tofsee | 70335ad42fc07389ef9216db1ba762cf6c94961c7f09ed79d312d3598531f16b

Analysis

max time kernel
147s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-02-2025 21:19

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General

Target

2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe
Size

12.9MB
MD5

9f57f133156ab888e4634aa88b4be52a
SHA1

b57ace31ad7c3d65b207cab351a34b2b86ed9ea5
SHA256

70335ad42fc07389ef9216db1ba762cf6c94961c7f09ed79d312d3598531f16b
SHA512

35f1c030ec8031afa29ca2790e42d136c21355568c72960c579341b8396c0d87c64017751428f77643d39848720b11c5ee552b8355a5ee44c0e7857f413d3b87
SSDEEP

3072:6LBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:jOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\idnqsgrd = "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
2128	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\idnqsgrd\ImagePath = "C:\\Windows\\SysWOW64\\idnqsgrd\\kshlywff.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2816	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2948	kshlywff.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2948 set thread context of 2816	2948	kshlywff.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
3060	sc.exe
2884	sc.exe
3008	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	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kshlywff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 2464	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	30
PID 1552 wrote to memory of 2464	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	30
PID 1552 wrote to memory of 2464	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	30
PID 1552 wrote to memory of 2464	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	30
PID 1552 wrote to memory of 2212	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	32
PID 1552 wrote to memory of 2212	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	32
PID 1552 wrote to memory of 2212	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	32
PID 1552 wrote to memory of 2212	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	32
PID 1552 wrote to memory of 3008	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	34
PID 1552 wrote to memory of 3008	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	34
PID 1552 wrote to memory of 3008	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	34
PID 1552 wrote to memory of 3008	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	34
PID 1552 wrote to memory of 3060	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	36
PID 1552 wrote to memory of 3060	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	36
PID 1552 wrote to memory of 3060	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	36
PID 1552 wrote to memory of 3060	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	36
PID 1552 wrote to memory of 2884	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	38
PID 1552 wrote to memory of 2884	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	38
PID 1552 wrote to memory of 2884	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	38
PID 1552 wrote to memory of 2884	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	38
PID 1552 wrote to memory of 2128	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	40
PID 1552 wrote to memory of 2128	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	40
PID 1552 wrote to memory of 2128	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	40
PID 1552 wrote to memory of 2128	1552	2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe	40
PID 2948 wrote to memory of 2816	2948	kshlywff.exe	43
PID 2948 wrote to memory of 2816	2948	kshlywff.exe	43
PID 2948 wrote to memory of 2816	2948	kshlywff.exe	43
PID 2948 wrote to memory of 2816	2948	kshlywff.exe	43
PID 2948 wrote to memory of 2816	2948	kshlywff.exe	43
PID 2948 wrote to memory of 2816	2948	kshlywff.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1552
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\idnqsgrd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2464
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kshlywff.exe" C:\Windows\SysWOW64\idnqsgrd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2212
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create idnqsgrd binPath= "C:\Windows\SysWOW64\idnqsgrd\kshlywff.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3008
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description idnqsgrd "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3060
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start idnqsgrd
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2884
- 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:2128

C:\Windows\SysWOW64\idnqsgrd\kshlywff.exe
C:\Windows\SysWOW64\idnqsgrd\kshlywff.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_9f57f133156ab888e4634aa88b4be52a_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2948
- 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:2816

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\kshlywff.exe

Filesize
11.3MB

MD5
d250e58a20bcbc35a083f97e358c409c

SHA1
008ab5269c8113a1cc47b36cb452043e8860043a

SHA256
f0a72179100e9ad669e1aa6593d31e078f3c3bcf90c43d79a0a852c1115c75b7

SHA512
06fc600ecd9131fee52d88d498992e5682c3fa5b2052c75ac6edb26ccc9cd7f8452ab156a333e805f3e74733ff83ebafba7c0a11a63228901b5e18412a303132

Download Submit
memory/1552-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1552-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1552-1-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/1552-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1552-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1552-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2816-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2816-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2816-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2816-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2816-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2948-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads