tofsee | fefee86df24f3fb8b4a7603cb705123e3bac6bfabfea9389626f6ee264774c68

Analysis

max time kernel
147s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/01/2025, 19:09

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General

Target

2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe
Size

10.3MB
MD5

8fa3b30d86e1b8252415ed51098a5bb6
SHA1

4f6f2e6e1096c7516281cd71f764a52e6ced3c2d
SHA256

fefee86df24f3fb8b4a7603cb705123e3bac6bfabfea9389626f6ee264774c68
SHA512

cfda7210ff221dd3baba976e4f89d0cb40504313b3d9e7af89f8ca52c42306b67f8590a7708e5f422aeaaa76a7bcfa2a53b207c13232571be67024da4f7fe30d
SSDEEP

49152:yqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:yqtYc3

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\zlplfgyp = "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
560	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\zlplfgyp\ImagePath = "C:\\Windows\\SysWOW64\\zlplfgyp\\gftvjghz.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2840	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2632	gftvjghz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2632 set thread context of 2840	2632	gftvjghz.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2584	sc.exe
2604	sc.exe
2572	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	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gftvjghz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2888	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	31
PID 2808 wrote to memory of 2888	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	31
PID 2808 wrote to memory of 2888	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	31
PID 2808 wrote to memory of 2888	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	31
PID 2808 wrote to memory of 2848	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	33
PID 2808 wrote to memory of 2848	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	33
PID 2808 wrote to memory of 2848	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	33
PID 2808 wrote to memory of 2848	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	33
PID 2808 wrote to memory of 2584	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	35
PID 2808 wrote to memory of 2584	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	35
PID 2808 wrote to memory of 2584	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	35
PID 2808 wrote to memory of 2584	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	35
PID 2808 wrote to memory of 2604	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	37
PID 2808 wrote to memory of 2604	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	37
PID 2808 wrote to memory of 2604	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	37
PID 2808 wrote to memory of 2604	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	37
PID 2808 wrote to memory of 2572	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	39
PID 2808 wrote to memory of 2572	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	39
PID 2808 wrote to memory of 2572	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	39
PID 2808 wrote to memory of 2572	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	39
PID 2632 wrote to memory of 2840	2632	gftvjghz.exe	42
PID 2632 wrote to memory of 2840	2632	gftvjghz.exe	42
PID 2632 wrote to memory of 2840	2632	gftvjghz.exe	42
PID 2632 wrote to memory of 2840	2632	gftvjghz.exe	42
PID 2632 wrote to memory of 2840	2632	gftvjghz.exe	42
PID 2632 wrote to memory of 2840	2632	gftvjghz.exe	42
PID 2808 wrote to memory of 560	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	43
PID 2808 wrote to memory of 560	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	43
PID 2808 wrote to memory of 560	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	43
PID 2808 wrote to memory of 560	2808	2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zlplfgyp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2888
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gftvjghz.exe" C:\Windows\SysWOW64\zlplfgyp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2848
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zlplfgyp binPath= "C:\Windows\SysWOW64\zlplfgyp\gftvjghz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2584
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zlplfgyp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2604
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zlplfgyp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2572
- 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:560

C:\Windows\SysWOW64\zlplfgyp\gftvjghz.exe
C:\Windows\SysWOW64\zlplfgyp\gftvjghz.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-26_8fa3b30d86e1b8252415ed51098a5bb6_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2632
- 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:2840

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\gftvjghz.exe

Filesize
13.0MB

MD5
fe453aa70a7ea81cd68ade87fdcb762b

SHA1
22df50d1260320a677c88d89a3076a3e5079c0a5

SHA256
b697696d18e4704f94bba06e915fa04f44fec04ce6deba9a528f07ca3f3264af

SHA512
e52d99a573b0bd6df72f3a0cc94463ef3c2f3f6d0a5ca247ecdaca85026aea2e45965ea53ccf13c6b2986ea706c36904f6dd55b9b68a2995ef73a054528aff8d

Download Submit
memory/2632-13-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2808-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2808-1-0x0000000002F50000-0x0000000003050000-memory.dmp

Filesize
1024KB

Download
memory/2808-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2808-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2808-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2808-14-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2840-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2840-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2840-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2840-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2840-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads