tofsee | 7b3a0088f35d5ef6cdc2484c301a0ef9266e7ac3536eed8a5037461fc8418b2e

Analysis

max time kernel
148s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04/02/2025, 09:51

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General

Target

2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe
Size

10.0MB
MD5

82056a733cfd65f172ab2a7fda3fecb3
SHA1

1e2544d3b56c5c642dd872000849b01bfdd7c774
SHA256

7b3a0088f35d5ef6cdc2484c301a0ef9266e7ac3536eed8a5037461fc8418b2e
SHA512

6a3d6ca425d576133726e0418ffad9f08bbf69cf61cefe881b6749ef9389503772de82be78d36bff662935fb81b759539dc92b8425bf42bb8ce4707af3308c07
SSDEEP

24576:h6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ4:IWdLQkW

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\wrnqwlqv = "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
2860	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\wrnqwlqv\ImagePath = "C:\\Windows\\SysWOW64\\wrnqwlqv\\uptlbmom.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
796	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2816	uptlbmom.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2816 set thread context of 796	2816	uptlbmom.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2836	sc.exe
2720	sc.exe
2988	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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uptlbmom.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 2704	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	30
PID 1664 wrote to memory of 2704	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	30
PID 1664 wrote to memory of 2704	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	30
PID 1664 wrote to memory of 2704	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	30
PID 1664 wrote to memory of 2380	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	32
PID 1664 wrote to memory of 2380	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	32
PID 1664 wrote to memory of 2380	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	32
PID 1664 wrote to memory of 2380	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	32
PID 1664 wrote to memory of 2836	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	34
PID 1664 wrote to memory of 2836	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	34
PID 1664 wrote to memory of 2836	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	34
PID 1664 wrote to memory of 2836	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	34
PID 1664 wrote to memory of 2720	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	36
PID 1664 wrote to memory of 2720	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	36
PID 1664 wrote to memory of 2720	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	36
PID 1664 wrote to memory of 2720	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	36
PID 1664 wrote to memory of 2988	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	38
PID 1664 wrote to memory of 2988	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	38
PID 1664 wrote to memory of 2988	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	38
PID 1664 wrote to memory of 2988	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	38
PID 1664 wrote to memory of 2860	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	40
PID 1664 wrote to memory of 2860	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	40
PID 1664 wrote to memory of 2860	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	40
PID 1664 wrote to memory of 2860	1664	2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe	40
PID 2816 wrote to memory of 796	2816	uptlbmom.exe	43
PID 2816 wrote to memory of 796	2816	uptlbmom.exe	43
PID 2816 wrote to memory of 796	2816	uptlbmom.exe	43
PID 2816 wrote to memory of 796	2816	uptlbmom.exe	43
PID 2816 wrote to memory of 796	2816	uptlbmom.exe	43
PID 2816 wrote to memory of 796	2816	uptlbmom.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wrnqwlqv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2704
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uptlbmom.exe" C:\Windows\SysWOW64\wrnqwlqv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2380
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wrnqwlqv binPath= "C:\Windows\SysWOW64\wrnqwlqv\uptlbmom.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2836
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wrnqwlqv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2720
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wrnqwlqv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2988
- 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:2860

C:\Windows\SysWOW64\wrnqwlqv\uptlbmom.exe
C:\Windows\SysWOW64\wrnqwlqv\uptlbmom.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-04_82056a733cfd65f172ab2a7fda3fecb3_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- 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:796

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\uptlbmom.exe

Filesize
13.7MB

MD5
22d982c303e829d4a7186569d15422aa

SHA1
9316085c114a6331b1b407619c7de3c6925dd8ef

SHA256
fb1a6b9fd404a4386257d8aa887b58571eb4c8cbae7442cfd442f1890a724418

SHA512
b3f5e25cc196b16e41974e2a4de6e9353432c7e96bcc95a3350ebde0d34ec02e81a3a53e5f081fe43c52e750aa72e164911d121f955a773e8ef561e723e2a218

Download Submit
memory/796-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/796-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/796-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/796-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/796-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/796-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1664-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1664-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1664-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1664-7-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1664-6-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1664-1-0x00000000004F0000-0x00000000005F0000-memory.dmp

Filesize
1024KB

Download
memory/2816-15-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads