tofsee | bf401d6e9c1ac69b17073b0d4fb699870f2d4eacb53ca52e4b3fa0fdba47b5ac

General

Target

2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe
Size

13.2MB
MD5

ea50ccb5030d77cff9aa0307373d5956
SHA1

709184a2c6dab5d26455aa075e75b3e3353f6522
SHA256

bf401d6e9c1ac69b17073b0d4fb699870f2d4eacb53ca52e4b3fa0fdba47b5ac
SHA512

f31b63e5ea32e430aab05e83bbab5f62ec8f6c1dee4b007f042d458a2f182dad50db6b405a38dc515ceb37d2c97827ddd544851cacd584a4c5903c7be50f9bfd
SSDEEP

3072:JLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:MOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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
2272	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\svwmvkx\ImagePath = "C:\\Windows\\SysWOW64\\svwmvkx\\qztyqpkg.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe

Deletes itself 1 IoCs

pid	Process
1852	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
768	qztyqpkg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 768 set thread context of 1852	768	qztyqpkg.exe	106

Launches sc.exe 3 IoCs

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

pid	Process
4636	sc.exe
548	sc.exe
4464	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
4348	2324	WerFault.exe	82
2104	768	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qztyqpkg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-27_ea50ccb5030d77cff9aa0307373d5956_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	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 4788	2324	2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe	84
PID 2324 wrote to memory of 4788	2324	2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe	84
PID 2324 wrote to memory of 4788	2324	2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe	84
PID 2324 wrote to memory of 3416	2324	2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe	86
PID 2324 wrote to memory of 3416	2324	2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe	86
PID 2324 wrote to memory of 3416	2324	2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe	86
PID 2324 wrote to memory of 4636	2324	2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe	88
PID 2324 wrote to memory of 4636	2324	2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe	88
PID 2324 wrote to memory of 4636	2324	2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe	88
PID 2324 wrote to memory of 548	2324	2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe	90
PID 2324 wrote to memory of 548	2324	2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe	90
PID 2324 wrote to memory of 548	2324	2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe	90
PID 2324 wrote to memory of 4464	2324	2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe	92
PID 2324 wrote to memory of 4464	2324	2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe	92
PID 2324 wrote to memory of 4464	2324	2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe	92
PID 2324 wrote to memory of 2272	2324	2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe	95
PID 2324 wrote to memory of 2272	2324	2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe	95
PID 2324 wrote to memory of 2272	2324	2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe	95
PID 768 wrote to memory of 1852	768	qztyqpkg.exe	106
PID 768 wrote to memory of 1852	768	qztyqpkg.exe	106
PID 768 wrote to memory of 1852	768	qztyqpkg.exe	106
PID 768 wrote to memory of 1852	768	qztyqpkg.exe	106
PID 768 wrote to memory of 1852	768	qztyqpkg.exe	106

C:\Users\Admin\AppData\Local\Temp\2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\svwmvkx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4788
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qztyqpkg.exe" C:\Windows\SysWOW64\svwmvkx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3416
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create svwmvkx binPath= "C:\Windows\SysWOW64\svwmvkx\qztyqpkg.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4636
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description svwmvkx "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:548
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start svwmvkx
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4464
- 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:2272
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 596
  2⤵
  - Program crash
  PID:4348

C:\Windows\SysWOW64\svwmvkx\qztyqpkg.exe
C:\Windows\SysWOW64\svwmvkx\qztyqpkg.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-27_ea50ccb5030d77cff9aa0307373d5956_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:768
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1852
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 768 -s 512
  2⤵
  - Program crash
  PID:2104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2324 -ip 2324
1⤵
PID:1832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 768 -ip 768
1⤵
PID:3584

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\qztyqpkg.exe

Filesize
14.0MB

MD5
2d452e415c4139811a7ab6fc3f7db2b8

SHA1
73d51745d631f9f66ca42a77c573b1f461264f26

SHA256
4c1ae0d5ed45005fb2f0d7b0456f99d13d7c1dd3b2860af1047ac7e6c212f99f

SHA512
f31520999b747fd8a14fb0da041d0e203ba61359099794ba8d9d818804ed2bf9c36d28892fc5cc670cd897efd267f278a42df5ab1b3f42d84eeb2cb65efe4a95

Download Submit
memory/768-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/768-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/768-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/768-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1852-14-0x0000000000180000-0x0000000000195000-memory.dmp

Filesize
84KB

Download
memory/1852-16-0x0000000000180000-0x0000000000195000-memory.dmp

Filesize
84KB

Download
memory/1852-17-0x0000000000180000-0x0000000000195000-memory.dmp

Filesize
84KB

Download
memory/2324-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2324-2-0x00000000004A0000-0x00000000004B3000-memory.dmp

Filesize
76KB

Download
memory/2324-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2324-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2324-8-0x00000000004A0000-0x00000000004B3000-memory.dmp

Filesize
76KB

Download
memory/2324-1-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads