tofsee | d964d79c457a25804009d5d23d8a4552b08baefb122eeb64a2514e169f7eadfa

General

Target

2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe
Size

14.8MB
MD5

2fed4f867f1b3b5a3f1fe632c09160f0
SHA1

b5209a5cfc4f2ebe1a39041675c7d985fc4dbbea
SHA256

d964d79c457a25804009d5d23d8a4552b08baefb122eeb64a2514e169f7eadfa
SHA512

74809b8a70806be6df304181ce9dd3762203cfcc7eb34d13d4a9fae334f860d887184eabab4343ecfbf738c18ea4a409c7c148b398b15b9985a5db8abef01b7c
SSDEEP

6144:7+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:7+r1IeSXMXc7LlxWV4Ug97GZ+ej

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
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

Processes:

netsh.exe

pid process

4976 netsh.exe

pid	process
4976	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\gmruvdix\ImagePath = "C:\\Windows\\SysWOW64\\gmruvdix\\wngjqdpo.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

3476 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

wngjqdpo.exe

pid process

3528 wngjqdpo.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

wngjqdpo.exe

description pid process target process

PID 3528 set thread context of 3476 3528 wngjqdpo.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

116 sc.exe
4084 sc.exe
1128 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3476	svchost.exe

pid	process
3528	wngjqdpo.exe

description	pid	process	target process
PID 3528 set thread context of 3476	3528	wngjqdpo.exe	svchost.exe

pid	process
116	sc.exe
4084	sc.exe
1128	sc.exe

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

Processes:

netsh.exe

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

Processes:

2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.execmd.exesc.exesc.exewngjqdpo.execmd.exesc.exesvchost.exenetsh.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_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	wngjqdpo.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exewngjqdpo.exe

description	pid	process	target process
PID 2724 wrote to memory of 404	2724	2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe	cmd.exe
PID 2724 wrote to memory of 404	2724	2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe	cmd.exe
PID 2724 wrote to memory of 404	2724	2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe	cmd.exe
PID 2724 wrote to memory of 4224	2724	2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe	cmd.exe
PID 2724 wrote to memory of 4224	2724	2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe	cmd.exe
PID 2724 wrote to memory of 4224	2724	2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe	cmd.exe
PID 2724 wrote to memory of 116	2724	2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe	sc.exe
PID 2724 wrote to memory of 116	2724	2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe	sc.exe
PID 2724 wrote to memory of 116	2724	2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe	sc.exe
PID 2724 wrote to memory of 4084	2724	2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe	sc.exe
PID 2724 wrote to memory of 4084	2724	2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe	sc.exe
PID 2724 wrote to memory of 4084	2724	2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe	sc.exe
PID 2724 wrote to memory of 1128	2724	2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe	sc.exe
PID 2724 wrote to memory of 1128	2724	2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe	sc.exe
PID 2724 wrote to memory of 1128	2724	2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe	sc.exe
PID 2724 wrote to memory of 4976	2724	2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe	netsh.exe
PID 2724 wrote to memory of 4976	2724	2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe	netsh.exe
PID 2724 wrote to memory of 4976	2724	2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe	netsh.exe
PID 3528 wrote to memory of 3476	3528	wngjqdpo.exe	svchost.exe
PID 3528 wrote to memory of 3476	3528	wngjqdpo.exe	svchost.exe
PID 3528 wrote to memory of 3476	3528	wngjqdpo.exe	svchost.exe
PID 3528 wrote to memory of 3476	3528	wngjqdpo.exe	svchost.exe
PID 3528 wrote to memory of 3476	3528	wngjqdpo.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gmruvdix\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:404
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wngjqdpo.exe" C:\Windows\SysWOW64\gmruvdix\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4224
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gmruvdix binPath= "C:\Windows\SysWOW64\gmruvdix\wngjqdpo.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:116
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gmruvdix "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4084
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gmruvdix
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1128
- 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:4976

C:\Windows\SysWOW64\gmruvdix\wngjqdpo.exe
C:\Windows\SysWOW64\gmruvdix\wngjqdpo.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-09-24_2fed4f867f1b3b5a3f1fe632c09160f0_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3528
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\wngjqdpo.exe

Filesize
11.7MB

MD5
6bb42c2ece15f514fb604569d1967544

SHA1
9b0182609d9074292e3db904f58eeb26399fa212

SHA256
bf0653d0ab6e89ca37abe0b19029a048cd282beec48eea79c239a36f114bdb2b

SHA512
d2db3b434edab31d5763d9fb79f50840c222abdc024b7e78688fff757f7eea1a44f0e2df60f378947d7b8d9ea4a0b13ea16aa58c4cb5bdc8fb07fc12ba757a8b

Download Submit
memory/2724-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2724-7-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2724-6-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2724-1-0x0000000000720000-0x0000000000820000-memory.dmp

Filesize
1024KB

Download
memory/3476-11-0x0000000000650000-0x0000000000665000-memory.dmp

Filesize
84KB

Download
memory/3476-18-0x0000000000650000-0x0000000000665000-memory.dmp

Filesize
84KB

Download
memory/3476-14-0x0000000000650000-0x0000000000665000-memory.dmp

Filesize
84KB

Download
memory/3476-16-0x0000000000650000-0x0000000000665000-memory.dmp

Filesize
84KB

Download
memory/3476-17-0x0000000000650000-0x0000000000665000-memory.dmp

Filesize
84KB

Download
memory/3528-10-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/3528-15-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/3528-9-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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