Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    07-01-2025 20:30

General

  • Target

    Sigmanly_bb6ed22605e38edeea643fc3ef43ced73ba96cc3740f8e1d4332932a36d45a41.exe

  • Size

    6.8MB

  • MD5

    ec19fa1027fee164803cc127aef64199

  • SHA1

    8a1c7cd16c432a67eb9d71fe745d5ce5e4315dfd

  • SHA256

    bb6ed22605e38edeea643fc3ef43ced73ba96cc3740f8e1d4332932a36d45a41

  • SHA512

    3f11ccce6a0b870e8596e24d2b91d492c8a7d6b6e8d5a0d868a0db90d03a76f0d1c91907bfe98e95d2542deceb39c66a5ce69114d980d61e5bcff4ec1a5c4a78

  • SSDEEP

    98304:47RIWaDhDFxHWAW8+xfbZV1IucY8j8NHM3lngV++ZKHWywyfQmZ:4FItx3WhxFVgY88HM3NgV++Z2WuI+

Malware Config

Extracted

Family

lumma

C2

https://hummskitnj.buzz/api

https://cashfuzysao.buzz/api

https://appliacnesot.buzz/api

https://screwamusresz.buzz/api

https://inherineau.buzz/api

https://scentniej.buzz/api

https://rebuildeso.buzz/api

https://prisonyfork.buzz/api

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 8 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Embeds OpenSSL 1 IoCs

    Embeds OpenSSL, may be used to circumvent TLS interception.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Sigmanly_bb6ed22605e38edeea643fc3ef43ced73ba96cc3740f8e1d4332932a36d45a41.exe
    "C:\Users\Admin\AppData\Local\Temp\Sigmanly_bb6ed22605e38edeea643fc3ef43ced73ba96cc3740f8e1d4332932a36d45a41.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Users\Admin\AppData\Local\Temp\PasoCattle.exe
      "C:\Users\Admin\AppData\Local\Temp\PasoCattle.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1784
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c move Symposium Symposium.cmd & Symposium.cmd
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1852
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2236
        • C:\Windows\SysWOW64\findstr.exe
          findstr /I "opssvc wrsa"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1800
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1104
        • C:\Windows\SysWOW64\findstr.exe
          findstr "AvastUI AVGUI bdservicehost nsWscSvc ekrn SophosHealth"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2500
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c md 768400
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2312
        • C:\Windows\SysWOW64\extrac32.exe
          extrac32 /Y /E Reflect
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2936
        • C:\Windows\SysWOW64\findstr.exe
          findstr /V "cocks" Articles
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2912
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c copy /b ..\Maternity + ..\Beaches + ..\Rat + ..\Promise + ..\Zone + ..\Enrolled V
          4⤵
          • System Location Discovery: System Language Discovery
          PID:760
        • C:\Users\Admin\AppData\Local\Temp\768400\Climb.com
          Climb.com V
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:1152
        • C:\Windows\SysWOW64\choice.exe
          choice /d y /t 5
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1608
    • C:\Users\Admin\AppData\Local\Temp\Set-up.exe
      "C:\Users\Admin\AppData\Local\Temp\Set-up.exe"
      2⤵
      • Enumerates VirtualBox registry keys
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2632
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2632 -s 464
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:3000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\768400\V

    Filesize

    449KB

    MD5

    f9d71e9e58748beea3554073dcd205c8

    SHA1

    0f059e563f46355bca0866b3d7d0993da4991c18

    SHA256

    45206c86b0ae3eb38240dd076201be60b4983bbd0209caa20516a9e6595c8bba

    SHA512

    bbc015d43f281af0d1cc75c3e41e13e09e5d24e9f23db9ff5b6012e5d8978fd9c6c5c4a08b6262909660c606014bb375dce1c4c909ca4b2d2cca39722ebaf1a0

  • C:\Users\Admin\AppData\Local\Temp\Alt

    Filesize

    102KB

    MD5

    be1780e619fc600c90159e321a7bcbb9

    SHA1

    c710d9b6e5843ad64355c032d4835707b245170e

    SHA256

    dba6c4b6beb02f24a6b4f3c7892605a06a8d99d5f65366c021b1337f1d192852

    SHA512

    f0bb5eb234dd25fbb7d7107839cbc9e72cbd1e269ca5f4445e245cbac4cd8e6dd8966bb4db08c0b0c88ab22e4a78e46cc3323e201e31e15e0e6e9d82c416d0ed

  • C:\Users\Admin\AppData\Local\Temp\Articles

    Filesize

    268B

    MD5

    41b7cdb6e286ee0e44962c8987b91d3c

    SHA1

    e57e0b12abc823cb91d3acfa32ad63230405057d

    SHA256

    43f8e40249ec2fc185fdc323451fb72384ec9ff5910bd927c89ce8c41cacb58b

    SHA512

    b4423fd2c9d40d3715f93c6e130af4b81caa0b3bb3d23af542d7043e6b91cab1ccdddbd2ece8656736e4a3c594bad99436432f4bd2ea2ea133ff381dcb8248ca

  • C:\Users\Admin\AppData\Local\Temp\Attractions

    Filesize

    138KB

    MD5

    2ed9ffba1fea63ad6d178aea296ed891

    SHA1

    e0d1bb0af918f8ddee3fb3d593caf0fc52c77709

    SHA256

    21b6e909f647cc2b1adb6945aceda0ee2cb3df2c91641d7609ffab2db6a40fa1

    SHA512

    52524ad966a8d72bb53ecba0ac5ee5dc0db6be0569cc0e7e0c2d03b5266465c5162ad1048ad1b827e3bdcf985d0932e19336c2d5179bcd7e655e87babb421055

  • C:\Users\Admin\AppData\Local\Temp\Beaches

    Filesize

    61KB

    MD5

    50cb864f887f934b80cc62a6bb08d611

    SHA1

    c23f38262d04019cf198d4499dd95945fe078ec4

    SHA256

    b2f79588b9ec05a7520f42382ea47f596aeb82a83aa4bf3426db5aa64abf877a

    SHA512

    9f68238a297f61c48380ce6867afb929a231ab88ca836e00400b182f3cf5eed99e69b38a60cbfa578ffbf50d5c3326a6e8ecefdf719fa8fbb99f1fc4c799e283

  • C:\Users\Admin\AppData\Local\Temp\CabF421.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Cooked

    Filesize

    58KB

    MD5

    a5ca22529355b052cbccb045ec8172a1

    SHA1

    12f5d5871b07a1eabb9b57753432fc59680830d2

    SHA256

    e434c2a8351e6517f35ffa6d38542390ad0a905bc23fac64e7d61680ae7ceb67

    SHA512

    af9d158f1590fb96c1fb7dd1635fe9d1d7528fc3349068363f169907411ee488e2bf6ac03ce851189dbf24fded3504a574fff51b5ce6d41e06d8ab9360fc099e

  • C:\Users\Admin\AppData\Local\Temp\Enrolled

    Filesize

    82KB

    MD5

    b0830e2ce03d5bc821d5136f5d8b4d5e

    SHA1

    99840a43c60501c4f1f0151ee11798c7fa395591

    SHA256

    d5916524e70c85211005e2e7851e8250bf46add8c28fd501db4bcfbe9ee1adee

    SHA512

    58f230b27771da357658231e2e7445e7d13239cdb0d10d4cd5fa81267df6ea4883c23139ce41f4892e64b6ee3cd67176c52375e9710823133b7ce20d0eb62934

  • C:\Users\Admin\AppData\Local\Temp\Fingers

    Filesize

    116KB

    MD5

    7d6337c50fa5eb0681d5b094e58e3541

    SHA1

    bd1a7a54d4f4382aaca1ffaf4a690799ca6081f7

    SHA256

    791c72aeb0caf7fc14f0420f053c0698d27d68265810762470307ea489568780

    SHA512

    a24f3eadc814c87f2d592f64467cc0894347ade35924507e81719104c0b9f293a76a51d92b5329cb57574b6ee65c71ed1bbe30d61be041e1ae522adde617912f

  • C:\Users\Admin\AppData\Local\Temp\Maternity

    Filesize

    58KB

    MD5

    bf1a63801fce643d91670984e50aa26c

    SHA1

    96cc6e514ed73b0f0816884e6019f3f3c31f6a80

    SHA256

    96e885d5f09d9b01bbbb20c5da4005e84683f65ee061eb2d22f41da96a1a48a0

    SHA512

    d741447e64e376442a4fbee480a94c494219292bb70df6a346c5244c12f647bdc074f13f53a0fc32202c1d8d6a37c7baa9cc0e750020492b99781d9ceee3f943

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

    Filesize

    1.0MB

    MD5

    a3e9a86d6ede94c3c71d1f7eea537766

    SHA1

    ddfbf23cba3adc0bcad33162d1bdbee8ccd12294

    SHA256

    a7b3b6ca09e92530ef0bd156b0c2c0213e957129bfb83b8a99d2387932bb2ca5

    SHA512

    af6391847ff626ff88ff0583adde9536eff25026acbc0d0165ce27286a8f145cbb0b5059a294d7a14cb497c60b96e9a5de88d41a3ee6a339fdb554de51790f0c

  • C:\Users\Admin\AppData\Local\Temp\Pot

    Filesize

    130KB

    MD5

    998b4b6feee76beb9ca721dcd2b8a4e0

    SHA1

    6556ca455b7f7b3b36f5a703746b17d2d662f82b

    SHA256

    a3718216e2d86886d768fde1fe869b9f84fa96309adc8d83caf1f17b939f76bf

    SHA512

    a8e92a0cf4ca465313bfe27d860f956f3777b3202a8b1fdfb03db4aaad567f3546c525f40d85414d04806d964b650637846fd1f7cca6736b8c8e327b342c3617

  • C:\Users\Admin\AppData\Local\Temp\Promise

    Filesize

    72KB

    MD5

    832042466014761981cdaf193f0e7041

    SHA1

    301225cde7e7de3a10e98d7c9de191d85aac0099

    SHA256

    ff5e35ac52ea87ec94d3847112d9f3083b3bf252fa74c76d453ee118ba1a2be8

    SHA512

    2a49ecd5de8702a71267463b8cd130f1aa91d1e3f8d9eb866b8c58c8fc46374f98aecdcdcd071d207f734a61d082aaa56170152eeda3c0e445c0a5ccd6a50260

  • C:\Users\Admin\AppData\Local\Temp\Rat

    Filesize

    98KB

    MD5

    cd00c53f92fbed3c8947b7205a4247ed

    SHA1

    87d5486b7efd98dcc92b4393d20d39d12cb6487e

    SHA256

    edd50131da69ea2747d0bca3ecd4293778beb5491fbf02bf6d4ada4b2e9f01c1

    SHA512

    d1c7aad1e7f376c7622031d36a3c1f2452b693e5fa976b35cfc22045180388b55218fa8c2b0270c2f66c996b805112c6d82f312642809d9051f350ae1220a85e

  • C:\Users\Admin\AppData\Local\Temp\Receiver

    Filesize

    86KB

    MD5

    7a1d29a789b8f5ca0f4186aa1dbc3bc2

    SHA1

    a9a3169ff90fa2bffb8d96f95ffdb3a70386b476

    SHA256

    a513073a8c2e7f41cf78374498c2d980cd8da473246af5475c53c1d7fa7ba0de

    SHA512

    ad90d9521f68affda3ad4cca4ecf1a72c3cfcb465f3d60fb8bcb02ffacd3abd9f1dbf03c022f13fc68da74080355ce36c0b13d4e511e0857af60c30b2032d3a0

  • C:\Users\Admin\AppData\Local\Temp\Reflect

    Filesize

    477KB

    MD5

    97942c5c8dff98863efc71fc15ce0257

    SHA1

    14d6ba8e5c3b7be1be540ca7ecaa075d5c505e3b

    SHA256

    b4a2cbeaa8185681ed75bdf2c34020ccaa9405a42a47c4c3d17ec6e907fd9152

    SHA512

    7d1fabb306d3cd38985ce6472df17973aee7f4d56902d48a1cf690bbaf8d5ba71d83dd79136fca635ab51813fc3978e9871decad0e07d46bee5a998e5cb77d6f

  • C:\Users\Admin\AppData\Local\Temp\Specialty

    Filesize

    149KB

    MD5

    d49f624ea007e69afe1163955ddba1bb

    SHA1

    ee35a9ceab1f6a40694b26094fdc7727658293d2

    SHA256

    4052653cedfd2f560da3bee9825f88f60dbd053abb3c064f3d19d98863b2962c

    SHA512

    63b1629e79c35e59923d4a1c12b93feb45241eb0d2b59a03b9eb14bf76daa82ba124710e8f4aa157d0c63badfdcffd916f049b85de4b52caa143f0dd32ad71e8

  • C:\Users\Admin\AppData\Local\Temp\Symposium

    Filesize

    24KB

    MD5

    23812a6e32e38911133b221f39f9a20b

    SHA1

    5b3b155889ab3a04abdd1f195753e817ed3fdb23

    SHA256

    d4913eaf90d499344de0a1b21b97392dc09b3c3a7c503e544efdd12cd4c289cf

    SHA512

    02f1bb5d6016076451b84c84cf8fd09fc62bd33edbae6a4eff0be94df56652b14e321c9d098b19a52cdd9703507ebfc2a54b4812a96cd1f90f810ebc3a3d3f58

  • C:\Users\Admin\AppData\Local\Temp\TarF472.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\User

    Filesize

    145KB

    MD5

    a1e25e38ad59f032b7717cc6e5e00609

    SHA1

    f7e7d770656e25f73be807ac53f49776810099d5

    SHA256

    a39c8cc684fc60938c2f6cf62640f4b67f8c29a1ee75d172735b8384f8d79e8a

    SHA512

    4ddcf310a6fb0e21717a14ebd47c78043b792837f21bd13392b06d08c9d4cb974407218ecfac94d03e23deffe2b6b613fb408efb1a621913af4d97a2424d4aea

  • C:\Users\Admin\AppData\Local\Temp\Zone

    Filesize

    78KB

    MD5

    6ecd89b15dfaee100b13f894c76f9cee

    SHA1

    cff0d1262cad22201d25b331afd9eb882865767f

    SHA256

    73d440f3c827b1b041209b7c9f2fd26d3bd6a5cda3713b86ba965bf45aa46325

    SHA512

    6452a2a3de1ec01dda09adf53c92a63c6ac830b3dc61cf305c08baf5bd8feb14ee67bd1b2bf7b8b61a46e8d3e9b23fb4097cb4565092840f6811084c98cebc74

  • \Users\Admin\AppData\Local\Temp\768400\Climb.com

    Filesize

    925KB

    MD5

    62d09f076e6e0240548c2f837536a46a

    SHA1

    26bdbc63af8abae9a8fb6ec0913a307ef6614cf2

    SHA256

    1300262a9d6bb6fcbefc0d299cce194435790e70b9c7b4a651e202e90a32fd49

    SHA512

    32de0d8bb57f3d3eb01d16950b07176866c7fb2e737d9811f61f7be6606a6a38a5fc5d4d2ae54a190636409b2a7943abca292d6cefaa89df1fc474a1312c695f

  • \Users\Admin\AppData\Local\Temp\Set-up.exe

    Filesize

    6.5MB

    MD5

    2a99036c44c996cedeb2042d389fe23c

    SHA1

    4f1e624bcc030e44722de26b72c8156bf57e14e8

    SHA256

    73aa5ee19f0ea048dcff2f44d6fd5ac41c13e2d7e61371459e756836f72cad43

    SHA512

    6907cd0e47293c8c96345ed00f2f3fa2241ce1671ee73a599837857bfb39f6c7e373aad843cc78fb550d2db10bdfe066a021cec4c8a49aecdf06a7e71edadedd

  • memory/1152-87-0x0000000003BB0000-0x0000000003C05000-memory.dmp

    Filesize

    340KB

  • memory/1152-88-0x0000000003BB0000-0x0000000003C05000-memory.dmp

    Filesize

    340KB

  • memory/1152-86-0x0000000003BB0000-0x0000000003C05000-memory.dmp

    Filesize

    340KB

  • memory/1152-90-0x0000000003BB0000-0x0000000003C05000-memory.dmp

    Filesize

    340KB

  • memory/1152-89-0x0000000003BB0000-0x0000000003C05000-memory.dmp

    Filesize

    340KB

  • memory/2632-84-0x0000000000110000-0x00000000007A0000-memory.dmp

    Filesize

    6.6MB

  • memory/2632-92-0x0000000000110000-0x00000000007A0000-memory.dmp

    Filesize

    6.6MB

  • memory/2632-129-0x0000000000110000-0x00000000007A0000-memory.dmp

    Filesize

    6.6MB

  • memory/2632-135-0x0000000000110000-0x00000000007A0000-memory.dmp

    Filesize

    6.6MB

  • memory/2748-29-0x0000000000A20000-0x00000000015FE000-memory.dmp

    Filesize

    11.9MB

  • memory/2748-0-0x0000000000A20000-0x00000000015FE000-memory.dmp

    Filesize

    11.9MB

  • memory/2748-2-0x0000000000A20000-0x00000000015FE000-memory.dmp

    Filesize

    11.9MB

  • memory/2748-1-0x0000000000A20000-0x00000000015FE000-memory.dmp

    Filesize

    11.9MB