tofsee | ab80628a0f62ca7df440960826b9e66e8fd42a9f57032e2d2affdfd2ed3f976f

General

Target

2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe
Size

10.1MB
MD5

3037c559046509f4e18417b99bc13d18
SHA1

544c3ee6ba22bbfccc5e9d0b1c7d0823b2b86822
SHA256

ab80628a0f62ca7df440960826b9e66e8fd42a9f57032e2d2affdfd2ed3f976f
SHA512

b63f01894a1299760eb86c09e6e86ebfc82c422387c43e1e7f5d9bc817381d06a4edabb774acb2ed5e27f3d9aba4dd51076837e13608cf58422911419ca7c146
SSDEEP

24576:OEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZH:nfot

Score

10^/10

tofsee defense_evasion discovery 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

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2656	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\qirhmawn\ImagePath = "C:\\Windows\\SysWOW64\\qirhmawn\\jrgkxvee.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe

Deletes itself 1 IoCs

pid	Process
1400	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4376	jrgkxvee.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4376 set thread context of 1400	4376	jrgkxvee.exe	109

Launches sc.exe 3 IoCs

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

pid	Process
4968	sc.exe
4056	sc.exe
436	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
2792	2248	WerFault.exe	82
1176	4376	WerFault.exe	100

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jrgkxvee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 3896	2248	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	84
PID 2248 wrote to memory of 3896	2248	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	84
PID 2248 wrote to memory of 3896	2248	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	84
PID 2248 wrote to memory of 2724	2248	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	88
PID 2248 wrote to memory of 2724	2248	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	88
PID 2248 wrote to memory of 2724	2248	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	88
PID 2248 wrote to memory of 4968	2248	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	90
PID 2248 wrote to memory of 4968	2248	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	90
PID 2248 wrote to memory of 4968	2248	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	90
PID 2248 wrote to memory of 4056	2248	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	96
PID 2248 wrote to memory of 4056	2248	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	96
PID 2248 wrote to memory of 4056	2248	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	96
PID 2248 wrote to memory of 436	2248	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	98
PID 2248 wrote to memory of 436	2248	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	98
PID 2248 wrote to memory of 436	2248	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	98
PID 2248 wrote to memory of 2656	2248	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	101
PID 2248 wrote to memory of 2656	2248	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	101
PID 2248 wrote to memory of 2656	2248	2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe	101
PID 4376 wrote to memory of 1400	4376	jrgkxvee.exe	109
PID 4376 wrote to memory of 1400	4376	jrgkxvee.exe	109
PID 4376 wrote to memory of 1400	4376	jrgkxvee.exe	109
PID 4376 wrote to memory of 1400	4376	jrgkxvee.exe	109
PID 4376 wrote to memory of 1400	4376	jrgkxvee.exe	109

C:\Users\Admin\AppData\Local\Temp\2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qirhmawn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3896
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jrgkxvee.exe" C:\Windows\SysWOW64\qirhmawn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2724
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qirhmawn binPath= "C:\Windows\SysWOW64\qirhmawn\jrgkxvee.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4968
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qirhmawn "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4056
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qirhmawn
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:436
- 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:2656
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 1028
  2⤵
  - Program crash
  PID:2792

C:\Windows\SysWOW64\qirhmawn\jrgkxvee.exe
C:\Windows\SysWOW64\qirhmawn\jrgkxvee.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-25_3037c559046509f4e18417b99bc13d18_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4376
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1400
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 532
  2⤵
  - Program crash
  PID:1176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2248 -ip 2248
1⤵
PID:624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4376 -ip 4376
1⤵
PID:2332

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\jrgkxvee.exe

Filesize
14.0MB

MD5
26242dbb10daab5dac440639508a6369

SHA1
481427056f1d2fdf1fcbb6acf8a2038b0b8ae0b2

SHA256
2cd1b779feabce5a03d660eb220f439f2e6c22384e293331286320dcd46c52da

SHA512
06c91d97cf6d5157fcdc03337aacaeff043234087884ac50cb62bd7e30f35675d261eb2bd58fe5fff54274312364a56ffc0eccd0095a82e87fa5d2f1c27024fa

Download Submit
memory/1400-14-0x0000000000180000-0x0000000000195000-memory.dmp

Filesize
84KB

Download
memory/1400-17-0x0000000000180000-0x0000000000195000-memory.dmp

Filesize
84KB

Download
memory/1400-16-0x0000000000180000-0x0000000000195000-memory.dmp

Filesize
84KB

Download
memory/2248-8-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/2248-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2248-2-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/2248-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2248-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2248-1-0x00000000006F0000-0x00000000007F0000-memory.dmp

Filesize
1024KB

Download
memory/4376-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4376-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4376-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4376-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads