Overview

overview

10

Static

static

3

8139a1abf1...ea.exe

windows7-x64

10

8139a1abf1...ea.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    122s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    26-07-2024 01:00

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General

  • Target

    8139a1abf1b69e34499158be4dd7e73335c67b275b531061d8f3ce1acb8b13ea.exe

  • Size

    621KB

  • MD5

    0a4fdcaa0f4966b387fbfb9b8248fd7d

  • SHA1

    56239da8077f97b837222d855273095779b638cd

  • SHA256

    8139a1abf1b69e34499158be4dd7e73335c67b275b531061d8f3ce1acb8b13ea

  • SHA512

    aa57096f7b060ff3afdc9347e8a4242e4daa837f96ac18788c8cc0751f7582fb2815b3a3b40af3ee0a8904a300148e848e531e069d367544ddba19ef40173941

  • SSDEEP

    6144:HYghlI5/u8f1mr+4RJ99MpDa52RX5wRDhOOU0qsRZ:HYKlYmDXEpDHRXP01

Score
10/10
cerberaspackv2discoveryevasionpersistenceprivilege_escalationransomware

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___MQHL_.txt

Family

cerber

Ransom Note
CERBER RANSOMWARE ----- YOUR DOCUMENTS, PH0TOS, DATABASES AND OTHER IMPORTANT FILES HAVE BEEN ENCRYPTED! ----- The only way to decrypt y0ur files is to receive the private key and decryption program. To receive the private key and decryption program go to any decrypted folder, inside there is the special file (*_READ_THIS_FILE_*) with complete instructions how to decrypt your files. If you cannot find any (*_READ_THIS_FILE_*) file at your PC, follow the instructions below: ----- 1. Download "Tor Browser" from https://www.torproject.org/ and install it. 2. In the "Tor Browser" open your personal page here: http://p27dokhpz2n7nvgr.onion/C1E3-7D8C-3285-0446-9A94 Note! This page is available via "Tor Browser" only. ----- Also you can use temporary addresses on your personal page without using "Tor Browser". ----- 1. http://p27dokhpz2n7nvgr.12hygy.top/C1E3-7D8C-3285-0446-9A94 2. http://p27dokhpz2n7nvgr.14ewqv.top/C1E3-7D8C-3285-0446-9A94 3. http://p27dokhpz2n7nvgr.14vvrc.top/C1E3-7D8C-3285-0446-9A94 4. http://p27dokhpz2n7nvgr.129p1t.top/C1E3-7D8C-3285-0446-9A94 5. http://p27dokhpz2n7nvgr.1apgrn.top/C1E3-7D8C-3285-0446-9A94 ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://p27dokhpz2n7nvgr.onion/C1E3-7D8C-3285-0446-9A94

http://p27dokhpz2n7nvgr.12hygy.top/C1E3-7D8C-3285-0446-9A94

http://p27dokhpz2n7nvgr.14ewqv.top/C1E3-7D8C-3285-0446-9A94

http://p27dokhpz2n7nvgr.14vvrc.top/C1E3-7D8C-3285-0446-9A94

http://p27dokhpz2n7nvgr.129p1t.top/C1E3-7D8C-3285-0446-9A94

http://p27dokhpz2n7nvgr.1apgrn.top/C1E3-7D8C-3285-0446-9A94

Signatures

  • Cerber

    Cerber is a widely used ransomware-as-a-service (RaaS), first seen in 2017.

    ransomwarecerber
  • Blocklisted process makes network request 5 IoCs
  • Contacts a large (1097) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

    discovery
  • Modifies Windows Firewall 2 TTPs 2 IoCs
    evasion
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

    aspackv2
  • Deletes itself 1 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 38 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Kills process with taskkill 1 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8139a1abf1b69e34499158be4dd7e73335c67b275b531061d8f3ce1acb8b13ea.exe
    "C:\Users\Admin\AppData\Local\Temp\8139a1abf1b69e34499158be4dd7e73335c67b275b531061d8f3ce1acb8b13ea.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\Users\Admin\AppData\Local\Temp\ianRNo.exe
      C:\Users\Admin\AppData\Local\Temp\ianRNo.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3044
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\19e453da.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2480
    • C:\Windows\SysWOW64\netsh.exe
      C:\Windows\system32\netsh.exe advfirewall set allprofiles state on
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:2296
    • C:\Windows\SysWOW64\netsh.exe
      C:\Windows\system32\netsh.exe advfirewall reset
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:2772
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___HJ2TJ_.hta"
      2⤵
      • Blocklisted process makes network request
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      PID:1276
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___MQHL_.txt
      2⤵
      • System Location Discovery: System Language Discovery
      • Opens file in notepad (likely ransom note)
      PID:2228
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:824
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im "8139a1abf1b69e34499158be4dd7e73335c67b275b531061d8f3ce1acb8b13ea.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2388
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 1 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

2
T1112

Credential Access

Discovery

Network Service Discovery

1
T1046

Remote System Discovery

1
T1018

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\NT8UAXPK\k2[1].rar
    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\19e453da.bat
    Filesize

    187B

    MD5

    4f2473d0cf9165cf3ea01defafe8f4c3

    SHA1

    37062d13a18fe140f909297505c7060df12a4766

    SHA256

    b91c17408d01c67aa46bd72cd3b179d1e9b11ff5455a0bc6bbadae8797481a7d

    SHA512

    bf5ff9f584b49f80e58cdd1f956e50b46f31c133ffbb1ba6bdbe1123313fefea906d073ed1ca794adfcc468f8b4dd780194d89b04b409529fb2f8992f087812d

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\Cab194D.tmp
    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\Tar198E.tmp
    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    Download Submit

  • C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___HJ2TJ_.hta
    Filesize

    75KB

    MD5

    1c45977002d7793ca05db676efccf099

    SHA1

    12272482f75ff67aa81d3ece895e1632b434fe89

    SHA256

    70fbcd9d8ea38e430db40cc72dbc64ff69e08023a137b3731ccdbdbf70947c6d

    SHA512

    078cd4e64f9f266139680eebf1f46f07ee19011b1a01b259447f85eda73e162efb65e6369fb72e02ba67d4dbf1458eb51f5fefe2e038b2b9d263cf5edc6e648f

    Download Submit

  • C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___MQHL_.txt
    Filesize

    1KB

    MD5

    f1ccf0ec605fae6d1dba940934764d58

    SHA1

    51fe3f1bf57a7a410d9d5be9ef07b952d8c864a5

    SHA256

    13d4736066e1e571191c6589d6423a5a586585f51bc6c0c0b1bcae4d1b2d6d80

    SHA512

    6ea20591a0fa13f43883d15777d2bfd91388dc89bd1a016c9f86c299a23ed80801ca0310f17bbd5064a68334760d26d014fb4f72a5b7bb646e965e003bcedc6c

    Download Submit

  • \Users\Admin\AppData\Local\Temp\ianRNo.exe
    Filesize

    15KB

    MD5

    f7d21de5c4e81341eccd280c11ddcc9a

    SHA1

    d4e9ef10d7685d491583c6fa93ae5d9105d815bd

    SHA256

    4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

    SHA512

    e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

    Download Submit

  • memory/3032-155-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

    Download

  • memory/3032-14-0x0000000000220000-0x0000000000251000-memory.dmp

    Filesize

    196KB

    Download

  • memory/3032-102-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

    Download

  • memory/3032-10-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

    Download

  • memory/3032-122-0x0000000003B10000-0x0000000003B20000-memory.dmp

    Filesize

    64KB

    Download

  • memory/3032-17-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

    Download

  • memory/3032-15-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

    Download

  • memory/3032-20-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

    Download

  • memory/3032-0-0x0000000000400000-0x000000000049F000-memory.dmp

    Filesize

    636KB

    Download

  • memory/3032-4-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

    Download

  • memory/3032-157-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

    Download

  • memory/3032-153-0x0000000000400000-0x000000000049F000-memory.dmp

    Filesize

    636KB

    Download

  • memory/3044-120-0x00000000008C0000-0x00000000008C9000-memory.dmp

    Filesize

    36KB

    Download

  • memory/3044-11-0x00000000008C0000-0x00000000008C9000-memory.dmp

    Filesize

    36KB

    Download