tofsee | cc83632ac03fe792612d1925a97d4756d4b591144d9e0f581669785341640446

General

Target

2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe
Size

12.6MB
MD5

f9175002a66d43566c7918c00468dfee
SHA1

fde81262c4b4b8105ec0b0e6c245152fdcaf1079
SHA256

cc83632ac03fe792612d1925a97d4756d4b591144d9e0f581669785341640446
SHA512

7a6a9e43e3f7cf0c78c0fa2bb14d7d987be368952a8f66526fcdbaf8bd4c5ac2f9ca92ae0efab99806dc5a4a596b33125f4bbccdce5f229a0701b96e8c87ced6
SSDEEP

6144:FyXxZTquqxpXAdbbiFyKq3nUOcWfMMMMMMMbt:FyXzN8pXAdbbyyZtZfMMMMMMMb

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
452	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:

2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe

Executes dropped EXE 1 IoCs

Processes:

ggflwkru.exe

pid	Process
1356	ggflwkru.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
3532	sc.exe
2440	sc.exe
3736	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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
920	684	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

Processes:

2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.execmd.execmd.exesc.exesc.exesc.exenetsh.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-28_f9175002a66d43566c7918c00468dfee_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

Processes:

2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe

description	pid	Process	procid_target
PID 684 wrote to memory of 4668	684	2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe	91
PID 684 wrote to memory of 4668	684	2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe	91
PID 684 wrote to memory of 4668	684	2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe	91
PID 684 wrote to memory of 3644	684	2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe	93
PID 684 wrote to memory of 3644	684	2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe	93
PID 684 wrote to memory of 3644	684	2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe	93
PID 684 wrote to memory of 3532	684	2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe	95
PID 684 wrote to memory of 3532	684	2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe	95
PID 684 wrote to memory of 3532	684	2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe	95
PID 684 wrote to memory of 2440	684	2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe	97
PID 684 wrote to memory of 2440	684	2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe	97
PID 684 wrote to memory of 2440	684	2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe	97
PID 684 wrote to memory of 3736	684	2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe	99
PID 684 wrote to memory of 3736	684	2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe	99
PID 684 wrote to memory of 3736	684	2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe	99
PID 684 wrote to memory of 452	684	2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe	102
PID 684 wrote to memory of 452	684	2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe	102
PID 684 wrote to memory of 452	684	2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe	102

C:\Users\Admin\AppData\Local\Temp\2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:684
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tmzykhmr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4668
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ggflwkru.exe" C:\Windows\SysWOW64\tmzykhmr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3644
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create tmzykhmr binPath= "C:\Windows\SysWOW64\tmzykhmr\ggflwkru.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3532
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description tmzykhmr "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2440
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start tmzykhmr
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3736
- 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:452
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 684 -s 580
  2⤵
  - Program crash
  PID:920

C:\Windows\SysWOW64\tmzykhmr\ggflwkru.exe
C:\Windows\SysWOW64\tmzykhmr\ggflwkru.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-28_f9175002a66d43566c7918c00468dfee_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:1356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 684 -ip 684
1⤵
PID:2284

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\ggflwkru.exe

Filesize
12.6MB

MD5
8c0871fb832303c5ed802d5ede6393c7

SHA1
7e1b2282f52e81c20811d65846f5fdfbba597328

SHA256
0305843f31d8c5e3cb87763b5b20e89d31816ad4803f40e07aa74596cca0b122

SHA512
88c0a3a161298705f32f4cf02b9006c1181715015e2e798e1fd8bcbf07216831fde97d2009ef3fbe7994970d2eb953b4314fb38342cfebabc573ac15472e8b3f

Download Submit
memory/684-1-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/684-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/684-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/684-6-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/684-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/684-9-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/684-8-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads