tofsee | a60f03d551fd71fc52fc8bd2483a6c6f20bb7ab187958c1983c1a946edb2c478

Analysis

max time kernel
144s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/01/2025, 16:06

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General

Target

2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe
Size

14.5MB
MD5

88f01df779e44b11a5c92de6ab31f26a
SHA1

d1b06f61901b428b6ad5e8c78cf348722e88daf6
SHA256

a60f03d551fd71fc52fc8bd2483a6c6f20bb7ab187958c1983c1a946edb2c478
SHA512

c2555bf098dbfb72173093361eea38cbf0893bbf2d82292ef52d796c5b9e991af9c473c67a291489862a0789ec1de95e588ae5ffaf6a748513293b0725bf832b
SSDEEP

24576:eEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ+:3fotQ

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\hlcwdmpb = "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
2772	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\hlcwdmpb\ImagePath = "C:\\Windows\\SysWOW64\\hlcwdmpb\\wytzsfp.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2316	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2928	wytzsfp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2928 set thread context of 2316	2928	wytzsfp.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2064	sc.exe
2320	sc.exe
2900	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_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	wytzsfp.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 2380	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	31
PID 2556 wrote to memory of 2380	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	31
PID 2556 wrote to memory of 2380	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	31
PID 2556 wrote to memory of 2380	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	31
PID 2556 wrote to memory of 792	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	33
PID 2556 wrote to memory of 792	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	33
PID 2556 wrote to memory of 792	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	33
PID 2556 wrote to memory of 792	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	33
PID 2556 wrote to memory of 2064	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	35
PID 2556 wrote to memory of 2064	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	35
PID 2556 wrote to memory of 2064	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	35
PID 2556 wrote to memory of 2064	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	35
PID 2556 wrote to memory of 2320	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	37
PID 2556 wrote to memory of 2320	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	37
PID 2556 wrote to memory of 2320	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	37
PID 2556 wrote to memory of 2320	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	37
PID 2556 wrote to memory of 2900	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	39
PID 2556 wrote to memory of 2900	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	39
PID 2556 wrote to memory of 2900	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	39
PID 2556 wrote to memory of 2900	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	39
PID 2556 wrote to memory of 2772	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	42
PID 2556 wrote to memory of 2772	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	42
PID 2556 wrote to memory of 2772	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	42
PID 2556 wrote to memory of 2772	2556	2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe	42
PID 2928 wrote to memory of 2316	2928	wytzsfp.exe	44
PID 2928 wrote to memory of 2316	2928	wytzsfp.exe	44
PID 2928 wrote to memory of 2316	2928	wytzsfp.exe	44
PID 2928 wrote to memory of 2316	2928	wytzsfp.exe	44
PID 2928 wrote to memory of 2316	2928	wytzsfp.exe	44
PID 2928 wrote to memory of 2316	2928	wytzsfp.exe	44

C:\Users\Admin\AppData\Local\Temp\2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2556
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hlcwdmpb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2380
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wytzsfp.exe" C:\Windows\SysWOW64\hlcwdmpb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:792
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hlcwdmpb binPath= "C:\Windows\SysWOW64\hlcwdmpb\wytzsfp.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2064
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hlcwdmpb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2320
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hlcwdmpb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2900
- 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:2772

C:\Windows\SysWOW64\hlcwdmpb\wytzsfp.exe
C:\Windows\SysWOW64\hlcwdmpb\wytzsfp.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_88f01df779e44b11a5c92de6ab31f26a_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2928
- 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:2316

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\wytzsfp.exe

Filesize
13.1MB

MD5
8cfa70f262a6af12671b631ecacb6836

SHA1
3b88f2730afe4d9ea01ea5186831662c8bd36047

SHA256
91759943a3254b6fde3e7493ec513c223e15d1ca1d0ffbe61c53c7b313696737

SHA512
40d559856dd01a6c25583c9e8ad8ec016744d68e31a8551e808ae60708f4432656df14c25972d526da0e5c5c2063b882d169cdbf748fc661fc380a0513884728

Download Submit
memory/2316-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2316-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2316-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2316-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2316-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2556-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2556-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/2556-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2556-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2556-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2556-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2928-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads