tofsee | 7ce2a4327048c6c6bec3d924d83293b98e2e29efd3bcab4bc199f4ed211416d1

Analysis

max time kernel
144s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30-01-2025 21:31

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General

Target

2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe
Size

13.7MB
MD5

97072ca9a6e4bdd9766dc25e6464f8d4
SHA1

42c0c68ec982a1587c9a8f82f0f68e229d8161ea
SHA256

7ce2a4327048c6c6bec3d924d83293b98e2e29efd3bcab4bc199f4ed211416d1
SHA512

86b3f0b55be16f466f442a52efbd7d16f1447acfece6028efb74c46dedf137c5ea4086b8c3a6c848db23ed3dd6d0dd74918abfc10f2f2f5edd12b85c95905afd
SSDEEP

49152:PqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP7:PqtYc3m

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\oyhsxvjh = "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
3012	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\oyhsxvjh\ImagePath = "C:\\Windows\\SysWOW64\\oyhsxvjh\\xzuatgq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2816	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2988	xzuatgq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2988 set thread context of 2816	2988	xzuatgq.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2016	sc.exe
2544	sc.exe
2940	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	xzuatgq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_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	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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2096	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	30
PID 2124 wrote to memory of 2096	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	30
PID 2124 wrote to memory of 2096	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	30
PID 2124 wrote to memory of 2096	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	30
PID 2124 wrote to memory of 2616	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	32
PID 2124 wrote to memory of 2616	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	32
PID 2124 wrote to memory of 2616	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	32
PID 2124 wrote to memory of 2616	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	32
PID 2124 wrote to memory of 2016	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	34
PID 2124 wrote to memory of 2016	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	34
PID 2124 wrote to memory of 2016	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	34
PID 2124 wrote to memory of 2016	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	34
PID 2124 wrote to memory of 2544	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	36
PID 2124 wrote to memory of 2544	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	36
PID 2124 wrote to memory of 2544	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	36
PID 2124 wrote to memory of 2544	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	36
PID 2124 wrote to memory of 2940	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	39
PID 2124 wrote to memory of 2940	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	39
PID 2124 wrote to memory of 2940	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	39
PID 2124 wrote to memory of 2940	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	39
PID 2988 wrote to memory of 2816	2988	xzuatgq.exe	42
PID 2988 wrote to memory of 2816	2988	xzuatgq.exe	42
PID 2988 wrote to memory of 2816	2988	xzuatgq.exe	42
PID 2988 wrote to memory of 2816	2988	xzuatgq.exe	42
PID 2988 wrote to memory of 2816	2988	xzuatgq.exe	42
PID 2988 wrote to memory of 2816	2988	xzuatgq.exe	42
PID 2124 wrote to memory of 3012	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	43
PID 2124 wrote to memory of 3012	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	43
PID 2124 wrote to memory of 3012	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	43
PID 2124 wrote to memory of 3012	2124	2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\oyhsxvjh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2096
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xzuatgq.exe" C:\Windows\SysWOW64\oyhsxvjh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2616
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create oyhsxvjh binPath= "C:\Windows\SysWOW64\oyhsxvjh\xzuatgq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2016
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description oyhsxvjh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2544
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start oyhsxvjh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2940
- 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:3012

C:\Windows\SysWOW64\oyhsxvjh\xzuatgq.exe
C:\Windows\SysWOW64\oyhsxvjh\xzuatgq.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-30_97072ca9a6e4bdd9766dc25e6464f8d4_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2988
- 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:2816

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\xzuatgq.exe

Filesize
12.4MB

MD5
8c94d6b3385483ea8c78bc863da3bb6e

SHA1
f45058578f354f8b9a2b64c91cdaec3354250403

SHA256
520936f0d45054384bedb2f685da3b9d47c9bd989d552c856cc758d7c42b5701

SHA512
aac43c83d709b547ef5720642e1cf0d9c2f8d55cb4357ce04a32e28f002133230f8ec5de8686e2e5891fb55f29d1f7584b94858258144f19df4e0f630218925b

Download Submit
memory/2124-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2124-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2124-1-0x0000000002E80000-0x0000000002F80000-memory.dmp

Filesize
1024KB

Download
memory/2124-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2124-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2124-14-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2816-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2816-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2816-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2816-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2816-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2988-12-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads