tofsee | 038b0c81cc776b4a401ee39b5aa856a9de1b6cb675e3ac1af1d60bab12a89405

Analysis

max time kernel
147s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 18:10

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General

Target

2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe
Size

14.3MB
MD5

dd25f7d89c62f6b011d4781d08655106
SHA1

7480b36fec2081c2eeec3e2b0e5fa21c6d71c3f2
SHA256

038b0c81cc776b4a401ee39b5aa856a9de1b6cb675e3ac1af1d60bab12a89405
SHA512

39f0e36c78a5e0fd5f4f22ca15eb15cebc2706188a773d6b523083e14463f4f793df527dc127fb1805df3225d54b62c735f5ff11a1bce6436ca1fa07dd67fe89
SSDEEP

49152:FqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:FqtYc3

Score

10^/10

tofsee discovery evasion 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

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\rvdbmof = "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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2832	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\rvdbmof\ImagePath = "C:\\Windows\\SysWOW64\\rvdbmof\\hqkphgbx.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2784	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2796	hqkphgbx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2796 set thread context of 2784	2796	hqkphgbx.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
3064	sc.exe
2624	sc.exe
2164	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	2025-01-08_dd25f7d89c62f6b011d4781d08655106_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	hqkphgbx.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 30 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 2500	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	31
PID 1768 wrote to memory of 2500	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	31
PID 1768 wrote to memory of 2500	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	31
PID 1768 wrote to memory of 2500	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	31
PID 1768 wrote to memory of 1712	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	33
PID 1768 wrote to memory of 1712	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	33
PID 1768 wrote to memory of 1712	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	33
PID 1768 wrote to memory of 1712	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	33
PID 1768 wrote to memory of 3064	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	35
PID 1768 wrote to memory of 3064	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	35
PID 1768 wrote to memory of 3064	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	35
PID 1768 wrote to memory of 3064	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	35
PID 1768 wrote to memory of 2624	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	37
PID 1768 wrote to memory of 2624	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	37
PID 1768 wrote to memory of 2624	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	37
PID 1768 wrote to memory of 2624	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	37
PID 1768 wrote to memory of 2164	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	39
PID 1768 wrote to memory of 2164	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	39
PID 1768 wrote to memory of 2164	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	39
PID 1768 wrote to memory of 2164	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	39
PID 2796 wrote to memory of 2784	2796	hqkphgbx.exe	42
PID 2796 wrote to memory of 2784	2796	hqkphgbx.exe	42
PID 2796 wrote to memory of 2784	2796	hqkphgbx.exe	42
PID 2796 wrote to memory of 2784	2796	hqkphgbx.exe	42
PID 2796 wrote to memory of 2784	2796	hqkphgbx.exe	42
PID 2796 wrote to memory of 2784	2796	hqkphgbx.exe	42
PID 1768 wrote to memory of 2832	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	43
PID 1768 wrote to memory of 2832	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	43
PID 1768 wrote to memory of 2832	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	43
PID 1768 wrote to memory of 2832	1768	2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rvdbmof\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2500
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hqkphgbx.exe" C:\Windows\SysWOW64\rvdbmof\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1712
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create rvdbmof binPath= "C:\Windows\SysWOW64\rvdbmof\hqkphgbx.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3064
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description rvdbmof "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2624
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start rvdbmof
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2164
- 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:2832

C:\Windows\SysWOW64\rvdbmof\hqkphgbx.exe
C:\Windows\SysWOW64\rvdbmof\hqkphgbx.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-08_dd25f7d89c62f6b011d4781d08655106_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2796
- 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:2784

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\hqkphgbx.exe

Filesize
14.6MB

MD5
000902790eacc0ac293c991dcdfae295

SHA1
58e9ba8e74cd2a5209c434c1a3d5ddfa2dae9f41

SHA256
8c9d73f067077892c0ffbe4778c063fc50ad6235c6e35e08e7358bb5e6751ab3

SHA512
9c9abdb9383b20f28358e8c0fcf7a4545219b5218caaf57d7dbdf93f6efb000e8d2ad135f79cabc9bfae9b33e4db37bd1fd2ba68e351523452e882f86f0ed80e

Download Submit
memory/1768-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1768-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1768-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1768-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1768-1-0x0000000002E40000-0x0000000002F40000-memory.dmp

Filesize
1024KB

Download
memory/1768-14-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2784-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2784-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2784-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2784-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2796-12-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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