tofsee | f3a8c2d16920ba9ddd77b50a952d68c13c62b4eecc0a98c852c4b09527e2f648

General

Target

2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe
Size

13.7MB
MD5

44fa99d7aeb4ab3d8be4d018239719f7
SHA1

f19699efd23cf3fdf1ebdefc680a5b7927bf5f2d
SHA256

f3a8c2d16920ba9ddd77b50a952d68c13c62b4eecc0a98c852c4b09527e2f648
SHA512

d5377d7fb5a9e556e499604b20b3d3512ead3dbffca557efca1ff2721c68f9a625431557e143e4213b0ae8130f899a4f67ff2537b547641dc4e789fd82fcbc67
SSDEEP

24576:MXzqpE5DpEMMMMMMMb4zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz:MXPVpEMMMMMMMb

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
2396	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe

Executes dropped EXE 1 IoCs

pid	Process
1820	lnizqkrk.exe

Launches sc.exe 3 IoCs

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

pid	Process
5000	sc.exe
3844	sc.exe
4944	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
3676	3744	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	2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_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 3744 wrote to memory of 2724	3744	2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe	91
PID 3744 wrote to memory of 2724	3744	2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe	91
PID 3744 wrote to memory of 2724	3744	2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe	91
PID 3744 wrote to memory of 688	3744	2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe	93
PID 3744 wrote to memory of 688	3744	2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe	93
PID 3744 wrote to memory of 688	3744	2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe	93
PID 3744 wrote to memory of 4944	3744	2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe	95
PID 3744 wrote to memory of 4944	3744	2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe	95
PID 3744 wrote to memory of 4944	3744	2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe	95
PID 3744 wrote to memory of 5000	3744	2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe	97
PID 3744 wrote to memory of 5000	3744	2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe	97
PID 3744 wrote to memory of 5000	3744	2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe	97
PID 3744 wrote to memory of 3844	3744	2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe	99
PID 3744 wrote to memory of 3844	3744	2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe	99
PID 3744 wrote to memory of 3844	3744	2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe	99
PID 3744 wrote to memory of 2396	3744	2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe	102
PID 3744 wrote to memory of 2396	3744	2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe	102
PID 3744 wrote to memory of 2396	3744	2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe	102

C:\Users\Admin\AppData\Local\Temp\2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3744
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rgjzyzy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2724
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lnizqkrk.exe" C:\Windows\SysWOW64\rgjzyzy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:688
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create rgjzyzy binPath= "C:\Windows\SysWOW64\rgjzyzy\lnizqkrk.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4944
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description rgjzyzy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5000
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start rgjzyzy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3844
- 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:2396
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3744 -s 792
  2⤵
  - Program crash
  PID:3676

C:\Windows\SysWOW64\rgjzyzy\lnizqkrk.exe
C:\Windows\SysWOW64\rgjzyzy\lnizqkrk.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-01_44fa99d7aeb4ab3d8be4d018239719f7_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:1820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3744 -ip 3744
1⤵
PID:4780

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\lnizqkrk.exe

Filesize
11.2MB

MD5
a234570840b856972cd5c74ee0b79d6b

SHA1
893b8695e1e4e3abbc5ca31476cea884b9dc472e

SHA256
5eea207a08dffcac1e36a268aec7bce47f28545b7df31b3d3d191d5fcd566139

SHA512
494243a9a25a62ea33c101ca2969e545e0114dccf65bd5ea64e22e5b60ef3f2b1f73c3587cfd19e8a301fbd2be60e144310f52c34a17a8e415d821ef2585291f

Download Submit
memory/3744-1-0x00000000007F0000-0x00000000008F0000-memory.dmp

Filesize
1024KB

Download
memory/3744-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3744-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3744-7-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3744-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3744-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads