000004982000-0x0000000004983000-memory.dmp

    Filesize

    4KB

  • memory/552-110-0x0000000004984000-0x0000000004986000-memory.dmp

    Filesize

    8KB

  • memory/552-109-0x0000000004983000-0x0000000004984000-memory.dmp

    Filesize

    4KB

  • memory/552-104-0x0000000002010000-0x0000000002029000-memory.dmp

    Filesize

    100KB

  • memory/552-103-0x00000000005A0000-0x00000000005BA000-memory.dmp

    Filesize

    104KB

  • memory/552-107-0x0000000004981000-0x0000000004982000-memory.dmp

    Filesize

    4KB

  • memory/552-101-0x0000000000000000-mapping.dmp

  • memory/552-105-0x00000000003D0000-0x00000000003FF000-memory.dmp

    Filesize

    188KB

  • memory/588-63-0x0000000000000000-mapping.dmp

  • memory/800-77-0x0000000000000000-mapping.dmp

  • memory/800-94-0x00000000006F0000-0x00000000007D1000-memory.dmp

    Filesize

    900KB

  • memory/800-95-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/964-85-0x0000000000000000-mapping.dmp

  • memory/1396-73-0x0000000000000000-mapping.dmp

  • memory/1600-86-0x0000000000000000-mapping.dmp

  • memory/1656-61-0x0000000000230000-0x000000000025F000-memory.dmp

    Filesize

    188KB

  • memory/1656-62-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1656-60-0x0000000076E11000-0x0000000076E13000-memory.dmp

    Filesize

    8KB

  • memory/1696-87-0x0000000000000000-mapping.dmp

  • memory/1832-98-0x00000000004E0000-0x00000000005AE000-memory.dmp

    Filesize

    824KB

  • memory/1832-99-0x0000000000400000-0x00000000004D5000-memory.dmp

    Filesize

    852KB

  • memory/1832-90-0x0000000000000000-mapping.dmp

  • memory/1904-71-0x0000000000400000-0x0000000000492000-memory.dmp

    Filesize

    584KB

  • memory/1904-70-0x0000000001C10000-0x0000000001CA1000-memory.dmp

    Filesize

    580KB

  • memory/1904-67-0x0000000000000000-mapping.dmp

  • memory/2000-96-0x0000000000000000-mapping.dmp

  • memory/2036-93-0x0000000000000000-mapping.dmp