tofsee | 051741d8d6d134d515aebb60981557c501937354b3bc3d297afdea28133f024b

Analysis

max time kernel
144s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/01/2025, 11:10

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General

Target

2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe
Size

12.6MB
MD5

e6f0c5a7a20632b4c2a1c905d5e95fe3
SHA1

7baff6380cde2b027fc67807648bd6ddd524b49d
SHA256

051741d8d6d134d515aebb60981557c501937354b3bc3d297afdea28133f024b
SHA512

8a92a92e7639346073f0955f22bf2a21a693490e01c6ed15e18e1079ece64eb31b4ad9489fbb96927585905884bc2b056044e186cd41f2c53077abcd35077085
SSDEEP

24576:eEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZf:3fot

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\igayftzx = "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
2652	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\igayftzx\ImagePath = "C:\\Windows\\SysWOW64\\igayftzx\\gghsnomu.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2576	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2744	gghsnomu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2744 set thread context of 2576	2744	gghsnomu.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2176	sc.exe
2740	sc.exe
2852	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_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	gghsnomu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2816	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	30
PID 2316 wrote to memory of 2816	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	30
PID 2316 wrote to memory of 2816	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	30
PID 2316 wrote to memory of 2816	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	30
PID 2316 wrote to memory of 2880	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	32
PID 2316 wrote to memory of 2880	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	32
PID 2316 wrote to memory of 2880	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	32
PID 2316 wrote to memory of 2880	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	32
PID 2316 wrote to memory of 2176	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	34
PID 2316 wrote to memory of 2176	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	34
PID 2316 wrote to memory of 2176	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	34
PID 2316 wrote to memory of 2176	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	34
PID 2316 wrote to memory of 2740	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	36
PID 2316 wrote to memory of 2740	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	36
PID 2316 wrote to memory of 2740	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	36
PID 2316 wrote to memory of 2740	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	36
PID 2316 wrote to memory of 2852	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	38
PID 2316 wrote to memory of 2852	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	38
PID 2316 wrote to memory of 2852	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	38
PID 2316 wrote to memory of 2852	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	38
PID 2744 wrote to memory of 2576	2744	gghsnomu.exe	41
PID 2744 wrote to memory of 2576	2744	gghsnomu.exe	41
PID 2744 wrote to memory of 2576	2744	gghsnomu.exe	41
PID 2744 wrote to memory of 2576	2744	gghsnomu.exe	41
PID 2744 wrote to memory of 2576	2744	gghsnomu.exe	41
PID 2744 wrote to memory of 2576	2744	gghsnomu.exe	41
PID 2316 wrote to memory of 2652	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	42
PID 2316 wrote to memory of 2652	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	42
PID 2316 wrote to memory of 2652	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	42
PID 2316 wrote to memory of 2652	2316	2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\igayftzx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2816
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gghsnomu.exe" C:\Windows\SysWOW64\igayftzx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2880
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create igayftzx binPath= "C:\Windows\SysWOW64\igayftzx\gghsnomu.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2176
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description igayftzx "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2740
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start igayftzx
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2852
- 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:2652

C:\Windows\SysWOW64\igayftzx\gghsnomu.exe
C:\Windows\SysWOW64\igayftzx\gghsnomu.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-27_e6f0c5a7a20632b4c2a1c905d5e95fe3_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744
- 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:2576

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\gghsnomu.exe

Filesize
12.7MB

MD5
4bbb51b1524090904d65ba78bcec90ca

SHA1
3aa07dff04595f3a1cee26c7b110b81c8133d3c5

SHA256
a720473bbd7cec4e13776b1a6cef3a95be6d160128c242502c58fe1c243608f3

SHA512
6a83058d0bb7e2c872ebb808f51192d8c4656f3390e15386d7ed9dbd77a224780f5181e37a5b157f0a02096612b1ac83f1d3f0d8c33070748dd4af015234ce5e

Download Submit
memory/2316-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2316-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2316-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2316-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2316-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2316-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2576-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2576-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2576-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2576-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2576-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2744-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads