tofsee | c48a3ee393cda9d8bcc9f3a44a7628bf1bd5178ff8d857c2c2ce6be0513261dc

Analysis

max time kernel
146s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/12/2024, 20:28

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General

Target

2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe
Size

10.6MB
MD5

85c1e10e542ad801f7673f32b752b6c9
SHA1

7e7f558016b1537ccea503ba65ed045bc0c9bc9d
SHA256

c48a3ee393cda9d8bcc9f3a44a7628bf1bd5178ff8d857c2c2ce6be0513261dc
SHA512

a99f2a1c1e4cfb8b84b56eea353cc84aa82611499cb296b6cccebd8be59aa81225c02dbadee99aed1b0684922d0808c60e9d053869cccb00d408bb512b467363
SSDEEP

3072:lLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:IOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\czekmqep = "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
2140	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\czekmqep\ImagePath = "C:\\Windows\\SysWOW64\\czekmqep\\nqwqfqbh.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2704	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2832	nqwqfqbh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2832 set thread context of 2704	2832	nqwqfqbh.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2300	sc.exe
2016	sc.exe
1800	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	sc.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	nqwqfqbh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2384	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	30
PID 2104 wrote to memory of 2384	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	30
PID 2104 wrote to memory of 2384	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	30
PID 2104 wrote to memory of 2384	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	30
PID 2104 wrote to memory of 2116	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	32
PID 2104 wrote to memory of 2116	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	32
PID 2104 wrote to memory of 2116	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	32
PID 2104 wrote to memory of 2116	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	32
PID 2104 wrote to memory of 2300	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	34
PID 2104 wrote to memory of 2300	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	34
PID 2104 wrote to memory of 2300	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	34
PID 2104 wrote to memory of 2300	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	34
PID 2104 wrote to memory of 2016	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	36
PID 2104 wrote to memory of 2016	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	36
PID 2104 wrote to memory of 2016	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	36
PID 2104 wrote to memory of 2016	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	36
PID 2104 wrote to memory of 1800	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	38
PID 2104 wrote to memory of 1800	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	38
PID 2104 wrote to memory of 1800	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	38
PID 2104 wrote to memory of 1800	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	38
PID 2832 wrote to memory of 2704	2832	nqwqfqbh.exe	41
PID 2832 wrote to memory of 2704	2832	nqwqfqbh.exe	41
PID 2832 wrote to memory of 2704	2832	nqwqfqbh.exe	41
PID 2832 wrote to memory of 2704	2832	nqwqfqbh.exe	41
PID 2832 wrote to memory of 2704	2832	nqwqfqbh.exe	41
PID 2832 wrote to memory of 2704	2832	nqwqfqbh.exe	41
PID 2104 wrote to memory of 2140	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	42
PID 2104 wrote to memory of 2140	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	42
PID 2104 wrote to memory of 2140	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	42
PID 2104 wrote to memory of 2140	2104	2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\czekmqep\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2384
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nqwqfqbh.exe" C:\Windows\SysWOW64\czekmqep\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2116
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create czekmqep binPath= "C:\Windows\SysWOW64\czekmqep\nqwqfqbh.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2300
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description czekmqep "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2016
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start czekmqep
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1800
- 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:2140

C:\Windows\SysWOW64\czekmqep\nqwqfqbh.exe
C:\Windows\SysWOW64\czekmqep\nqwqfqbh.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-27_85c1e10e542ad801f7673f32b752b6c9_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2832
- 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:2704

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\nqwqfqbh.exe

Filesize
12.1MB

MD5
ffed952f9e739a4813c058b35d60af73

SHA1
0f468ecf9e14be8091dbacb654ad31e925c932f7

SHA256
07a7bc90f050633a981da95bd9247a9a79d04d4f355ebed8453f1cf13fe2acfd

SHA512
0a8f3ad0efbcbcf749a62c2ef2904b675c3b0c5d164bcbf7a6583d882d7894073775b63d1db167febc7a6ba0117d016367dd9bc7180c4c8243660134d1732eba

Download Submit
memory/2104-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2104-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2104-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2104-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2104-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/2104-15-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2704-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2704-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2704-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2704-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2832-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads