tofsee | 38e91b481571df6513b3f932c2f51bda07d4a0c35c45e690e3643ee98c3b47db

General

Target

2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe
Size

13.9MB
MD5

6c97afac7078c36833ebcfbcf96fad8e
SHA1

233ec0aab053ccc77ec31026dd8d0f4223ca61b9
SHA256

38e91b481571df6513b3f932c2f51bda07d4a0c35c45e690e3643ee98c3b47db
SHA512

181baf50cc579b52301b71ac22ba06c0e242a592fcdab6c5bfc491186060c7ef579ed69df2c3c5a9b89fe471a288a367bf2ce5391e46de3f62f024046f8354e1
SSDEEP

6144:UXxZs2EcxJ8GD96ySzTVaFRFX53ncNnUUMMMMMMMMb5:UXzuKJ8GD96ySzTcANnQMMMMMMMb

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
2020	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	2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe

Executes dropped EXE 1 IoCs

pid	Process
4500	qkmjdzjo.exe

Launches sc.exe 3 IoCs

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

pid	Process
2492	sc.exe
2596	sc.exe
4416	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
4312	2140	WerFault.exe	83

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_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

description	pid	Process	procid_target
PID 2140 wrote to memory of 2016	2140	2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe	100
PID 2140 wrote to memory of 2016	2140	2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe	100
PID 2140 wrote to memory of 2016	2140	2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe	100
PID 2140 wrote to memory of 1144	2140	2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe	102
PID 2140 wrote to memory of 1144	2140	2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe	102
PID 2140 wrote to memory of 1144	2140	2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe	102
PID 2140 wrote to memory of 2492	2140	2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe	104
PID 2140 wrote to memory of 2492	2140	2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe	104
PID 2140 wrote to memory of 2492	2140	2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe	104
PID 2140 wrote to memory of 2596	2140	2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe	106
PID 2140 wrote to memory of 2596	2140	2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe	106
PID 2140 wrote to memory of 2596	2140	2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe	106
PID 2140 wrote to memory of 4416	2140	2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe	108
PID 2140 wrote to memory of 4416	2140	2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe	108
PID 2140 wrote to memory of 4416	2140	2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe	108
PID 2140 wrote to memory of 2020	2140	2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe	111
PID 2140 wrote to memory of 2020	2140	2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe	111
PID 2140 wrote to memory of 2020	2140	2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe	111

C:\Users\Admin\AppData\Local\Temp\2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xfkglagq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2016
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qkmjdzjo.exe" C:\Windows\SysWOW64\xfkglagq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1144
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xfkglagq binPath= "C:\Windows\SysWOW64\xfkglagq\qkmjdzjo.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2492
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xfkglagq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2596
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xfkglagq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4416
- 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:2020
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2140 -s 664
  2⤵
  - Program crash
  PID:4312

C:\Windows\SysWOW64\xfkglagq\qkmjdzjo.exe
C:\Windows\SysWOW64\xfkglagq\qkmjdzjo.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-20_6c97afac7078c36833ebcfbcf96fad8e_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:4500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2140 -ip 2140
1⤵
PID:5016

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\qkmjdzjo.exe

Filesize
11.7MB

MD5
52f0adeedd8f463aef9f935653647bd4

SHA1
bc1cc5991a280666e79d541f2b2d3240c7c486a6

SHA256
8221493d171b093ac998363e48f90807b6c475a16ac7bf3e49a5e7d2ba1db0c5

SHA512
9acfd93ed7ef88d662363bb0fef8ddd8f791802a934923fb0583e0ddaf7fae46072c554375c5ca982dbc57eb08be3583322be2a5b201edc06ae514ac78caee30

Download Submit
memory/2140-1-0x0000000000730000-0x0000000000830000-memory.dmp

Filesize
1024KB

Download
memory/2140-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2140-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2140-7-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2140-8-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2140-9-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2140-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads