Resubmissions

03-04-2024 05:48

240403-ghe9tsaa72 10

03-04-2024 01:47

240403-b7plxace74 10

Analysis

  • max time kernel
    146s
  • max time network
    158s
  • platform
    windows10-1703_x64
  • resource
    win10-20240221-en
  • resource tags

    arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
  • submitted
    03-04-2024 05:48

General

  • Target

    b84760ded0544c86d23849130082b99c3000b1e4ca5da0690fcdfbf2771b7993.exe

  • Size

    822KB

  • MD5

    f29bb9918f3803046c2bab24c20b458d

  • SHA1

    c162f42333a6a7ef23ea9fc17e470daece374b6c

  • SHA256

    b84760ded0544c86d23849130082b99c3000b1e4ca5da0690fcdfbf2771b7993

  • SHA512

    e9f27f3be82a4b32ad155067b5e7c8652ec2031321eec64574152f2ddb01ff20dc9f44ee75ff7c363b103e3d8a7952c013416f360527e969963a11dea023a164

  • SSDEEP

    24576:OYHymN8tZiUqGvCBSYcjOaTKsB5Oih4un0:OYRNyZiUqwCgYWHhn

Malware Config

Extracted

Family

amadey

Version

4.18

C2

http://193.233.132.56

Attributes
  • install_dir

    09fd851a4f

  • install_file

    explorha.exe

  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/index.php

rc4.plain

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • RisePro

    RisePro stealer is an infostealer distributed by PrivateLoader.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 6 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Identifies Wine through registry keys 2 TTPs 3 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Creates scheduled task(s) 1 TTPs 4 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b84760ded0544c86d23849130082b99c3000b1e4ca5da0690fcdfbf2771b7993.exe
    "C:\Users\Admin\AppData\Local\Temp\b84760ded0544c86d23849130082b99c3000b1e4ca5da0690fcdfbf2771b7993.exe"
    1⤵
    • Drops startup file
    • Accesses Microsoft Outlook profiles
    • Adds Run key to start application
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:4796
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /RU "Admin" /tr "C:\ProgramData\MPGPH131\MPGPH131.exe" /tn "MPGPH131 HR" /sc HOURLY /rl HIGHEST
      2⤵
      • Creates scheduled task(s)
      PID:3396
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /RU "Admin" /tr "C:\ProgramData\MPGPH131\MPGPH131.exe" /tn "MPGPH131 LG" /sc ONLOGON /rl HIGHEST
      2⤵
      • Creates scheduled task(s)
      PID:2124
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /RU "Admin" /tr "C:\ProgramData\MSIUpdaterV131_708f86c7449baa8ed309c374f21ce511\MSIUpdaterV131.exe" /tn "MSIUpdaterV131_708f86c7449baa8ed309c374f21ce511 HR" /sc HOURLY /rl HIGHEST
      2⤵
      • Creates scheduled task(s)
      PID:2780
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /RU "Admin" /tr "C:\ProgramData\MSIUpdaterV131_708f86c7449baa8ed309c374f21ce511\MSIUpdaterV131.exe" /tn "MSIUpdaterV131_708f86c7449baa8ed309c374f21ce511 LG" /sc ONLOGON /rl HIGHEST
      2⤵
      • Creates scheduled task(s)
      PID:2204
    • C:\Users\Admin\AppData\Local\Temp\heidiVXtp4mEWw8Pm\SoFYHPGTjC39Rq_ys3zH.exe
      "C:\Users\Admin\AppData\Local\Temp\heidiVXtp4mEWw8Pm\SoFYHPGTjC39Rq_ys3zH.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1208
      • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
        "C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Identifies Wine through registry keys
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: EnumeratesProcesses
        PID:4836
  • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
    C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Executes dropped EXE
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:428

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\heidiVXtp4mEWw8Pm\SoFYHPGTjC39Rq_ys3zH.exe
    Filesize

    1.8MB

    MD5

    f7b3ab63797531e64d0fedf6a2e5aa85

    SHA1

    fbd9ffa8e69eaddec729d2a2130df4da7d9933e8

    SHA256

    72081a666d0f6ca1b34d4af9a94d3d39b5943a2ab51c8041184e7db170e8fa9e

    SHA512

    2b6e3737e5657a71ae6fea74ec25e737d65480852a4748eb564ff40c46e79742172a0561efcc5b9e5255512ca16f460a4d9a9480f2a06ed6788bad8dab8379a0

  • C:\Users\Admin\AppData\Local\Temp\heidiVXtp4mEWw8Pm\XCwH2K5yfdsVWeb Data
    Filesize

    92KB

    MD5

    ce732f4f447aa2f766cfbdf8a4f5e19e

    SHA1

    318043823c8dc77670f7dfa5b672b313321898fa

    SHA256

    b7cb765a763c053cded7e6e8cda3bcc581bbd10ac756abf495a265be80300191

    SHA512

    7ce0abbbeaf17458f864d4f39326f492320fa6e85524da3ce9d7dd991db4a10080780121dc5a6a755a515022d13f2894692fdc302385da285d8abc77738bafeb

  • memory/428-126-0x00000000010E0000-0x000000000159F000-memory.dmp
    Filesize

    4.7MB

  • memory/428-117-0x00000000010E0000-0x000000000159F000-memory.dmp
    Filesize

    4.7MB

  • memory/428-118-0x00000000010E0000-0x000000000159F000-memory.dmp
    Filesize

    4.7MB

  • memory/428-119-0x0000000001880000-0x0000000001881000-memory.dmp
    Filesize

    4KB

  • memory/428-120-0x0000000001890000-0x0000000001891000-memory.dmp
    Filesize

    4KB

  • memory/428-121-0x00000000015F0000-0x00000000015F1000-memory.dmp
    Filesize

    4KB

  • memory/428-122-0x0000000004DC0000-0x0000000004DC1000-memory.dmp
    Filesize

    4KB

  • memory/428-123-0x00000000010D0000-0x00000000010D1000-memory.dmp
    Filesize

    4KB

  • memory/428-124-0x00000000015E0000-0x00000000015E1000-memory.dmp
    Filesize

    4KB

  • memory/428-125-0x0000000004DB0000-0x0000000004DB1000-memory.dmp
    Filesize

    4KB

  • memory/1208-89-0x0000000004CF0000-0x0000000004CF1000-memory.dmp
    Filesize

    4KB

  • memory/1208-84-0x0000000004C70000-0x0000000004C71000-memory.dmp
    Filesize

    4KB

  • memory/1208-86-0x0000000004C80000-0x0000000004C81000-memory.dmp
    Filesize

    4KB

  • memory/1208-87-0x0000000004D00000-0x0000000004D01000-memory.dmp
    Filesize

    4KB

  • memory/1208-78-0x00000000001F0000-0x00000000006AF000-memory.dmp
    Filesize

    4.7MB

  • memory/1208-97-0x00000000001F0000-0x00000000006AF000-memory.dmp
    Filesize

    4.7MB

  • memory/1208-85-0x0000000004C90000-0x0000000004C91000-memory.dmp
    Filesize

    4KB

  • memory/1208-79-0x0000000077214000-0x0000000077215000-memory.dmp
    Filesize

    4KB

  • memory/1208-80-0x00000000001F0000-0x00000000006AF000-memory.dmp
    Filesize

    4.7MB

  • memory/1208-81-0x0000000004CB0000-0x0000000004CB1000-memory.dmp
    Filesize

    4KB

  • memory/1208-82-0x0000000004CA0000-0x0000000004CA1000-memory.dmp
    Filesize

    4KB

  • memory/1208-83-0x0000000004CD0000-0x0000000004CD1000-memory.dmp
    Filesize

    4KB

  • memory/4796-5-0x0000000004850000-0x0000000004903000-memory.dmp
    Filesize

    716KB

  • memory/4796-98-0x0000000000400000-0x0000000002BF7000-memory.dmp
    Filesize

    40.0MB

  • memory/4796-59-0x0000000000400000-0x0000000002BF7000-memory.dmp
    Filesize

    40.0MB

  • memory/4796-4-0x0000000000400000-0x0000000002BF7000-memory.dmp
    Filesize

    40.0MB

  • memory/4796-3-0x0000000000400000-0x0000000002BF7000-memory.dmp
    Filesize

    40.0MB

  • memory/4796-2-0x0000000004910000-0x0000000004A5F000-memory.dmp
    Filesize

    1.3MB

  • memory/4796-1-0x0000000004850000-0x0000000004903000-memory.dmp
    Filesize

    716KB

  • memory/4796-16-0x0000000000400000-0x0000000002BF7000-memory.dmp
    Filesize

    40.0MB

  • memory/4796-7-0x0000000004910000-0x0000000004A5F000-memory.dmp
    Filesize

    1.3MB

  • memory/4796-110-0x0000000000400000-0x0000000002BF7000-memory.dmp
    Filesize

    40.0MB

  • memory/4836-100-0x00000000010E0000-0x000000000159F000-memory.dmp
    Filesize

    4.7MB

  • memory/4836-111-0x00000000010E0000-0x000000000159F000-memory.dmp
    Filesize

    4.7MB

  • memory/4836-112-0x00000000010E0000-0x000000000159F000-memory.dmp
    Filesize

    4.7MB

  • memory/4836-114-0x00000000010E0000-0x000000000159F000-memory.dmp
    Filesize

    4.7MB

  • memory/4836-115-0x00000000010E0000-0x000000000159F000-memory.dmp
    Filesize

    4.7MB

  • memory/4836-109-0x00000000049C0000-0x00000000049C1000-memory.dmp
    Filesize

    4KB

  • memory/4836-108-0x00000000049D0000-0x00000000049D1000-memory.dmp
    Filesize

    4KB

  • memory/4836-106-0x0000000004960000-0x0000000004961000-memory.dmp
    Filesize

    4KB

  • memory/4836-107-0x00000000049A0000-0x00000000049A1000-memory.dmp
    Filesize

    4KB

  • memory/4836-105-0x0000000004950000-0x0000000004951000-memory.dmp
    Filesize

    4KB

  • memory/4836-104-0x00000000049B0000-0x00000000049B1000-memory.dmp
    Filesize

    4KB

  • memory/4836-103-0x0000000004970000-0x0000000004971000-memory.dmp
    Filesize

    4KB

  • memory/4836-102-0x0000000004990000-0x0000000004991000-memory.dmp
    Filesize

    4KB

  • memory/4836-101-0x0000000004980000-0x0000000004981000-memory.dmp
    Filesize

    4KB

  • memory/4836-99-0x00000000010E0000-0x000000000159F000-memory.dmp
    Filesize

    4.7MB

  • memory/4836-128-0x00000000010E0000-0x000000000159F000-memory.dmp
    Filesize

    4.7MB

  • memory/4836-130-0x00000000010E0000-0x000000000159F000-memory.dmp
    Filesize

    4.7MB