tofsee | abadc617e8a448d3c4c6a6137202bb4fdbaae647610b36c9abbfa91aab40239d

General

Target

2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe
Size

14.8MB
MD5

d4364d05e95824b67db490a8d95f9fdd
SHA1

ef331c4235f32556a897c8b88f147358b968cccc
SHA256

abadc617e8a448d3c4c6a6137202bb4fdbaae647610b36c9abbfa91aab40239d
SHA512

8f12bb9a3d3eb20b63946eb2a34fd3d6542383bd1ed85744f71b7945a88f559c6a15fd6cdc2483a3bec7edf96374f5bfadd2cdcd00b4937997facb12865ca830
SSDEEP

3072:kLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:hOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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
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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2136	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\wdyqakbo\ImagePath = "C:\\Windows\\SysWOW64\\wdyqakbo\\qhpnxszn.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe

Deletes itself 1 IoCs

pid	Process
2700	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1188	qhpnxszn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1188 set thread context of 2700	1188	qhpnxszn.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
4448	sc.exe
3620	sc.exe
664	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
1472	3872	WerFault.exe	81
2344	1188	WerFault.exe	92

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	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	qhpnxszn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3872 wrote to memory of 4140	3872	2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe	82
PID 3872 wrote to memory of 4140	3872	2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe	82
PID 3872 wrote to memory of 4140	3872	2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe	82
PID 3872 wrote to memory of 2628	3872	2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe	84
PID 3872 wrote to memory of 2628	3872	2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe	84
PID 3872 wrote to memory of 2628	3872	2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe	84
PID 3872 wrote to memory of 3620	3872	2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe	86
PID 3872 wrote to memory of 3620	3872	2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe	86
PID 3872 wrote to memory of 3620	3872	2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe	86
PID 3872 wrote to memory of 664	3872	2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe	88
PID 3872 wrote to memory of 664	3872	2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe	88
PID 3872 wrote to memory of 664	3872	2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe	88
PID 3872 wrote to memory of 4448	3872	2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe	90
PID 3872 wrote to memory of 4448	3872	2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe	90
PID 3872 wrote to memory of 4448	3872	2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe	90
PID 3872 wrote to memory of 2136	3872	2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe	93
PID 3872 wrote to memory of 2136	3872	2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe	93
PID 3872 wrote to memory of 2136	3872	2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe	93
PID 1188 wrote to memory of 2700	1188	qhpnxszn.exe	98
PID 1188 wrote to memory of 2700	1188	qhpnxszn.exe	98
PID 1188 wrote to memory of 2700	1188	qhpnxszn.exe	98
PID 1188 wrote to memory of 2700	1188	qhpnxszn.exe	98
PID 1188 wrote to memory of 2700	1188	qhpnxszn.exe	98

C:\Users\Admin\AppData\Local\Temp\2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3872
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wdyqakbo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4140
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qhpnxszn.exe" C:\Windows\SysWOW64\wdyqakbo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2628
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wdyqakbo binPath= "C:\Windows\SysWOW64\wdyqakbo\qhpnxszn.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3620
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wdyqakbo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:664
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wdyqakbo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4448
- 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:2136
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3872 -s 896
  2⤵
  - Program crash
  PID:1472

C:\Windows\SysWOW64\wdyqakbo\qhpnxszn.exe
C:\Windows\SysWOW64\wdyqakbo\qhpnxszn.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-30_d4364d05e95824b67db490a8d95f9fdd_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1188 -s 512
  2⤵
  - Program crash
  PID:2344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3872 -ip 3872
1⤵
PID:4856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1188 -ip 1188
1⤵
PID:2920

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\qhpnxszn.exe

Filesize
10.2MB

MD5
7191396f7b6fec77fd9b21c20e92a95f

SHA1
616242130ebbae912d99c9309654790f7ba6e9f2

SHA256
c28e6537c08d928d5ad4c3c8bbdf7a37dbf82a1233c1c6392c17df7d4fb02650

SHA512
dc717a40efdfd70851ef7fd465d84e95d92ab4247b573b50531e227f00d7a39c0d57815699282ccf2345a745fef088f2e615f1e9affca798c7bf6e6418b3390d

Download Submit
memory/1188-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1188-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1188-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1188-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2700-14-0x00000000006F0000-0x0000000000705000-memory.dmp

Filesize
84KB

Download
memory/2700-16-0x00000000006F0000-0x0000000000705000-memory.dmp

Filesize
84KB

Download
memory/2700-17-0x00000000006F0000-0x0000000000705000-memory.dmp

Filesize
84KB

Download
memory/3872-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3872-2-0x00000000001E0000-0x00000000001F3000-memory.dmp

Filesize
76KB

Download
memory/3872-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3872-8-0x00000000001E0000-0x00000000001F3000-memory.dmp

Filesize
76KB

Download
memory/3872-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3872-1-0x0000000000630000-0x0000000000730000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads