tofsee | 459bbacf3bf7e2cf69859f33df878638d43368244a711f55e602ee69f623ee23

Analysis

max time kernel
143s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/01/2025, 19:14

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General

Target

2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe
Size

13.7MB
MD5

a91e967e7f944cbbfc94c3ce18fe1056
SHA1

f91a5deba93700fc9a2daa53e4fa96f856da6c7f
SHA256

459bbacf3bf7e2cf69859f33df878638d43368244a711f55e602ee69f623ee23
SHA512

ad9a754b1fe8ab04d0b60789165d8cd605531a2d5a3c39c04100c1a885f9d618ff3d30fc821c10cf6e6fcf14325827183448a65b696e7c00b7c909e4d74b84ba
SSDEEP

6144:jLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQF:YTYe+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\iowxebph = "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
2856	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\iowxebph\ImagePath = "C:\\Windows\\SysWOW64\\iowxebph\\owlpcajj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2636	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2620	owlpcajj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2620 set thread context of 2636	2620	owlpcajj.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2136	sc.exe
2816	sc.exe
2764	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	owlpcajj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_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 2548 wrote to memory of 2572	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	30
PID 2548 wrote to memory of 2572	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	30
PID 2548 wrote to memory of 2572	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	30
PID 2548 wrote to memory of 2572	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	30
PID 2548 wrote to memory of 2872	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	32
PID 2548 wrote to memory of 2872	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	32
PID 2548 wrote to memory of 2872	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	32
PID 2548 wrote to memory of 2872	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	32
PID 2548 wrote to memory of 2136	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	34
PID 2548 wrote to memory of 2136	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	34
PID 2548 wrote to memory of 2136	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	34
PID 2548 wrote to memory of 2136	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	34
PID 2548 wrote to memory of 2816	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	36
PID 2548 wrote to memory of 2816	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	36
PID 2548 wrote to memory of 2816	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	36
PID 2548 wrote to memory of 2816	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	36
PID 2548 wrote to memory of 2764	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	38
PID 2548 wrote to memory of 2764	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	38
PID 2548 wrote to memory of 2764	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	38
PID 2548 wrote to memory of 2764	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	38
PID 2548 wrote to memory of 2856	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	41
PID 2548 wrote to memory of 2856	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	41
PID 2548 wrote to memory of 2856	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	41
PID 2548 wrote to memory of 2856	2548	2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe	41
PID 2620 wrote to memory of 2636	2620	owlpcajj.exe	43
PID 2620 wrote to memory of 2636	2620	owlpcajj.exe	43
PID 2620 wrote to memory of 2636	2620	owlpcajj.exe	43
PID 2620 wrote to memory of 2636	2620	owlpcajj.exe	43
PID 2620 wrote to memory of 2636	2620	owlpcajj.exe	43
PID 2620 wrote to memory of 2636	2620	owlpcajj.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\iowxebph\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2572
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\owlpcajj.exe" C:\Windows\SysWOW64\iowxebph\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2872
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create iowxebph binPath= "C:\Windows\SysWOW64\iowxebph\owlpcajj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2136
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description iowxebph "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2816
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start iowxebph
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2764
- 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:2856

C:\Windows\SysWOW64\iowxebph\owlpcajj.exe
C:\Windows\SysWOW64\iowxebph\owlpcajj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-26_a91e967e7f944cbbfc94c3ce18fe1056_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2620
- 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:2636

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\owlpcajj.exe

Filesize
12.6MB

MD5
901fd1c9104f5cfd884c488b38b74085

SHA1
6fe290a772e8c974b3353b8b09a1a2bd9402f166

SHA256
1166491cc4095ef2dfe4a5b1e8173a59d01d39c596781367da58bab91ee10df0

SHA512
4e825c34b02671087533daacd605c47f936edfe165a7fe9335982846c9dff6ccc84e072e63f9df20626a36db2a6964d570955e8ac4eb2109d31071516cd2155f

Download Submit
memory/2548-7-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2548-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2548-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2548-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2548-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2548-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/2620-17-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2636-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2636-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2636-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2636-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2636-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads