tofsee | bf6d3fba5f7f3ee033c1ff21f726477751b3c8934da0568a66d536bae45ce226

General

Target

2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe
Size

14.2MB
MD5

fedd828163ace0def6fe0de3eeeb1efe
SHA1

1dff7ea1b1ba8ea8fcabb986c350f3a8188dc98c
SHA256

bf6d3fba5f7f3ee033c1ff21f726477751b3c8934da0568a66d536bae45ce226
SHA512

e5f37ea0cb0fe5cb41977763a04a61f1b95082fcc34b72682cf12311faa66b4f6ec679ff9688891b5e9f2b3b5eb3c41372742b17d6c59ea3635a2d61aceb9b3b
SSDEEP

6144:IXxZs2EcxJ8GD96ySzTVaFRFX53ncNnUUMMMMMMMMb5:IXzuKJ8GD96ySzTcANnQMMMMMMMb

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
1468	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	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe

Executes dropped EXE 1 IoCs

pid	Process
2328	kegdxtdi.exe

Launches sc.exe 3 IoCs

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

pid	Process
2836	sc.exe
4348	sc.exe
4568	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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5044	4264	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	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_fedd828163ace0def6fe0de3eeeb1efe_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

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 3428	4264	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	95
PID 4264 wrote to memory of 3428	4264	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	95
PID 4264 wrote to memory of 3428	4264	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	95
PID 4264 wrote to memory of 4936	4264	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	97
PID 4264 wrote to memory of 4936	4264	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	97
PID 4264 wrote to memory of 4936	4264	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	97
PID 4264 wrote to memory of 2836	4264	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	99
PID 4264 wrote to memory of 2836	4264	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	99
PID 4264 wrote to memory of 2836	4264	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	99
PID 4264 wrote to memory of 4348	4264	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	101
PID 4264 wrote to memory of 4348	4264	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	101
PID 4264 wrote to memory of 4348	4264	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	101
PID 4264 wrote to memory of 4568	4264	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	103
PID 4264 wrote to memory of 4568	4264	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	103
PID 4264 wrote to memory of 4568	4264	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	103
PID 4264 wrote to memory of 1468	4264	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	106
PID 4264 wrote to memory of 1468	4264	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	106
PID 4264 wrote to memory of 1468	4264	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	106

C:\Users\Admin\AppData\Local\Temp\2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4264
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pjhwqpzd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3428
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kegdxtdi.exe" C:\Windows\SysWOW64\pjhwqpzd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4936
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create pjhwqpzd binPath= "C:\Windows\SysWOW64\pjhwqpzd\kegdxtdi.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2836
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description pjhwqpzd "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4348
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start pjhwqpzd
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4568
- 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:1468
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4264 -s 1040
  2⤵
  - Program crash
  PID:5044

C:\Windows\SysWOW64\pjhwqpzd\kegdxtdi.exe
C:\Windows\SysWOW64\pjhwqpzd\kegdxtdi.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:2328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4264 -ip 4264
1⤵
PID:4524

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\kegdxtdi.exe

Filesize
14.4MB

MD5
8cdfb4e6b530b0555cc9580fae351ad5

SHA1
03eab3ea2848bb7a55ee30b029e319a4c321a129

SHA256
d72bc8d2d18138b290e79af9b85416ca064154cb50453f07a0254d29be248b92

SHA512
3584af55eb4d75c9e726c90aca9b0264f5512f4276d52774b21cf573aec6848a75872ca5387f73678f6d4e4554d34fc8630ca87b0abca9ec933fb575daace206

Download Submit
memory/4264-1-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/4264-2-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/4264-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4264-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4264-8-0x0000000000490000-0x00000000004A3000-memory.dmp

Filesize
76KB

Download
memory/4264-7-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads