tofsee | 1f44bd12254ee5f6bb61ea433d76ab8e00a6f1d8c33e3a9e4abcaba508e1fefe

General

Target

2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe
Size

13.7MB
MD5

36ad0603776f34d90e13324ccdf9732b
SHA1

d8248c185a92b9318d70a71804ebca51553f23ed
SHA256

1f44bd12254ee5f6bb61ea433d76ab8e00a6f1d8c33e3a9e4abcaba508e1fefe
SHA512

63679de0e5bafc340ba3d739622f80d4195e65c1631f2e525ea1696a8d6ae3e4f19365e6083ae4bd45cf36796416cce53c650aeaa35d9ff9f85c45f56b27194d
SSDEEP

3072:wLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:NOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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
4872	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\lbbsdhcz\ImagePath = "C:\\Windows\\SysWOW64\\lbbsdhcz\\zeojdpmo.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe

Deletes itself 1 IoCs

pid	Process
2760	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1540	zeojdpmo.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1540 set thread context of 2760	1540	zeojdpmo.exe	106

Launches sc.exe 3 IoCs

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

pid	Process
408	sc.exe
4536	sc.exe
716	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4216	5068	WerFault.exe	81
2708	1540	WerFault.exe	96

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	2025-01-21_36ad0603776f34d90e13324ccdf9732b_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	svchost.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zeojdpmo.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 5068 wrote to memory of 5084	5068	2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe	84
PID 5068 wrote to memory of 5084	5068	2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe	84
PID 5068 wrote to memory of 5084	5068	2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe	84
PID 5068 wrote to memory of 1900	5068	2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe	86
PID 5068 wrote to memory of 1900	5068	2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe	86
PID 5068 wrote to memory of 1900	5068	2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe	86
PID 5068 wrote to memory of 408	5068	2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe	88
PID 5068 wrote to memory of 408	5068	2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe	88
PID 5068 wrote to memory of 408	5068	2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe	88
PID 5068 wrote to memory of 4536	5068	2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe	90
PID 5068 wrote to memory of 4536	5068	2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe	90
PID 5068 wrote to memory of 4536	5068	2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe	90
PID 5068 wrote to memory of 716	5068	2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe	94
PID 5068 wrote to memory of 716	5068	2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe	94
PID 5068 wrote to memory of 716	5068	2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe	94
PID 5068 wrote to memory of 4872	5068	2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe	97
PID 5068 wrote to memory of 4872	5068	2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe	97
PID 5068 wrote to memory of 4872	5068	2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe	97
PID 1540 wrote to memory of 2760	1540	zeojdpmo.exe	106
PID 1540 wrote to memory of 2760	1540	zeojdpmo.exe	106
PID 1540 wrote to memory of 2760	1540	zeojdpmo.exe	106
PID 1540 wrote to memory of 2760	1540	zeojdpmo.exe	106
PID 1540 wrote to memory of 2760	1540	zeojdpmo.exe	106

C:\Users\Admin\AppData\Local\Temp\2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lbbsdhcz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5084
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zeojdpmo.exe" C:\Windows\SysWOW64\lbbsdhcz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1900
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lbbsdhcz binPath= "C:\Windows\SysWOW64\lbbsdhcz\zeojdpmo.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:408
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lbbsdhcz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4536
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lbbsdhcz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:716
- 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:4872
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 668
  2⤵
  - Program crash
  PID:4216

C:\Windows\SysWOW64\lbbsdhcz\zeojdpmo.exe
C:\Windows\SysWOW64\lbbsdhcz\zeojdpmo.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-21_36ad0603776f34d90e13324ccdf9732b_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1540
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2760
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1540 -s 252
  2⤵
  - Program crash
  PID:2708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5068 -ip 5068
1⤵
PID:3932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1540 -ip 1540
1⤵
PID:1680

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\zeojdpmo.exe

Filesize
10.3MB

MD5
6430f657f348909da51eec4054e509c9

SHA1
484579702bc414420f1f12749733a0dd7075efb1

SHA256
88258ffcb140f07573564924db08602730922cc7cba1d0734d493654dd17d5b7

SHA512
21408a8dc2fd0899cacf346058be1361a1283a122735c024904a5b61825a2f09537e107f694d14f99dcb0fc2dd8c36c8a397e26a67c4322659842581ee989c16

Download Submit
memory/1540-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1540-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1540-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1540-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2760-14-0x0000000001100000-0x0000000001115000-memory.dmp

Filesize
84KB

Download
memory/2760-16-0x0000000001100000-0x0000000001115000-memory.dmp

Filesize
84KB

Download
memory/2760-17-0x0000000001100000-0x0000000001115000-memory.dmp

Filesize
84KB

Download
memory/5068-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/5068-2-0x0000000000890000-0x00000000008A3000-memory.dmp

Filesize
76KB

Download
memory/5068-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/5068-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/5068-8-0x0000000000890000-0x00000000008A3000-memory.dmp

Filesize
76KB

Download
memory/5068-1-0x0000000000460000-0x0000000000560000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads