Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2022 13:02

General

  • Target

    b020d423131a7b019ae75d4d70b93c42.exe

  • Size

    316KB

  • MD5

    b020d423131a7b019ae75d4d70b93c42

  • SHA1

    ad8c4a06858964a918c01bd4e9b66b37a94743c6

  • SHA256

    7a0268be5fbffbe146338591959ffe772ca26a3b78bda1479db38791952aa4e2

  • SHA512

    e9daf96cdc7d09c05d33fb3b6f4efab38a91be4f243a9a3a317a4542a1d2ca0634a918a6e713dd917d38cef4200449caddd140933d8c0952316d01997e6bbfeb

  • SSDEEP

    3072:Me4X1ah9NN9g+X25h3c4DR82hKajyrTeLQo0KpYRXqeM/h3BsxkgaBChU/pZa9uk:MeM2i+kcqhBPQo0LXhnigabwVf

Malware Config

Extracted

Family

redline

Botnet

11

C2

77.73.134.27:7161

Attributes
  • auth_value

    e6aadafed1fda7723d7655a5894828d2

Extracted

Family

raccoon

Botnet

aeea23901ace2687ada0edd1d2615c7f

C2

http://77.73.134.31/

rc4.plain

Signatures

  • Detects Smokeloader packer 1 IoCs
  • Raccoon

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

  • RedLine

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

  • RedLine payload 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 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
  • 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 NtSetInformationThreadHideFromDebugger 2 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b020d423131a7b019ae75d4d70b93c42.exe
    "C:\Users\Admin\AppData\Local\Temp\b020d423131a7b019ae75d4d70b93c42.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1572
  • C:\Users\Admin\AppData\Local\Temp\2F.exe
    C:\Users\Admin\AppData\Local\Temp\2F.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1628
    • 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:102928
  • C:\Users\Admin\AppData\Local\Temp\E97.exe
    C:\Users\Admin\AppData\Local\Temp\E97.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:102992
  • C:\Users\Admin\AppData\Local\Temp\18AA.exe
    C:\Users\Admin\AppData\Local\Temp\18AA.exe
    1⤵
    • Executes dropped EXE
    PID:103096
  • C:\Users\Admin\AppData\Local\Temp\305A.exe
    C:\Users\Admin\AppData\Local\Temp\305A.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    PID:103260
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:103288
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:103348
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:103400
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:102952
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:220
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              1⤵
                PID:960
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:1732
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:1832
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:4684

                    Network

                    MITRE ATT&CK Matrix ATT&CK v6

                    Credential Access

                    Credentials in Files

                    2
                    T1081

                    Discovery

                    Query Registry

                    2
                    T1012

                    Peripheral Device Discovery

                    1
                    T1120

                    System Information Discovery

                    1
                    T1082

                    Collection

                    Data from Local System

                    2
                    T1005

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

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

                      612KB

                      MD5

                      f07d9977430e762b563eaadc2b94bbfa

                      SHA1

                      da0a05b2b8d269fb73558dfcf0ed5c167f6d3877

                      SHA256

                      4191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862

                      SHA512

                      6afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf

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

                      1.9MB

                      MD5

                      f67d08e8c02574cbc2f1122c53bfb976

                      SHA1

                      6522992957e7e4d074947cad63189f308a80fcf2

                      SHA256

                      c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e

                      SHA512

                      2e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5

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

                      1.0MB

                      MD5

                      dbf4f8dcefb8056dc6bae4b67ff810ce

                      SHA1

                      bbac1dd8a07c6069415c04b62747d794736d0689

                      SHA256

                      47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68

                      SHA512

                      b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1

                    • C:\Users\Admin\AppData\Local\Temp\18AA.exe
                      Filesize

                      346KB

                      MD5

                      ddc8988c466642bb16fd691cdc33a86f

                      SHA1

                      92fe1907a28901514adc74f4d39d7e47802d48ec

                      SHA256

                      2ebf1fdd6bb9feb19c80aae67f26b339f07ec2217cbdd25d02ea5e41390b371f

                      SHA512

                      c1c6933bed4363093e396bf64e93c19e810276dfedc51bbbb0118b735f49b021c81174c3aab6ebf5937f3000cdd22b5158c5c117dd4eb300da2cc8d9fb18f230

                    • C:\Users\Admin\AppData\Local\Temp\18AA.exe
                      Filesize

                      346KB

                      MD5

                      ddc8988c466642bb16fd691cdc33a86f

                      SHA1

                      92fe1907a28901514adc74f4d39d7e47802d48ec

                      SHA256

                      2ebf1fdd6bb9feb19c80aae67f26b339f07ec2217cbdd25d02ea5e41390b371f

                      SHA512

                      c1c6933bed4363093e396bf64e93c19e810276dfedc51bbbb0118b735f49b021c81174c3aab6ebf5937f3000cdd22b5158c5c117dd4eb300da2cc8d9fb18f230

                    • C:\Users\Admin\AppData\Local\Temp\2F.exe
                      Filesize

                      2.6MB

                      MD5

                      68d0826f868433f44dd9aaf631f7d616

                      SHA1

                      3ba777f68d4e4051317b0676c0eea794f3515dfa

                      SHA256

                      e51fb04aabdb1102bf3ee0a0dd8d4d19e43b3f7735d5839391af244660152e55

                      SHA512

                      e00313c5c637f3db1a612c38c4a67bab0b5b5a7443264bb63f8c266e2d5f70d58688c776f301753049ca8f8672b921162fffc8cf563eccf9462fda89f6aaccc2

                    • C:\Users\Admin\AppData\Local\Temp\2F.exe
                      Filesize

                      2.6MB

                      MD5

                      68d0826f868433f44dd9aaf631f7d616

                      SHA1

                      3ba777f68d4e4051317b0676c0eea794f3515dfa

                      SHA256

                      e51fb04aabdb1102bf3ee0a0dd8d4d19e43b3f7735d5839391af244660152e55

                      SHA512

                      e00313c5c637f3db1a612c38c4a67bab0b5b5a7443264bb63f8c266e2d5f70d58688c776f301753049ca8f8672b921162fffc8cf563eccf9462fda89f6aaccc2

                    • C:\Users\Admin\AppData\Local\Temp\305A.exe
                      Filesize

                      6.3MB

                      MD5

                      0b8f401adbffdf993e3d3deed2007c1e

                      SHA1

                      434517a36e10d108da14a4b7d7fe4237f1f456cc

                      SHA256

                      14cd68ea5fcf2467130945fb07294b11692001858835ca7b9c7b0b996fc5ee6b

                      SHA512

                      2b28899a3d9dbac28b1fb217dc27ca588ea87c1af1aeadfd8b6755bf1806f35778f08758dd8873595fefb8845c3a43fbd76ca274415f55c1f62585167796b2a9

                    • C:\Users\Admin\AppData\Local\Temp\305A.exe
                      Filesize

                      6.3MB

                      MD5

                      0b8f401adbffdf993e3d3deed2007c1e

                      SHA1

                      434517a36e10d108da14a4b7d7fe4237f1f456cc

                      SHA256

                      14cd68ea5fcf2467130945fb07294b11692001858835ca7b9c7b0b996fc5ee6b

                      SHA512

                      2b28899a3d9dbac28b1fb217dc27ca588ea87c1af1aeadfd8b6755bf1806f35778f08758dd8873595fefb8845c3a43fbd76ca274415f55c1f62585167796b2a9

                    • C:\Users\Admin\AppData\Local\Temp\E97.exe
                      Filesize

                      255KB

                      MD5

                      07ea3bc2b9eaacd002de4f59803ef234

                      SHA1

                      8a796069e5eac844f40b4487c80ed1c93316a331

                      SHA256

                      2302396062d7523a230f0a81ada322bb8907e11d006c0ec29a37821dd084bfe1

                      SHA512

                      d89e46145536d9b5fc310b72b24a4b1790100bbfd18b39a48dd10938255233132f0d87190c4c84c2b78076d9b0a39c4c9f6f27ece40a9b3f93b3e65aaca2c092

