tofsee | b292c25b82bf85d7627703ab0abfb2ca2a101bb947c05971e000f8b4b08ee919

General

Target

2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe
Size

14.1MB
MD5

23e9979fbb7f84f4b5d0607fc2d2f028
SHA1

79efaf5f89312c8fdd793ec0635c765da9f4fec6
SHA256

b292c25b82bf85d7627703ab0abfb2ca2a101bb947c05971e000f8b4b08ee919
SHA512

beee800d545f040159da76fbcc61837b4f0be48d7aba9559a268e0a6ec2854ca516b679efccb2d5fc12e8b0fec86d19730cf5cb8d7a8026d7e1895dc1d561450
SSDEEP

6144:lyXxZTquqxpXAdbbiFyKq3nUOcWfMMMMMMMbt:lyXzN8pXAdbbyyZtZfMMMMMMMb

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
2248	netsh.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	2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe

Executes dropped EXE 1 IoCs

pid	Process
4852	zbwneyfy.exe

Launches sc.exe 3 IoCs

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

pid	Process
3528	sc.exe
1764	sc.exe
4912	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 1 IoCs

pid	pid_target	Process	procid_target
1460	1192	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 7 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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1192 wrote to memory of 3256	1192	2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe	101
PID 1192 wrote to memory of 3256	1192	2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe	101
PID 1192 wrote to memory of 3256	1192	2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe	101
PID 1192 wrote to memory of 4456	1192	2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe	103
PID 1192 wrote to memory of 4456	1192	2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe	103
PID 1192 wrote to memory of 4456	1192	2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe	103
PID 1192 wrote to memory of 3528	1192	2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe	105
PID 1192 wrote to memory of 3528	1192	2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe	105
PID 1192 wrote to memory of 3528	1192	2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe	105
PID 1192 wrote to memory of 1764	1192	2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe	107
PID 1192 wrote to memory of 1764	1192	2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe	107
PID 1192 wrote to memory of 1764	1192	2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe	107
PID 1192 wrote to memory of 4912	1192	2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe	109
PID 1192 wrote to memory of 4912	1192	2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe	109
PID 1192 wrote to memory of 4912	1192	2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe	109
PID 1192 wrote to memory of 2248	1192	2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe	112
PID 1192 wrote to memory of 2248	1192	2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe	112
PID 1192 wrote to memory of 2248	1192	2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe	112

C:\Users\Admin\AppData\Local\Temp\2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hzgwlngw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3256
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zbwneyfy.exe" C:\Windows\SysWOW64\hzgwlngw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4456
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hzgwlngw binPath= "C:\Windows\SysWOW64\hzgwlngw\zbwneyfy.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3528
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hzgwlngw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1764
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hzgwlngw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4912
- 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:2248
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1192 -s 1036
  2⤵
  - Program crash
  PID:1460

C:\Windows\SysWOW64\hzgwlngw\zbwneyfy.exe
C:\Windows\SysWOW64\hzgwlngw\zbwneyfy.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-01_23e9979fbb7f84f4b5d0607fc2d2f028_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:4852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1192 -ip 1192
1⤵
PID:3932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

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

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

1

T1562.004

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\zbwneyfy.exe

Filesize
11.8MB

MD5
ec3bfc7f029768d2ae2007eb9bbd2b69

SHA1
3f3208e04a0321701f511e2dba45615499833fd7

SHA256
102ffd580d33c8f9f1e82c4865a9d5fbc702376b6e8a74c03d45d6294c77cf7c

SHA512
10192d2709a92b634b6fde8588f756274a848492420678be63c5df3faa20bf9d49c2a96dc9ef0d62eb3de092d6a98abf7655e5e787158744cdab9da326b9c30f

Download Submit
memory/1192-1-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download
memory/1192-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/1192-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1192-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1192-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/1192-7-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads