tofsee | 9f2232ccdfb02bdb0276b198420129a9e4bf8d05f7d940b90cd40df6646a93d5

General

Target

2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe
Size

14.9MB
MD5

a4bcfd47b20fdddff6e2d31a46aaf5a2
SHA1

6a1e44869e3d8a4a0220a3a61b886f2ed217cbb4
SHA256

9f2232ccdfb02bdb0276b198420129a9e4bf8d05f7d940b90cd40df6646a93d5
SHA512

ac321de576115b419f7f7002c533ce8a38b88ff1cf6dc7fd881425c753d54c053300d32c0ec9cea4e4d4d1b489a5975d87652a2012658b1eb9a1040e51d9a42f
SSDEEP

24576:FXzqpE5DpEMMMMMMMb4zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzT:FXPVpEMMMMMMMb

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
4396	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe

Executes dropped EXE 1 IoCs

pid	Process
1972	uoqnhdns.exe

Launches sc.exe 3 IoCs

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

pid	Process
636	sc.exe
4452	sc.exe
864	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3140	3404	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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3404 wrote to memory of 1768	3404	2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe	91
PID 3404 wrote to memory of 1768	3404	2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe	91
PID 3404 wrote to memory of 1768	3404	2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe	91
PID 3404 wrote to memory of 1824	3404	2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe	93
PID 3404 wrote to memory of 1824	3404	2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe	93
PID 3404 wrote to memory of 1824	3404	2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe	93
PID 3404 wrote to memory of 864	3404	2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe	95
PID 3404 wrote to memory of 864	3404	2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe	95
PID 3404 wrote to memory of 864	3404	2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe	95
PID 3404 wrote to memory of 636	3404	2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe	97
PID 3404 wrote to memory of 636	3404	2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe	97
PID 3404 wrote to memory of 636	3404	2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe	97
PID 3404 wrote to memory of 4452	3404	2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe	99
PID 3404 wrote to memory of 4452	3404	2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe	99
PID 3404 wrote to memory of 4452	3404	2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe	99
PID 3404 wrote to memory of 4396	3404	2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe	102
PID 3404 wrote to memory of 4396	3404	2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe	102
PID 3404 wrote to memory of 4396	3404	2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe	102

C:\Users\Admin\AppData\Local\Temp\2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3404
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\czgjlwtb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1768
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uoqnhdns.exe" C:\Windows\SysWOW64\czgjlwtb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1824
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create czgjlwtb binPath= "C:\Windows\SysWOW64\czgjlwtb\uoqnhdns.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:864
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description czgjlwtb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:636
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start czgjlwtb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4452
- 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:4396
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3404 -s 1044
  2⤵
  - Program crash
  PID:3140

C:\Windows\SysWOW64\czgjlwtb\uoqnhdns.exe
C:\Windows\SysWOW64\czgjlwtb\uoqnhdns.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-01_a4bcfd47b20fdddff6e2d31a46aaf5a2_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:1972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3404 -ip 3404
1⤵
PID:4416

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\uoqnhdns.exe

Filesize
14.2MB

MD5
0d4495e326c1ed452749654a36eeafd5

SHA1
10f3bc6ae31adf576affed90b6d2ad97b58123e5

SHA256
f3e66f73aa6ffc4f42c33be247015267fb037ece93ae9f7848581f521d19ac7b

SHA512
a01dde9616c8716d8e6e0ac6d613a9cd1709575608889508e52d44ee61c4d01b9e738b92056420a6c25a8473221ca74bb7aa79f76e397b4cdf7917159092f21b

Download Submit
memory/3404-1-0x00000000004A0000-0x00000000005A0000-memory.dmp

Filesize
1024KB

Download
memory/3404-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3404-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3404-7-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3404-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3404-9-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads