tofsee | 628ccd4dbfe7d2d629dfa55028be82a83abc8708d0d21cd00609127dd719f49c

Analysis

max time kernel
144s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 20:22

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General

Target

2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe
Size

10.4MB
MD5

f93f3801be196209284d88bed8c0d70b
SHA1

21e4996492e96ac8741405f3a75af90a3cc9bc37
SHA256

628ccd4dbfe7d2d629dfa55028be82a83abc8708d0d21cd00609127dd719f49c
SHA512

102ec908e9622d1ea43a5b5fff4ccc1c5c9851ca30d538bdd1f644fea2ed8dcd1a4d8a284bbf55e2f59706476f5ad3640e7a4f58d49191e3d611dcd7ee3a767b
SSDEEP

6144:wLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ1:lTYe+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\agiksjpr = "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
2568	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\agiksjpr\ImagePath = "C:\\Windows\\SysWOW64\\agiksjpr\\cflfufqw.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2572	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2460	cflfufqw.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2460 set thread context of 2572	2460	cflfufqw.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2896	sc.exe
2724	sc.exe
2816	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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cflfufqw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 2652	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	28
PID 2968 wrote to memory of 2652	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	28
PID 2968 wrote to memory of 2652	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	28
PID 2968 wrote to memory of 2652	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	28
PID 2968 wrote to memory of 2808	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	30
PID 2968 wrote to memory of 2808	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	30
PID 2968 wrote to memory of 2808	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	30
PID 2968 wrote to memory of 2808	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	30
PID 2968 wrote to memory of 2896	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	32
PID 2968 wrote to memory of 2896	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	32
PID 2968 wrote to memory of 2896	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	32
PID 2968 wrote to memory of 2896	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	32
PID 2968 wrote to memory of 2724	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	34
PID 2968 wrote to memory of 2724	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	34
PID 2968 wrote to memory of 2724	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	34
PID 2968 wrote to memory of 2724	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	34
PID 2968 wrote to memory of 2816	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	36
PID 2968 wrote to memory of 2816	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	36
PID 2968 wrote to memory of 2816	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	36
PID 2968 wrote to memory of 2816	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	36
PID 2968 wrote to memory of 2568	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	39
PID 2968 wrote to memory of 2568	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	39
PID 2968 wrote to memory of 2568	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	39
PID 2968 wrote to memory of 2568	2968	2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe	39
PID 2460 wrote to memory of 2572	2460	cflfufqw.exe	41
PID 2460 wrote to memory of 2572	2460	cflfufqw.exe	41
PID 2460 wrote to memory of 2572	2460	cflfufqw.exe	41
PID 2460 wrote to memory of 2572	2460	cflfufqw.exe	41
PID 2460 wrote to memory of 2572	2460	cflfufqw.exe	41
PID 2460 wrote to memory of 2572	2460	cflfufqw.exe	41

C:\Users\Admin\AppData\Local\Temp\2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2968
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\agiksjpr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2652
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\cflfufqw.exe" C:\Windows\SysWOW64\agiksjpr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2808
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create agiksjpr binPath= "C:\Windows\SysWOW64\agiksjpr\cflfufqw.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2896
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description agiksjpr "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2724
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start agiksjpr
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2816
- 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:2568

C:\Windows\SysWOW64\agiksjpr\cflfufqw.exe
C:\Windows\SysWOW64\agiksjpr\cflfufqw.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_f93f3801be196209284d88bed8c0d70b_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2460
- 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:2572

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\cflfufqw.exe

Filesize
14.6MB

MD5
8d915029146b1682ab84f47c36aae3ef

SHA1
e75a49dcad7cd77787a1adc31cab5a893d6bbe8c

SHA256
578a671870a77471500c4a43f25855975c1105e8503868f229bf524f4cf23777

SHA512
4f92b6edd7d4b87cf8ea4753be1b36fb8027432b4d05c3d210068e5f7dcd37f6b3242ab4149037778e53cfa1c9af0198f3a4e8eda45927830c7e7fe3e5a0f34f

Download Submit
memory/2460-17-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2572-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2572-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2572-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2572-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2572-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2968-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2968-7-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2968-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2968-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2968-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2968-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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