Resubmissions

10-10-2023 19:06

231010-xr48baaa72 7

10-10-2023 18:57

231010-xmdvkahh85 7

11-12-2020 07:11

201211-8rk4l8xrye 10

Analysis

  • max time kernel
    42s
  • max time network
    98s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    11-12-2020 07:11

General

  • Target

    107fe810309d392811fb898622aa607c.exe

  • Size

    265KB

  • MD5

    107fe810309d392811fb898622aa607c

  • SHA1

    da82f9894db9b0a9b3cc9565a0c71e3e851cf98b

  • SHA256

    d03c84a13b8e6274f7353fd98e35f73c194938b61690a9a8a83c594a40994dec

  • SHA512

    1def7eff04fac2e9ce8f8f54655ade9640dfe81d0bf957762d173b13ef5d6681ef212418f8fd0e72d0d40fa0d2b0e1c1a3f05805ab0009bf2db3f175cd3d7d84

Malware Config

Signatures

  • 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
  • Executes dropped EXE 3 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 12 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
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 3 IoCs
  • 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
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\107fe810309d392811fb898622aa607c.exe
    "C:\Users\Admin\AppData\Local\Temp\107fe810309d392811fb898622aa607c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1408
    • C:\Users\Admin\AppData\Roaming\265F.tmp.exe
      "C:\Users\Admin\AppData\Roaming\265F.tmp.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:652
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:748
    • C:\Users\Admin\AppData\Roaming\29F9.tmp.exe
      "C:\Users\Admin\AppData\Roaming\29F9.tmp.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1368
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Roaming\29F9.tmp.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1648
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          4⤵
          • Delays execution with timeout.exe
          PID:1620
    • C:\Users\Admin\AppData\Roaming\2E4D.tmp.exe
      "C:\Users\Admin\AppData\Roaming\2E4D.tmp.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1472
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe"
        3⤵
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:1108
    • C:\Users\Admin\AppData\Local\Temp\107fe810309d392811fb898622aa607c.exe
      "C:\Users\Admin\AppData\Local\Temp\107fe810309d392811fb898622aa607c.exe"
      2⤵
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:660
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c ping 127.0.0.1 && del "C:\Users\Admin\AppData\Local\Temp\107fe810309d392811fb898622aa607c.exe" >> NUL
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1072
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:576

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\kaosdma.txt

    MD5

    0146b97f1bf748301734071d33706ba1

    SHA1

    4fe8ed756a2e7d09499d962cb3ffd9a7d3e20495

    SHA256

    c3af235b5b9c8f8c0657cab7c8c85f85d97100c7d13cb4fb6626c667e06b697f

    SHA512

    34e2df58d22ddbc3b5d4355394232e71b8ec68c389d2a21d99981200ba80e3f90e4af3c56aef2d50b5042796d658e6ac9007450d4e32f0d8db43d167a59f0cfb

  • C:\Users\Admin\AppData\Roaming\265F.tmp.exe

    MD5

    8136f3858716a51ea30bdc0e3494ede4

    SHA1

    94af873f93855e04349d75e11318e2fe0c1545d4

    SHA256

    3655e959a10cd3469622c03016704389127c655113a01bb46302498418184a10

    SHA512

    c3e18d620ba8a99dbf4b7efe5114d67f458d533a67ec41f65017fb4622dbc530c588e6012216c72f8b4b7ef8b0e9135950efa6d76066cdc6dea6bb9bf484e952

  • C:\Users\Admin\AppData\Roaming\265F.tmp.exe

    MD5

    8136f3858716a51ea30bdc0e3494ede4

    SHA1

    94af873f93855e04349d75e11318e2fe0c1545d4

    SHA256

    3655e959a10cd3469622c03016704389127c655113a01bb46302498418184a10

    SHA512

    c3e18d620ba8a99dbf4b7efe5114d67f458d533a67ec41f65017fb4622dbc530c588e6012216c72f8b4b7ef8b0e9135950efa6d76066cdc6dea6bb9bf484e952

  • C:\Users\Admin\AppData\Roaming\29F9.tmp.exe

    MD5

    451c01146bf6d0075d41ee9034f2059a

    SHA1

    54644c8488c37287e2e897c444a74e55f405ee22

    SHA256

    0fd1106af0b985ea7293672c9d0d900b2f32fb93645b6be04b3fc1e2521323be

    SHA512

    c6cc772ed60a6840f0a8caf89356bcc52997ae3979c471ccc9af0476a7fb2a7bc859b08389a55f43418e77d7d46fd2c95fc6fef8655940a5ab319170599b5570

  • C:\Users\Admin\AppData\Roaming\29F9.tmp.exe

    MD5

    451c01146bf6d0075d41ee9034f2059a

    SHA1

    54644c8488c37287e2e897c444a74e55f405ee22

    SHA256

    0fd1106af0b985ea7293672c9d0d900b2f32fb93645b6be04b3fc1e2521323be

    SHA512

    c6cc772ed60a6840f0a8caf89356bcc52997ae3979c471ccc9af0476a7fb2a7bc859b08389a55f43418e77d7d46fd2c95fc6fef8655940a5ab319170599b5570

  • C:\Users\Admin\AppData\Roaming\2E4D.tmp.exe

    MD5

    a7ea20176e5493c4c6f7e936a9632271

    SHA1

    84a6bab3d9062618fe5088aaa4fe1b859f11032e

    SHA256

    e0cf9dcb6bf346e6de3a21923eb15312502dd81b1e85ac0ee84b1947e0c589f0

    SHA512

    483fdc74539bbf3af0541230abd1c3cbace8bd8362a89d0b298688f7b5fb6fb43e7394d694f16ec2c935b87091195138047fee453db5f1f235255d600c116d35

  • C:\Users\Admin\AppData\Roaming\2E4D.tmp.exe

    MD5

    a7ea20176e5493c4c6f7e936a9632271

    SHA1

    84a6bab3d9062618fe5088aaa4fe1b859f11032e

    SHA256

    e0cf9dcb6bf346e6de3a21923eb15312502dd81b1e85ac0ee84b1947e0c589f0

    SHA512

    483fdc74539bbf3af0541230abd1c3cbace8bd8362a89d0b298688f7b5fb6fb43e7394d694f16ec2c935b87091195138047fee453db5f1f235255d600c116d35

  • \Users\Admin\AppData\LocalLow\nb98wqnehe8bw89hb\freebl3.dll

    MD5

    60acd24430204ad2dc7f148b8cfe9bdc

    SHA1

    989f377b9117d7cb21cbe92a4117f88f9c7693d9

    SHA256

    9876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97

    SHA512

    626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01

  • \Users\Admin\AppData\LocalLow\nb98wqnehe8bw89hb\freebl3.dll

    MD5

    60acd24430204ad2dc7f148b8cfe9bdc

    SHA1

    989f377b9117d7cb21cbe92a4117f88f9c7693d9

    SHA256

    9876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97

    SHA512

    626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01

  • \Users\Admin\AppData\LocalLow\nb98wqnehe8bw89hb\mozglue.dll

    MD5

    eae9273f8cdcf9321c6c37c244773139

    SHA1

    8378e2a2f3635574c106eea8419b5eb00b8489b0

    SHA256

    a0c6630d4012ae0311ff40f4f06911bcf1a23f7a4762ce219b8dffa012d188cc

    SHA512

    06e43e484a89cea9ba9b9519828d38e7c64b040f44cdaeb321cbda574e7551b11fea139ce3538f387a0a39a3d8c4cba7f4cf03e4a3c98db85f8121c2212a9097

  • \Users\Admin\AppData\LocalLow\nb98wqnehe8bw89hb\msvcp140.dll

    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • \Users\Admin\AppData\LocalLow\nb98wqnehe8bw89hb\nss3.dll

    MD5

    02cc7b8ee30056d5912de54f1bdfc219

    SHA1

    a6923da95705fb81e368ae48f93d28522ef552fb

    SHA256

    1989526553fd1e1e49b0fea8036822ca062d3d39c4cab4a37846173d0f1753d5

    SHA512

    0d5dfcf4fb19b27246fa799e339d67cd1b494427783f379267fb2d10d615ffb734711bab2c515062c078f990a44a36f2d15859b1dacd4143dcc35b5c0cee0ef5

  • \Users\Admin\AppData\LocalLow\nb98wqnehe8bw89hb\softokn3.dll

    MD5

    4e8df049f3459fa94ab6ad387f3561ac

    SHA1

    06ed392bc29ad9d5fc05ee254c2625fd65925114

    SHA256

    25a4dae37120426ab060ebb39b7030b3e7c1093cc34b0877f223b6843b651871

    SHA512

    3dd4a86f83465989b2b30c240a7307edd1b92d5c1d5c57d47eff287dc9daa7bace157017908d82e00be90f08ff5badb68019ffc9d881440229dcea5038f61cd6

  • \Users\Admin\AppData\LocalLow\nb98wqnehe8bw89hb\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\Roaming\265F.tmp.exe

    MD5

    8136f3858716a51ea30bdc0e3494ede4

    SHA1

    94af873f93855e04349d75e11318e2fe0c1545d4

    SHA256

    3655e959a10cd3469622c03016704389127c655113a01bb46302498418184a10

    SHA512

    c3e18d620ba8a99dbf4b7efe5114d67f458d533a67ec41f65017fb4622dbc530c588e6012216c72f8b4b7ef8b0e9135950efa6d76066cdc6dea6bb9bf484e952

  • \Users\Admin\AppData\Roaming\29F9.tmp.exe

    MD5

    451c01146bf6d0075d41ee9034f2059a

    SHA1

    54644c8488c37287e2e897c444a74e55f405ee22

    SHA256

    0fd1106af0b985ea7293672c9d0d900b2f32fb93645b6be04b3fc1e2521323be

    SHA512

    c6cc772ed60a6840f0a8caf89356bcc52997ae3979c471ccc9af0476a7fb2a7bc859b08389a55f43418e77d7d46fd2c95fc6fef8655940a5ab319170599b5570

  • \Users\Admin\AppData\Roaming\29F9.tmp.exe

    MD5

    451c01146bf6d0075d41ee9034f2059a

    SHA1

    54644c8488c37287e2e897c444a74e55f405ee22

    SHA256

    0fd1106af0b985ea7293672c9d0d900b2f32fb93645b6be04b3fc1e2521323be

    SHA512

    c6cc772ed60a6840f0a8caf89356bcc52997ae3979c471ccc9af0476a7fb2a7bc859b08389a55f43418e77d7d46fd2c95fc6fef8655940a5ab319170599b5570

  • \Users\Admin\AppData\Roaming\2E4D.tmp.exe

    MD5

    a7ea20176e5493c4c6f7e936a9632271

    SHA1

    84a6bab3d9062618fe5088aaa4fe1b859f11032e

    SHA256

    e0cf9dcb6bf346e6de3a21923eb15312502dd81b1e85ac0ee84b1947e0c589f0

    SHA512

    483fdc74539bbf3af0541230abd1c3cbace8bd8362a89d0b298688f7b5fb6fb43e7394d694f16ec2c935b87091195138047fee453db5f1f235255d600c116d35

  • memory/576-28-0x0000000000000000-mapping.dmp

  • memory/652-7-0x0000000074040000-0x000000007472E000-memory.dmp

    Filesize

    6.9MB

  • memory/652-8-0x0000000000DB0000-0x0000000000DB1000-memory.dmp

    Filesize

    4KB

  • memory/652-4-0x0000000000000000-mapping.dmp

  • memory/660-24-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/660-23-0x0000000000401480-mapping.dmp

  • memory/660-22-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/748-33-0x0000000002130000-0x0000000002141000-memory.dmp

    Filesize

    68KB

  • memory/748-31-0x000000000040CD2F-mapping.dmp

  • memory/748-32-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/748-30-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/748-34-0x0000000074040000-0x000000007472E000-memory.dmp

    Filesize

    6.9MB

  • memory/748-35-0x0000000000380000-0x00000000003A4000-memory.dmp

    Filesize

    144KB

  • memory/748-36-0x00000000003D0000-0x00000000003F2000-memory.dmp

    Filesize

    136KB

  • memory/1072-26-0x0000000000000000-mapping.dmp

  • memory/1100-2-0x000007FEF6680000-0x000007FEF68FA000-memory.dmp

    Filesize

    2.5MB

  • memory/1108-48-0x0000000000400000-0x0000000000449000-memory.dmp

    Filesize

    292KB

  • memory/1108-49-0x0000000000401480-mapping.dmp

  • memory/1108-50-0x0000000000400000-0x0000000000449000-memory.dmp

    Filesize

    292KB

  • memory/1368-14-0x00000000049C0000-0x00000000049D1000-memory.dmp

    Filesize

    68KB

  • memory/1368-12-0x0000000000000000-mapping.dmp

  • memory/1472-20-0x0000000001140000-0x0000000001141000-memory.dmp

    Filesize

    4KB

  • memory/1472-47-0x0000000000740000-0x000000000074A000-memory.dmp

    Filesize

    40KB

  • memory/1472-16-0x0000000000000000-mapping.dmp

  • memory/1472-19-0x0000000074040000-0x000000007472E000-memory.dmp

    Filesize

    6.9MB

  • memory/1472-27-0x0000000000490000-0x00000000004AF000-memory.dmp

    Filesize

    124KB

  • memory/1472-25-0x0000000000470000-0x0000000000487000-memory.dmp

    Filesize

    92KB

  • memory/1620-45-0x0000000000000000-mapping.dmp

  • memory/1648-44-0x0000000000000000-mapping.dmp