tofsee | 90487b300aba41f47d23d2057997fa294b15b759d97cef00a52a699fb1f86566

Analysis

max time kernel
144s
max time network
119s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
19-01-2025 20:19

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General

Target

2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe
Size

10.1MB
MD5

9ae14d0d2f53418758d7081b386aadae
SHA1

e3107480d5a5f0e88c44ca7b2d304abfa97d44b8
SHA256

90487b300aba41f47d23d2057997fa294b15b759d97cef00a52a699fb1f86566
SHA512

149f552406d637a32c0781d342836890df703b5acc803fc0462dc66a77173d16aed15cc2384cce68d52884c4fa0077398c204cd5396409b2b056cd72cad7a42d
SSDEEP

196608:2yXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:bXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXn

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

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

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\lxcuurrg = "0"	svchost.exe

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
2536	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\lxcuurrg\ImagePath = "C:\\Windows\\SysWOW64\\lxcuurrg\\eyypajac.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2964	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2596	eyypajac.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2596 set thread context of 2964	2596	eyypajac.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2872	sc.exe
2564	sc.exe
2676	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

System Location Discovery: System Language Discovery 1 TTPs 9 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	eyypajac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2764	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	30
PID 2128 wrote to memory of 2764	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	30
PID 2128 wrote to memory of 2764	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	30
PID 2128 wrote to memory of 2764	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	30
PID 2128 wrote to memory of 2876	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	32
PID 2128 wrote to memory of 2876	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	32
PID 2128 wrote to memory of 2876	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	32
PID 2128 wrote to memory of 2876	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	32
PID 2128 wrote to memory of 2872	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	34
PID 2128 wrote to memory of 2872	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	34
PID 2128 wrote to memory of 2872	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	34
PID 2128 wrote to memory of 2872	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	34
PID 2128 wrote to memory of 2564	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	36
PID 2128 wrote to memory of 2564	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	36
PID 2128 wrote to memory of 2564	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	36
PID 2128 wrote to memory of 2564	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	36
PID 2128 wrote to memory of 2676	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	38
PID 2128 wrote to memory of 2676	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	38
PID 2128 wrote to memory of 2676	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	38
PID 2128 wrote to memory of 2676	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	38
PID 2128 wrote to memory of 2536	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	41
PID 2128 wrote to memory of 2536	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	41
PID 2128 wrote to memory of 2536	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	41
PID 2128 wrote to memory of 2536	2128	2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe	41
PID 2596 wrote to memory of 2964	2596	eyypajac.exe	43
PID 2596 wrote to memory of 2964	2596	eyypajac.exe	43
PID 2596 wrote to memory of 2964	2596	eyypajac.exe	43
PID 2596 wrote to memory of 2964	2596	eyypajac.exe	43
PID 2596 wrote to memory of 2964	2596	eyypajac.exe	43
PID 2596 wrote to memory of 2964	2596	eyypajac.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lxcuurrg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2764
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\eyypajac.exe" C:\Windows\SysWOW64\lxcuurrg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2876
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lxcuurrg binPath= "C:\Windows\SysWOW64\lxcuurrg\eyypajac.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2872
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lxcuurrg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2564
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lxcuurrg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2676
- 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:2536

C:\Windows\SysWOW64\lxcuurrg\eyypajac.exe
C:\Windows\SysWOW64\lxcuurrg\eyypajac.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-19_9ae14d0d2f53418758d7081b386aadae_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\eyypajac.exe

Filesize
10.7MB

MD5
94277ec28441362c1b19268425f879e6

SHA1
57cff01344e55e421f541d3ba1c7705b48a7a5df

SHA256
43b698d16d5b94b294fe4859ed6f46730e1e8c3635ade1671e478bd441c9382e

SHA512
6f871aa4728312414458316c4f03778dcb49c27618fd92830cc649cbf91f2f0b6e3f907c311b3755ceb3b53418fb9e52e890bb302b4e483ea40970b56e109a4d

Download Submit
memory/2128-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2128-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2128-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2128-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2128-9-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/2128-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/2128-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2596-18-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2964-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2964-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2964-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2964-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2964-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads