Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:04

General

  • Target

    15b59ff79bbe290dc9da9c695017740a697f5b2f58c3aa78c04af1485a7b75dd.exe

  • Size

    3.7MB

  • MD5

    7095a724461739b15822fd0dd49b327f

  • SHA1

    3d98b504b552c0b86912aaaec3cb9658f8b9260e

  • SHA256

    15b59ff79bbe290dc9da9c695017740a697f5b2f58c3aa78c04af1485a7b75dd

  • SHA512

    1753efee3a36f8aeb6fec810433e7f07feef30774b9ba65d6c3487862f88f64fc006e12a166a306f1be1974fb1e50129587897d63b919e700c9dbf8abd1a2272

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Chinese Botnet Payload 3 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 40 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\15b59ff79bbe290dc9da9c695017740a697f5b2f58c3aa78c04af1485a7b75dd.exe
    "C:\Users\Admin\AppData\Local\Temp\15b59ff79bbe290dc9da9c695017740a697f5b2f58c3aa78c04af1485a7b75dd.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5104
    • C:\Users\QMDesktopAnimation.exe
      C:\Users\QMDesktopAnimation.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3280
      • C:\Users\Public\lsass.exe
        C:\Users\Public\lsass.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetWindowsHookEx
        PID:5096
      • C:\Users\Public\lsass.exe
        C:\Users\Public\lsass.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetWindowsHookEx
        PID:860

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\ExceptCatch.dll
    Filesize

    2.2MB

    MD5

    be31e9cbf3aaa02fec9a6dc2fe49b8f1

    SHA1

    dd554ece008b8d5a9425fa7b5792033e42217484

    SHA256

    931bd3c45bca3a6766e67870457663ae386c04a4983b57cd10b83c1c5fddd19a

    SHA512

    9757bee88f27d9e5a860f3a69046e23bbfea39521c09bb59476fcf5e53eea530e04d717ebe1805a0af78c5d8e4cf0d988fe1e94c1e1c5543c89449debe070a0a

  • C:\Users\ExceptCatch.dll
    Filesize

    2.2MB

    MD5

    be31e9cbf3aaa02fec9a6dc2fe49b8f1

    SHA1

    dd554ece008b8d5a9425fa7b5792033e42217484

    SHA256

    931bd3c45bca3a6766e67870457663ae386c04a4983b57cd10b83c1c5fddd19a

    SHA512

    9757bee88f27d9e5a860f3a69046e23bbfea39521c09bb59476fcf5e53eea530e04d717ebe1805a0af78c5d8e4cf0d988fe1e94c1e1c5543c89449debe070a0a

  • C:\Users\Public\lsass.exe
    Filesize

    1.5MB

    MD5

    4d223a6a4e9402cca12dfb8ac4cb470e

    SHA1

    5e2a470561d4a788bc53e8ebbfc208eccc98f390

    SHA256

    bdc9e471d303f81dbf0a62a50d86e45647505786b3cdf7a0d14a4595a4ae68e1

    SHA512

    091a5e194d45d02f7f156bc611c4c35ed19ab8bf0b806dcbfd2fc63f72837000fcc52e981bb7c980302cecbbca29ae941f30b7136a97c90953b94383e384dd29

  • C:\Users\Public\lsass.exe
    Filesize

    1.5MB

    MD5

    4d223a6a4e9402cca12dfb8ac4cb470e

    SHA1

    5e2a470561d4a788bc53e8ebbfc208eccc98f390

    SHA256

    bdc9e471d303f81dbf0a62a50d86e45647505786b3cdf7a0d14a4595a4ae68e1

    SHA512

    091a5e194d45d02f7f156bc611c4c35ed19ab8bf0b806dcbfd2fc63f72837000fcc52e981bb7c980302cecbbca29ae941f30b7136a97c90953b94383e384dd29

  • C:\Users\Public\lsass.exe
    Filesize

    1.5MB

    MD5

    4d223a6a4e9402cca12dfb8ac4cb470e

    SHA1

    5e2a470561d4a788bc53e8ebbfc208eccc98f390

    SHA256

    bdc9e471d303f81dbf0a62a50d86e45647505786b3cdf7a0d14a4595a4ae68e1

    SHA512

    091a5e194d45d02f7f156bc611c4c35ed19ab8bf0b806dcbfd2fc63f72837000fcc52e981bb7c980302cecbbca29ae941f30b7136a97c90953b94383e384dd29

  • C:\Users\QMDesktopAnimation.exe
    Filesize

    69KB

    MD5

    3d924b86f8dc8215ea1dcda84c218ad7

    SHA1

    bff3baea1ea9f1eef642773382d6e8945fa5bf8c

    SHA256

    a429ee865286dc2be99cb61ac2ed8f29c148aabd7f77943e65114744bc4df98b

    SHA512

    bab02ad0a21b44692bf60db8600872290274b44212febae90c6cf99e09a30c516493253da52b3d80b4fe805100e90fde953b8674c4c8e11911e187dd12dbc7ff

  • C:\Users\QMDesktopAnimation.exe
    Filesize

    69KB

    MD5

    3d924b86f8dc8215ea1dcda84c218ad7

    SHA1

    bff3baea1ea9f1eef642773382d6e8945fa5bf8c

    SHA256

    a429ee865286dc2be99cb61ac2ed8f29c148aabd7f77943e65114744bc4df98b

    SHA512

    bab02ad0a21b44692bf60db8600872290274b44212febae90c6cf99e09a30c516493253da52b3d80b4fe805100e90fde953b8674c4c8e11911e187dd12dbc7ff

  • memory/860-157-0x0000000000400000-0x000000000057C000-memory.dmp
    Filesize

    1.5MB

  • memory/860-150-0x0000000076A70000-0x0000000076AEA000-memory.dmp
    Filesize

    488KB

  • memory/860-149-0x0000000075900000-0x0000000075AA0000-memory.dmp
    Filesize

    1.6MB

  • memory/860-147-0x0000000076670000-0x0000000076885000-memory.dmp
    Filesize

    2.1MB

  • memory/860-146-0x00000000774C0000-0x0000000077663000-memory.dmp
    Filesize

    1.6MB

  • memory/860-144-0x0000000000000000-mapping.dmp
  • memory/3280-130-0x0000000000000000-mapping.dmp
  • memory/5096-135-0x0000000000000000-mapping.dmp
  • memory/5096-143-0x0000000076A70000-0x0000000076AEA000-memory.dmp
    Filesize

    488KB

  • memory/5096-142-0x0000000075900000-0x0000000075AA0000-memory.dmp
    Filesize

    1.6MB

  • memory/5096-139-0x0000000076670000-0x0000000076885000-memory.dmp
    Filesize

    2.1MB

  • memory/5096-151-0x0000000010000000-0x0000000010017000-memory.dmp
    Filesize

    92KB

  • memory/5096-138-0x00000000774C0000-0x0000000077663000-memory.dmp
    Filesize

    1.6MB

  • memory/5096-158-0x0000000000400000-0x000000000057C000-memory.dmp
    Filesize

    1.5MB

  • memory/5104-141-0x0000000000400000-0x0000000000834000-memory.dmp
    Filesize

    4.2MB