                    • C:\Users\Admin\AppData\Local\Temp\E97.exe
                      Filesize

                      255KB

                      MD5

                      07ea3bc2b9eaacd002de4f59803ef234

                      SHA1

                      8a796069e5eac844f40b4487c80ed1c93316a331

                      SHA256

                      2302396062d7523a230f0a81ada322bb8907e11d006c0ec29a37821dd084bfe1

                      SHA512

                      d89e46145536d9b5fc310b72b24a4b1790100bbfd18b39a48dd10938255233132f0d87190c4c84c2b78076d9b0a39c4c9f6f27ece40a9b3f93b3e65aaca2c092

                    • memory/220-186-0x0000000000000000-mapping.dmp
                    • memory/220-188-0x0000000001120000-0x0000000001147000-memory.dmp
                      Filesize

                      156KB

                    • memory/220-187-0x0000000001150000-0x0000000001172000-memory.dmp
                      Filesize

                      136KB

                    • memory/220-205-0x0000000001150000-0x0000000001172000-memory.dmp
                      Filesize

                      136KB

                    • memory/960-190-0x0000000000570000-0x0000000000575000-memory.dmp
                      Filesize

                      20KB

                    • memory/960-189-0x0000000000000000-mapping.dmp
                    • memory/960-191-0x0000000000560000-0x0000000000569000-memory.dmp
                      Filesize

                      36KB

                    • memory/960-209-0x0000000000570000-0x0000000000575000-memory.dmp
                      Filesize

                      20KB

                    • memory/1572-135-0x0000000000400000-0x0000000000454000-memory.dmp
                      Filesize

                      336KB

                    • memory/1572-133-0x00000000009F0000-0x00000000009F9000-memory.dmp
                      Filesize

                      36KB

                    • memory/1572-134-0x0000000000400000-0x0000000000454000-memory.dmp
                      Filesize

                      336KB

                    • memory/1572-132-0x00000000005FE000-0x000000000060E000-memory.dmp
                      Filesize

                      64KB

                    • memory/1628-136-0x0000000000000000-mapping.dmp
                    • memory/1732-193-0x00000000008B0000-0x00000000008B6000-memory.dmp
                      Filesize

                      24KB

                    • memory/1732-194-0x00000000008A0000-0x00000000008AB000-memory.dmp
                      Filesize

                      44KB

                    • memory/1732-210-0x00000000008B0000-0x00000000008B6000-memory.dmp
                      Filesize

                      24KB

                    • memory/1732-192-0x0000000000000000-mapping.dmp
                    • memory/1832-196-0x00000000012C0000-0x00000000012C7000-memory.dmp
                      Filesize

                      28KB

                    • memory/1832-211-0x00000000012C0000-0x00000000012C7000-memory.dmp
                      Filesize

                      28KB

                    • memory/1832-197-0x00000000012B0000-0x00000000012BD000-memory.dmp
                      Filesize

                      52KB

                    • memory/1832-195-0x0000000000000000-mapping.dmp
                    • memory/4684-199-0x0000000000570000-0x0000000000578000-memory.dmp
                      Filesize

                      32KB

                    • memory/4684-200-0x0000000000560000-0x000000000056B000-memory.dmp
                      Filesize

                      44KB

                    • memory/4684-198-0x0000000000000000-mapping.dmp
                    • memory/4684-212-0x0000000000570000-0x0000000000578000-memory.dmp
                      Filesize

                      32KB

                    • memory/102928-145-0x0000000005650000-0x0000000005C68000-memory.dmp
                      Filesize

                      6.1MB

                    • memory/102928-150-0x00000000050F0000-0x000000000512C000-memory.dmp
                      Filesize

                      240KB

                    • memory/102928-147-0x0000000005090000-0x00000000050A2000-memory.dmp
                      Filesize

                      72KB

                    • memory/102928-146-0x0000000005160000-0x000000000526A000-memory.dmp
                      Filesize

                      1.0MB

                    • memory/102928-140-0x0000000000400000-0x0000000000428000-memory.dmp
                      Filesize

                      160KB

                    • memory/102928-139-0x0000000000000000-mapping.dmp
                    • memory/102952-204-0x0000000000CD0000-0x0000000000CD6000-memory.dmp
                      Filesize

                      24KB

                    • memory/102952-183-0x0000000000000000-mapping.dmp
                    • memory/102952-185-0x0000000000CC0000-0x0000000000CCC000-memory.dmp
                      Filesize

                      48KB

                    • memory/102952-184-0x0000000000CD0000-0x0000000000CD6000-memory.dmp
                      Filesize

                      24KB

                    • memory/102992-155-0x0000000000400000-0x000000000059A000-memory.dmp
                      Filesize

                      1.6MB

                    • memory/102992-159-0x0000000006490000-0x0000000006506000-memory.dmp
                      Filesize

                      472KB

                    • memory/102992-148-0x0000000000000000-mapping.dmp
                    • memory/102992-152-0x0000000004CA0000-0x0000000005244000-memory.dmp
                      Filesize

                      5.6MB

                    • memory/102992-153-0x0000000000709000-0x0000000000733000-memory.dmp
                      Filesize

                      168KB

                    • memory/102992-178-0x0000000000400000-0x000000000059A000-memory.dmp
                      Filesize

                      1.6MB

                    • memory/102992-177-0x0000000000709000-0x0000000000733000-memory.dmp
                      Filesize

                      168KB

                    • memory/102992-154-0x0000000002090000-0x00000000020C8000-memory.dmp
                      Filesize

                      224KB

                    • memory/102992-156-0x0000000005690000-0x0000000005722000-memory.dmp
                      Filesize

                      584KB

                    • memory/102992-157-0x0000000005730000-0x0000000005796000-memory.dmp
                      Filesize

                      408KB

                    • memory/102992-158-0x0000000006410000-0x0000000006460000-memory.dmp
                      Filesize

                      320KB

                    • memory/102992-163-0x0000000006EF0000-0x00000000070B2000-memory.dmp
                      Filesize

                      1.8MB

                    • memory/102992-164-0x00000000070D0000-0x00000000075FC000-memory.dmp
                      Filesize

                      5.2MB

                    • memory/102992-165-0x00000000025B0000-0x00000000025CE000-memory.dmp
                      Filesize

                      120KB

                    • memory/103096-160-0x0000000000000000-mapping.dmp
                    • memory/103260-170-0x0000000000400000-0x0000000000DE2000-memory.dmp
                      Filesize

                      9.9MB

                    • memory/103260-213-0x0000000000400000-0x0000000000DE2000-memory.dmp
                      Filesize

                      9.9MB

                    • memory/103260-166-0x0000000000000000-mapping.dmp
                    • memory/103260-175-0x0000000000400000-0x0000000000DE2000-memory.dmp
                      Filesize

                      9.9MB

                    • memory/103288-174-0x0000000001120000-0x000000000112B000-memory.dmp
                      Filesize

                      44KB

                    • memory/103288-169-0x0000000000000000-mapping.dmp
                    • memory/103288-173-0x0000000001130000-0x0000000001137000-memory.dmp
                      Filesize

                      28KB

                    • memory/103288-201-0x0000000001130000-0x0000000001137000-memory.dmp
                      Filesize

                      28KB

                    • memory/103348-176-0x0000000000140000-0x000000000014F000-memory.dmp
                      Filesize

                      60KB

                    • memory/103348-172-0x0000000000000000-mapping.dmp
                    • memory/103348-203-0x0000000000150000-0x0000000000159000-memory.dmp
                      Filesize

                      36KB

                    • memory/103348-182-0x0000000000150000-0x0000000000159000-memory.dmp
                      Filesize

                      36KB

                    • memory/103400-180-0x0000000001130000-0x0000000001135000-memory.dmp
                      Filesize

                      20KB

                    • memory/103400-179-0x0000000000000000-mapping.dmp
                    • memory/103400-181-0x0000000001120000-0x0000000001129000-memory.dmp
                      Filesize

                      36KB

                    • memory/103400-202-0x0000000001130000-0x0000000001135000-memory.dmp
                      Filesize

                      20KB