tofsee | a3a057b1043123d1526a00e50b42ef509af9eced47b794a67ebcf30cb77b6e34

General

Target

2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe
Size

14.0MB
MD5

f52e57f81c43238b788d3939d1eef4a4
SHA1

094698f6f65e6b4c5112ce9242baca936da5e3c7
SHA256

a3a057b1043123d1526a00e50b42ef509af9eced47b794a67ebcf30cb77b6e34
SHA512

75d8f1a5b932848ee885a120f67165fa149e67ca92a5888ba60bcf7936785a29380f1ac8d63c7e3ec5fa954fa80451c9cd04e691051fa8ed856b6156fad0c90e
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
3312	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe

Executes dropped EXE 1 IoCs

pid	Process
4288	lfheyuej.exe

Launches sc.exe 3 IoCs

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

pid	Process
952	sc.exe
2172	sc.exe
1240	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
1828	3120	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	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_f52e57f81c43238b788d3939d1eef4a4_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 3120 wrote to memory of 208	3120	2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe	91
PID 3120 wrote to memory of 208	3120	2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe	91
PID 3120 wrote to memory of 208	3120	2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe	91
PID 3120 wrote to memory of 2684	3120	2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe	93
PID 3120 wrote to memory of 2684	3120	2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe	93
PID 3120 wrote to memory of 2684	3120	2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe	93
PID 3120 wrote to memory of 952	3120	2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe	95
PID 3120 wrote to memory of 952	3120	2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe	95
PID 3120 wrote to memory of 952	3120	2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe	95
PID 3120 wrote to memory of 2172	3120	2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe	97
PID 3120 wrote to memory of 2172	3120	2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe	97
PID 3120 wrote to memory of 2172	3120	2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe	97
PID 3120 wrote to memory of 1240	3120	2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe	99
PID 3120 wrote to memory of 1240	3120	2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe	99
PID 3120 wrote to memory of 1240	3120	2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe	99
PID 3120 wrote to memory of 3312	3120	2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe	102
PID 3120 wrote to memory of 3312	3120	2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe	102
PID 3120 wrote to memory of 3312	3120	2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe	102

C:\Users\Admin\AppData\Local\Temp\2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3120
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\viwnuzzl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:208
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lfheyuej.exe" C:\Windows\SysWOW64\viwnuzzl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2684
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create viwnuzzl binPath= "C:\Windows\SysWOW64\viwnuzzl\lfheyuej.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:952
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description viwnuzzl "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2172
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start viwnuzzl
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1240
- 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:3312
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 1044
  2⤵
  - Program crash
  PID:1828

C:\Windows\SysWOW64\viwnuzzl\lfheyuej.exe
C:\Windows\SysWOW64\viwnuzzl\lfheyuej.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-29_f52e57f81c43238b788d3939d1eef4a4_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:4288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3120 -ip 3120
1⤵
PID:1096

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\lfheyuej.exe

Filesize
11.7MB

MD5
7a9d7a301be38f9d5d93498e378a28c4

SHA1
bcf2bb9a6c8306d9f421f47373b5c1b52146fc20

SHA256
6db85dc114dd3000987edb88e484ab4d7dd949e1e01f611cebb69911557f0b26

SHA512
d63c54d36ae59751db8c5a62b37266ac1f7c2528b01b7b295f1ba74055df07828ae524f4bc5071282759e46ed9cdb713147a8809a5878e0525b9eb7054ee5099

Download Submit
memory/3120-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3120-1-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/3120-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3120-7-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3120-9-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3120-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3120-8-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads