tofsee | 88a0ec5661e4053db3ae743ca0067ca44181f19c8045bf16e92b82f284c1f612

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
09/02/2025, 13:39

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General

Target

2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe
Size

10.0MB
MD5

a17dce0792745f3ab8c94aefd70493c5
SHA1

47bde0b942b246e5a5f99722c1bca39b8cd3e277
SHA256

88a0ec5661e4053db3ae743ca0067ca44181f19c8045bf16e92b82f284c1f612
SHA512

786e6afc7dd2093eacee1db34e88ba3258a7fd2accfae5e9cca4f2ebc664bce8425a2b680335afacbcf6172338b118f8d388d778bfbc53b0cef95b151f7c388e
SSDEEP

24576:vpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttn:hoo

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\dkbodjzz = "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
2304	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\dkbodjzz\ImagePath = "C:\\Windows\\SysWOW64\\dkbodjzz\\hguwkhia.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2884	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2832	hguwkhia.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2832 set thread context of 2884	2832	hguwkhia.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2128	sc.exe
2324	sc.exe
2932	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hguwkhia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2424	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	30
PID 1740 wrote to memory of 2424	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	30
PID 1740 wrote to memory of 2424	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	30
PID 1740 wrote to memory of 2424	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	30
PID 1740 wrote to memory of 2212	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	32
PID 1740 wrote to memory of 2212	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	32
PID 1740 wrote to memory of 2212	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	32
PID 1740 wrote to memory of 2212	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	32
PID 1740 wrote to memory of 2128	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	34
PID 1740 wrote to memory of 2128	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	34
PID 1740 wrote to memory of 2128	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	34
PID 1740 wrote to memory of 2128	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	34
PID 1740 wrote to memory of 2324	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	36
PID 1740 wrote to memory of 2324	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	36
PID 1740 wrote to memory of 2324	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	36
PID 1740 wrote to memory of 2324	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	36
PID 1740 wrote to memory of 2932	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	38
PID 1740 wrote to memory of 2932	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	38
PID 1740 wrote to memory of 2932	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	38
PID 1740 wrote to memory of 2932	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	38
PID 1740 wrote to memory of 2304	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	40
PID 1740 wrote to memory of 2304	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	40
PID 1740 wrote to memory of 2304	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	40
PID 1740 wrote to memory of 2304	1740	2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe	40
PID 2832 wrote to memory of 2884	2832	hguwkhia.exe	43
PID 2832 wrote to memory of 2884	2832	hguwkhia.exe	43
PID 2832 wrote to memory of 2884	2832	hguwkhia.exe	43
PID 2832 wrote to memory of 2884	2832	hguwkhia.exe	43
PID 2832 wrote to memory of 2884	2832	hguwkhia.exe	43
PID 2832 wrote to memory of 2884	2832	hguwkhia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dkbodjzz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2424
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hguwkhia.exe" C:\Windows\SysWOW64\dkbodjzz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2212
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dkbodjzz binPath= "C:\Windows\SysWOW64\dkbodjzz\hguwkhia.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2128
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dkbodjzz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2324
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dkbodjzz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2932
- 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:2304

C:\Windows\SysWOW64\dkbodjzz\hguwkhia.exe
C:\Windows\SysWOW64\dkbodjzz\hguwkhia.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-08_a17dce0792745f3ab8c94aefd70493c5_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2832
- 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:2884

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\hguwkhia.exe

Filesize
10.3MB

MD5
02d465c75ad2afeed9c3fae07e587928

SHA1
10f5a581917f02b8534b8f3745947ddbc8863384

SHA256
26b6950c21875e40cbefc34c2a18ae9530ac0cd388800e64895f144f2a83c7a1

SHA512
361e6245fb513afe06e34d63594df548a84f1b49f8cfb35630269339139d020ef82d7121d417743e26478c89e72f18ddc36e273b0d5134122319f98341b51da0

Download Submit
memory/1740-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1740-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1740-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/1740-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1740-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1740-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2832-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2884-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2884-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads