Overview

overview

10

Static

static

3

Trojan.Aut...75.exe

windows7-x64

10

Trojan.Aut...75.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-09-2024 12:22

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    Trojan.Autorun.ATA_virussign.com_f7ae445081e10267d2cec9b6b0e2d375.exe

  • Size

    399KB

  • MD5

    f7ae445081e10267d2cec9b6b0e2d375

  • SHA1

    e12892ea4d092e4b959617c6d00356ee23da0797

  • SHA256

    569edae4e4c7f5df590c7ee0a96210942e2be22be73beda9bc1528addca234f4

  • SHA512

    194a260edb0ce0d6c9b74484b55d64e8d593c990ca647acf4c24dd4b58abee0e586485fb06970557d83cc97159933b55a9fa3cc9316f52c28d86552aa039ab04

  • SSDEEP

    6144:ztRdHbfGeyTf8CJH1ci6aZRVDqQP4n48rMI8gVzuhZIIQFa0lw:ztRdHbfByTU3OTBtP44cMYW

Score
10/10
tofseediscoveryevasionexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Signatures

  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    trojantofsee
  • Windows security bypass 2 TTPs 1 IoCs
    evasiontrojan
  • Creates new service(s) 2 TTPs
    persistenceexecution
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Launches sc.exe 3 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 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 9 IoCs

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

    discovery
  • Modifies data under HKEY_USERS 6 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Trojan.Autorun.ATA_virussign.com_f7ae445081e10267d2cec9b6b0e2d375.exe
    "C:\Users\Admin\AppData\Local\Temp\Trojan.Autorun.ATA_virussign.com_f7ae445081e10267d2cec9b6b0e2d375.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\aoujzrvs\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2156
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qckhnage.exe" C:\Windows\SysWOW64\aoujzrvs\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2404
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create aoujzrvs binPath= "C:\Windows\SysWOW64\aoujzrvs\qckhnage.exe /d\"C:\Users\Admin\AppData\Local\Temp\Trojan.Autorun.ATA_virussign.com_f7ae445081e10267d2cec9b6b0e2d375.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:1900
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description aoujzrvs "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2980
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start aoujzrvs
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2712
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:2828
  • C:\Windows\SysWOW64\aoujzrvs\qckhnage.exe
    C:\Windows\SysWOW64\aoujzrvs\qckhnage.exe /d"C:\Users\Admin\AppData\Local\Temp\Trojan.Autorun.ATA_virussign.com_f7ae445081e10267d2cec9b6b0e2d375.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1508
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Windows security bypass
      • Sets service image path in registry
      • Deletes itself
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:2876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Modify Registry

2
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

    12.8MB

    MD5

    e7e54a74622d79dd7566b888e5e38783

    SHA1

    428b34219377b3e41f9c8e66c189d83d2fd20d1b

    SHA256

    110a2e19dc9fe5f20330712b39f884f90128c080f50362aa4fe8cbe43c7cbe9a

    SHA512

    54130e3b7cf9d92e44eadcb44634ed900d8f8203be4c3075614e33989e980402b69af3e593bae3d6abff1a69521076246ef0f77212cbfa286b706cea5562ca3d

    Download Submit

  • memory/1508-17-0x0000000000400000-0x000000000247C000-memory.dmp

    Filesize

    32.5MB

    Download

  • memory/2368-14-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2368-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2368-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

    Filesize

    76KB

    Download

  • memory/2368-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/2368-8-0x0000000000400000-0x000000000247C000-memory.dmp

    Filesize

    32.5MB

    Download

  • memory/2368-16-0x00000000001B0000-0x00000000001C3000-memory.dmp

    Filesize

    76KB

    Download

  • memory/2368-15-0x00000000002B0000-0x00000000003B0000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/2876-49-0x0000000000150000-0x0000000000155000-memory.dmp

    Filesize

    20KB

    Download

  • memory/2876-45-0x00000000000C0000-0x00000000000D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2876-9-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2876-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2876-19-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2876-22-0x0000000001D90000-0x0000000001F9F000-memory.dmp

    Filesize

    2.1MB

    Download

  • memory/2876-29-0x00000000000C0000-0x00000000000D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2876-56-0x0000000005670000-0x0000000005A7B000-memory.dmp

    Filesize

    4.0MB

    Download

  • memory/2876-54-0x0000000005670000-0x0000000005A7B000-memory.dmp

    Filesize

    4.0MB

    Download

  • memory/2876-57-0x0000000000160000-0x0000000000167000-memory.dmp

    Filesize

    28KB

    Download

  • memory/2876-52-0x0000000000150000-0x0000000000155000-memory.dmp

    Filesize

    20KB

    Download

  • memory/2876-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2876-48-0x00000000000C0000-0x00000000000D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2876-47-0x00000000000C0000-0x00000000000D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2876-46-0x00000000000C0000-0x00000000000D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2876-12-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2876-44-0x00000000000C0000-0x00000000000D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2876-43-0x00000000000C0000-0x00000000000D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2876-42-0x00000000000C0000-0x00000000000D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2876-41-0x00000000000C0000-0x00000000000D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2876-40-0x00000000000C0000-0x00000000000D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2876-39-0x00000000000C0000-0x00000000000D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2876-38-0x00000000000C0000-0x00000000000D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2876-37-0x00000000000C0000-0x00000000000D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2876-36-0x00000000000C0000-0x00000000000D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2876-35-0x00000000000C0000-0x00000000000D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2876-34-0x00000000000C0000-0x00000000000D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2876-33-0x00000000000C0000-0x00000000000D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2876-32-0x00000000000C0000-0x00000000000D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2876-26-0x00000000000A0000-0x00000000000A6000-memory.dmp

    Filesize

    24KB

    Download

  • memory/2876-25-0x0000000001D90000-0x0000000001F9F000-memory.dmp

    Filesize

    2.1MB

    Download