tofsee | f6447aa548beb265ea43df6c97b9b55d10455908e8c3c6406375a99b84c14f32

Analysis

max time kernel
144s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02/02/2025, 20:11

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General

Target

2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe
Size

12.3MB
MD5

381381242335bd0bee0747b0b1f9b5ab
SHA1

6f5c445fda03ebe6c1d543e0e77e9dea6483d4b1
SHA256

f6447aa548beb265ea43df6c97b9b55d10455908e8c3c6406375a99b84c14f32
SHA512

30d485e0c4ce7edfa8c483bb48ecfed4fdfb7105be2bd190b971d45d40add05a4e6d520b5608334a9638f994261645cfbf532c8e086b7885dc713f6072a6b7ed
SSDEEP

6144:CLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQt:jTYe+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\andzuhsr = "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
1380	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\andzuhsr\ImagePath = "C:\\Windows\\SysWOW64\\andzuhsr\\kbjhrmth.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2728	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2864	kbjhrmth.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2864 set thread context of 2728	2864	kbjhrmth.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2948	sc.exe
2732	sc.exe
2508	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	svchost.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	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	kbjhrmth.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 2216	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	29
PID 3004 wrote to memory of 2216	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	29
PID 3004 wrote to memory of 2216	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	29
PID 3004 wrote to memory of 2216	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	29
PID 3004 wrote to memory of 2856	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	31
PID 3004 wrote to memory of 2856	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	31
PID 3004 wrote to memory of 2856	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	31
PID 3004 wrote to memory of 2856	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	31
PID 3004 wrote to memory of 2948	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	33
PID 3004 wrote to memory of 2948	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	33
PID 3004 wrote to memory of 2948	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	33
PID 3004 wrote to memory of 2948	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	33
PID 3004 wrote to memory of 2732	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	35
PID 3004 wrote to memory of 2732	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	35
PID 3004 wrote to memory of 2732	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	35
PID 3004 wrote to memory of 2732	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	35
PID 3004 wrote to memory of 2508	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	37
PID 3004 wrote to memory of 2508	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	37
PID 3004 wrote to memory of 2508	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	37
PID 3004 wrote to memory of 2508	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	37
PID 3004 wrote to memory of 1380	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	39
PID 3004 wrote to memory of 1380	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	39
PID 3004 wrote to memory of 1380	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	39
PID 3004 wrote to memory of 1380	3004	2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe	39
PID 2864 wrote to memory of 2728	2864	kbjhrmth.exe	42
PID 2864 wrote to memory of 2728	2864	kbjhrmth.exe	42
PID 2864 wrote to memory of 2728	2864	kbjhrmth.exe	42
PID 2864 wrote to memory of 2728	2864	kbjhrmth.exe	42
PID 2864 wrote to memory of 2728	2864	kbjhrmth.exe	42
PID 2864 wrote to memory of 2728	2864	kbjhrmth.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\andzuhsr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2216
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kbjhrmth.exe" C:\Windows\SysWOW64\andzuhsr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2856
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create andzuhsr binPath= "C:\Windows\SysWOW64\andzuhsr\kbjhrmth.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description andzuhsr "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2732
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start andzuhsr
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2508
- 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:1380

C:\Windows\SysWOW64\andzuhsr\kbjhrmth.exe
C:\Windows\SysWOW64\andzuhsr\kbjhrmth.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_381381242335bd0bee0747b0b1f9b5ab_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2864
- 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:2728

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\kbjhrmth.exe

Filesize
14.4MB

MD5
d340d6499788a33d4e5cd107624c7cda

SHA1
8c1a497f8d9ea5e43b3316a36802f07a5c38cfff

SHA256
d90802a615c312edb424f96348ca2c1285e3c46d9566adc663643b11c9ce5fe4

SHA512
22c54abe8a83e48230db63665455f70ae19cdf61925baaf47d6d8a456043ad7f984d0f3b147d770b2d91512866a0f0b5e12bd9a199d2516ead27b86833b71278

Download Submit
memory/2728-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2728-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2728-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2728-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2864-16-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3004-6-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3004-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3004-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/3004-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3004-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3004-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads