tofsee | d7aff3bd4f728633f95b10819fd19809f9ebb5dba0e989db424a1e1a972d7ee3

Analysis

max time kernel
144s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 09:28

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General

Target

2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe
Size

12.2MB
MD5

a9343ac4629f6571ded4698ac1b1701c
SHA1

2e82080cb3f51d9ac04f4740c2bc97123588b936
SHA256

d7aff3bd4f728633f95b10819fd19809f9ebb5dba0e989db424a1e1a972d7ee3
SHA512

cc7e1872797d4de49d47c3e0b3d9e59ad56aa68f077b2046452d9f161b2bae5f902b511461daa19243b7c0f7dcdfb985dfb6b4e39263431cb11e61561bac94af
SSDEEP

6144:fLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQI:ETYe+D2jFu+iZoUFhAz

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\kgxdfaij = "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
2708	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\kgxdfaij\ImagePath = "C:\\Windows\\SysWOW64\\kgxdfaij\\pgomwrym.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2796	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2616	pgomwrym.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2616 set thread context of 2796	2616	pgomwrym.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2304	sc.exe
2804	sc.exe
2104	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	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_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	pgomwrym.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 1488	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	31
PID 2436 wrote to memory of 1488	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	31
PID 2436 wrote to memory of 1488	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	31
PID 2436 wrote to memory of 1488	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	31
PID 2436 wrote to memory of 2100	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	33
PID 2436 wrote to memory of 2100	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	33
PID 2436 wrote to memory of 2100	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	33
PID 2436 wrote to memory of 2100	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	33
PID 2436 wrote to memory of 2304	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	35
PID 2436 wrote to memory of 2304	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	35
PID 2436 wrote to memory of 2304	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	35
PID 2436 wrote to memory of 2304	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	35
PID 2436 wrote to memory of 2804	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	37
PID 2436 wrote to memory of 2804	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	37
PID 2436 wrote to memory of 2804	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	37
PID 2436 wrote to memory of 2804	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	37
PID 2436 wrote to memory of 2104	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	39
PID 2436 wrote to memory of 2104	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	39
PID 2436 wrote to memory of 2104	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	39
PID 2436 wrote to memory of 2104	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	39
PID 2436 wrote to memory of 2708	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	42
PID 2436 wrote to memory of 2708	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	42
PID 2436 wrote to memory of 2708	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	42
PID 2436 wrote to memory of 2708	2436	2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe	42
PID 2616 wrote to memory of 2796	2616	pgomwrym.exe	44
PID 2616 wrote to memory of 2796	2616	pgomwrym.exe	44
PID 2616 wrote to memory of 2796	2616	pgomwrym.exe	44
PID 2616 wrote to memory of 2796	2616	pgomwrym.exe	44
PID 2616 wrote to memory of 2796	2616	pgomwrym.exe	44
PID 2616 wrote to memory of 2796	2616	pgomwrym.exe	44

C:\Users\Admin\AppData\Local\Temp\2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kgxdfaij\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1488
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pgomwrym.exe" C:\Windows\SysWOW64\kgxdfaij\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2100
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create kgxdfaij binPath= "C:\Windows\SysWOW64\kgxdfaij\pgomwrym.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2304
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description kgxdfaij "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start kgxdfaij
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2104
- 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:2708

C:\Windows\SysWOW64\kgxdfaij\pgomwrym.exe
C:\Windows\SysWOW64\kgxdfaij\pgomwrym.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-24_a9343ac4629f6571ded4698ac1b1701c_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2616
- 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\pgomwrym.exe

Filesize
11.7MB

MD5
2e23d5360217eedbe617f05a033c13f1

SHA1
8acdb3162d411a4828280d3893fa06d59b03017e

SHA256
8d907c856a70942c026db579f46d3ac49c03d6b307ee091716b1cb7ab5d586e8

SHA512
5a3e6a59c9c81989c7b3435a908c5fa1c38535286ee6dd1e95b112d4ec125760b540a416540161d563c5ade25e81d1ee8a68278ffd796b439377196144110bd3

Download Submit
memory/2436-7-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2436-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2436-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2436-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2436-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2436-1-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/2616-15-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2796-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2796-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2796-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2796-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

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

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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