tofsee | c7c2d0d51dcc6117daae7614b4668b764eb7911f5fb09a5e0f05295a2ef9b202

General

Target

2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe
Size

14.9MB
MD5

2a1f3a16c68220b3a55423794aeefa6a
SHA1

219214490634b717b98da3f5db87cd37d48b7def
SHA256

c7c2d0d51dcc6117daae7614b4668b764eb7911f5fb09a5e0f05295a2ef9b202
SHA512

88bb9f65d5f87013729bc36eefe85aaac7778417a8e3f51626b5c1deef86d9b9ec0811fb40b13b5d1e3d692f04462f40ae14fb9011d4ac91fba6b81b8f868a28
SSDEEP

6144:fXxZs2EcxJ8GD96ySzTVaFRFX53ncNnUUMMMMMMMMb5:fXzuKJ8GD96ySzTcANnQMMMMMMMb

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
2976	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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe

Executes dropped EXE 1 IoCs

pid	Process
3172	ayfbajhy.exe

Launches sc.exe 3 IoCs

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

pid	Process
2560	sc.exe
3472	sc.exe
2804	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
4416	4556	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	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_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 4556 wrote to memory of 4316	4556	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	91
PID 4556 wrote to memory of 4316	4556	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	91
PID 4556 wrote to memory of 4316	4556	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	91
PID 4556 wrote to memory of 1736	4556	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	93
PID 4556 wrote to memory of 1736	4556	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	93
PID 4556 wrote to memory of 1736	4556	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	93
PID 4556 wrote to memory of 2560	4556	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	95
PID 4556 wrote to memory of 2560	4556	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	95
PID 4556 wrote to memory of 2560	4556	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	95
PID 4556 wrote to memory of 3472	4556	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	97
PID 4556 wrote to memory of 3472	4556	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	97
PID 4556 wrote to memory of 3472	4556	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	97
PID 4556 wrote to memory of 2804	4556	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	99
PID 4556 wrote to memory of 2804	4556	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	99
PID 4556 wrote to memory of 2804	4556	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	99
PID 4556 wrote to memory of 2976	4556	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	102
PID 4556 wrote to memory of 2976	4556	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	102
PID 4556 wrote to memory of 2976	4556	2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe	102

C:\Users\Admin\AppData\Local\Temp\2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4556
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lowkynhk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4316
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ayfbajhy.exe" C:\Windows\SysWOW64\lowkynhk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1736
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lowkynhk binPath= "C:\Windows\SysWOW64\lowkynhk\ayfbajhy.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2560
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lowkynhk "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3472
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lowkynhk
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- 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:2976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4556 -s 648
  2⤵
  - Program crash
  PID:4416

C:\Windows\SysWOW64\lowkynhk\ayfbajhy.exe
C:\Windows\SysWOW64\lowkynhk\ayfbajhy.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-29_2a1f3a16c68220b3a55423794aeefa6a_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:3172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4556 -ip 4556
1⤵
PID:3752

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\ayfbajhy.exe

Filesize
11.6MB

MD5
0ca7115ee87d4eab38eea702156a00f2

SHA1
ad06a28228027e1162183c640ba64a322f7f0550

SHA256
5400f01bae0ad11596fbc1efe112301eb706e22fe097f9b72f41586cf19acd5f

SHA512
5dd992701d743b92526eac16b5bf3f60518bc70716c0909f357ba1ff8a9cf6d87fdfc18fc726cedbcae632613b95d28b69a95def936569ef7a966ed3d448a333

Download Submit
memory/4556-1-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/4556-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/4556-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4556-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4556-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/4556-7-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads