Overview

overview

10

Static

static

46dbb77094...in.exe

windows7_x64

10

46dbb77094...in.exe

windows10_x64

10

Resubmissions

07-10-2020 17:22

201007-y1r2vypflx 10

06-10-2020 17:21

201006-h5fjza9j9n 10

Analysis

  • max time kernel
    132s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    07-10-2020 17:22

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General

  • Target

    46dbb7709411b1429233e0d8d33a02cccd54005a2b4015dcfa8a890252177df9.bin.exe

  • Size

    69KB

  • MD5

    ab8d59aba3dc3c4be755255eca51d879

  • SHA1

    24d2abc132f1337f3bf2dd582efb00e5ac911161

  • SHA256

    46dbb7709411b1429233e0d8d33a02cccd54005a2b4015dcfa8a890252177df9

  • SHA512

    0b1f3a51d6a3006c39f0a4b6ad861944fa9484920d41d68a00d7e88819a732c8bbee9d90da5c6e2c816b5e7cd13a9a35f6a26c85e29a3c3841f59e5cfab87a1e

Score
10/10
ransomwarespywarepersistencemailto_hamlampampom

Malware Config

Extracted

Path

C:\Program Files (x86)\MSBuild\641F7F-Readme.txt

Family

mailto_hamlampampom

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .641f7f -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. Additionally, your data may have been stolen and if you do not cooperate with us, it will become publicly available on our blog. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_641f7f: cx23pgw68sccidn9PTGKIXx/stOWeogpd7dlEjMH1wQ84rbH0G i9eKmfIK0KM1YOyi14m+gswbna6yGGPJ0qJIDgBP7r4qFpHUMd zfzeqHN6ZYMyEH6IAdn9pR3I+PzEMILs4Jue1AnwDItFWjojbc sw3/ewaEj1POFxmQNoTBMIkP2+u4Kn1v9zJRd62I27c7kTO90F A30ab3AFWA8N59pODQtwTFGMMZh0yDncn2OHGX1RsYm1+yNYf5 fZ3N3KnYoT27yrlm0KpnJr7+A7NMK/OuX+lOxjQg==}

Extracted

Path

C:\Users\All Users\Microsoft\Search\Data\Applications\Windows\641F7F-Readme.txt

Family

mailto_hamlampampom

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .641f7f -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. Additionally, your data may have been stolen and if you do not cooperate with us, it will become publicly available on our blog. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_641f7f: cx23pgw68sccidn9PTGKIXx/stOWeogpd7dlEjMH1wQ84rbH0G i9eKmfIK0KM1YOyi14m+gswbna6yGGPJ0qJIDgBP7r4qFpHUMd zfzeqHN6ZYMyEH6IAdn9pR3I+PzEMILs4Jue1AnwDItFWjojbc sw3/ewaEj1POFxmQNoTBMIkP2+u4Kn1v9zJRd62I27c7kTO90F A30ab3AFWA8N59pODQtwTFGMMZh0yDncn2OHGX1RsYm1+yNYf5 fZ3N3KnYoT27yrlm0KpnJr7+A7NMK/OuX+lOxjQg==}Hi! Your files are encrypted. All encrypted files for this computer has extension: .641f7f -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. Additionally, your data may have been stolen and if you do not cooperate with us, it will become publicly available on our blog. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_641f7f: cx23pgw68sccidn9PTGKIXx/stOWeogpd7dlEjMH1wQ84rbH0G i9eKmfIK0KM1YOyi14m+gswbna6yGGPJ0qJIDgBP7r4qFpHUMd zfzeqHN6ZYMyEH6IAdn9pR3I+PzEMILs4Jue1AnwDItFWjojbc sw3/ewaEj1POFxmQNoTBMIkP2+u4Kn1v9zJRd62I27c7kTO90F A30ab3AFWA8N59pODQtwTFGMMZh0yDncn2OHGX1RsYm1+yNYf5 fZ3N3KnYoT27yrlm0KpnJr7+A7NMK/OuX+lOxjQg==}

Extracted

Path

C:\Program Files\Microsoft Office\Stationery\1033\641F7F-Readme.txt

Family

mailto_hamlampampom

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .641f7f -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. Additionally, your data may have been stolen and if you do not cooperate with us, it will become publicly available on our blog. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_641f7f: cx23pgw68sccidn9PTGKIXx/stOWeogpd7dlEjMH1wQ84rbH0G i9eKmfIK0KM1YOyi14m+gswbna6yGGPJ0qJIDgBP7r4qFpHUMd zfzeqHN6ZYMyEH6IAdn9pR3I+PzEMILs4Jue1AnwDItFWjojbc sw3/ewaEj1POFxmQNoTBMIkP2+u4Kn1v9zJRd62I27c7kTO90F A30ab3AFWA8N59pODQtwTFGMMZh0yDncn2OHGX1RsYm1+yNYf5 fZ3N3KnYoT27yrlm0KpnJr7+A7NMK/OuX+lOxjQg==}Hi! Your files are encrypted. All encrypted files for this computer has extension: .641f7f -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. Additionally, your data may have been stolen and if you do not cooperate with us, it will become publicly available on our blog. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_641f7f: cx23pgw68sccidn9PTGKIXx/stOWeogpd7dlEjMH1wQ84rbH0G i9eKmfIK0KM1YOyi14m+gswbna6yGGPJ0qJIDgBP7r4qFpHUMd zfzeqHN6ZYMyEH6IAdn9pR3I+PzEMILs4Jue1AnwDItFWjojbc sw3/ewaEj1POFxmQNoTBMIkP2+u4Kn1v9zJRd62I27c7kTO90F A30ab3AFWA8N59pODQtwTFGMMZh0yDncn2OHGX1RsYm1+yNYf5 fZ3N3KnYoT27yrlm0KpnJr7+A7NMK/OuX+lOxjQg==}Hi! Your files are encrypted. All encrypted files for this computer has extension: .641f7f -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. Additionally, your data may have been stolen and if you do not cooperate with us, it will become publicly available on our blog. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_641f7f: cx23pgw68sccidn9PTGKIXx/stOWeogpd7dlEjMH1wQ84rbH0G i9eKmfIK0KM1YOyi14m+gswbna6yGGPJ0qJIDgBP7r4qFpHUMd zfzeqHN6ZYMyEH6IAdn9pR3I+PzEMILs4Jue1AnwDItFWjojbc sw3/ewaEj1POFxmQNoTBMIkP2+u4Kn1v9zJRd62I27c7kTO90F A30ab3AFWA8N59pODQtwTFGMMZh0yDncn2OHGX1RsYm1+yNYf5 fZ3N3KnYoT27yrlm0KpnJr7+A7NMK/OuX+lOxjQg==}

Signatures

  • MailTo (Hamlampampom Variant)

    Ransomware family discovered in late 2019 with variants named based on contact emails.

    ransomwaremailto_hamlampampom
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 3 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Modifies service 2 TTPs 5 IoCs
    persistence
  • Drops file in Program Files directory 7495 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 11896 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\46dbb7709411b1429233e0d8d33a02cccd54005a2b4015dcfa8a890252177df9.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\46dbb7709411b1429233e0d8d33a02cccd54005a2b4015dcfa8a890252177df9.bin.exe"
    1⤵
    • Modifies extensions of user files
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:1628
    • C:\Windows\SysWOW64\notepad.exe
      C:\Windows\system32\notepad.exe "C:\Users\Admin\Desktop\641F7F-Readme.txt"
      2⤵
        PID:3112
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c "C:\Users\Admin\AppData\Local\Temp\97DC.tmp.bat"
        2⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:5196
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /F /PID 1688
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:5448
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Modifies service
      • Suspicious use of AdjustPrivilegeToken
      PID:7116

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Modify Existing Service

    1
    T1031

    Privilege Escalation

    Defense Evasion

    File Deletion

    2
    T1107

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    Lateral Movement

    Collection

    Data from Local System

    1
    T1005

    Exfiltration

    Command and Control

    Impact

    Inhibit System Recovery

    2
    T1490

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\97DC.tmp.bat
      MD5

      d70398154488e9ed77766fb3e8c18811

      SHA1

      dbed2c7fdb82ea2544323f321a0cf75fba690f51

      SHA256

      65665290e6f796e6c64b2a889a3336b13ac6fdb78dc49c8e92bebaa8efd6084a

      SHA512

      c5769d6dbffbaf565a87a0f2a20952db2b817a9ab4217fd6792908017050c3d06f9fe8c2980c4965013afeca826d3b072412fa897674c89508d50f1290728cc1

      Download Submit
    • C:\Users\Admin\Desktop\641F7F-Readme.txt
      MD5

      8da07ea4af145d7bee650cd73b788e6a

      SHA1

      bbe245442a1e725a382147ebdf647bbf5d00ac31

      SHA256

      b855ef2eb0bb855a44e2888db7f6d2f0a888d77c819d3630dd05c7c3a4fc5c5d

      SHA512

      3995f9002bf27153dfacf141fb44467630521607be9c5939d234155978a9ff4dd40e817b7c002a0876978cdc54f02400f081fd056c48d0d623a18f04822f25e8

      Download Submit
    • memory/1628-0-0x0000000000000000-mapping.dmp
      Download
    • memory/3112-3-0x0000000000000000-mapping.dmp
      Download
    • memory/5196-6-0x0000000000000000-mapping.dmp
      Download
    • memory/5448-10-0x0000000000000000-mapping.dmp
      Download