tofsee | 651e2ea48089fe2457bc7d88d4df485139a1277b5cfc9126124caea1ba51520a

General

Target

2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe
Size

13.0MB
MD5

bd0b9ca3ef9979fe7bf7267264ffe05d
SHA1

d60a683d1143e12197bc593153480af7a6398de1
SHA256

651e2ea48089fe2457bc7d88d4df485139a1277b5cfc9126124caea1ba51520a
SHA512

11ac0b1debaf38aee96c49ad16ff75440ebf5636cf0a997dd9654caa62f65d4059921b65b8972231d7ea1171dbc6c677f9c292881a75d77a4691e87b52063f45
SSDEEP

6144:eXxZs2EcxJ8GD96ySzTVaFRFX53ncNnUUMMMMMMMMb5:eXzuKJ8GD96ySzTcANnQMMMMMMMb

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
1384	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	2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe

Executes dropped EXE 1 IoCs

pid	Process
4720	xtntzbtk.exe

Launches sc.exe 3 IoCs

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

pid	Process
4624	sc.exe
4836	sc.exe
1008	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
2116	232	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	2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_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 232 wrote to memory of 4852	232	2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe	97
PID 232 wrote to memory of 4852	232	2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe	97
PID 232 wrote to memory of 4852	232	2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe	97
PID 232 wrote to memory of 4740	232	2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe	99
PID 232 wrote to memory of 4740	232	2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe	99
PID 232 wrote to memory of 4740	232	2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe	99
PID 232 wrote to memory of 4624	232	2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe	101
PID 232 wrote to memory of 4624	232	2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe	101
PID 232 wrote to memory of 4624	232	2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe	101
PID 232 wrote to memory of 4836	232	2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe	103
PID 232 wrote to memory of 4836	232	2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe	103
PID 232 wrote to memory of 4836	232	2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe	103
PID 232 wrote to memory of 1008	232	2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe	105
PID 232 wrote to memory of 1008	232	2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe	105
PID 232 wrote to memory of 1008	232	2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe	105
PID 232 wrote to memory of 1384	232	2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe	108
PID 232 wrote to memory of 1384	232	2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe	108
PID 232 wrote to memory of 1384	232	2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe	108

C:\Users\Admin\AppData\Local\Temp\2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:232
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pigfwtmo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4852
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xtntzbtk.exe" C:\Windows\SysWOW64\pigfwtmo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4740
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create pigfwtmo binPath= "C:\Windows\SysWOW64\pigfwtmo\xtntzbtk.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4624
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description pigfwtmo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4836
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start pigfwtmo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1008
- 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:1384
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 1036
  2⤵
  - Program crash
  PID:2116

C:\Windows\SysWOW64\pigfwtmo\xtntzbtk.exe
C:\Windows\SysWOW64\pigfwtmo\xtntzbtk.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-28_bd0b9ca3ef9979fe7bf7267264ffe05d_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:4720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 232 -ip 232
1⤵
PID:1624

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\xtntzbtk.exe

Filesize
14.5MB

MD5
807d95393d98f01312841d22d1f499c4

SHA1
b491b8dc069a05639657faa5aab3c0e074a62242

SHA256
5143cdecbc94aaa0f68e1ea94e817bc9286250ce25f064af5accdb47d5ca8c6f

SHA512
ac62a236035b44dfada2f5e8d9747a44f33b80ade2a45eabea325bee10e0cef14fdf494cd27b45ce68dd3d00753758828188959e220074367bb75de0c7407c73

Download Submit
memory/232-1-0x0000000000710000-0x0000000000810000-memory.dmp

Filesize
1024KB

Download
memory/232-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/232-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/232-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/232-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/232-7-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads