Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2023 06:06

General

  • Target

    file.exe

  • Size

    290KB

  • MD5

    7efadde2c7b41f8914aa3f7957bd13f9

  • SHA1

    583344d2908188bae9affdef7eb2b1fc350e8ba5

  • SHA256

    cb654870e051cfb8b46dbce1018acb5039da9b95fc46a0babb61e191d9fecb53

  • SHA512

    ad24a7ea8a47ed8203f2ba251608f3c36352766d394523d498aee3bf3890229c9f1b58e375e42823bd7e8baf462d192da3c5e2fa24cca6423d16dd8a84b5d9ed

  • SSDEEP

    3072:/aXY4+va6wncQS+/DlLCSvVIxh6f9d5Wg/6qVdbVrRTk+:x4+i1nk+xC0VIxUF3So5FT

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://onualituyrs.org/

http://sumagulituyo.org/

http://snukerukeutit.org/

http://lightseinsteniki.org/

http://liuliuoumumy.org/

http://stualialuyastrelia.net/

http://kumbuyartyty.net/

http://criogetikfenbut.org/

http://tonimiuyaytre.org/

http://tyiuiunuewqy.org/

rc4.i32
rc4.i32

Signatures

  • Raccoon

    Raccoon is an infostealer written in C++ and first seen in 2019.

  • Raccoon Stealer V2 payload 4 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 4 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.

  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1212
  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\DC0D.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\DC0D.dll
      2⤵
      • Loads dropped DLL
      PID:3012
  • C:\Users\Admin\AppData\Local\Temp\E283.exe
    C:\Users\Admin\AppData\Local\Temp\E283.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Executes dropped EXE
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:2904
  • C:\Users\Admin\AppData\Local\Temp\ED6D.exe
    C:\Users\Admin\AppData\Local\Temp\ED6D.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2540
  • C:\Users\Admin\AppData\Local\Temp\F48F.exe
    C:\Users\Admin\AppData\Local\Temp\F48F.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:2928
  • C:\Users\Admin\AppData\Local\Temp\FA1C.exe
    C:\Users\Admin\AppData\Local\Temp\FA1C.exe
    1⤵
    • Executes dropped EXE
    PID:2972
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
    • Accesses Microsoft Outlook profiles
    • outlook_office_path
    • outlook_win_path
    PID:2236
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe
    1⤵
      PID:516

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Defense Evasion

    Virtualization/Sandbox Evasion

    1
    T1497

    Credential Access

    Unsecured Credentials

    2
    T1552

    Credentials In Files

    2
    T1552.001

    Discovery

    Query Registry

    4
    T1012

    Virtualization/Sandbox Evasion

    1
    T1497

    System Information Discovery

    3
    T1082

    Peripheral Device Discovery

    1
    T1120

    Collection

    Data from Local System

    2
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\6T5Dtg4PaJj8
      Filesize

      92KB

      MD5

      3f2000742dfce009334f21df6014ebe2

      SHA1

      a3d63a0770c7c4b197e00b4a604fb9315711aae8

      SHA256

      43ac1f4879a3e46340214841cb30fe4a62575173f4b0bd731935ad24c369f301

      SHA512

      c8f9c2b333f9bef73350ae002eb9442c9c9b8b50712408c74ac27b4ef80637750ddfbf03c91162ab3561d9f78ba96202c50c58b58256d9e74f2017c6f2c8093c

    • C:\Users\Admin\AppData\Local\Temp\DC0D.dll
      Filesize

      2.6MB

      MD5

      c73569915305ac15c46f6b0565bc39b0

      SHA1

      744e80ad9f09ee6a2e32fd1700f93ac45a270d53

      SHA256

      e08c706b8e7c518be2606ff7f3274918330b03ed2cd0bf2120a6676fb85dec8b

      SHA512

      a4c85815b872475858913c3dbad6a3820ceb93a317b0749c034948b80ddd4fb3c3a4b9da9740f578a662b8a9f7b8fe2841ef5ddf7152840182d6a0b76f6eca40

    • C:\Users\Admin\AppData\Local\Temp\E283.exe
      Filesize

      4.1MB

      MD5

      41960f214e4314caa2f5157b11b00a18

      SHA1

      c405bffc785505bab364208c24e29eefe80f1e32

      SHA256

      69f5aca8d40511fbf3523b1e8e2cee4ff64b65ab94a7e734e9810ef0f617a327

      SHA512

      7cfcb85c84e493fc2362d96495da0b40f01d7884ba5cc0346714d487cb249379b2dec689f9958177aae49e71f6dafbfb9b7b9c046decb1b4356937052f8e9140

    • C:\Users\Admin\AppData\Local\Temp\ED6D.exe
      Filesize

      1.8MB

      MD5

      6d3e2ee8f723889b7c3cc7dd7f7b7326

      SHA1

      c739c825908d47921033fbe65db217a7550de798

      SHA256

      e5fef0ed227cef479a29f10d15f0740a4d47747893c69e0b1514e7069da844de

      SHA512

      9530762217ab46bd08d2d8e0004c673a1583949ecfc63407baf7c1dd8c4dad2f8d598f7bcebc9706ba4d14d96169cec88930cc0efddbebcfbb1313ea449536d2

    • C:\Users\Admin\AppData\Local\Temp\ED6D.exe
      Filesize

      1.8MB

      MD5

      6d3e2ee8f723889b7c3cc7dd7f7b7326

      SHA1

      c739c825908d47921033fbe65db217a7550de798

      SHA256

      e5fef0ed227cef479a29f10d15f0740a4d47747893c69e0b1514e7069da844de

      SHA512

      9530762217ab46bd08d2d8e0004c673a1583949ecfc63407baf7c1dd8c4dad2f8d598f7bcebc9706ba4d14d96169cec88930cc0efddbebcfbb1313ea449536d2

    • C:\Users\Admin\AppData\Local\Temp\F48F.exe
      Filesize

      269KB

      MD5

      4becc2e22d15e4d71fd0013a8c289366

      SHA1

      6b4cefa170131f4d5ee1eb702efb3b8ef70b05aa

      SHA256

      371f059454fe83d05e293285b9ab21c25c840f5441485e2888058278593a2482

      SHA512

      1a6effba136c9a49abe2b60fd3694bcfc75f1653788326ba1c2b90d40fef306dfd55f45722d1bf2f290b634d7ed967908ee96a0bd5cf21daced6f337363a83db

    • C:\Users\Admin\AppData\Local\Temp\F48F.exe
      Filesize

      269KB

      MD5

      4becc2e22d15e4d71fd0013a8c289366

      SHA1

      6b4cefa170131f4d5ee1eb702efb3b8ef70b05aa

      SHA256

      371f059454fe83d05e293285b9ab21c25c840f5441485e2888058278593a2482

      SHA512

      1a6effba136c9a49abe2b60fd3694bcfc75f1653788326ba1c2b90d40fef306dfd55f45722d1bf2f290b634d7ed967908ee96a0bd5cf21daced6f337363a83db

    • C:\Users\Admin\AppData\Local\Temp\FA1C.exe
      Filesize

      1.3MB

      MD5

      ce4583eb7787955cede660647c059b30

      SHA1

      bbc9b2721f647f05b284dd787ee4aec860ef8bdb

      SHA256

      37fe4a6c9ee99a766e31811344e1e7ba7974578a347bc3e3e02967be961c556b

      SHA512

      3879173fc72ffbd3ebf53b97bcf8c18bc5da3e3f7b6a69930a853a33db1ca7e7f9d185ccd054c8eab67b5e7e73a2582932faf654f9e508428dfc8250fc686a38

    • C:\Users\Admin\AppData\Local\Temp\FA1C.exe
      Filesize

      1.3MB

      MD5

      ce4583eb7787955cede660647c059b30

      SHA1

      bbc9b2721f647f05b284dd787ee4aec860ef8bdb

      SHA256

      37fe4a6c9ee99a766e31811344e1e7ba7974578a347bc3e3e02967be961c556b

      SHA512

      3879173fc72ffbd3ebf53b97bcf8c18bc5da3e3f7b6a69930a853a33db1ca7e7f9d185ccd054c8eab67b5e7e73a2582932faf654f9e508428dfc8250fc686a38

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

      612KB

      MD5

      f07d9977430e762b563eaadc2b94bbfa

      SHA1

      da0a05b2b8d269fb73558dfcf0ed5c167f6d3877

      SHA256

      4191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862

      SHA512

      6afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf

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

      1.9MB

      MD5

      f67d08e8c02574cbc2f1122c53bfb976

      SHA1

      6522992957e7e4d074947cad63189f308a80fcf2

      SHA256

      c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e

      SHA512

      2e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5

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

      1.0MB

      MD5

      dbf4f8dcefb8056dc6bae4b67ff810ce

      SHA1

      bbac1dd8a07c6069415c04b62747d794736d0689

      SHA256

      47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68

      SHA512

      b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1

    • \Users\Admin\AppData\Local\Temp\DC0D.dll
      Filesize

      2.6MB

      MD5

      c73569915305ac15c46f6b0565bc39b0

      SHA1

      744e80ad9f09ee6a2e32fd1700f93ac45a270d53

      SHA256

      e08c706b8e7c518be2606ff7f3274918330b03ed2cd0bf2120a6676fb85dec8b

      SHA512

      a4c85815b872475858913c3dbad6a3820ceb93a317b0749c034948b80ddd4fb3c3a4b9da9740f578a662b8a9f7b8fe2841ef5ddf7152840182d6a0b76f6eca40

    • memory/516-111-0x0000000000060000-0x000000000006C000-memory.dmp
      Filesize

      48KB

    • memory/516-113-0x0000000000060000-0x000000000006C000-memory.dmp
      Filesize

      48KB

    • memory/1212-1-0x00000000002F0000-0x00000000003F0000-memory.dmp
      Filesize

      1024KB

    • memory/1212-8-0x00000000001B0000-0x00000000001BB000-memory.dmp
      Filesize

      44KB

    • memory/1212-2-0x00000000001B0000-0x00000000001BB000-memory.dmp
      Filesize

      44KB

    • memory/1212-3-0x0000000000400000-0x0000000002ABE000-memory.dmp
      Filesize

      38.7MB

    • memory/1212-5-0x0000000000400000-0x0000000002ABE000-memory.dmp
      Filesize

      38.7MB

    • memory/1240-4-0x0000000002B70000-0x0000000002B86000-memory.dmp
      Filesize

      88KB

    • memory/2236-105-0x0000000000130000-0x00000000001B0000-memory.dmp
      Filesize

      512KB

    • memory/2236-102-0x00000000000C0000-0x000000000012B000-memory.dmp
      Filesize

      428KB

    • memory/2236-112-0x00000000000C0000-0x000000000012B000-memory.dmp
      Filesize

      428KB

    • memory/2540-64-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

    • memory/2540-85-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

    • memory/2540-75-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

    • memory/2540-73-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

    • memory/2540-72-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
      Filesize

      4KB

    • memory/2540-70-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

    • memory/2540-68-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

    • memory/2540-87-0x0000000074730000-0x0000000074E1E000-memory.dmp
      Filesize

      6.9MB

    • memory/2540-66-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

    • memory/2540-96-0x0000000004FA0000-0x0000000004FE0000-memory.dmp
      Filesize

      256KB

    • memory/2904-41-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-103-0x0000000000E70000-0x00000000017F2000-memory.dmp
      Filesize

      9.5MB

    • memory/2904-59-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-57-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-58-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-60-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-61-0x0000000077C20000-0x0000000077C22000-memory.dmp
      Filesize

      8KB

    • memory/2904-62-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-63-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-49-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-55-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-48-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-47-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-46-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-45-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-43-0x0000000076830000-0x0000000076877000-memory.dmp
      Filesize

      284KB

    • memory/2904-42-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-40-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-82-0x0000000000E70000-0x00000000017F2000-memory.dmp
      Filesize

      9.5MB

    • memory/2904-39-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-86-0x0000000074730000-0x0000000074E1E000-memory.dmp
      Filesize

      6.9MB

    • memory/2904-38-0x0000000076830000-0x0000000076877000-memory.dmp
      Filesize

      284KB

    • memory/2904-26-0x0000000000E70000-0x00000000017F2000-memory.dmp
      Filesize

      9.5MB

    • memory/2904-123-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-124-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-128-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-37-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-36-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-35-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-129-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-99-0x0000000007BC0000-0x0000000007C00000-memory.dmp
      Filesize

      256KB

    • memory/2904-130-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-56-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-34-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-131-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-104-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-132-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-106-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-110-0x0000000076830000-0x0000000076877000-memory.dmp
      Filesize

      284KB

    • memory/2904-116-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-115-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-114-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-122-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-117-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-121-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-120-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-119-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2904-118-0x0000000075DB0000-0x0000000075EC0000-memory.dmp
      Filesize

      1.1MB

    • memory/2928-90-0x0000000000400000-0x0000000000B9D000-memory.dmp
      Filesize

      7.6MB

    • memory/2928-188-0x0000000000400000-0x0000000000B9D000-memory.dmp
      Filesize

      7.6MB

    • memory/2928-88-0x0000000000C10000-0x0000000000D10000-memory.dmp
      Filesize

      1024KB

    • memory/2928-149-0x0000000000400000-0x0000000000B9D000-memory.dmp
      Filesize

      7.6MB

    • memory/2928-89-0x00000000002A0000-0x00000000002B6000-memory.dmp
      Filesize

      88KB

    • memory/2972-97-0x0000000000FD0000-0x0000000001118000-memory.dmp
      Filesize

      1.3MB

    • memory/2972-98-0x0000000074730000-0x0000000074E1E000-memory.dmp
      Filesize

      6.9MB

    • memory/2972-100-0x0000000004EB0000-0x0000000004EF0000-memory.dmp
      Filesize

      256KB

    • memory/3012-27-0x0000000000A80000-0x0000000000B88000-memory.dmp
      Filesize

      1.0MB

    • memory/3012-31-0x0000000000A80000-0x0000000000B88000-memory.dmp
      Filesize

      1.0MB

    • memory/3012-30-0x0000000000A80000-0x0000000000B88000-memory.dmp
      Filesize

      1.0MB

    • memory/3012-25-0x0000000000BA0000-0x0000000000CC4000-memory.dmp
      Filesize

      1.1MB

    • memory/3012-19-0x0000000010000000-0x000000001028E000-memory.dmp
      Filesize

      2.6MB

    • memory/3012-18-0x0000000000180000-0x0000000000186000-memory.dmp
      Filesize

      24KB

    • memory/3012-28-0x0000000000A80000-0x0000000000B88000-memory.dmp
      Filesize

      1.0MB