tofsee | b01c776ea255a23b668d1821e30e75539788f8b19ca8cbb0e3aa6f731bb09f63

General

Target

2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe
Size

14.7MB
MD5

7e89eba5381aefab5f498d3c4cf79600
SHA1

c4863bbce5805debed709d06eccf9fba7b5a2bc2
SHA256

b01c776ea255a23b668d1821e30e75539788f8b19ca8cbb0e3aa6f731bb09f63
SHA512

7962217a2af06a2c4c5756cacc35e0be78c4409518c119a3311dbe8cd6e31d2d5f30842aed1ab97fd49f0e027b7d9f188fa1b771922cce137e0df62a1bcb60af
SSDEEP

6144:fXxZs2EcxJ8GD96ySzTVaFRFX53ncNnUUMMMMMMMMb5:fXzuKJ8GD96ySzTcANnQMMMMMMMb

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
3596	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:

2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe

Executes dropped EXE 1 IoCs

Processes:

ukqjksir.exe

pid	Process
2784	ukqjksir.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
2648	sc.exe
4868	sc.exe
3952	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
4436	3640	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

Processes:

2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.execmd.execmd.exesc.exesc.exesc.exenetsh.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-20_7e89eba5381aefab5f498d3c4cf79600_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

Processes:

2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe

description	pid	Process	procid_target
PID 3640 wrote to memory of 2628	3640	2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe	98
PID 3640 wrote to memory of 2628	3640	2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe	98
PID 3640 wrote to memory of 2628	3640	2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe	98
PID 3640 wrote to memory of 3008	3640	2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe	100
PID 3640 wrote to memory of 3008	3640	2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe	100
PID 3640 wrote to memory of 3008	3640	2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe	100
PID 3640 wrote to memory of 3952	3640	2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe	102
PID 3640 wrote to memory of 3952	3640	2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe	102
PID 3640 wrote to memory of 3952	3640	2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe	102
PID 3640 wrote to memory of 2648	3640	2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe	104
PID 3640 wrote to memory of 2648	3640	2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe	104
PID 3640 wrote to memory of 2648	3640	2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe	104
PID 3640 wrote to memory of 4868	3640	2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe	106
PID 3640 wrote to memory of 4868	3640	2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe	106
PID 3640 wrote to memory of 4868	3640	2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe	106
PID 3640 wrote to memory of 3596	3640	2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe	109
PID 3640 wrote to memory of 3596	3640	2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe	109
PID 3640 wrote to memory of 3596	3640	2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe	109

C:\Users\Admin\AppData\Local\Temp\2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3640
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dsomwirv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2628
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ukqjksir.exe" C:\Windows\SysWOW64\dsomwirv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3008
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dsomwirv binPath= "C:\Windows\SysWOW64\dsomwirv\ukqjksir.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3952
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dsomwirv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2648
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dsomwirv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4868
- 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:3596
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 1156
  2⤵
  - Program crash
  PID:4436

C:\Windows\SysWOW64\dsomwirv\ukqjksir.exe
C:\Windows\SysWOW64\dsomwirv\ukqjksir.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-20_7e89eba5381aefab5f498d3c4cf79600_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:2784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3640 -ip 3640
1⤵
PID:2004

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\ukqjksir.exe

Filesize
10.1MB

MD5
0792d0ca3d3c1be2c8c51630f247b1b7

SHA1
7de02d8548654e402d27620f568f0b017b4705ec

SHA256
27c3f39f15ce3e71e9d885c94630efffd73d5ee44519d4fbc8c50d6b3b90939c

SHA512
68f9793ee1c73e4bba2542c5ed5d2abc79d287dd7b98ea8eec387d90967460f659e364f4959a4fcfaff2046ce765401b804efe11f1c800108ab265aefcb51015

Download Submit
memory/3640-1-0x00000000007A0000-0x00000000008A0000-memory.dmp

Filesize
1024KB

Download
memory/3640-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3640-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3640-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3640-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3640-7-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads