tofsee | aa0a760d2a1fdc180d28a272d318538aaee721173a72c6e8cd38493b430f6534

General

Target

2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe
Size

12.0MB
MD5

c2df008e679b7a67db6925ba51d9ac6c
SHA1

cb0814dd84679657d32b9ecd69b4aa9a0f8f72d2
SHA256

aa0a760d2a1fdc180d28a272d318538aaee721173a72c6e8cd38493b430f6534
SHA512

ad17a6cab288318be0ea8b703912f0ea98f3df8d498adc5f9cadaa3411c6859d08f69518237c0ed38fbeb291e41c8540232d58b0553b627dabc478c5267b9e1f
SSDEEP

3072:0LBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:xOMdRQr7OB0ypmMXnl8XEPM3noSWOC

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Tofsee family
tofsee
Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2960	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\zmbeadip\ImagePath = "C:\\Windows\\SysWOW64\\zmbeadip\\xowuezgu.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe

Deletes itself 1 IoCs

pid	Process
4624	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2132	xowuezgu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2132 set thread context of 4624	2132	xowuezgu.exe	104

Launches sc.exe 3 IoCs

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

pid	Process
2212	sc.exe
4532	sc.exe
2204	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4312	4592	WerFault.exe	83
3156	2132	WerFault.exe	94

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

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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xowuezgu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4592 wrote to memory of 1144	4592	2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe	84
PID 4592 wrote to memory of 1144	4592	2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe	84
PID 4592 wrote to memory of 1144	4592	2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe	84
PID 4592 wrote to memory of 4844	4592	2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe	86
PID 4592 wrote to memory of 4844	4592	2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe	86
PID 4592 wrote to memory of 4844	4592	2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe	86
PID 4592 wrote to memory of 2212	4592	2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe	88
PID 4592 wrote to memory of 2212	4592	2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe	88
PID 4592 wrote to memory of 2212	4592	2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe	88
PID 4592 wrote to memory of 4532	4592	2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe	90
PID 4592 wrote to memory of 4532	4592	2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe	90
PID 4592 wrote to memory of 4532	4592	2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe	90
PID 4592 wrote to memory of 2204	4592	2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe	92
PID 4592 wrote to memory of 2204	4592	2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe	92
PID 4592 wrote to memory of 2204	4592	2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe	92
PID 4592 wrote to memory of 2960	4592	2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe	97
PID 4592 wrote to memory of 2960	4592	2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe	97
PID 4592 wrote to memory of 2960	4592	2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe	97
PID 2132 wrote to memory of 4624	2132	xowuezgu.exe	104
PID 2132 wrote to memory of 4624	2132	xowuezgu.exe	104
PID 2132 wrote to memory of 4624	2132	xowuezgu.exe	104
PID 2132 wrote to memory of 4624	2132	xowuezgu.exe	104
PID 2132 wrote to memory of 4624	2132	xowuezgu.exe	104

C:\Users\Admin\AppData\Local\Temp\2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4592
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zmbeadip\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1144
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xowuezgu.exe" C:\Windows\SysWOW64\zmbeadip\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4844
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zmbeadip binPath= "C:\Windows\SysWOW64\zmbeadip\xowuezgu.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2212
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zmbeadip "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4532
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zmbeadip
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2204
- 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:2960
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 1208
  2⤵
  - Program crash
  PID:4312

C:\Windows\SysWOW64\zmbeadip\xowuezgu.exe
C:\Windows\SysWOW64\zmbeadip\xowuezgu.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-31_c2df008e679b7a67db6925ba51d9ac6c_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4624
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 556
  2⤵
  - Program crash
  PID:3156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4592 -ip 4592
1⤵
PID:972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2132 -ip 2132
1⤵
PID:4392

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

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\xowuezgu.exe

Filesize
13.1MB

MD5
03054da02bbd59f806610ab8eae5e88b

SHA1
82645553e91d203b47d08c6dc9bf15cf3f5c2f25

SHA256
b1926565e941e179e72765813241e99897265420cf45b6c7b3fba209bacdfacf

SHA512
7ac8327f88e887865d631cc0a5540fbfd391829dfc3374926f6d909f131723358db8a2790a4c069eb46bcb6decbf615f4db756841f12b1c739ccc8210c38a991

Download Submit
memory/2132-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2132-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2132-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2132-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4592-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4592-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/4592-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4592-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4592-8-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/4592-1-0x00000000006F0000-0x00000000007F0000-memory.dmp

Filesize
1024KB

Download
memory/4624-14-0x0000000001280000-0x0000000001295000-memory.dmp

Filesize
84KB

Download
memory/4624-16-0x0000000001280000-0x0000000001295000-memory.dmp

Filesize
84KB

Download
memory/4624-17-0x0000000001280000-0x0000000001295000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads