tofsee | 58b0447f5e751cabb6553ed60b096418578287989f251b40c0dfbd56956b5d3f

Analysis

max time kernel
144s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25/01/2025, 18:57

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General

Target

2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe
Size

10.2MB
MD5

c8291924dd7c790b362a85bf777d4eb7
SHA1

97c860da7c187d8c5c9c673a071d13c39c9ad06e
SHA256

58b0447f5e751cabb6553ed60b096418578287989f251b40c0dfbd56956b5d3f
SHA512

2667135b74828195109c913ed5deb9a3d9e8be72e2675025c36537a64343da4309e5244864a4d22321c0200d8b7079542557478dae4056a7a9904ac70fe60ee1
SSDEEP

24576:RpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttl:roo

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\jspmzryz = "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
2956	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\jspmzryz\ImagePath = "C:\\Windows\\SysWOW64\\jspmzryz\\dqczsfku.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2552	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2708	dqczsfku.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2708 set thread context of 2552	2708	dqczsfku.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2944	sc.exe
2996	sc.exe
3056	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	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_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	dqczsfku.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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2748	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	30
PID 3028 wrote to memory of 2748	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	30
PID 3028 wrote to memory of 2748	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	30
PID 3028 wrote to memory of 2748	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	30
PID 3028 wrote to memory of 2692	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	32
PID 3028 wrote to memory of 2692	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	32
PID 3028 wrote to memory of 2692	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	32
PID 3028 wrote to memory of 2692	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	32
PID 3028 wrote to memory of 3056	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	34
PID 3028 wrote to memory of 3056	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	34
PID 3028 wrote to memory of 3056	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	34
PID 3028 wrote to memory of 3056	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	34
PID 3028 wrote to memory of 2944	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	36
PID 3028 wrote to memory of 2944	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	36
PID 3028 wrote to memory of 2944	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	36
PID 3028 wrote to memory of 2944	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	36
PID 3028 wrote to memory of 2996	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	38
PID 3028 wrote to memory of 2996	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	38
PID 3028 wrote to memory of 2996	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	38
PID 3028 wrote to memory of 2996	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	38
PID 2708 wrote to memory of 2552	2708	dqczsfku.exe	41
PID 2708 wrote to memory of 2552	2708	dqczsfku.exe	41
PID 2708 wrote to memory of 2552	2708	dqczsfku.exe	41
PID 2708 wrote to memory of 2552	2708	dqczsfku.exe	41
PID 2708 wrote to memory of 2552	2708	dqczsfku.exe	41
PID 2708 wrote to memory of 2552	2708	dqczsfku.exe	41
PID 3028 wrote to memory of 2956	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	42
PID 3028 wrote to memory of 2956	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	42
PID 3028 wrote to memory of 2956	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	42
PID 3028 wrote to memory of 2956	3028	2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jspmzryz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dqczsfku.exe" C:\Windows\SysWOW64\jspmzryz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2692
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jspmzryz binPath= "C:\Windows\SysWOW64\jspmzryz\dqczsfku.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3056
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jspmzryz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2944
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jspmzryz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2996
- 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:2956

C:\Windows\SysWOW64\jspmzryz\dqczsfku.exe
C:\Windows\SysWOW64\jspmzryz\dqczsfku.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-25_c8291924dd7c790b362a85bf777d4eb7_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708
- 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:2552

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\dqczsfku.exe

Filesize
14.1MB

MD5
9d8fe9addca5fdf2cc128f73825764e5

SHA1
a63e0e11f73c7631e1d03f1fc3ef929ca106242f

SHA256
13bae627fd31cf4e27389cd519e1d9a9f722dfb6af1268d7d3eeaf4148cc31c5

SHA512
0d78ace8687a385e53589704dfc3ec3a230f2c9fb253e7ef943cbdf7cff0cc8d203da8a4f123757b5af1befd03cb4bc2039f8dc6a0cec34c011ec49093a84aab

Download Submit
memory/2552-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2552-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2552-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2552-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2552-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2708-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3028-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3028-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3028-1-0x0000000000530000-0x0000000000630000-memory.dmp

Filesize
1024KB

Download
memory/3028-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3028-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3028-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads