tofsee | eb0ea2494a23b87ee6c07bd492afce2f6a0481f4a160fbb67c73fe18ed01ccf7

General

Target

2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe
Size

12.5MB
MD5

62d58192a77785f2b84ea8d0e7e68ff8
SHA1

f154f6b8d9f8192c2a5312c940a7f5496411ed97
SHA256

eb0ea2494a23b87ee6c07bd492afce2f6a0481f4a160fbb67c73fe18ed01ccf7
SHA512

f9c27a7a5f547780b5705969135d27de39fcbfba93b992f69c6a7ec4854cd38b33022e20912c076e6b78b55f1c050edca374869db41e76fa760c4d87cf0b85cf
SSDEEP

6144:4XxZveEydmxZnXNMRaTuMUifWLKxNMMMMMMMbgb:4XzvvygxZnXxr+mxNMMMMMMMbg

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
3536	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe

Executes dropped EXE 1 IoCs

pid	Process
4812	mpxxvtxg.exe

Launches sc.exe 3 IoCs

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

pid	Process
5084	sc.exe
1620	sc.exe
1416	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
1448	536	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	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	2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 536 wrote to memory of 1548	536	2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe	96
PID 536 wrote to memory of 1548	536	2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe	96
PID 536 wrote to memory of 1548	536	2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe	96
PID 536 wrote to memory of 3976	536	2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe	98
PID 536 wrote to memory of 3976	536	2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe	98
PID 536 wrote to memory of 3976	536	2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe	98
PID 536 wrote to memory of 5084	536	2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe	100
PID 536 wrote to memory of 5084	536	2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe	100
PID 536 wrote to memory of 5084	536	2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe	100
PID 536 wrote to memory of 1620	536	2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe	102
PID 536 wrote to memory of 1620	536	2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe	102
PID 536 wrote to memory of 1620	536	2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe	102
PID 536 wrote to memory of 1416	536	2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe	104
PID 536 wrote to memory of 1416	536	2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe	104
PID 536 wrote to memory of 1416	536	2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe	104
PID 536 wrote to memory of 3536	536	2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe	107
PID 536 wrote to memory of 3536	536	2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe	107
PID 536 wrote to memory of 3536	536	2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe	107

C:\Users\Admin\AppData\Local\Temp\2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:536
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pbhrvtbg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1548
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mpxxvtxg.exe" C:\Windows\SysWOW64\pbhrvtbg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3976
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create pbhrvtbg binPath= "C:\Windows\SysWOW64\pbhrvtbg\mpxxvtxg.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5084
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description pbhrvtbg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1620
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start pbhrvtbg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1416
- 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:3536
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 1044
  2⤵
  - Program crash
  PID:1448

C:\Windows\SysWOW64\pbhrvtbg\mpxxvtxg.exe
C:\Windows\SysWOW64\pbhrvtbg\mpxxvtxg.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-07_62d58192a77785f2b84ea8d0e7e68ff8_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:4812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 536 -ip 536
1⤵
PID:1704

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\mpxxvtxg.exe

Filesize
10.1MB

MD5
7153285feda4d3a004f0c50d0e191b45

SHA1
e3eb8c990bd56fdd6ebc6ba2b556ec97e6eafe56

SHA256
06da69679af3f301365842ba4fb2ca0803059514d9c047f0699f7c2345948065

SHA512
64b9feeceae14cf02aab01943f0e41653361a673efc2b3342514d6bb7b3f9d51666f6adb505eae2abfed54b9d5d7a2e0b4a24e3b336537eb2f83563b4b6dccb8

Download Submit
memory/536-1-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/536-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/536-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/536-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/536-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/536-7-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads