metasploit | cc82a28b5143e3343cccd5e1bef91464e321fdafebd4638a3e76d7fd565a3866

Analysis

max time kernel
141s
max time network
140s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-09-2024 20:25

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General

Target

ftyy6.exe
Size

112KB
MD5

12d8ab57264221d75ad61ad4c44ca0a9
SHA1

d34170576d85ad51102d99ec2ce80777952910cf
SHA256

cc82a28b5143e3343cccd5e1bef91464e321fdafebd4638a3e76d7fd565a3866
SHA512

9ceedfeae8871524f55b9d2c3184814840ac328ecfd9e310fb213cc47e7ab460fcc37b6bcf2290856791158acfbf740bb224b29f0ae79a52f14ab9c9949b10b5
SSDEEP

3072:omQub/u/E9NdbpPRz92lQBV+UdE+rECWp7hK8:DDWkfBV+UdvrEFp7hK8

Score

10^/10

metasploit backdoor discovery evasion trojan

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit

Modifies firewall policy service 3 TTPs 4 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	regedit.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	regedit.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	regedit.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	regedit.exe

Modifies security service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	regedit.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4"	regedit.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	regedit.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4"	regedit.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\drivers\tcpip.sys	smsc.exe

Deletes itself 1 IoCs

pid	Process
680	smsc.exe

Executes dropped EXE 1 IoCs

pid	Process
680	smsc.exe

Network Share Discovery 1 TTPs
Attempt to gather information on host network.
discovery

Network Share Discovery
T1135

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	smsc.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\smsc.exe	ftyy6.exe
File opened for modification	C:\Windows\system\smsc.exe	ftyy6.exe

System Location Discovery: System Language Discovery 1 TTPs 24 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regedit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regedit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ftyy6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	smsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies data under HKEY_USERS 6 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	smsc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	smsc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	smsc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	smsc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	smsc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	smsc.exe

Runs .reg file with regedit 2 IoCs

pid	Process
2684	regedit.exe
584	regedit.exe

Runs net.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2784	2656	ftyy6.exe	30
PID 2656 wrote to memory of 2784	2656	ftyy6.exe	30
PID 2656 wrote to memory of 2784	2656	ftyy6.exe	30
PID 2656 wrote to memory of 2784	2656	ftyy6.exe	30
PID 2784 wrote to memory of 2752	2784	cmd.exe	32
PID 2784 wrote to memory of 2752	2784	cmd.exe	32
PID 2784 wrote to memory of 2752	2784	cmd.exe	32
PID 2784 wrote to memory of 2752	2784	cmd.exe	32
PID 2752 wrote to memory of 2704	2752	net.exe	33
PID 2752 wrote to memory of 2704	2752	net.exe	33
PID 2752 wrote to memory of 2704	2752	net.exe	33
PID 2752 wrote to memory of 2704	2752	net.exe	33
PID 2656 wrote to memory of 2680	2656	ftyy6.exe	34
PID 2656 wrote to memory of 2680	2656	ftyy6.exe	34
PID 2656 wrote to memory of 2680	2656	ftyy6.exe	34
PID 2656 wrote to memory of 2680	2656	ftyy6.exe	34
PID 2680 wrote to memory of 2684	2680	cmd.exe	35
PID 2680 wrote to memory of 2684	2680	cmd.exe	35
PID 2680 wrote to memory of 2684	2680	cmd.exe	35
PID 2680 wrote to memory of 2684	2680	cmd.exe	35
PID 2656 wrote to memory of 2592	2656	ftyy6.exe	36
PID 2656 wrote to memory of 2592	2656	ftyy6.exe	36
PID 2656 wrote to memory of 2592	2656	ftyy6.exe	36
PID 2656 wrote to memory of 2592	2656	ftyy6.exe	36
PID 2656 wrote to memory of 2740	2656	ftyy6.exe	37
PID 2656 wrote to memory of 2740	2656	ftyy6.exe	37
PID 2656 wrote to memory of 2740	2656	ftyy6.exe	37
PID 2656 wrote to memory of 2740	2656	ftyy6.exe	37
PID 2592 wrote to memory of 2596	2592	cmd.exe	40
PID 2592 wrote to memory of 2596	2592	cmd.exe	40
PID 2592 wrote to memory of 2596	2592	cmd.exe	40
PID 2592 wrote to memory of 2596	2592	cmd.exe	40
PID 2740 wrote to memory of 340	2740	cmd.exe	41
PID 2740 wrote to memory of 340	2740	cmd.exe	41
PID 2740 wrote to memory of 340	2740	cmd.exe	41
PID 2740 wrote to memory of 340	2740	cmd.exe	41
PID 2596 wrote to memory of 3048	2596	net.exe	42
PID 2596 wrote to memory of 3048	2596	net.exe	42
PID 2596 wrote to memory of 3048	2596	net.exe	42
PID 2596 wrote to memory of 3048	2596	net.exe	42
PID 340 wrote to memory of 828	340	net.exe	43
PID 340 wrote to memory of 828	340	net.exe	43
PID 340 wrote to memory of 828	340	net.exe	43
PID 340 wrote to memory of 828	340	net.exe	43
PID 680 wrote to memory of 2128	680	smsc.exe	45
PID 680 wrote to memory of 2128	680	smsc.exe	45
PID 680 wrote to memory of 2128	680	smsc.exe	45
PID 680 wrote to memory of 2128	680	smsc.exe	45
PID 2128 wrote to memory of 2528	2128	cmd.exe	47
PID 2128 wrote to memory of 2528	2128	cmd.exe	47
PID 2128 wrote to memory of 2528	2128	cmd.exe	47
PID 2128 wrote to memory of 2528	2128	cmd.exe	47
PID 2528 wrote to memory of 2960	2528	net.exe	48
PID 2528 wrote to memory of 2960	2528	net.exe	48
PID 2528 wrote to memory of 2960	2528	net.exe	48
PID 2528 wrote to memory of 2960	2528	net.exe	48
PID 680 wrote to memory of 1292	680	smsc.exe	49
PID 680 wrote to memory of 1292	680	smsc.exe	49
PID 680 wrote to memory of 1292	680	smsc.exe	49
PID 680 wrote to memory of 1292	680	smsc.exe	49
PID 1292 wrote to memory of 584	1292	cmd.exe	50
PID 1292 wrote to memory of 584	1292	cmd.exe	50
PID 1292 wrote to memory of 584	1292	cmd.exe	50
PID 1292 wrote to memory of 584	1292	cmd.exe	50

C:\Users\Admin\AppData\Local\Temp\ftyy6.exe
"C:\Users\Admin\AppData\Local\Temp\ftyy6.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Windows\SysWOW64\cmd.exe
  cmd /c net stop SharedAccess
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\SysWOW64\net.exe
    net stop SharedAccess
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2752
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop SharedAccess
      4⤵
      System Location Discovery: System Language Discovery
      PID:2704
- C:\Windows\SysWOW64\cmd.exe
  cmd /c c:\a.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\SysWOW64\regedit.exe
    REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
    3⤵
    - Modifies firewall policy service
    - Modifies security service
    - System Location Discovery: System Language Discovery
    - Runs .reg file with regedit
    PID:2684
- C:\Windows\SysWOW64\cmd.exe
  cmd /c net stop "Security Center"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2592
- - C:\Windows\SysWOW64\net.exe
    net stop "Security Center"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2596
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop "Security Center"
      4⤵
      System Location Discovery: System Language Discovery
      PID:3048
- C:\Windows\SysWOW64\cmd.exe
  cmd /c net start SharedAccess
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2740
- - C:\Windows\SysWOW64\net.exe
    net start SharedAccess
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:340
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start SharedAccess
      4⤵
      System Location Discovery: System Language Discovery
      PID:828

C:\Windows\system\smsc.exe
"C:\Windows\system\smsc.exe"
1⤵
- Drops file in Drivers directory
- Deletes itself
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:680
- C:\Windows\SysWOW64\cmd.exe
  cmd /c net stop SharedAccess
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Windows\SysWOW64\net.exe
    net stop SharedAccess
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2528
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop SharedAccess
      4⤵
      System Location Discovery: System Language Discovery
      PID:2960
- C:\Windows\SysWOW64\cmd.exe
  cmd /c c:\a.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1292
- - C:\Windows\SysWOW64\regedit.exe
    REGEDIT /S C:\Windows\TEMP\1.reg
    3⤵
    - Modifies firewall policy service
    - Modifies security service
    - System Location Discovery: System Language Discovery
    - Runs .reg file with regedit
    PID:584
- C:\Windows\SysWOW64\cmd.exe
  cmd /c net stop "Security Center"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2264
- - C:\Windows\SysWOW64\net.exe
    net stop "Security Center"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:804
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop "Security Center"
      4⤵
      System Location Discovery: System Language Discovery
      PID:1372
- C:\Windows\SysWOW64\cmd.exe
  cmd /c net start SharedAccess
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2052
- - C:\Windows\SysWOW64\net.exe
    net start SharedAccess
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2136
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start SharedAccess
      4⤵
      System Location Discovery: System Language Discovery
      PID:840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Network Share Discovery

T1135

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\1.reg

Filesize
640B

MD5
70237e6c7f12f17048117b2e1098aef9

SHA1
b9735214963e8e3b791bf7113bebbbbf65c4d36d

SHA256
6d93c70335964c039571168a9f805954a524287b1c628450a269ba14c10a096c

SHA512
bdfef5f2890afda7e9d786514d47cf2a25957c82d795ed7e71d614244fb67835fef03758e76ca1056751d7182ebad3442b412587ecc3d7dc1737d4743077bcee

Download Submit
C:\Windows\system\smsc.exe

Filesize
112KB

MD5
12d8ab57264221d75ad61ad4c44ca0a9

SHA1
d34170576d85ad51102d99ec2ce80777952910cf

SHA256
cc82a28b5143e3343cccd5e1bef91464e321fdafebd4638a3e76d7fd565a3866

SHA512
9ceedfeae8871524f55b9d2c3184814840ac328ecfd9e310fb213cc47e7ab460fcc37b6bcf2290856791158acfbf740bb224b29f0ae79a52f14ab9c9949b10b5

Download Submit
C:\a.bat

Filesize
1KB

MD5
d807ec0161c542b23e37898db356c95b

SHA1
0aac2ef8e1d77868d932a10007efcbd0b69ecdfc

SHA256
56cdc18d3a8b4f2059f1e17e7017b10dcfe2eef840190843dc04fa737f5b6a37

SHA512
538082e228d8e61e09d368f674b581550791153b107abe189623666b81731b7f3470a079043d7ac96339217361d73b5fe62ae2b5b103499ddf750fb89d492cdf

Download Submit
memory/680-68-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/680-70-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/680-77-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/680-75-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/680-65-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/680-74-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/680-69-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/680-73-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/680-71-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/680-72-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2656-0-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2656-1-0x0000000000020000-0x0000000000023000-memory.dmp

Filesize
12KB

Download
memory/2656-64-0x0000000000020000-0x0000000000023000-memory.dmp

Filesize
12KB

Download
memory/2656-63-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads