Analysis

  • max time kernel
    47s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2022 23:27

General

  • Target

    0549f986d407ef60f55524c3d27b2b72f16038fb0cc13c27aabdde2fb3b3f9e2.exe

  • Size

    4.0MB

  • MD5

    85b985e82b463d3f727afc8a8ff349a1

  • SHA1

    c5ae7b582de514e3b49104c1d4bac595500fe61c

  • SHA256

    0549f986d407ef60f55524c3d27b2b72f16038fb0cc13c27aabdde2fb3b3f9e2

  • SHA512

    dc8a69c8b5acc166bf8baededb81027202f313af07acbc3c102ef4268c76b50ec7b5d4defb1cb5ed78d081b0a84611fddb96046aaf2a9f6212d499eb6d885b0f

  • SSDEEP

    98304:tJgug67CrzpFObJV0ypLd6r+DxnSQpCtlbvV0TAYP/RIBaQFIlxW0M:fgQ72cE8tDxnDpEbvVwAe/GDOlrM

Malware Config

Extracted

Family

joker

C2

https://htuzi.oss-cn-shanghai.aliyuncs.com

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 4 IoCs
  • joker

    Joker is an Android malware that targets billing and SMS fraud.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0549f986d407ef60f55524c3d27b2b72f16038fb0cc13c27aabdde2fb3b3f9e2.exe
    "C:\Users\Admin\AppData\Local\Temp\0549f986d407ef60f55524c3d27b2b72f16038fb0cc13c27aabdde2fb3b3f9e2.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1552
    • C:\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.exe
      "C:\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.exe" -U:S "C:\Users\Admin\AppData\Local\Temp\0549f986d407ef60f55524c3d27b2b72f16038fb0cc13c27aabdde2fb3b3f9e2.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1716

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.exe

    Filesize

    247KB

    MD5

    5cae01aea8ed390ce9bec17b6c1237e4

    SHA1

    3a80a49efaac5d839400e4fb8f803243fb39a513

    SHA256

    19896a23d7b054625c2f6b1ee1551a0da68ad25cddbb24510a3b74578418e618

    SHA512

    c8e54c92133ba686238ea554c1cd82ba441db5fd4b0cbd5082d5eb4ddfcedd15506b9dac553459d0b2221c75778241f926ed3eef64571e4b1e0eb6f80ff9b481

  • C:\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.json

    Filesize

    211B

    MD5

    922322fab45a284dbb248760125dfb1c

    SHA1

    120e77b90baa85287b2ee5bc63ff7dcd149767b5

    SHA256

    254beac232a7bb20289b0608db5a0ccc69789fb8befe2bf3c76fa09953eea6f5

    SHA512

    899dc404559518e311343a0a71ef4f88e4820268ff821082400660647259594cb1a088359c75b17f4e0df85ea5ad91e49b3e86f636e95955c2c56f1e667f4aaf

  • \Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.exe

    Filesize

    247KB

    MD5

    5cae01aea8ed390ce9bec17b6c1237e4

    SHA1

    3a80a49efaac5d839400e4fb8f803243fb39a513

    SHA256

    19896a23d7b054625c2f6b1ee1551a0da68ad25cddbb24510a3b74578418e618

    SHA512

    c8e54c92133ba686238ea554c1cd82ba441db5fd4b0cbd5082d5eb4ddfcedd15506b9dac553459d0b2221c75778241f926ed3eef64571e4b1e0eb6f80ff9b481

  • \Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.exe

    Filesize

    247KB

    MD5

    5cae01aea8ed390ce9bec17b6c1237e4

    SHA1

    3a80a49efaac5d839400e4fb8f803243fb39a513

    SHA256

    19896a23d7b054625c2f6b1ee1551a0da68ad25cddbb24510a3b74578418e618

    SHA512

    c8e54c92133ba686238ea554c1cd82ba441db5fd4b0cbd5082d5eb4ddfcedd15506b9dac553459d0b2221c75778241f926ed3eef64571e4b1e0eb6f80ff9b481

  • memory/1552-54-0x0000000075681000-0x0000000075683000-memory.dmp

    Filesize

    8KB

  • memory/1552-55-0x0000000000400000-0x0000000001092000-memory.dmp

    Filesize

    12.6MB

  • memory/1552-56-0x0000000000400000-0x0000000001092000-memory.dmp

    Filesize

    12.6MB

  • memory/1552-57-0x0000000000400000-0x0000000001092000-memory.dmp

    Filesize

    12.6MB

  • memory/1552-64-0x0000000000400000-0x0000000001092000-memory.dmp

    Filesize

    12.6MB

  • memory/1716-61-0x000007FEFBB71000-0x000007FEFBB73000-memory.dmp

    Filesize

    8KB