tofsee | f6857dbda764a9e366f4ba065eab36fc5f1bceec4d9af02cc2a81cf69f29a034

General

Target

2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe
Size

14.0MB
MD5

5403a883573c96f0e4c7fdf5c023069a
SHA1

f7dd588c14c1173492348a8a201ec3a006d3472a
SHA256

f6857dbda764a9e366f4ba065eab36fc5f1bceec4d9af02cc2a81cf69f29a034
SHA512

7de7b29996528d342483e22102b4187156766304e4bc7cbfb855954bcbb4a96546346786b130329f4a06c6eb3ac2af764f0cbcf0114ef02eeea6c01b010f377a
SSDEEP

6144:pyXxZTquqxpXAdbbiFyKq3nUOcWfMMMMMMMbt:pyXzN8pXAdbbyyZtZfMMMMMMMb

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

Processes:

netsh.exe

pid	Process
1436	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

Processes:

2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe

Executes dropped EXE 1 IoCs

Processes:

fwpszmyx.exe

pid	Process
4732	fwpszmyx.exe

Launches sc.exe 3 IoCs

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

Processes:

sc.exesc.exesc.exe

pid	Process
872	sc.exe
1452	sc.exe
1548	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

Processes:

netsh.exe

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

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2984	4948	WerFault.exe	82

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

Processes:

cmd.execmd.exesc.exesc.exesc.exenetsh.exe2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe

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	2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe

description	pid	Process	procid_target
PID 4948 wrote to memory of 4160	4948	2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe	96
PID 4948 wrote to memory of 4160	4948	2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe	96
PID 4948 wrote to memory of 4160	4948	2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe	96
PID 4948 wrote to memory of 2964	4948	2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe	98
PID 4948 wrote to memory of 2964	4948	2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe	98
PID 4948 wrote to memory of 2964	4948	2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe	98
PID 4948 wrote to memory of 872	4948	2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe	100
PID 4948 wrote to memory of 872	4948	2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe	100
PID 4948 wrote to memory of 872	4948	2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe	100
PID 4948 wrote to memory of 1452	4948	2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe	102
PID 4948 wrote to memory of 1452	4948	2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe	102
PID 4948 wrote to memory of 1452	4948	2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe	102
PID 4948 wrote to memory of 1548	4948	2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe	104
PID 4948 wrote to memory of 1548	4948	2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe	104
PID 4948 wrote to memory of 1548	4948	2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe	104
PID 4948 wrote to memory of 1436	4948	2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe	107
PID 4948 wrote to memory of 1436	4948	2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe	107
PID 4948 wrote to memory of 1436	4948	2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe	107

C:\Users\Admin\AppData\Local\Temp\2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4948
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rdrdvdfm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4160
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fwpszmyx.exe" C:\Windows\SysWOW64\rdrdvdfm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2964
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create rdrdvdfm binPath= "C:\Windows\SysWOW64\rdrdvdfm\fwpszmyx.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:872
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description rdrdvdfm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1452
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start rdrdvdfm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1548
- 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:1436
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 652
  2⤵
  - Program crash
  PID:2984

C:\Windows\SysWOW64\rdrdvdfm\fwpszmyx.exe
C:\Windows\SysWOW64\rdrdvdfm\fwpszmyx.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-24_5403a883573c96f0e4c7fdf5c023069a_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:4732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4948 -ip 4948
1⤵
PID:1296

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\fwpszmyx.exe

Filesize
12.6MB

MD5
68f89889830bf8d4eafea66b16a0ffdc

SHA1
f4d39d3bd38cfd9ba4e66bc0e891659ccadb9918

SHA256
4e9d0e023a533064799dd17a9ddaf41eb1ea338d03cb5a758fd80d3e6e67cbe8

SHA512
c23effb67a0df4d828d49992c4d738c8d8de98cde3bbf7b9ea07aae9ac6b4947a4ad2f5f75daa53c69e35106c8ceaaf21f65ec2fffed1e4a028db6b8bf551e6d

Download Submit
memory/4948-1-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/4948-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/4948-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4948-7-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4948-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4948-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads