tofsee | d08f945304cbef1bc7e9b380f7321b692fd50fede584fbfc0829c13ae2eaedcc

Analysis

max time kernel
93s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2024, 17:47 UTC

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General

Target

2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe
Size

13.3MB
MD5

8771bbe1870e3f195a9799d11d221dcc
SHA1

5ed9ae508451faa8f2c5dd3b9d7922a8ba27a74a
SHA256

d08f945304cbef1bc7e9b380f7321b692fd50fede584fbfc0829c13ae2eaedcc
SHA512

2d75d2ec904cc69bc46d1d096f8ca7accfa264f776f7358825e9921a26e36e2067c7d09b8e5a9a17bfe4785a00b1f7649295def0ae50d82685ca5be0092c505a
SSDEEP

6144:+yXxZTquqxpXAdbbiFyKq3nUOcWfMMMMMMMbt:+yXzN8pXAdbbyyZtZfMMMMMMMb

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

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
4516	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	2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe

Executes dropped EXE 1 IoCs

pid	Process
1780	gfvryuz.exe

Launches sc.exe 3 IoCs

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

pid	Process
3716	sc.exe
4384	sc.exe
1488	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
3368	4396	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	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	2024-12-01_8771bbe1870e3f195a9799d11d221dcc_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 4396 wrote to memory of 2688	4396	2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe	96
PID 4396 wrote to memory of 2688	4396	2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe	96
PID 4396 wrote to memory of 2688	4396	2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe	96
PID 4396 wrote to memory of 4764	4396	2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe	98
PID 4396 wrote to memory of 4764	4396	2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe	98
PID 4396 wrote to memory of 4764	4396	2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe	98
PID 4396 wrote to memory of 3716	4396	2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe	100
PID 4396 wrote to memory of 3716	4396	2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe	100
PID 4396 wrote to memory of 3716	4396	2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe	100
PID 4396 wrote to memory of 4384	4396	2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe	102
PID 4396 wrote to memory of 4384	4396	2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe	102
PID 4396 wrote to memory of 4384	4396	2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe	102
PID 4396 wrote to memory of 1488	4396	2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe	104
PID 4396 wrote to memory of 1488	4396	2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe	104
PID 4396 wrote to memory of 1488	4396	2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe	104
PID 4396 wrote to memory of 4516	4396	2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe	107
PID 4396 wrote to memory of 4516	4396	2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe	107
PID 4396 wrote to memory of 4516	4396	2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe	107

C:\Users\Admin\AppData\Local\Temp\2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zgebouc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gfvryuz.exe" C:\Windows\SysWOW64\zgebouc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4764
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zgebouc binPath= "C:\Windows\SysWOW64\zgebouc\gfvryuz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3716
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zgebouc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4384
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zgebouc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1488
- 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:4516
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 1180
  2⤵
  - Program crash
  PID:3368

C:\Windows\SysWOW64\zgebouc\gfvryuz.exe
C:\Windows\SysWOW64\zgebouc\gfvryuz.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-01_8771bbe1870e3f195a9799d11d221dcc_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:1780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4396 -ip 4396
1⤵
PID:4512

Network

DNS

28.118.140.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

28.118.140.52.in-addr.arpa

IN PTR

Response
DNS

136.32.126.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

136.32.126.40.in-addr.arpa

IN PTR

Response
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

97.17.167.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

97.17.167.52.in-addr.arpa

IN PTR

Response
DNS

212.20.149.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

212.20.149.52.in-addr.arpa

IN PTR

Response
DNS

18.31.95.13.in-addr.arpa

Remote address:

8.8.8.8:53

Request

18.31.95.13.in-addr.arpa

IN PTR

Response
DNS

92.12.20.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

92.12.20.2.in-addr.arpa

IN PTR

Response

92.12.20.2.in-addr.arpa

IN PTR

a2-20-12-92deploystaticakamaitechnologiescom
DNS

92.12.20.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

92.12.20.2.in-addr.arpa

IN PTR
DNS

98.209.201.84.in-addr.arpa

Remote address:

8.8.8.8:53

Request

98.209.201.84.in-addr.arpa

IN PTR

Response
DNS

240.221.184.93.in-addr.arpa

Remote address:

8.8.8.8:53

Request

240.221.184.93.in-addr.arpa

IN PTR

Response
DNS

13.227.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

13.227.111.52.in-addr.arpa

IN PTR

Response

No results found

8.8.8.8:53

28.118.140.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

28.118.140.52.in-addr.arpa
8.8.8.8:53

136.32.126.40.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

136.32.126.40.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

97.17.167.52.in-addr.arpa

dns

71 B
145 B
1
1

DNS Request

97.17.167.52.in-addr.arpa
8.8.8.8:53

212.20.149.52.in-addr.arpa

dns

72 B
146 B
1
1

DNS Request

212.20.149.52.in-addr.arpa
8.8.8.8:53

18.31.95.13.in-addr.arpa

dns

70 B
144 B
1
1

DNS Request

18.31.95.13.in-addr.arpa
8.8.8.8:53

92.12.20.2.in-addr.arpa

dns

138 B
131 B
2
1

DNS Request

92.12.20.2.in-addr.arpa

DNS Request

92.12.20.2.in-addr.arpa
8.8.8.8:53

98.209.201.84.in-addr.arpa

dns

72 B
132 B
1
1

DNS Request

98.209.201.84.in-addr.arpa
8.8.8.8:53

240.221.184.93.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

240.221.184.93.in-addr.arpa
8.8.8.8:53

13.227.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

13.227.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
11.1MB

MD5
7ef8dc48eb80780cb7ff2d94f4634995

SHA1
5b40e32db3571334acfa234ae118d189d426e7bd

SHA256
74f06d89568079c4564228b503fadd678c56f5045557d983df71b5055a1d4972

SHA512
3047ee8d792c685788c6486d5e97ac7a17db7c3b8a38317e5a3c8a2de27427d71eda3f64df7b5b437251777155b142b37c8898ffa23b2307a5cd3d011a12145f

Download Submit
memory/4396-1-0x00000000006D0000-0x00000000007D0000-memory.dmp

Filesize
1024KB

Download
memory/4396-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/4396-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4396-7-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/4396-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4396-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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Downloads

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