tofsee | c6ccec536ba8ec29e8acd71501078d9a527cc9f5070cb214c9274c0288a86bde

General

Target

2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe
Size

14.6MB
MD5

64ad38f22175fbb4c0ae21513bbf8550
SHA1

8f8705ae61bb567b12cdadfc36619ece97c57df0
SHA256

c6ccec536ba8ec29e8acd71501078d9a527cc9f5070cb214c9274c0288a86bde
SHA512

7a61142e88ac8e77179ca9653f9dbf73ec118b93bdc14607be53e92a07e017a77565e1b3598d46e76ed9d60a3bbecc82d759c076c16e8eb1ea3fcd8da1c3dbb0
SSDEEP

6144:HXxZs2EcxJ8GD96ySzTVaFRFX53ncNnUUMMMMMMMMb5:HXzuKJ8GD96ySzTcANnQMMMMMMMb

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
4340	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe

Executes dropped EXE 1 IoCs

pid	Process
2084	ziaziuyp.exe

Launches sc.exe 3 IoCs

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

pid	Process
2456	sc.exe
2604	sc.exe
392	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
4592	3184	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_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

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3184 wrote to memory of 4912	3184	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	101
PID 3184 wrote to memory of 4912	3184	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	101
PID 3184 wrote to memory of 4912	3184	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	101
PID 3184 wrote to memory of 4588	3184	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	103
PID 3184 wrote to memory of 4588	3184	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	103
PID 3184 wrote to memory of 4588	3184	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	103
PID 3184 wrote to memory of 392	3184	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	105
PID 3184 wrote to memory of 392	3184	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	105
PID 3184 wrote to memory of 392	3184	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	105
PID 3184 wrote to memory of 2456	3184	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	107
PID 3184 wrote to memory of 2456	3184	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	107
PID 3184 wrote to memory of 2456	3184	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	107
PID 3184 wrote to memory of 2604	3184	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	109
PID 3184 wrote to memory of 2604	3184	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	109
PID 3184 wrote to memory of 2604	3184	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	109
PID 3184 wrote to memory of 4340	3184	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	112
PID 3184 wrote to memory of 4340	3184	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	112
PID 3184 wrote to memory of 4340	3184	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	112

C:\Users\Admin\AppData\Local\Temp\2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3184
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\aenwygir\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4912
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ziaziuyp.exe" C:\Windows\SysWOW64\aenwygir\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4588
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create aenwygir binPath= "C:\Windows\SysWOW64\aenwygir\ziaziuyp.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:392
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description aenwygir "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2456
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start aenwygir
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2604
- 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:4340
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3184 -s 1036
  2⤵
  - Program crash
  PID:4592

C:\Windows\SysWOW64\aenwygir\ziaziuyp.exe
C:\Windows\SysWOW64\aenwygir\ziaziuyp.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:2084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3184 -ip 3184
1⤵
PID:756

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\ziaziuyp.exe

Filesize
13.9MB

MD5
8c4180459e6657489a725c58d4d0de8c

SHA1
58f2a0bffcc0cd7ded989a5b17b10dc1768f3dc6

SHA256
6bde40f16f0b1168ae4a47317ec5d54a88dd562de2f35cdff5fc79648a4318a3

SHA512
f0ce54d980ef59ad7bdfbc237b5de45ee80cd214abdb933066d4a73370d757f332d19fffb4ce6f3b0f80e0efe6784a9c89394b24a5c7872a17de22392f06c03a

Download Submit
memory/3184-1-0x00000000004B0000-0x00000000005B0000-memory.dmp

Filesize
1024KB

Download
memory/3184-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3184-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3184-7-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3184-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3184-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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