tofsee | 103f257a6c4a8617124389d69bc1ae7315e8c0d773548b1eed2d4a4044bdd2be

Analysis

max time kernel
148s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26-01-2025 18:30

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General

Target

2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe
Size

10.3MB
MD5

6dd13a57c6a06a93be7ae34d9cb92a6a
SHA1

4a7551506dcd411a6385e2a985ba4429de2f63ea
SHA256

103f257a6c4a8617124389d69bc1ae7315e8c0d773548b1eed2d4a4044bdd2be
SHA512

8dfcb3439993a08c21330a926ef161ff0a81f05879a81baad13bfb025c414f161d18590717277ae0c34fd4113caa66cc524589ee919a572936273ad0fa105cc9
SSDEEP

49152:RqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPn:RqtYc3

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\jfbrmbpg = "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
2876	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\jfbrmbpg\ImagePath = "C:\\Windows\\SysWOW64\\jfbrmbpg\\adjdsdou.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2860	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2852	adjdsdou.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2852 set thread context of 2860	2852	adjdsdou.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2888	sc.exe
2156	sc.exe
2948	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	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	adjdsdou.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 2440	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	29
PID 2008 wrote to memory of 2440	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	29
PID 2008 wrote to memory of 2440	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	29
PID 2008 wrote to memory of 2440	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	29
PID 2008 wrote to memory of 2172	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	31
PID 2008 wrote to memory of 2172	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	31
PID 2008 wrote to memory of 2172	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	31
PID 2008 wrote to memory of 2172	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	31
PID 2008 wrote to memory of 2156	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	33
PID 2008 wrote to memory of 2156	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	33
PID 2008 wrote to memory of 2156	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	33
PID 2008 wrote to memory of 2156	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	33
PID 2008 wrote to memory of 2948	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	35
PID 2008 wrote to memory of 2948	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	35
PID 2008 wrote to memory of 2948	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	35
PID 2008 wrote to memory of 2948	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	35
PID 2008 wrote to memory of 2888	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	37
PID 2008 wrote to memory of 2888	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	37
PID 2008 wrote to memory of 2888	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	37
PID 2008 wrote to memory of 2888	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	37
PID 2008 wrote to memory of 2876	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	39
PID 2008 wrote to memory of 2876	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	39
PID 2008 wrote to memory of 2876	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	39
PID 2008 wrote to memory of 2876	2008	2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe	39
PID 2852 wrote to memory of 2860	2852	adjdsdou.exe	42
PID 2852 wrote to memory of 2860	2852	adjdsdou.exe	42
PID 2852 wrote to memory of 2860	2852	adjdsdou.exe	42
PID 2852 wrote to memory of 2860	2852	adjdsdou.exe	42
PID 2852 wrote to memory of 2860	2852	adjdsdou.exe	42
PID 2852 wrote to memory of 2860	2852	adjdsdou.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jfbrmbpg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2440
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\adjdsdou.exe" C:\Windows\SysWOW64\jfbrmbpg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2172
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jfbrmbpg binPath= "C:\Windows\SysWOW64\jfbrmbpg\adjdsdou.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2156
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jfbrmbpg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jfbrmbpg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2888
- 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:2876

C:\Windows\SysWOW64\jfbrmbpg\adjdsdou.exe
C:\Windows\SysWOW64\jfbrmbpg\adjdsdou.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-26_6dd13a57c6a06a93be7ae34d9cb92a6a_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2852
- 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:2860

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\adjdsdou.exe

Filesize
14.3MB

MD5
dd25f7d89c62f6b011d4781d08655106

SHA1
7480b36fec2081c2eeec3e2b0e5fa21c6d71c3f2

SHA256
038b0c81cc776b4a401ee39b5aa856a9de1b6cb675e3ac1af1d60bab12a89405

SHA512
39f0e36c78a5e0fd5f4f22ca15eb15cebc2706188a773d6b523083e14463f4f793df527dc127fb1805df3225d54b62c735f5ff11a1bce6436ca1fa07dd67fe89

Download Submit
memory/2008-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2008-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2008-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2008-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2008-9-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/2008-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/2008-6-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2852-18-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2860-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2860-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2860-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2860-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2860-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads