tofsee | 254c7a5fc2f5a45a64374fb0f5a9eb834b6cc510e30cec6e1687a20a1a9a7157

General

Target

2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe
Size

13.9MB
MD5

f3a44bc30cb52a1f91e730cb059fedfa
SHA1

444732a85e3b065fc972fbcbeced19092c6c2fa2
SHA256

254c7a5fc2f5a45a64374fb0f5a9eb834b6cc510e30cec6e1687a20a1a9a7157
SHA512

07405001adc94099dd607fedc8ca11daeb7b859563269b5868332929cb887ff03c75194ac21d38704603748a751b92f7408a296e924a48c088f36fe7445217b4
SSDEEP

24576:NpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttn:noo

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
3256	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\chgbmdvb\ImagePath = "C:\\Windows\\SysWOW64\\chgbmdvb\\uwpahpdt.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-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\International\Geo\Nation	2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe

Deletes itself 1 IoCs

pid	Process
2248	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4000	uwpahpdt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4000 set thread context of 2248	4000	uwpahpdt.exe	103

Launches sc.exe 3 IoCs

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

pid	Process
5088	sc.exe
3560	sc.exe
1080	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
2412	4516	WerFault.exe	82
3784	4000	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	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	2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.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	uwpahpdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4516 wrote to memory of 2576	4516	2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe	86
PID 4516 wrote to memory of 2576	4516	2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe	86
PID 4516 wrote to memory of 2576	4516	2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe	86
PID 4516 wrote to memory of 4776	4516	2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe	88
PID 4516 wrote to memory of 4776	4516	2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe	88
PID 4516 wrote to memory of 4776	4516	2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe	88
PID 4516 wrote to memory of 5088	4516	2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe	90
PID 4516 wrote to memory of 5088	4516	2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe	90
PID 4516 wrote to memory of 5088	4516	2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe	90
PID 4516 wrote to memory of 3560	4516	2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe	92
PID 4516 wrote to memory of 3560	4516	2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe	92
PID 4516 wrote to memory of 3560	4516	2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe	92
PID 4516 wrote to memory of 1080	4516	2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe	94
PID 4516 wrote to memory of 1080	4516	2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe	94
PID 4516 wrote to memory of 1080	4516	2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe	94
PID 4516 wrote to memory of 3256	4516	2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe	97
PID 4516 wrote to memory of 3256	4516	2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe	97
PID 4516 wrote to memory of 3256	4516	2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe	97
PID 4000 wrote to memory of 2248	4000	uwpahpdt.exe	103
PID 4000 wrote to memory of 2248	4000	uwpahpdt.exe	103
PID 4000 wrote to memory of 2248	4000	uwpahpdt.exe	103
PID 4000 wrote to memory of 2248	4000	uwpahpdt.exe	103
PID 4000 wrote to memory of 2248	4000	uwpahpdt.exe	103

C:\Users\Admin\AppData\Local\Temp\2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4516
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\chgbmdvb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2576
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uwpahpdt.exe" C:\Windows\SysWOW64\chgbmdvb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4776
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create chgbmdvb binPath= "C:\Windows\SysWOW64\chgbmdvb\uwpahpdt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5088
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description chgbmdvb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3560
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start chgbmdvb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1080
- 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:3256
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4516 -s 888
  2⤵
  - Program crash
  PID:2412

C:\Windows\SysWOW64\chgbmdvb\uwpahpdt.exe
C:\Windows\SysWOW64\chgbmdvb\uwpahpdt.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_f3a44bc30cb52a1f91e730cb059fedfa_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2248
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4000 -s 512
  2⤵
  - Program crash
  PID:3784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4516 -ip 4516
1⤵
PID:4564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 4000 -ip 4000
1⤵
PID:3084

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\uwpahpdt.exe

Filesize
11.7MB

MD5
279f9077cda1940f64b5de3dbe12e9db

SHA1
89c8534ebca1736c4e709dbb59eded9924191eea

SHA256
248a3a233c68c645d9b77d9db781364d7d1e09f039cc4994dc21639eeef58bc0

SHA512
f2abf2df44327b52a0849608ad3a68f522fef8dd0edb803ee0dab9bc351d059617e1f88e583c04b410bda3ba51d5edc8b4de9ef88179f8f876e77f111779addf

Download Submit
memory/2248-14-0x00000000007D0000-0x00000000007E5000-memory.dmp

Filesize
84KB

Download
memory/2248-17-0x00000000007D0000-0x00000000007E5000-memory.dmp

Filesize
84KB

Download
memory/2248-16-0x00000000007D0000-0x00000000007E5000-memory.dmp

Filesize
84KB

Download
memory/4000-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4000-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4000-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4000-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4516-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4516-8-0x00000000001D0000-0x00000000001E3000-memory.dmp

Filesize
76KB

Download
memory/4516-1-0x00000000004A0000-0x00000000005A0000-memory.dmp

Filesize
1024KB

Download
memory/4516-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4516-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4516-2-0x00000000001D0000-0x00000000001E3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads