tofsee | ce927ec25afbc8286b66340bc776232e59d30fa1182bdc1092a9ae1226d75ca5

General

Target

2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe
Size

14.5MB
MD5

f9e40e411a7ab534dc0d116ada8920aa
SHA1

158d1b0246aead9fb79f2c54938bddc7b02462cf
SHA256

ce927ec25afbc8286b66340bc776232e59d30fa1182bdc1092a9ae1226d75ca5
SHA512

8aba23f118cf0dae109755e07f4ab8dbaf47f1f4b2c440b15b01f41a5f59dbea33013fd64dff99f8919b1a3c12c67a1199bf229d9ea19e957d2f3f00a338fb6e
SSDEEP

24576:6EfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZm:TfotQ

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
4024	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\qjzpfutp\ImagePath = "C:\\Windows\\SysWOW64\\qjzpfutp\\vmipgfjn.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-1-5-21-4174397412-4125106315-2776226590-1000\Control Panel\International\Geo\Nation	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe

Deletes itself 1 IoCs

pid	Process
4944	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3852	vmipgfjn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3852 set thread context of 4944	3852	vmipgfjn.exe	109

Launches sc.exe 3 IoCs

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

pid	Process
4420	sc.exe
4704	sc.exe
3568	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
4416	4588	WerFault.exe	83
2796	3852	WerFault.exe	102

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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vmipgfjn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 4476	4588	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	91
PID 4588 wrote to memory of 4476	4588	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	91
PID 4588 wrote to memory of 4476	4588	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	91
PID 4588 wrote to memory of 3564	4588	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	93
PID 4588 wrote to memory of 3564	4588	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	93
PID 4588 wrote to memory of 3564	4588	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	93
PID 4588 wrote to memory of 4420	4588	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	95
PID 4588 wrote to memory of 4420	4588	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	95
PID 4588 wrote to memory of 4420	4588	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	95
PID 4588 wrote to memory of 4704	4588	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	98
PID 4588 wrote to memory of 4704	4588	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	98
PID 4588 wrote to memory of 4704	4588	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	98
PID 4588 wrote to memory of 3568	4588	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	100
PID 4588 wrote to memory of 3568	4588	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	100
PID 4588 wrote to memory of 3568	4588	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	100
PID 4588 wrote to memory of 4024	4588	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	103
PID 4588 wrote to memory of 4024	4588	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	103
PID 4588 wrote to memory of 4024	4588	2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe	103
PID 3852 wrote to memory of 4944	3852	vmipgfjn.exe	109
PID 3852 wrote to memory of 4944	3852	vmipgfjn.exe	109
PID 3852 wrote to memory of 4944	3852	vmipgfjn.exe	109
PID 3852 wrote to memory of 4944	3852	vmipgfjn.exe	109
PID 3852 wrote to memory of 4944	3852	vmipgfjn.exe	109

C:\Users\Admin\AppData\Local\Temp\2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4588
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qjzpfutp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4476
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vmipgfjn.exe" C:\Windows\SysWOW64\qjzpfutp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3564
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qjzpfutp binPath= "C:\Windows\SysWOW64\qjzpfutp\vmipgfjn.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4420
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qjzpfutp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4704
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qjzpfutp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3568
- 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:4024
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4588 -s 1032
  2⤵
  - Program crash
  PID:4416

C:\Windows\SysWOW64\qjzpfutp\vmipgfjn.exe
C:\Windows\SysWOW64\qjzpfutp\vmipgfjn.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-05_f9e40e411a7ab534dc0d116ada8920aa_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3852
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4944
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3852 -s 508
  2⤵
  - Program crash
  PID:2796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4588 -ip 4588
1⤵
PID:4772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3852 -ip 3852
1⤵
PID:2748

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\vmipgfjn.exe

Filesize
12.3MB

MD5
a9528b677fbdd6779a41bc238ec3ba97

SHA1
b7ac5778b9e674b52000faabf53e14013615eceb

SHA256
fcd1b7934b69723ebb53f65c4dc8aa5df89777d2e3a197b5faa984f70fd97d03

SHA512
a7365d6c4341526b7050a88e24076da480f9812f53050b7ffafbf38c1f99c92b8225c0f6f91a937a4ac04dc403eac3a1d6d611fbf6a51a2f661df51392eae1eb

Download Submit
memory/3852-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3852-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3852-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3852-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4588-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4588-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/4588-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4588-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4588-8-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/4588-1-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/4944-14-0x00000000008E0000-0x00000000008F5000-memory.dmp

Filesize
84KB

Download
memory/4944-16-0x00000000008E0000-0x00000000008F5000-memory.dmp

Filesize
84KB

Download
memory/4944-17-0x00000000008E0000-0x00000000008F5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads