tofsee | ac022f3e67da3d10f336e52afd6ea6b084c0f9b61d0de228f7b2e23c1d6df473

Analysis

max time kernel
141s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 19:15

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General

Target

2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe
Size

13.6MB
MD5

eb5c85e3ef72cd8a17d66ee635dec743
SHA1

4fc6d0b7936828d347ceaf1cbcfc174654f291ee
SHA256

ac022f3e67da3d10f336e52afd6ea6b084c0f9b61d0de228f7b2e23c1d6df473
SHA512

940a33d0e68c6420f1ebb36c194a8bcf0a625fe75629e01bbf30471b44b7d6f43a2349d91d31c06fca52a707559ecd1e01af311be876f5be9f12b2b2cba9bd75
SSDEEP

6144:tLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQV:+TYe+D2jFu+iZoUFhAz

Score

10^/10

tofsee defense_evasion discovery 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

defense_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\sepddeoq = "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

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1988	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\sepddeoq\ImagePath = "C:\\Windows\\SysWOW64\\sepddeoq\\amlzkucw.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2836	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
536	amlzkucw.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 536 set thread context of 2836	536	amlzkucw.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2996	sc.exe
2804	sc.exe
2876	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

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	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_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	netsh.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	amlzkucw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 1476	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	30
PID 2576 wrote to memory of 1476	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	30
PID 2576 wrote to memory of 1476	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	30
PID 2576 wrote to memory of 1476	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	30
PID 2576 wrote to memory of 2968	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	32
PID 2576 wrote to memory of 2968	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	32
PID 2576 wrote to memory of 2968	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	32
PID 2576 wrote to memory of 2968	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	32
PID 2576 wrote to memory of 2876	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	34
PID 2576 wrote to memory of 2876	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	34
PID 2576 wrote to memory of 2876	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	34
PID 2576 wrote to memory of 2876	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	34
PID 2576 wrote to memory of 2996	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	36
PID 2576 wrote to memory of 2996	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	36
PID 2576 wrote to memory of 2996	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	36
PID 2576 wrote to memory of 2996	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	36
PID 2576 wrote to memory of 2804	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	38
PID 2576 wrote to memory of 2804	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	38
PID 2576 wrote to memory of 2804	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	38
PID 2576 wrote to memory of 2804	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	38
PID 2576 wrote to memory of 1988	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	40
PID 2576 wrote to memory of 1988	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	40
PID 2576 wrote to memory of 1988	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	40
PID 2576 wrote to memory of 1988	2576	2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe	40
PID 536 wrote to memory of 2836	536	amlzkucw.exe	43
PID 536 wrote to memory of 2836	536	amlzkucw.exe	43
PID 536 wrote to memory of 2836	536	amlzkucw.exe	43
PID 536 wrote to memory of 2836	536	amlzkucw.exe	43
PID 536 wrote to memory of 2836	536	amlzkucw.exe	43
PID 536 wrote to memory of 2836	536	amlzkucw.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2576
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\sepddeoq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1476
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\amlzkucw.exe" C:\Windows\SysWOW64\sepddeoq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2968
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create sepddeoq binPath= "C:\Windows\SysWOW64\sepddeoq\amlzkucw.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2876
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description sepddeoq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2996
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start sepddeoq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- 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:1988

C:\Windows\SysWOW64\sepddeoq\amlzkucw.exe
C:\Windows\SysWOW64\sepddeoq\amlzkucw.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-24_eb5c85e3ef72cd8a17d66ee635dec743_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:536
- 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:2836

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\amlzkucw.exe

Filesize
10.6MB

MD5
c94eb454a5397b447e26cede89545b08

SHA1
c3b804606486b720d914cfc17821d24b881c3e89

SHA256
b8d4d3c911f30abc2e637da3989f2c67982265f17d97756ee7d167018e5f0bbb

SHA512
9e9f224a99208747dbccbd3a5eecb2c4dea9dced77704aef94a0ef77b18f1ed348a4ed6de72457312f5d0ee39861ba44f987aabb840d7663f9d48edb191c6f44

Download Submit
memory/536-17-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2576-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2576-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2576-6-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2576-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2576-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/2576-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2836-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2836-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2836-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2836-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2836-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads