tofsee | 8aeb2c30634da05e2c33aec859f61d05a3b0f69d41e76562fe37cc784fc1566c

General

Target

2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe
Size

11.1MB
MD5

c8478f4f5d94b9ac131ff2d84e5d3909
SHA1

4b7ca3f00711ea4a9c8b5aeef648044fc7e85255
SHA256

8aeb2c30634da05e2c33aec859f61d05a3b0f69d41e76562fe37cc784fc1566c
SHA512

a63d72342ad22ceba03c11a4ffe3e08c37bd9fc62ba34b0fec10bf4df22958638f54b37e2f9e3d3e0f59e2220045488b2ae7025e12d4480c13c7391b8a8a4199
SSDEEP

196608:WyXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:7XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXn

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
2388	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\kekqklnb\ImagePath = "C:\\Windows\\SysWOW64\\kekqklnb\\gibmtbpf.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe

Deletes itself 1 IoCs

pid	Process
3528	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1284	gibmtbpf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1284 set thread context of 3528	1284	gibmtbpf.exe	97

Launches sc.exe 3 IoCs

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

pid	Process
316	sc.exe
2720	sc.exe
3972	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	gibmtbpf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2572	2664	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	83
PID 2664 wrote to memory of 2572	2664	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	83
PID 2664 wrote to memory of 2572	2664	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	83
PID 2664 wrote to memory of 3420	2664	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	85
PID 2664 wrote to memory of 3420	2664	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	85
PID 2664 wrote to memory of 3420	2664	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	85
PID 2664 wrote to memory of 316	2664	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	87
PID 2664 wrote to memory of 316	2664	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	87
PID 2664 wrote to memory of 316	2664	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	87
PID 2664 wrote to memory of 2720	2664	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	89
PID 2664 wrote to memory of 2720	2664	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	89
PID 2664 wrote to memory of 2720	2664	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	89
PID 2664 wrote to memory of 3972	2664	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	92
PID 2664 wrote to memory of 3972	2664	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	92
PID 2664 wrote to memory of 3972	2664	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	92
PID 2664 wrote to memory of 2388	2664	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	95
PID 2664 wrote to memory of 2388	2664	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	95
PID 2664 wrote to memory of 2388	2664	2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe	95
PID 1284 wrote to memory of 3528	1284	gibmtbpf.exe	97
PID 1284 wrote to memory of 3528	1284	gibmtbpf.exe	97
PID 1284 wrote to memory of 3528	1284	gibmtbpf.exe	97
PID 1284 wrote to memory of 3528	1284	gibmtbpf.exe	97
PID 1284 wrote to memory of 3528	1284	gibmtbpf.exe	97

C:\Users\Admin\AppData\Local\Temp\2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kekqklnb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2572
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gibmtbpf.exe" C:\Windows\SysWOW64\kekqklnb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3420
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create kekqklnb binPath= "C:\Windows\SysWOW64\kekqklnb\gibmtbpf.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:316
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description kekqklnb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2720
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start kekqklnb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3972
- 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:2388

C:\Windows\SysWOW64\kekqklnb\gibmtbpf.exe
C:\Windows\SysWOW64\kekqklnb\gibmtbpf.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-21_c8478f4f5d94b9ac131ff2d84e5d3909_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3528

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\gibmtbpf.exe

Filesize
13.1MB

MD5
3066c5b92a450805186130e453b44db4

SHA1
e5bdf09697d3deec9088b3034d0a1656a61f1ade

SHA256
84c30591dff71b8da717c8b7958317bbabe2022f0a302a6de392c9984fe47d84

SHA512
25a8d7e5f7bc56b6fa1969e0d446eb3982c95719c329f86741c06dec328e19c688fd5c53afc3f30988a403a67ca95fdcc408c391c1148a6c3f0f34047d923788

Download Submit
memory/1284-13-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1284-20-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1284-11-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1284-12-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2664-9-0x0000000000890000-0x00000000008A3000-memory.dmp

Filesize
76KB

Download
memory/2664-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2664-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2664-1-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/2664-2-0x0000000000890000-0x00000000008A3000-memory.dmp

Filesize
76KB

Download
memory/2664-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3528-14-0x0000000000AC0000-0x0000000000AD5000-memory.dmp

Filesize
84KB

Download
memory/3528-18-0x0000000000AC0000-0x0000000000AD5000-memory.dmp

Filesize
84KB

Download
memory/3528-17-0x0000000000AC0000-0x0000000000AD5000-memory.dmp

Filesize
84KB

Download
memory/3528-21-0x0000000000AC0000-0x0000000000AD5000-memory.dmp

Filesize
84KB

Download
memory/3528-22-0x0000000000AC0000-0x0000000000AD5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads