tofsee | 18ebe3f7d3f848fe6037aff6c04c6967a58dd1096357a4044a5fa81035f35d02

General

Target

2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe
Size

11.1MB
MD5

46bbbdfd4a666961635714db78cea599
SHA1

833ce3ae49ccde9035eebf0b064bc7e9c1642217
SHA256

18ebe3f7d3f848fe6037aff6c04c6967a58dd1096357a4044a5fa81035f35d02
SHA512

376915dedd4841e6dc6b7c4461d14aefd8737d549853f929a8272c3a63dfbe00901645cc0146008716c1ccf99ee07e6ca74b168c813bbda69609af984d2bd9db
SSDEEP

3072:uLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:3OMdRQr7OB0ypmMXnl8XEPM3noSWOC

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
944	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\dtsqppfy\ImagePath = "C:\\Windows\\SysWOW64\\dtsqppfy\\xjiwhrzt.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe

Deletes itself 1 IoCs

pid	Process
1452	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2168	xjiwhrzt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2168 set thread context of 1452	2168	xjiwhrzt.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
4160	sc.exe
4524	sc.exe
2456	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
1756	1608	WerFault.exe	81
3164	2168	WerFault.exe	94

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	2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xjiwhrzt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 4576	1608	2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe	82
PID 1608 wrote to memory of 4576	1608	2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe	82
PID 1608 wrote to memory of 4576	1608	2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe	82
PID 1608 wrote to memory of 4528	1608	2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe	84
PID 1608 wrote to memory of 4528	1608	2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe	84
PID 1608 wrote to memory of 4528	1608	2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe	84
PID 1608 wrote to memory of 4160	1608	2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe	86
PID 1608 wrote to memory of 4160	1608	2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe	86
PID 1608 wrote to memory of 4160	1608	2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe	86
PID 1608 wrote to memory of 4524	1608	2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe	90
PID 1608 wrote to memory of 4524	1608	2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe	90
PID 1608 wrote to memory of 4524	1608	2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe	90
PID 1608 wrote to memory of 2456	1608	2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe	92
PID 1608 wrote to memory of 2456	1608	2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe	92
PID 1608 wrote to memory of 2456	1608	2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe	92
PID 1608 wrote to memory of 944	1608	2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe	96
PID 1608 wrote to memory of 944	1608	2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe	96
PID 1608 wrote to memory of 944	1608	2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe	96
PID 2168 wrote to memory of 1452	2168	xjiwhrzt.exe	102
PID 2168 wrote to memory of 1452	2168	xjiwhrzt.exe	102
PID 2168 wrote to memory of 1452	2168	xjiwhrzt.exe	102
PID 2168 wrote to memory of 1452	2168	xjiwhrzt.exe	102
PID 2168 wrote to memory of 1452	2168	xjiwhrzt.exe	102

C:\Users\Admin\AppData\Local\Temp\2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dtsqppfy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4576
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xjiwhrzt.exe" C:\Windows\SysWOW64\dtsqppfy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4528
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dtsqppfy binPath= "C:\Windows\SysWOW64\dtsqppfy\xjiwhrzt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4160
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dtsqppfy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4524
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dtsqppfy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2456
- 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:944
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 1268
  2⤵
  - Program crash
  PID:1756

C:\Windows\SysWOW64\dtsqppfy\xjiwhrzt.exe
C:\Windows\SysWOW64\dtsqppfy\xjiwhrzt.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-26_46bbbdfd4a666961635714db78cea599_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1452
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 512
  2⤵
  - Program crash
  PID:3164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1608 -ip 1608
1⤵
PID:448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2168 -ip 2168
1⤵
PID:4380

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
11.5MB

MD5
301e2706dc1fd67d639f69376a24a320

SHA1
caba62563befc86a8762929a38fdd3f5c346eb48

SHA256
4de67356791f43cec40212ccad04c7d1bf0a3b74d3aa1a5b904d13fb1750ed77

SHA512
06fb8e2a90f93e6068a5d4b9620dc759783d9b6e13f119b63b00706c49b31dcbbe5c7613efedf5c522c11531a1e67970486ff017857a12657b404b18245d86c9

Download Submit
memory/1452-14-0x0000000000F30000-0x0000000000F45000-memory.dmp

Filesize
84KB

Download
memory/1452-17-0x0000000000F30000-0x0000000000F45000-memory.dmp

Filesize
84KB

Download
memory/1452-16-0x0000000000F30000-0x0000000000F45000-memory.dmp

Filesize
84KB

Download
memory/1608-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1608-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1608-1-0x0000000000730000-0x0000000000830000-memory.dmp

Filesize
1024KB

Download
memory/1608-8-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/1608-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1608-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/2168-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2168-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2168-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2168-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads