tofsee | 2ebbb4ef6e9f5211032e4bad41c177a78da76bdcf758763ac303b4d83e337101

Analysis

max time kernel
144s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29/12/2024, 19:27

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General

Target

2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe
Size

14.0MB
MD5

a96468e58b3466b20b0c3ae964bad440
SHA1

0315c00f420825d06c91fe193dbfa8ed993b591d
SHA256

2ebbb4ef6e9f5211032e4bad41c177a78da76bdcf758763ac303b4d83e337101
SHA512

0d303dbf1b87bb3247e7c834cf169d5a30ee8cc4b0a607fd93fad78a06c0d124e95d7bea6099cb81cbad688294c2bd41c4ef2ceec5a9af1d184ee1984b8c47b4
SSDEEP

3072:MLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:pOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\qfiaceij = "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
2880	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\qfiaceij\ImagePath = "C:\\Windows\\SysWOW64\\qfiaceij\\rtmxemaq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2720	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2796	rtmxemaq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2796 set thread context of 2720	2796	rtmxemaq.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2232	sc.exe
2440	sc.exe
2684	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-29_a96468e58b3466b20b0c3ae964bad440_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rtmxemaq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 2488	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	30
PID 2920 wrote to memory of 2488	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	30
PID 2920 wrote to memory of 2488	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	30
PID 2920 wrote to memory of 2488	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	30
PID 2920 wrote to memory of 2408	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	32
PID 2920 wrote to memory of 2408	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	32
PID 2920 wrote to memory of 2408	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	32
PID 2920 wrote to memory of 2408	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	32
PID 2920 wrote to memory of 2440	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	34
PID 2920 wrote to memory of 2440	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	34
PID 2920 wrote to memory of 2440	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	34
PID 2920 wrote to memory of 2440	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	34
PID 2920 wrote to memory of 2684	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	36
PID 2920 wrote to memory of 2684	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	36
PID 2920 wrote to memory of 2684	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	36
PID 2920 wrote to memory of 2684	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	36
PID 2920 wrote to memory of 2232	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	38
PID 2920 wrote to memory of 2232	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	38
PID 2920 wrote to memory of 2232	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	38
PID 2920 wrote to memory of 2232	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	38
PID 2920 wrote to memory of 2880	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	41
PID 2920 wrote to memory of 2880	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	41
PID 2920 wrote to memory of 2880	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	41
PID 2920 wrote to memory of 2880	2920	2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe	41
PID 2796 wrote to memory of 2720	2796	rtmxemaq.exe	43
PID 2796 wrote to memory of 2720	2796	rtmxemaq.exe	43
PID 2796 wrote to memory of 2720	2796	rtmxemaq.exe	43
PID 2796 wrote to memory of 2720	2796	rtmxemaq.exe	43
PID 2796 wrote to memory of 2720	2796	rtmxemaq.exe	43
PID 2796 wrote to memory of 2720	2796	rtmxemaq.exe	43

C:\Users\Admin\AppData\Local\Temp\2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qfiaceij\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2488
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rtmxemaq.exe" C:\Windows\SysWOW64\qfiaceij\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2408
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qfiaceij binPath= "C:\Windows\SysWOW64\qfiaceij\rtmxemaq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2440
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qfiaceij "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2684
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qfiaceij
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2232
- 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:2880

C:\Windows\SysWOW64\qfiaceij\rtmxemaq.exe
C:\Windows\SysWOW64\qfiaceij\rtmxemaq.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-29_a96468e58b3466b20b0c3ae964bad440_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:2720

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\rtmxemaq.exe

Filesize
10.8MB

MD5
3e1124d904881c124168225df82bd7b9

SHA1
cf3e5fe5329b738c5f904ab4a0818d40eb74fccf

SHA256
68f3e4a6bfaa75476a4ef5e8d3dbb3031f1128b24b106140efa6aa00692d81f3

SHA512
e3296c5c29c0ee3029a1520428c60a4d1440074adab693f042de421aab9f867d39723f3ef9f49e52647d0dab28462d6e83a7a46cb0ebb69afac2a997a6ac2710

Download Submit
memory/2720-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2720-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2720-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2720-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2720-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2796-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2920-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2920-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2920-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2920-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2920-8-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2920-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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