tofsee | 2364fe2171a548f445d8fd35b0d13c6107fef86c78427c04eb625acd80663125

General

Target

2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe
Size

13.1MB
MD5

6697ace66a8bbebee54ec3ccfdc544bb
SHA1

7d1394713123831c4e6ca86cc43dd244e11374df
SHA256

2364fe2171a548f445d8fd35b0d13c6107fef86c78427c04eb625acd80663125
SHA512

b4552d787a25727829c0d31c841df37957059442e2a185c870109d71e20d3680b1e48a23b885956e08ee1accb8835ac04e2c5bad51c34bb3c610acd37e405fb1
SSDEEP

6144:HyXxZTquqxpXAdbbiFyKq3nUOcWfMMMMMMMbt:HyXzN8pXAdbbyyZtZfMMMMMMMb

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

Processes:

netsh.exe

pid	Process
4524	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

Processes:

2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe

Executes dropped EXE 1 IoCs

Processes:

lkwsxhre.exe

pid	Process
4252	lkwsxhre.exe

Launches sc.exe 3 IoCs

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

Processes:

sc.exesc.exesc.exe

pid	Process
4280	sc.exe
4636	sc.exe
1468	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

Processes:

netsh.exe

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

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1584	3088	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

Processes:

sc.exenetsh.exe2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.execmd.execmd.exesc.exesc.exe

description	ioc	Process
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_6697ace66a8bbebee54ec3ccfdc544bb_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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe

description	pid	Process	procid_target
PID 3088 wrote to memory of 2032	3088	2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe	96
PID 3088 wrote to memory of 2032	3088	2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe	96
PID 3088 wrote to memory of 2032	3088	2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe	96
PID 3088 wrote to memory of 760	3088	2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe	98
PID 3088 wrote to memory of 760	3088	2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe	98
PID 3088 wrote to memory of 760	3088	2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe	98
PID 3088 wrote to memory of 4280	3088	2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe	100
PID 3088 wrote to memory of 4280	3088	2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe	100
PID 3088 wrote to memory of 4280	3088	2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe	100
PID 3088 wrote to memory of 4636	3088	2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe	102
PID 3088 wrote to memory of 4636	3088	2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe	102
PID 3088 wrote to memory of 4636	3088	2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe	102
PID 3088 wrote to memory of 1468	3088	2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe	104
PID 3088 wrote to memory of 1468	3088	2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe	104
PID 3088 wrote to memory of 1468	3088	2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe	104
PID 3088 wrote to memory of 4524	3088	2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe	107
PID 3088 wrote to memory of 4524	3088	2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe	107
PID 3088 wrote to memory of 4524	3088	2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe	107

C:\Users\Admin\AppData\Local\Temp\2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3088
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vinlxctl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2032
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lkwsxhre.exe" C:\Windows\SysWOW64\vinlxctl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:760
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create vinlxctl binPath= "C:\Windows\SysWOW64\vinlxctl\lkwsxhre.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_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 vinlxctl "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4636
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start vinlxctl
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1468
- 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:4524
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3088 -s 636
  2⤵
  - Program crash
  PID:1584

C:\Windows\SysWOW64\vinlxctl\lkwsxhre.exe
C:\Windows\SysWOW64\vinlxctl\lkwsxhre.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-28_6697ace66a8bbebee54ec3ccfdc544bb_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:4252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3088 -ip 3088
1⤵
PID:1836

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\lkwsxhre.exe

Filesize
13.9MB

MD5
d2ca828d5f2c999eb607ab8d5cb022c7

SHA1
c352738753ceb9fec8bc29eaed8594e0dcfdb681

SHA256
b07c87e9971de0367f82e534662fcdbfb4a4749c5b7f855c65151a68b399ff5c

SHA512
8348f3d54867ec079bafd3d6ea1df6722e31f11b136643bffc87a7a609507535d759533410e0ca67f1054966a168394aec04a6cc2b5dad18766a951a392c517d

Download Submit
memory/3088-1-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/3088-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3088-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3088-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3088-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3088-7-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads