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
3556	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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe

Executes dropped EXE 1 IoCs

pid	Process
2524	xjkezvwt.exe

Launches sc.exe 3 IoCs

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

pid	Process
3576	sc.exe
3860	sc.exe
2452	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
4704	692	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	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
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

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 692 wrote to memory of 1200	692	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	91
PID 692 wrote to memory of 1200	692	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	91
PID 692 wrote to memory of 1200	692	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	91
PID 692 wrote to memory of 4292	692	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	93
PID 692 wrote to memory of 4292	692	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	93
PID 692 wrote to memory of 4292	692	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	93
PID 692 wrote to memory of 3576	692	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	95
PID 692 wrote to memory of 3576	692	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	95
PID 692 wrote to memory of 3576	692	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	95
PID 692 wrote to memory of 3860	692	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	97
PID 692 wrote to memory of 3860	692	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	97
PID 692 wrote to memory of 3860	692	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	97
PID 692 wrote to memory of 2452	692	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	99
PID 692 wrote to memory of 2452	692	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	99
PID 692 wrote to memory of 2452	692	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	99
PID 692 wrote to memory of 3556	692	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	102
PID 692 wrote to memory of 3556	692	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	102
PID 692 wrote to memory of 3556	692	2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe	102

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:692
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dnjpeikc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1200
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xjkezvwt.exe" C:\Windows\SysWOW64\dnjpeikc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4292
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dnjpeikc binPath= "C:\Windows\SysWOW64\dnjpeikc\xjkezvwt.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:3576
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dnjpeikc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3860
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dnjpeikc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2452
- 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:3556
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 692 -s 792
  2⤵
  - Program crash
  PID:4704

C:\Windows\SysWOW64\dnjpeikc\xjkezvwt.exe
C:\Windows\SysWOW64\dnjpeikc\xjkezvwt.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-28_fedd828163ace0def6fe0de3eeeb1efe_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:2524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 692 -ip 692
1⤵
PID:1672

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\xjkezvwt.exe

Filesize
13.7MB

MD5
9c02540f3e453defe047c7ff23fef2ff

SHA1
66cb0488ccbd2213568e957cc080c4dd5eb208c3

SHA256
1b1f2dc51b3443c53f934047c9f69bfb4c28875e36c025787849e25cd16b7757

SHA512
778a4d2bfbf5fbfbf9ed29ab1adb5bbc8b3eacc5c5fab88430234bacb564584474f02c21e1e4ad21a560ded7980355c22e9f211ef5b623fea46317f744aee7e9

Download Submit
memory/692-1-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/692-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/692-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/692-6-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/692-8-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/692-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/692-9-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads