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
764	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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe

Executes dropped EXE 1 IoCs

pid	Process
3768	poawblvi.exe

Launches sc.exe 3 IoCs

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

pid	Process
4280	sc.exe
2816	sc.exe
2936	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
4716	4916	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

description	ioc	Process
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	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4916 wrote to memory of 3000	4916	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	96
PID 4916 wrote to memory of 3000	4916	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	96
PID 4916 wrote to memory of 3000	4916	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	96
PID 4916 wrote to memory of 2556	4916	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	98
PID 4916 wrote to memory of 2556	4916	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	98
PID 4916 wrote to memory of 2556	4916	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	98
PID 4916 wrote to memory of 4280	4916	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	100
PID 4916 wrote to memory of 4280	4916	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	100
PID 4916 wrote to memory of 4280	4916	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	100
PID 4916 wrote to memory of 2816	4916	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	102
PID 4916 wrote to memory of 2816	4916	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	102
PID 4916 wrote to memory of 2816	4916	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	102
PID 4916 wrote to memory of 2936	4916	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	104
PID 4916 wrote to memory of 2936	4916	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	104
PID 4916 wrote to memory of 2936	4916	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	104
PID 4916 wrote to memory of 764	4916	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	107
PID 4916 wrote to memory of 764	4916	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	107
PID 4916 wrote to memory of 764	4916	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	107

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:4916
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\klstmlhy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\poawblvi.exe" C:\Windows\SysWOW64\klstmlhy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2556
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create klstmlhy binPath= "C:\Windows\SysWOW64\klstmlhy\poawblvi.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:4280
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description klstmlhy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2816
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start klstmlhy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2936
- 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:764
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 1044
  2⤵
  - Program crash
  PID:4716

C:\Windows\SysWOW64\klstmlhy\poawblvi.exe
C:\Windows\SysWOW64\klstmlhy\poawblvi.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:3768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4916 -ip 4916
1⤵
PID:2436

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\poawblvi.exe

Filesize
10.5MB

MD5
2ef4870886aef0c4d69b8e045ef60583

SHA1
95e38ec10a467a64e35571598ae2578958b27e0d

SHA256
e3cc4bb1906c865392bcbf3467051f5f2c1f6646b24df5d743aae76e7feaf913

SHA512
e9dd8a4cef9dad9ae1f45cb1a57ba671cfd1d571013c0e138f72f4ae00d7f8801a6c1433a4930e7ecc85daa00a3c5bf6224e85ac4dc4e3b7dfa146e90b760f2a

Download Submit
memory/4916-1-0x00000000006B0000-0x00000000007B0000-memory.dmp

Filesize
1024KB

Download
memory/4916-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/4916-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4916-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4916-8-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/4916-7-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads