Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • 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

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 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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.

  • 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 6 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 registry class 2 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of WriteProcessMemory 15 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:2116
  • C:\Users\Admin\AppData\Local\Temp\2FCB.exe
    C:\Users\Admin\AppData\Local\Temp\2FCB.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3956
  • C:\Users\Admin\AppData\Roaming\dwcddfe
    C:\Users\Admin\AppData\Roaming\dwcddfe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:2240
  • C:\Users\Admin\AppData\Local\Temp\68DE.exe
    C:\Users\Admin\AppData\Local\Temp\68DE.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:912
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im 68DE.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\68DE.exe" & del C:\ProgramData\*.dll & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3548
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im 68DE.exe /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1772
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 6
        3⤵
        • Delays execution with timeout.exe
        PID:3840

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
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\2FCB.exe
    MD5

    f1b89ae174c7ab5fcf017bf095217230

    SHA1

    28927138cf621fabe4c44536741f7b7d52f5903a

    SHA256

    019512dc59517b408864b5fe35bad5b3c026a142cc6981fb9472aa5447e5d110

    SHA512

    7a616bc1c0b0325ab2f65514b1f928620a44c978bc5b25b00ffe521f3d7580ea126645ce6b3d5c81b49ad324da8ef2598d71f742aba05cee031890537423c9f0

  • C:\Users\Admin\AppData\Local\Temp\2FCB.exe
    MD5

    f1b89ae174c7ab5fcf017bf095217230

    SHA1

    28927138cf621fabe4c44536741f7b7d52f5903a

    SHA256

    019512dc59517b408864b5fe35bad5b3c026a142cc6981fb9472aa5447e5d110

    SHA512

    7a616bc1c0b0325ab2f65514b1f928620a44c978bc5b25b00ffe521f3d7580ea126645ce6b3d5c81b49ad324da8ef2598d71f742aba05cee031890537423c9f0

  • C:\Users\Admin\AppData\Local\Temp\68DE.exe
    MD5

    682c644326167c253b50d2fcbf24b7fc

    SHA1

    ae809a29b5d0909f4daab6910f335ed7361c45c3

    SHA256

    50df8bab92dde00cb1692a804ea9e71f9827b7cf50f12ab0b0d33414dbd70bfe

    SHA512

    9892860efb2408159c2aeebe2a9ad4ad0c407c87dc616641a63b9b224cd7a9ccbe34e29fdbc964364f27946ea48e0e1bdec2bf7fc8ad8bfff67d1efcec76c1b7

  • C:\Users\Admin\AppData\Local\Temp\68DE.exe
    MD5

    682c644326167c253b50d2fcbf24b7fc

    SHA1

    ae809a29b5d0909f4daab6910f335ed7361c45c3

    SHA256

    50df8bab92dde00cb1692a804ea9e71f9827b7cf50f12ab0b0d33414dbd70bfe

    SHA512

    9892860efb2408159c2aeebe2a9ad4ad0c407c87dc616641a63b9b224cd7a9ccbe34e29fdbc964364f27946ea48e0e1bdec2bf7fc8ad8bfff67d1efcec76c1b7

  • C:\Users\Admin\AppData\Roaming\dwcddfe
    MD5

    ea64ad7325fc2da9bfcfa2b982c4813e

    SHA1

    2ed5679b5720addcb4283f5c487c49c8ce667ebc

    SHA256

    374bba8bdba85792f9ba272a9635ddc97c67a870a3bf2177e35ec10d545ed4c9

    SHA512

    0a10d8a9560ae574e10f8972ff3ec29d7df3acf6067a6200a7d293f347d67374e953fba980257b90abd964a52fb2726c53d15a02aa1750febd27db06982fc7ef

  • C:\Users\Admin\AppData\Roaming\dwcddfe
    MD5

    ea64ad7325fc2da9bfcfa2b982c4813e

    SHA1

    2ed5679b5720addcb4283f5c487c49c8ce667ebc

    SHA256

    374bba8bdba85792f9ba272a9635ddc97c67a870a3bf2177e35ec10d545ed4c9

    SHA512

    0a10d8a9560ae574e10f8972ff3ec29d7df3acf6067a6200a7d293f347d67374e953fba980257b90abd964a52fb2726c53d15a02aa1750febd27db06982fc7ef

  • \ProgramData\mozglue.dll
    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • \ProgramData\nss3.dll
    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • memory/912-149-0x0000000000400000-0x0000000002C00000-memory.dmp
    Filesize

    40.0MB

  • memory/912-148-0x0000000003060000-0x0000000003134000-memory.dmp
    Filesize

    848KB

  • memory/912-145-0x0000000000000000-mapping.dmp
  • memory/1772-154-0x0000000000000000-mapping.dmp
  • memory/2116-116-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/2116-115-0x0000000000030000-0x0000000000039000-memory.dmp
    Filesize

    36KB

  • memory/2240-143-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/3040-150-0x0000000000E20000-0x0000000000E35000-memory.dmp
    Filesize

    84KB

  • memory/3040-117-0x0000000000D30000-0x0000000000D45000-memory.dmp
    Filesize

    84KB

  • memory/3548-153-0x0000000000000000-mapping.dmp
  • memory/3840-155-0x0000000000000000-mapping.dmp
  • memory/3956-126-0x0000000007143000-0x0000000007144000-memory.dmp
    Filesize

    4KB

  • memory/3956-141-0x0000000009D10000-0x0000000009D11000-memory.dmp
    Filesize

    4KB

  • memory/3956-142-0x0000000009CD0000-0x0000000009CD1000-memory.dmp
    Filesize

    4KB

  • memory/3956-140-0x0000000009C10000-0x0000000009C11000-memory.dmp
    Filesize

    4KB

  • memory/3956-144-0x0000000008510000-0x0000000008511000-memory.dmp
    Filesize

    4KB

  • memory/3956-139-0x0000000009890000-0x0000000009891000-memory.dmp
    Filesize

    4KB

  • memory/3956-138-0x0000000009270000-0x0000000009271000-memory.dmp
    Filesize

    4KB

  • memory/3956-137-0x00000000090A0000-0x00000000090A1000-memory.dmp
    Filesize

    4KB

  • memory/3956-134-0x0000000007E80000-0x0000000007E81000-memory.dmp
    Filesize

    4KB

  • memory/3956-133-0x0000000007144000-0x0000000007146000-memory.dmp
    Filesize

    8KB

  • memory/3956-132-0x0000000007E00000-0x0000000007E01000-memory.dmp
    Filesize

    4KB

  • memory/3956-131-0x0000000007CF0000-0x0000000007CF1000-memory.dmp
    Filesize

    4KB

  • memory/3956-130-0x0000000007CC0000-0x0000000007CC1000-memory.dmp
    Filesize

    4KB

  • memory/3956-129-0x0000000007650000-0x0000000007651000-memory.dmp
    Filesize

    4KB

  • memory/3956-128-0x00000000070F0000-0x000000000710F000-memory.dmp
    Filesize

    124KB

  • memory/3956-127-0x0000000007150000-0x0000000007151000-memory.dmp
    Filesize

    4KB

  • memory/3956-125-0x0000000007142000-0x0000000007143000-memory.dmp
    Filesize

    4KB

  • memory/3956-124-0x0000000007140000-0x0000000007141000-memory.dmp
    Filesize

    4KB

  • memory/3956-122-0x0000000002D00000-0x0000000002D32000-memory.dmp
    Filesize

    200KB

  • memory/3956-123-0x0000000000400000-0x0000000002BA8000-memory.dmp
    Filesize

    39.7MB

  • memory/3956-121-0x00000000049F0000-0x0000000004A11000-memory.dmp
    Filesize

    132KB

  • memory/3956-118-0x0000000000000000-mapping.dmp