Analysis

  • max time kernel
    151s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    22-09-2021 06:09

General

  • Target

    ea64ad7325fc2da9bfcfa2b982c4813e.exe

  • Size

    270KB

  • MD5

    ea64ad7325fc2da9bfcfa2b982c4813e

  • SHA1

    2ed5679b5720addcb4283f5c487c49c8ce667ebc

  • SHA256

    374bba8bdba85792f9ba272a9635ddc97c67a870a3bf2177e35ec10d545ed4c9

  • SHA512

    0a10d8a9560ae574e10f8972ff3ec29d7df3acf6067a6200a7d293f347d67374e953fba980257b90abd964a52fb2726c53d15a02aa1750febd27db06982fc7ef

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://varmisende.com/upload/

http://fernandomayol.com/upload/

http://nextlytm.com/upload/

http://people4jan.com/upload/

http://asfaltwerk.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

SewPalpadin

C2

185.215.113.29:18087

Extracted

Family

redline

Botnet

paladin

C2

188.124.36.242:25802

Extracted

Family

vidar

Version

40.9

Botnet

828

C2

https://stacenko668.tumblr.com/

Attributes
  • profile_id

    828

Signatures

  • RedLine

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

  • RedLine Payload 4 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Vidar Stealer 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Deletes itself 1 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 2FA software files, possible credential harvesting 2 TTPs
  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 2 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ea64ad7325fc2da9bfcfa2b982c4813e.exe
    "C:\Users\Admin\AppData\Local\Temp\ea64ad7325fc2da9bfcfa2b982c4813e.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1860
  • C:\Users\Admin\AppData\Local\Temp\7DB7.exe
    C:\Users\Admin\AppData\Local\Temp\7DB7.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1280
  • C:\Users\Admin\AppData\Local\Temp\AFA0.exe
    C:\Users\Admin\AppData\Local\Temp\AFA0.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:1224
  • C:\Users\Admin\AppData\Local\Temp\DB72.exe
    C:\Users\Admin\AppData\Local\Temp\DB72.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:872
  • C:\Users\Admin\AppData\Local\Temp\12D7.exe
    C:\Users\Admin\AppData\Local\Temp\12D7.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1000
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im 12D7.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\12D7.exe" & del C:\ProgramData\*.dll & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:240
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im 12D7.exe /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:304
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 6
        3⤵
        • Delays execution with timeout.exe
        PID:1376

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\freebl3.dll
    MD5

    ef2834ac4ee7d6724f255beaf527e635

    SHA1

    5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

    SHA256

    a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

    SHA512

    c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

  • C:\ProgramData\mozglue.dll
    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • C:\ProgramData\msvcp140.dll
    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • C:\ProgramData\nss3.dll
    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • C:\ProgramData\softokn3.dll
    MD5

    a2ee53de9167bf0d6c019303b7ca84e5

    SHA1

    2a3c737fa1157e8483815e98b666408a18c0db42

    SHA256

    43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

    SHA512

    45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

  • C:\ProgramData\vcruntime140.dll
    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • C:\Users\Admin\AppData\Local\Temp\12D7.exe
    MD5

    682c644326167c253b50d2fcbf24b7fc

    SHA1

    ae809a29b5d0909f4daab6910f335ed7361c45c3

    SHA256

    50df8bab92dde00cb1692a804ea9e71f9827b7cf50f12ab0b0d33414dbd70bfe

    SHA512

    9892860efb2408159c2aeebe2a9ad4ad0c407c87dc616641a63b9b224cd7a9ccbe34e29fdbc964364f27946ea48e0e1bdec2bf7fc8ad8bfff67d1efcec76c1b7

  • C:\Users\Admin\AppData\Local\Temp\12D7.exe
    MD5

    682c644326167c253b50d2fcbf24b7fc

    SHA1

    ae809a29b5d0909f4daab6910f335ed7361c45c3

    SHA256

    50df8bab92dde00cb1692a804ea9e71f9827b7cf50f12ab0b0d33414dbd70bfe

    SHA512

    9892860efb2408159c2aeebe2a9ad4ad0c407c87dc616641a63b9b224cd7a9ccbe34e29fdbc964364f27946ea48e0e1bdec2bf7fc8ad8bfff67d1efcec76c1b7

  • C:\Users\Admin\AppData\Local\Temp\7DB7.exe
    MD5

    cc53501971f22485727547407d93d2f5

    SHA1

    c47aebe2204d0483a9cb7718fdf6740e69af0672

    SHA256

    84dc0262036180ab74a42fa0a9b299ce3c9ba7c1db3292cdfd814759c1c00a1d

    SHA512

    43dd9e6ab2fc8268926141e7436e45111da2bcdc8170125c64a7772f1ac8f609429a21eac51262052ede4dc74cb74fda0c9ef45f05eaf53304e1dd31c90e9021

  • C:\Users\Admin\AppData\Local\Temp\AFA0.exe
    MD5

    3c4bb0d8ea06d2b95ee937a82a860d69

    SHA1

    cb142b0ee28a2243c191b8d3a41cf8115dc8f6be

    SHA256

    5368d720c17234fa4aac42b20464b7d0a0fb02436a67dd65d088f3488ece563f

    SHA512

    3fba141e6dfcd2c9536ab1e5a8d568a49ee9a8fed21c1c59aee5126d808e9590c6bd2f4bbb310ab7cc55ff77be6d95be23c4d7d1f332a8cb5f918fc2541644c6

  • C:\Users\Admin\AppData\Local\Temp\DB72.exe
    MD5

    f1b89ae174c7ab5fcf017bf095217230

    SHA1

    28927138cf621fabe4c44536741f7b7d52f5903a

    SHA256

    019512dc59517b408864b5fe35bad5b3c026a142cc6981fb9472aa5447e5d110

    SHA512

    7a616bc1c0b0325ab2f65514b1f928620a44c978bc5b25b00ffe521f3d7580ea126645ce6b3d5c81b49ad324da8ef2598d71f742aba05cee031890537423c9f0

  • \ProgramData\mozglue.dll
    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • \ProgramData\msvcp140.dll
    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • \ProgramData\nss3.dll
    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • \ProgramData\vcruntime140.dll
    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • memory/240-101-0x0000000000000000-mapping.dmp
  • memory/304-102-0x0000000000000000-mapping.dmp
  • memory/872-85-0x0000000002C90000-0x0000000002CAF000-memory.dmp
    Filesize

    124KB

  • memory/872-87-0x0000000000400000-0x0000000002BA8000-memory.dmp
    Filesize

    39.7MB

  • memory/872-82-0x0000000000000000-mapping.dmp
  • memory/872-86-0x0000000000220000-0x0000000000252000-memory.dmp
    Filesize

    200KB

  • memory/872-84-0x00000000047E0000-0x0000000004801000-memory.dmp
    Filesize

    132KB

  • memory/872-91-0x0000000004934000-0x0000000004936000-memory.dmp
    Filesize

    8KB

  • memory/872-89-0x0000000004932000-0x0000000004933000-memory.dmp
    Filesize

    4KB

  • memory/872-88-0x0000000004931000-0x0000000004932000-memory.dmp
    Filesize

    4KB

  • memory/872-90-0x0000000004933000-0x0000000004934000-memory.dmp
    Filesize

    4KB

  • memory/1000-96-0x0000000000400000-0x0000000002C00000-memory.dmp
    Filesize

    40.0MB

  • memory/1000-92-0x0000000000000000-mapping.dmp
  • memory/1000-95-0x0000000002C00000-0x0000000002CD4000-memory.dmp
    Filesize

    848KB

  • memory/1224-79-0x0000000001040000-0x0000000001041000-memory.dmp
    Filesize

    4KB

  • memory/1224-75-0x0000000000000000-mapping.dmp
  • memory/1224-81-0x0000000002B30000-0x0000000002B31000-memory.dmp
    Filesize

    4KB

  • memory/1228-64-0x00000000039F0000-0x0000000003A00000-memory.dmp
    Filesize

    64KB

  • memory/1228-63-0x00000000038C0000-0x00000000038D5000-memory.dmp
    Filesize

    84KB

  • memory/1280-70-0x0000000004850000-0x000000000486E000-memory.dmp
    Filesize

    120KB

  • memory/1280-72-0x00000000070A2000-0x00000000070A3000-memory.dmp
    Filesize

    4KB

  • memory/1280-71-0x00000000070A1000-0x00000000070A2000-memory.dmp
    Filesize

    4KB

  • memory/1280-69-0x0000000004830000-0x000000000484F000-memory.dmp
    Filesize

    124KB

  • memory/1280-68-0x0000000000400000-0x0000000002BA7000-memory.dmp
    Filesize

    39.7MB

  • memory/1280-67-0x00000000001B0000-0x00000000001E0000-memory.dmp
    Filesize

    192KB

  • memory/1280-65-0x0000000000000000-mapping.dmp
  • memory/1280-73-0x00000000070A3000-0x00000000070A4000-memory.dmp
    Filesize

    4KB

  • memory/1280-74-0x00000000070A4000-0x00000000070A6000-memory.dmp
    Filesize

    8KB

  • memory/1376-103-0x0000000000000000-mapping.dmp
  • memory/1860-60-0x0000000075B31000-0x0000000075B33000-memory.dmp
    Filesize

    8KB

  • memory/1860-62-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1860-61-0x0000000000020000-0x0000000000029000-memory.dmp
    Filesize

    36KB