tofsee | cdb4d297bc53dcf661f9f58812fd44e494a64760a4dea483f8f89bee9791e2a4

General

Target

2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe
Size

14.7MB
MD5

d6c6995eda7d5ae7cc5a7be0bb7eba8d
SHA1

1b27e433065b4364f360759dbacf351072b7bbe7
SHA256

cdb4d297bc53dcf661f9f58812fd44e494a64760a4dea483f8f89bee9791e2a4
SHA512

e8db003a63ab17dc3b4c566027e69899b00f4bd981905b5c9e642df9e79b3fc2c24bd3ed239af27a5f9920a9a9f70e31a4463c9884a03db0ad08380b14472738
SSDEEP

49152:wqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPn:wqtYc3

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
3688	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\trhawnql\ImagePath = "C:\\Windows\\SysWOW64\\trhawnql\\idhzpaca.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe

Deletes itself 1 IoCs

pid	Process
1980	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3980	idhzpaca.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3980 set thread context of 1980	3980	idhzpaca.exe	93

Launches sc.exe 3 IoCs

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

pid	Process
3256	sc.exe
2288	sc.exe
1976	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2116	4972	WerFault.exe	81
2016	3980	WerFault.exe	92

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	idhzpaca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4972 wrote to memory of 3956	4972	2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe	82
PID 4972 wrote to memory of 3956	4972	2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe	82
PID 4972 wrote to memory of 3956	4972	2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe	82
PID 4972 wrote to memory of 1676	4972	2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe	84
PID 4972 wrote to memory of 1676	4972	2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe	84
PID 4972 wrote to memory of 1676	4972	2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe	84
PID 4972 wrote to memory of 3256	4972	2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe	86
PID 4972 wrote to memory of 3256	4972	2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe	86
PID 4972 wrote to memory of 3256	4972	2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe	86
PID 4972 wrote to memory of 2288	4972	2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe	88
PID 4972 wrote to memory of 2288	4972	2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe	88
PID 4972 wrote to memory of 2288	4972	2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe	88
PID 4972 wrote to memory of 1976	4972	2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe	90
PID 4972 wrote to memory of 1976	4972	2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe	90
PID 4972 wrote to memory of 1976	4972	2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe	90
PID 3980 wrote to memory of 1980	3980	idhzpaca.exe	93
PID 3980 wrote to memory of 1980	3980	idhzpaca.exe	93
PID 3980 wrote to memory of 1980	3980	idhzpaca.exe	93
PID 3980 wrote to memory of 1980	3980	idhzpaca.exe	93
PID 3980 wrote to memory of 1980	3980	idhzpaca.exe	93
PID 4972 wrote to memory of 3688	4972	2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe	95
PID 4972 wrote to memory of 3688	4972	2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe	95
PID 4972 wrote to memory of 3688	4972	2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe	95

C:\Users\Admin\AppData\Local\Temp\2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4972
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\trhawnql\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3956
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\idhzpaca.exe" C:\Windows\SysWOW64\trhawnql\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1676
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create trhawnql binPath= "C:\Windows\SysWOW64\trhawnql\idhzpaca.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3256
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description trhawnql "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2288
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start trhawnql
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1976
- 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:3688
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 1192
  2⤵
  - Program crash
  PID:2116

C:\Windows\SysWOW64\trhawnql\idhzpaca.exe
C:\Windows\SysWOW64\trhawnql\idhzpaca.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3980
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1980
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3980 -s 560
  2⤵
  - Program crash
  PID:2016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4972 -ip 4972
1⤵
PID:4996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3980 -ip 3980
1⤵
PID:3456

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\idhzpaca.exe

Filesize
10.6MB

MD5
377a3f5ad9e8c32661508d5d3c2eff6d

SHA1
913cc74ca9372df9d72df72d8ad3495d9ec1ca5b

SHA256
2e36e370a1df547b7de98979e65c86609787483e615a0f9560ebe867f00c5abf

SHA512
5e1eb34a8a4633a4f9aa529d1f57143656124fd5952b1a651ae0ac1620e5792b51b7bb256fdd371ff83cfe83cb663dce1ae2e437751bc6b839044e124516f2c1

Download Submit
memory/1980-8-0x00000000008E0000-0x00000000008F5000-memory.dmp

Filesize
84KB

Download
memory/1980-14-0x00000000008E0000-0x00000000008F5000-memory.dmp

Filesize
84KB

Download
memory/1980-15-0x00000000008E0000-0x00000000008F5000-memory.dmp

Filesize
84KB

Download
memory/3980-10-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/4972-1-0x00000000030B0000-0x00000000031B0000-memory.dmp

Filesize
1024KB

Download
memory/4972-2-0x0000000002EE0000-0x0000000002EF3000-memory.dmp

Filesize
76KB

Download
memory/4972-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4972-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4972-12-0x0000000002EE0000-0x0000000002EF3000-memory.dmp

Filesize
76KB

Download
memory/4972-11-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads