tofsee | c1f32d2fa5838080b3f3dae0b79588eab387c8521feeb671ede6470a8c466cf7

Analysis

max time kernel
143s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-01-2025 20:40

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General

Target

2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe
Size

14.0MB
MD5

ec9274ec3a47eab2f18150dda32530eb
SHA1

40b5e3794a4c69ea44a5d887121b713cb777125c
SHA256

c1f32d2fa5838080b3f3dae0b79588eab387c8521feeb671ede6470a8c466cf7
SHA512

1128360d6f5b1801df8083c9f56fa5b1d33f49dc57838537884e25e5f297b46b83ec6991bc0066f88b851cbad327a7e42f2477ec4798115637b7fa8d33231fa1
SSDEEP

6144:DLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ4:4TYe+D2jFu+iZoUFhAz

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\zrnfyieq = "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
2276	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\zrnfyieq\ImagePath = "C:\\Windows\\SysWOW64\\zrnfyieq\\qslwdlzp.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2588	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1800	qslwdlzp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1800 set thread context of 2588	1800	qslwdlzp.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2752	sc.exe
2772	sc.exe
2824	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qslwdlzp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2132	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	31
PID 2448 wrote to memory of 2132	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	31
PID 2448 wrote to memory of 2132	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	31
PID 2448 wrote to memory of 2132	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	31
PID 2448 wrote to memory of 2492	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	33
PID 2448 wrote to memory of 2492	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	33
PID 2448 wrote to memory of 2492	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	33
PID 2448 wrote to memory of 2492	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	33
PID 2448 wrote to memory of 2752	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	35
PID 2448 wrote to memory of 2752	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	35
PID 2448 wrote to memory of 2752	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	35
PID 2448 wrote to memory of 2752	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	35
PID 2448 wrote to memory of 2772	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	37
PID 2448 wrote to memory of 2772	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	37
PID 2448 wrote to memory of 2772	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	37
PID 2448 wrote to memory of 2772	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	37
PID 2448 wrote to memory of 2824	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	39
PID 2448 wrote to memory of 2824	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	39
PID 2448 wrote to memory of 2824	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	39
PID 2448 wrote to memory of 2824	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	39
PID 2448 wrote to memory of 2276	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	42
PID 2448 wrote to memory of 2276	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	42
PID 2448 wrote to memory of 2276	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	42
PID 2448 wrote to memory of 2276	2448	2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe	42
PID 1800 wrote to memory of 2588	1800	qslwdlzp.exe	44
PID 1800 wrote to memory of 2588	1800	qslwdlzp.exe	44
PID 1800 wrote to memory of 2588	1800	qslwdlzp.exe	44
PID 1800 wrote to memory of 2588	1800	qslwdlzp.exe	44
PID 1800 wrote to memory of 2588	1800	qslwdlzp.exe	44
PID 1800 wrote to memory of 2588	1800	qslwdlzp.exe	44

C:\Users\Admin\AppData\Local\Temp\2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zrnfyieq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2132
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qslwdlzp.exe" C:\Windows\SysWOW64\zrnfyieq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2492
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zrnfyieq binPath= "C:\Windows\SysWOW64\zrnfyieq\qslwdlzp.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2752
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zrnfyieq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2772
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zrnfyieq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2824
- 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:2276

C:\Windows\SysWOW64\zrnfyieq\qslwdlzp.exe
C:\Windows\SysWOW64\zrnfyieq\qslwdlzp.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-18_ec9274ec3a47eab2f18150dda32530eb_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1800
- 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:2588

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\qslwdlzp.exe

Filesize
10.6MB

MD5
6b076874c6200d76d204917cf7c71d9a

SHA1
45879ab3bc8fcd0e5e3af42313066f5bc3160cc9

SHA256
338ea31e70c7bf2d624456f598f5e3fab2682d2c488f1640d7cd3edac83eae6b

SHA512
4df0a824f18bc63bde91b77d38b3ce11784a5e8dc668004abacde6bd3d72b1eff8a7c684800b43a922a689400be8f04ba4e1634396a7f70793fa9237677c4dab

Download Submit
memory/1800-17-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2448-13-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2448-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2448-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2448-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2448-1-0x0000000000650000-0x0000000000750000-memory.dmp

Filesize
1024KB

Download
memory/2448-14-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2588-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2588-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2588-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2588-9-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2588-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads