tofsee | 47ed682799d604e6deb9627801d88f1d6053eb605b2c745f0b1ff851d2611213

Analysis

max time kernel
143s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
09/02/2025, 05:03

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General

Target

2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe
Size

15.0MB
MD5

3012ce53c8dccc9e9643ffa104f753c7
SHA1

6a3c73bf9d023cb2fe1ad820ffe2edfe6f07dd15
SHA256

47ed682799d604e6deb9627801d88f1d6053eb605b2c745f0b1ff851d2611213
SHA512

aa2f1f06b3dcb5b2fefa6f4985b0ce92dc188658893989cf7ba05828cb5b7197f3c04c77a851b844f18d734edc3114d753ca85f50b48cd380eda42e8bab7b4f8
SSDEEP

393216:GXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX5:S

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

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

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\qwxddvkm = "0"	svchost.exe

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
3024	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\qwxddvkm\ImagePath = "C:\\Windows\\SysWOW64\\qwxddvkm\\uuvgbcai.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2796	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2840	uuvgbcai.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2840 set thread context of 2796	2840	uuvgbcai.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2468	sc.exe
2760	sc.exe
2736	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

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	netsh.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	uuvgbcai.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2712	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	29
PID 3016 wrote to memory of 2712	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	29
PID 3016 wrote to memory of 2712	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	29
PID 3016 wrote to memory of 2712	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	29
PID 3016 wrote to memory of 276	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	31
PID 3016 wrote to memory of 276	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	31
PID 3016 wrote to memory of 276	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	31
PID 3016 wrote to memory of 276	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	31
PID 3016 wrote to memory of 2468	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	33
PID 3016 wrote to memory of 2468	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	33
PID 3016 wrote to memory of 2468	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	33
PID 3016 wrote to memory of 2468	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	33
PID 3016 wrote to memory of 2760	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	35
PID 3016 wrote to memory of 2760	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	35
PID 3016 wrote to memory of 2760	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	35
PID 3016 wrote to memory of 2760	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	35
PID 3016 wrote to memory of 2736	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	37
PID 3016 wrote to memory of 2736	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	37
PID 3016 wrote to memory of 2736	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	37
PID 3016 wrote to memory of 2736	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	37
PID 3016 wrote to memory of 3024	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	40
PID 3016 wrote to memory of 3024	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	40
PID 3016 wrote to memory of 3024	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	40
PID 3016 wrote to memory of 3024	3016	2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe	40
PID 2840 wrote to memory of 2796	2840	uuvgbcai.exe	42
PID 2840 wrote to memory of 2796	2840	uuvgbcai.exe	42
PID 2840 wrote to memory of 2796	2840	uuvgbcai.exe	42
PID 2840 wrote to memory of 2796	2840	uuvgbcai.exe	42
PID 2840 wrote to memory of 2796	2840	uuvgbcai.exe	42
PID 2840 wrote to memory of 2796	2840	uuvgbcai.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qwxddvkm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2712
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uuvgbcai.exe" C:\Windows\SysWOW64\qwxddvkm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:276
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qwxddvkm binPath= "C:\Windows\SysWOW64\qwxddvkm\uuvgbcai.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2468
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qwxddvkm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2760
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qwxddvkm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2736
- 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:3024

C:\Windows\SysWOW64\qwxddvkm\uuvgbcai.exe
C:\Windows\SysWOW64\qwxddvkm\uuvgbcai.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-09_3012ce53c8dccc9e9643ffa104f753c7_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
11.6MB

MD5
9eac6bdaeb2e3db30db46eb391a6ac57

SHA1
6018708b66821120edc1f24bf410db2cd3238e0b

SHA256
ef75e31fb66394ae9078f6271145c6bca4c598f48434a15b034be975112c7d27

SHA512
891fe545d7a02ba9e4e226c676259899c3dabbfaf99b17248b3b081c55917f9066b9fb071da27d492d6d70a06eaeece6b62abf3a41d8f021b509caf3e968a582

Download Submit
memory/2796-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2796-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2796-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2796-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2796-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2840-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3016-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3016-8-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/3016-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/3016-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3016-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3016-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3016-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads