tofsee | 24ef2a9b7b906129acc102cf2831fbeb17be433096e35962bfcface7aae0e7d9

General

Target

2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe
Size

11.6MB
MD5

ec0a775053011547d1f706ba20161f62
SHA1

03cbdcdcce6d9dd80b0436e41df13c9eb3cdafd5
SHA256

24ef2a9b7b906129acc102cf2831fbeb17be433096e35962bfcface7aae0e7d9
SHA512

9253eb19eaae728aa1e240252e73cf95beced8828fefa1da01f37a9918ccdbce8d5eb027d934d5c2e8f9959326376b4050beafd702b6bd44df5721f47bd05d6c
SSDEEP

6144:NXxZs2EcxJ8GD96ySzTVaFRFX53ncNnUUMMMMMMMMb5:NXzuKJ8GD96ySzTcANnQMMMMMMMb

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
3968	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe

Executes dropped EXE 1 IoCs

pid	Process
2308	hfmihqof.exe

Launches sc.exe 3 IoCs

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

pid	Process
212	sc.exe
2256	sc.exe
3324	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
3316	3188	WerFault.exe	81

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	2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe
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

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3188 wrote to memory of 1400	3188	2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe	90
PID 3188 wrote to memory of 1400	3188	2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe	90
PID 3188 wrote to memory of 1400	3188	2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe	90
PID 3188 wrote to memory of 1260	3188	2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe	92
PID 3188 wrote to memory of 1260	3188	2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe	92
PID 3188 wrote to memory of 1260	3188	2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe	92
PID 3188 wrote to memory of 212	3188	2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe	94
PID 3188 wrote to memory of 212	3188	2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe	94
PID 3188 wrote to memory of 212	3188	2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe	94
PID 3188 wrote to memory of 2256	3188	2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe	96
PID 3188 wrote to memory of 2256	3188	2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe	96
PID 3188 wrote to memory of 2256	3188	2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe	96
PID 3188 wrote to memory of 3324	3188	2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe	98
PID 3188 wrote to memory of 3324	3188	2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe	98
PID 3188 wrote to memory of 3324	3188	2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe	98
PID 3188 wrote to memory of 3968	3188	2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe	101
PID 3188 wrote to memory of 3968	3188	2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe	101
PID 3188 wrote to memory of 3968	3188	2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe	101

C:\Users\Admin\AppData\Local\Temp\2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3188
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\unnycfnh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1400
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hfmihqof.exe" C:\Windows\SysWOW64\unnycfnh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1260
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create unnycfnh binPath= "C:\Windows\SysWOW64\unnycfnh\hfmihqof.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:212
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description unnycfnh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2256
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start unnycfnh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3324
- 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:3968
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 572
  2⤵
  - Program crash
  PID:3316

C:\Windows\SysWOW64\unnycfnh\hfmihqof.exe
C:\Windows\SysWOW64\unnycfnh\hfmihqof.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-28_ec0a775053011547d1f706ba20161f62_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:2308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3188 -ip 3188
1⤵
PID:1684

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\hfmihqof.exe

Filesize
14.9MB

MD5
895cbac2ce057e7225c05332d42d052f

SHA1
0784d21c51265ede8cdc03c3b7be197744fd81e4

SHA256
76c90938262ab2d00391642957c067849c6dfe70790533dacb23cafb7eb5bbf5

SHA512
777a8d4c323563d7e72e8755a1cb676c557abcf26243b0611cfbfa8e0fda88df01fbab7d56083270d0d75e00be9bc39203c8f0a713dbb53ab1610a4a44ba38ba

Download Submit
memory/3188-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/3188-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3188-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3188-6-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3188-8-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3188-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3188-9-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads