tofsee | 0c584226400c86c79c9afd05f6eee6d7c8e24b9fa2ac8c5c94c14bcda5caf4f4

General

Target

2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe
Size

14.6MB
MD5

7822d4dadaa829018b0c167b74340e6e
SHA1

5f468af0c5575e32f87ef09a767f34ef7e3fd9eb
SHA256

0c584226400c86c79c9afd05f6eee6d7c8e24b9fa2ac8c5c94c14bcda5caf4f4
SHA512

499ad9ea86008198c2c809e5660d224bb20d6f70a6a7d8f0ba19c7b1141efe96a558b9326561e79c644da206444d87c9952fce0fb75125badd1ea3930ffa98a9
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
4648	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\hhrpvypd\ImagePath = "C:\\Windows\\SysWOW64\\hhrpvypd\\uxdxmxio.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe

Deletes itself 1 IoCs

pid	Process
4380	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1868	uxdxmxio.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1868 set thread context of 4380	1868	uxdxmxio.exe	103

Launches sc.exe 3 IoCs

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

pid	Process
5060	sc.exe
2932	sc.exe
2740	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2224	804	WerFault.exe	82
4432	1868	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uxdxmxio.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 804 wrote to memory of 5008	804	2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe	84
PID 804 wrote to memory of 5008	804	2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe	84
PID 804 wrote to memory of 5008	804	2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe	84
PID 804 wrote to memory of 2944	804	2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe	86
PID 804 wrote to memory of 2944	804	2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe	86
PID 804 wrote to memory of 2944	804	2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe	86
PID 804 wrote to memory of 5060	804	2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe	88
PID 804 wrote to memory of 5060	804	2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe	88
PID 804 wrote to memory of 5060	804	2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe	88
PID 804 wrote to memory of 2932	804	2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe	90
PID 804 wrote to memory of 2932	804	2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe	90
PID 804 wrote to memory of 2932	804	2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe	90
PID 804 wrote to memory of 2740	804	2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe	92
PID 804 wrote to memory of 2740	804	2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe	92
PID 804 wrote to memory of 2740	804	2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe	92
PID 804 wrote to memory of 4648	804	2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe	95
PID 804 wrote to memory of 4648	804	2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe	95
PID 804 wrote to memory of 4648	804	2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe	95
PID 1868 wrote to memory of 4380	1868	uxdxmxio.exe	103
PID 1868 wrote to memory of 4380	1868	uxdxmxio.exe	103
PID 1868 wrote to memory of 4380	1868	uxdxmxio.exe	103
PID 1868 wrote to memory of 4380	1868	uxdxmxio.exe	103
PID 1868 wrote to memory of 4380	1868	uxdxmxio.exe	103

C:\Users\Admin\AppData\Local\Temp\2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hhrpvypd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5008
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uxdxmxio.exe" C:\Windows\SysWOW64\hhrpvypd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2944
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hhrpvypd binPath= "C:\Windows\SysWOW64\hhrpvypd\uxdxmxio.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5060
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hhrpvypd "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2932
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hhrpvypd
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2740
- 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:4648
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 804 -s 1256
  2⤵
  - Program crash
  PID:2224

C:\Windows\SysWOW64\hhrpvypd\uxdxmxio.exe
C:\Windows\SysWOW64\hhrpvypd\uxdxmxio.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-27_7822d4dadaa829018b0c167b74340e6e_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4380
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1868 -s 532
  2⤵
  - Program crash
  PID:4432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 804 -ip 804
1⤵
PID:5036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1868 -ip 1868
1⤵
PID:2648

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\uxdxmxio.exe

Filesize
13.3MB

MD5
5343e3784264e0935c67bf0351bfa1ec

SHA1
f2dfb60f602c3a3f7515d424b6860432ea771421

SHA256
c1b31508b8f442f2f0e6c2ea42d8a4dcf114e0aa3574453bcaeedffc8ffbc217

SHA512
ce948f897f20eeacd8b82061fdf1e5d35ddf5e66c0cd620628cd8a4cf66138200954f322977dc14be3f80e2923e431ff5ef68227de10f63a512ced973cee014c

Download Submit
memory/804-8-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/804-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/804-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/804-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/804-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/804-1-0x00000000007A0000-0x00000000008A0000-memory.dmp

Filesize
1024KB

Download
memory/1868-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1868-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1868-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1868-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4380-14-0x0000000000E60000-0x0000000000E75000-memory.dmp

Filesize
84KB

Download
memory/4380-16-0x0000000000E60000-0x0000000000E75000-memory.dmp

Filesize
84KB

Download
memory/4380-17-0x0000000000E60000-0x0000000000E75000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads