Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    10-12-2021 17:32

General

  • Target

    0AB9CD8D5F1DA2D03AB76DB5BE55DBBCB575EC0D8785D.exe

  • Size

    1.1MB

  • MD5

    0f584671295bd312cf31fa8e938fd8b9

  • SHA1

    9d4874a26c587c3501324702ac609325c1b7087c

  • SHA256

    0ab9cd8d5f1da2d03ab76db5be55dbbcb575ec0d8785db3677366fab2eafd48e

  • SHA512

    6dc1192a9fe59533513637caea2335af047432598048f03ccd0478b3cf8ee73d214900fce0e18fb8508fb32a4412e73cd6ded3a9fda06ddb517a230c30adc734

Malware Config

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

5781468cedb3a203003fdf1f12e72fe98d6f1c0f

Attributes
  • url4cnc

    http://194.180.174.53/brikitiki

    http://91.219.236.18/brikitiki

    http://194.180.174.41/brikitiki

    http://91.219.236.148/brikitiki

    https://t.me/brikitiki

rc4.plain
rc4.plain

Extracted

Family

oski

C2

prepepe.ac.ug

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

  • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

  • suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M17

    suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M17

  • Downloads MZ/PE file
  • Executes dropped EXE 9 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 SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 1 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0AB9CD8D5F1DA2D03AB76DB5BE55DBBCB575EC0D8785D.exe
    "C:\Users\Admin\AppData\Local\Temp\0AB9CD8D5F1DA2D03AB76DB5BE55DBBCB575EC0D8785D.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Users\Admin\AppData\Local\Temp\cxvrame.exe
      "C:\Users\Admin\AppData\Local\Temp\cxvrame.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4040
      • C:\Users\Admin\AppData\Local\Temp\cxvrame.exe
        "C:\Users\Admin\AppData\Local\Temp\cxvrame.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3584
        • C:\Users\Admin\AppData\Local\Temp\Dropakxa.exe
          "C:\Users\Admin\AppData\Local\Temp\Dropakxa.exe" 0
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:392
          • C:\Users\Admin\AppData\Local\Temp\FFDvbcrdfqs.exe
            "C:\Users\Admin\AppData\Local\Temp\FFDvbcrdfqs.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:672
            • C:\Users\Admin\AppData\Local\Temp\FFDvbcrdfqs.exe
              "C:\Users\Admin\AppData\Local\Temp\FFDvbcrdfqs.exe"
              6⤵
              • Executes dropped EXE
              PID:1084
          • C:\Users\Admin\AppData\Local\Temp\Dcvxaamev.exe
            "C:\Users\Admin\AppData\Local\Temp\Dcvxaamev.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:740
            • C:\Users\Admin\AppData\Local\Temp\Dcvxaamev.exe
              "C:\Users\Admin\AppData\Local\Temp\Dcvxaamev.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious use of WriteProcessMemory
              PID:1320
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c taskkill /pid 1320 & erase C:\Users\Admin\AppData\Local\Temp\Dcvxaamev.exe & RD /S /Q C:\\ProgramData\\751807845163431\\* & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:3812
                • C:\Windows\SysWOW64\taskkill.exe
                  taskkill /pid 1320
                  8⤵
                  • Kills process with taskkill
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1276
          • C:\Users\Admin\AppData\Local\Temp\Dropakxa.exe
            "C:\Users\Admin\AppData\Local\Temp\Dropakxa.exe"
            5⤵
            • Executes dropped EXE
            PID:1500
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1500 -s 776
              6⤵
              • Suspicious use of NtCreateProcessExOtherParentProcess
              • Program crash
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1384
        • C:\Users\Admin\AppData\Local\Temp\DropaGkxa.exe
          "C:\Users\Admin\AppData\Local\Temp\DropaGkxa.exe" 0
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:900
    • C:\Users\Admin\AppData\Local\Temp\0AB9CD8D5F1DA2D03AB76DB5BE55DBBCB575EC0D8785D.exe
      "C:\Users\Admin\AppData\Local\Temp\0AB9CD8D5F1DA2D03AB76DB5BE55DBBCB575EC0D8785D.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:4028

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

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

    870d6e5aef6dea98ced388cce87bfbd4

    SHA1

    2d7eee096d38d3c2a8f12fcba0a44b4c4da33d54

    SHA256

    6d50833895b2e3eb9d6f879a6436660127c270b6a516cda0253e56a3d8b7fba0

    SHA512

    0d55ab28b2f80136af121b870b7503551d87bbeb2848cf9a32540006cac9a5e346d9fcce2bf1223a22927f72a147b81487533a10b91373d4fa4429d6159fd566

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

    870d6e5aef6dea98ced388cce87bfbd4

    SHA1

    2d7eee096d38d3c2a8f12fcba0a44b4c4da33d54

    SHA256

    6d50833895b2e3eb9d6f879a6436660127c270b6a516cda0253e56a3d8b7fba0

    SHA512

    0d55ab28b2f80136af121b870b7503551d87bbeb2848cf9a32540006cac9a5e346d9fcce2bf1223a22927f72a147b81487533a10b91373d4fa4429d6159fd566

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

    870d6e5aef6dea98ced388cce87bfbd4

    SHA1

    2d7eee096d38d3c2a8f12fcba0a44b4c4da33d54

    SHA256

    6d50833895b2e3eb9d6f879a6436660127c270b6a516cda0253e56a3d8b7fba0

    SHA512

    0d55ab28b2f80136af121b870b7503551d87bbeb2848cf9a32540006cac9a5e346d9fcce2bf1223a22927f72a147b81487533a10b91373d4fa4429d6159fd566

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

    8f1c8b40c7be588389a8d382040b23bb

    SHA1

    bef5209ae90a3bd3171e1e0be4e8148c4ccd8a6a

    SHA256

    ed58ffee46a583c177c792b56c9fc20ccd9509d125f2e3fc90c4f48de7e2c2a1

    SHA512

    9192b6f2f8320a728c445f9cd6e6d66495ad0ebebd7ff193dc09ee8ae57b3933c1b75dc208e7d638db273cb9d31b4ca24ee7bfd9729ff0cdbf432d72bb322b1f

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

    8f1c8b40c7be588389a8d382040b23bb

    SHA1

    bef5209ae90a3bd3171e1e0be4e8148c4ccd8a6a

    SHA256

    ed58ffee46a583c177c792b56c9fc20ccd9509d125f2e3fc90c4f48de7e2c2a1

    SHA512

    9192b6f2f8320a728c445f9cd6e6d66495ad0ebebd7ff193dc09ee8ae57b3933c1b75dc208e7d638db273cb9d31b4ca24ee7bfd9729ff0cdbf432d72bb322b1f

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

    8f1c8b40c7be588389a8d382040b23bb

    SHA1

    bef5209ae90a3bd3171e1e0be4e8148c4ccd8a6a

    SHA256

    ed58ffee46a583c177c792b56c9fc20ccd9509d125f2e3fc90c4f48de7e2c2a1

    SHA512

    9192b6f2f8320a728c445f9cd6e6d66495ad0ebebd7ff193dc09ee8ae57b3933c1b75dc208e7d638db273cb9d31b4ca24ee7bfd9729ff0cdbf432d72bb322b1f

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

    8f1c8b40c7be588389a8d382040b23bb

    SHA1

    bef5209ae90a3bd3171e1e0be4e8148c4ccd8a6a

    SHA256

    ed58ffee46a583c177c792b56c9fc20ccd9509d125f2e3fc90c4f48de7e2c2a1

    SHA512

    9192b6f2f8320a728c445f9cd6e6d66495ad0ebebd7ff193dc09ee8ae57b3933c1b75dc208e7d638db273cb9d31b4ca24ee7bfd9729ff0cdbf432d72bb322b1f

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

    8f1c8b40c7be588389a8d382040b23bb

    SHA1

    bef5209ae90a3bd3171e1e0be4e8148c4ccd8a6a

    SHA256

    ed58ffee46a583c177c792b56c9fc20ccd9509d125f2e3fc90c4f48de7e2c2a1

    SHA512

    9192b6f2f8320a728c445f9cd6e6d66495ad0ebebd7ff193dc09ee8ae57b3933c1b75dc208e7d638db273cb9d31b4ca24ee7bfd9729ff0cdbf432d72bb322b1f

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

    78d40b12ffc837843fbf4de2164002f6

    SHA1

    985bdffa69bb915831cd6b81783aef3ae4418f53

    SHA256

    308a15dabdc4ce6b96dd54954a351d304f1fcb59e8c93221ba1c412bcdfd1c44

    SHA512

    c6575e1771d37ded4089d963bea95deac78b329ed555c991d7c559ee1970dd0887a965e88c09981529adc9c25df5cfd3d57e3dce6724da1f01f1198f0f460b79

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

    78d40b12ffc837843fbf4de2164002f6

    SHA1

    985bdffa69bb915831cd6b81783aef3ae4418f53

    SHA256

    308a15dabdc4ce6b96dd54954a351d304f1fcb59e8c93221ba1c412bcdfd1c44

    SHA512

    c6575e1771d37ded4089d963bea95deac78b329ed555c991d7c559ee1970dd0887a965e88c09981529adc9c25df5cfd3d57e3dce6724da1f01f1198f0f460b79

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

    78d40b12ffc837843fbf4de2164002f6

    SHA1

    985bdffa69bb915831cd6b81783aef3ae4418f53

    SHA256

    308a15dabdc4ce6b96dd54954a351d304f1fcb59e8c93221ba1c412bcdfd1c44

    SHA512

    c6575e1771d37ded4089d963bea95deac78b329ed555c991d7c559ee1970dd0887a965e88c09981529adc9c25df5cfd3d57e3dce6724da1f01f1198f0f460b79

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

    1458dcb3ea4a20489e6e4f2d3ec45cdc

    SHA1

    21e0d10541055082ea3c64cba7a6d7842e1d6a0b

    SHA256

    9d4a0a8ffa11fc953750c07bd6997bcd23871fe277f65b4113e197b779aa24f0

    SHA512

    d4db71774a7d04eb0f687e86e838c6d5d666cf14faf72eed1864dcb70b6001c43cbf66fbecccccdfd087b81707cd8db0cec66e0f699358f9ee207e429c2603ee

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

    1458dcb3ea4a20489e6e4f2d3ec45cdc

    SHA1

    21e0d10541055082ea3c64cba7a6d7842e1d6a0b

    SHA256

    9d4a0a8ffa11fc953750c07bd6997bcd23871fe277f65b4113e197b779aa24f0

    SHA512

    d4db71774a7d04eb0f687e86e838c6d5d666cf14faf72eed1864dcb70b6001c43cbf66fbecccccdfd087b81707cd8db0cec66e0f699358f9ee207e429c2603ee

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

    1458dcb3ea4a20489e6e4f2d3ec45cdc

    SHA1

    21e0d10541055082ea3c64cba7a6d7842e1d6a0b

    SHA256

    9d4a0a8ffa11fc953750c07bd6997bcd23871fe277f65b4113e197b779aa24f0

    SHA512

    d4db71774a7d04eb0f687e86e838c6d5d666cf14faf72eed1864dcb70b6001c43cbf66fbecccccdfd087b81707cd8db0cec66e0f699358f9ee207e429c2603ee

  • \ProgramData\mozglue.dll
    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • \ProgramData\nss3.dll
    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • \ProgramData\sqlite3.dll
    MD5

    e477a96c8f2b18d6b5c27bde49c990bf

    SHA1

    e980c9bf41330d1e5bd04556db4646a0210f7409

    SHA256

    16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

    SHA512

    335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

  • memory/392-136-0x0000000000000000-mapping.dmp
  • memory/392-151-0x0000000000890000-0x0000000000891000-memory.dmp
    Filesize

    4KB

  • memory/672-152-0x0000000000680000-0x0000000000681000-memory.dmp
    Filesize

    4KB

  • memory/672-162-0x0000000001F80000-0x0000000001F87000-memory.dmp
    Filesize

    28KB

  • memory/672-141-0x0000000000000000-mapping.dmp
  • memory/740-153-0x00000000005B0000-0x00000000005B1000-memory.dmp
    Filesize

    4KB

  • memory/740-145-0x0000000000000000-mapping.dmp
  • memory/900-154-0x0000000000000000-mapping.dmp
  • memory/900-159-0x00000000006B0000-0x00000000006B1000-memory.dmp
    Filesize

    4KB

  • memory/1084-163-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1084-160-0x000000000041A684-mapping.dmp
  • memory/1084-166-0x0000000000430000-0x000000000057A000-memory.dmp
    Filesize

    1.3MB

  • memory/1276-176-0x0000000000000000-mapping.dmp
  • memory/1320-171-0x0000000000400000-0x0000000000434000-memory.dmp
    Filesize

    208KB

  • memory/1320-165-0x0000000000417A8B-mapping.dmp
  • memory/1500-170-0x0000000002090000-0x0000000002091000-memory.dmp
    Filesize

    4KB

  • memory/1500-169-0x0000000000400000-0x0000000000491000-memory.dmp
    Filesize

    580KB

  • memory/1500-164-0x000000000043F176-mapping.dmp
  • memory/2484-124-0x0000000002510000-0x0000000002518000-memory.dmp
    Filesize

    32KB

  • memory/2484-116-0x00000000001E0000-0x00000000001EA000-memory.dmp
    Filesize

    40KB

  • memory/2484-122-0x00000000007E0000-0x00000000007E1000-memory.dmp
    Filesize

    4KB

  • memory/2484-115-0x00000000001E0000-0x00000000001E6000-memory.dmp
    Filesize

    24KB

  • memory/3584-135-0x0000000000570000-0x0000000000571000-memory.dmp
    Filesize

    4KB

  • memory/3584-126-0x000000000040106C-mapping.dmp
  • memory/3584-129-0x0000000000590000-0x000000000059A000-memory.dmp
    Filesize

    40KB

  • memory/3584-134-0x0000000000400000-0x0000000000405000-memory.dmp
    Filesize

    20KB

  • memory/3584-128-0x0000000000590000-0x0000000000596000-memory.dmp
    Filesize

    24KB

  • memory/3812-175-0x0000000000000000-mapping.dmp
  • memory/4028-132-0x0000000000CD0000-0x0000000000CD1000-memory.dmp
    Filesize

    4KB

  • memory/4028-125-0x00000000005A7130-mapping.dmp
  • memory/4028-131-0x0000000000640000-0x0000000000641000-memory.dmp
    Filesize

    4KB

  • memory/4028-130-0x0000000000400000-0x00000000005B6000-memory.dmp
    Filesize

    1.7MB

  • memory/4040-123-0x0000000000590000-0x0000000000591000-memory.dmp
    Filesize

    4KB

  • memory/4040-117-0x0000000000000000-mapping.dmp
  • memory/4040-133-0x00000000005A0000-0x00000000005A7000-memory.dmp
    Filesize

    28KB