tofsee | e0ba128a036a2cd1f4100d7f12f8e5b09c083afc8e1edd5dd1fabc23cfedcbd8

General

Target

2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe
Size

11.7MB
MD5

bb484f2658e25cf47716a1aa2ecaad68
SHA1

7570818d2ccf234623d65fb86a9abe0ebecc5386
SHA256

e0ba128a036a2cd1f4100d7f12f8e5b09c083afc8e1edd5dd1fabc23cfedcbd8
SHA512

6966e6e0e07fad2748f956f2305c22b6f7ed62503f3ad5a7bbbcd4c91949016ae31c610406a43dfb2fe553a5ce4e7b81ae717d0024482860f55efa52e1544d69
SSDEEP

196608:NyXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXn:YXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX3

Score

10^/10

tofsee defense_evasion discovery 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
Tofsee family
tofsee
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
1820	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\zqijdim\ImagePath = "C:\\Windows\\SysWOW64\\zqijdim\\fncgtraa.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe

Deletes itself 1 IoCs

pid	Process
4896	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
5008	fncgtraa.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5008 set thread context of 4896	5008	fncgtraa.exe	97

Launches sc.exe 3 IoCs

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

pid	Process
4780	sc.exe
4972	sc.exe
1108	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	fncgtraa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 632	2620	2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe	83
PID 2620 wrote to memory of 632	2620	2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe	83
PID 2620 wrote to memory of 632	2620	2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe	83
PID 2620 wrote to memory of 1832	2620	2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe	85
PID 2620 wrote to memory of 1832	2620	2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe	85
PID 2620 wrote to memory of 1832	2620	2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe	85
PID 2620 wrote to memory of 4780	2620	2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe	87
PID 2620 wrote to memory of 4780	2620	2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe	87
PID 2620 wrote to memory of 4780	2620	2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe	87
PID 2620 wrote to memory of 4972	2620	2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe	89
PID 2620 wrote to memory of 4972	2620	2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe	89
PID 2620 wrote to memory of 4972	2620	2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe	89
PID 2620 wrote to memory of 1108	2620	2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe	92
PID 2620 wrote to memory of 1108	2620	2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe	92
PID 2620 wrote to memory of 1108	2620	2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe	92
PID 2620 wrote to memory of 1820	2620	2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe	95
PID 2620 wrote to memory of 1820	2620	2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe	95
PID 2620 wrote to memory of 1820	2620	2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe	95
PID 5008 wrote to memory of 4896	5008	fncgtraa.exe	97
PID 5008 wrote to memory of 4896	5008	fncgtraa.exe	97
PID 5008 wrote to memory of 4896	5008	fncgtraa.exe	97
PID 5008 wrote to memory of 4896	5008	fncgtraa.exe	97
PID 5008 wrote to memory of 4896	5008	fncgtraa.exe	97

C:\Users\Admin\AppData\Local\Temp\2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zqijdim\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:632
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fncgtraa.exe" C:\Windows\SysWOW64\zqijdim\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1832
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zqijdim binPath= "C:\Windows\SysWOW64\zqijdim\fncgtraa.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4780
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zqijdim "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4972
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zqijdim
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1108
- 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:1820

C:\Windows\SysWOW64\zqijdim\fncgtraa.exe
C:\Windows\SysWOW64\zqijdim\fncgtraa.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-27_bb484f2658e25cf47716a1aa2ecaad68_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5008
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4896

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\fncgtraa.exe

Filesize
14.0MB

MD5
53bb2044fb630062f53aed63f9b1b4ff

SHA1
ea7bea9a1adc71a771ae3067a50f6febe02a2ebc

SHA256
780334a5a543e9862f826010ae83a5bf33e1638c4b3a6d346b6c5251809c1d39

SHA512
a41d7b2bb12804b0d1b6a1670746aa98389acd970a03dfea722a89d4324a9b387218801409f89bdef79afebbf6c969a541dd0ae9e0cde3d2bfd120a1041b1321

Download Submit
memory/2620-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2620-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2620-2-0x00000000004B0000-0x00000000004C3000-memory.dmp

Filesize
76KB

Download
memory/2620-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2620-9-0x00000000004B0000-0x00000000004C3000-memory.dmp

Filesize
76KB

Download
memory/2620-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/4896-12-0x0000000000930000-0x0000000000945000-memory.dmp

Filesize
84KB

Download
memory/4896-16-0x0000000000930000-0x0000000000945000-memory.dmp

Filesize
84KB

Download
memory/4896-19-0x0000000000930000-0x0000000000945000-memory.dmp

Filesize
84KB

Download
memory/4896-20-0x0000000000930000-0x0000000000945000-memory.dmp

Filesize
84KB

Download
memory/5008-18-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/5008-11-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads