tofsee | 92d6e1b4165db1deb01836a96e099495ed1f0acfc7a26083bf16a532ebcdc845

Analysis

max time kernel
147s
max time network
125s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
09/07/2024, 11:47

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General

Target

2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe
Size

10.3MB
MD5

1db98a402157b472c886344ddf6e0a21
SHA1

ab07ed1f0464df94c2757b4b9c54dfd33fe7ee7d
SHA256

92d6e1b4165db1deb01836a96e099495ed1f0acfc7a26083bf16a532ebcdc845
SHA512

44432589c245145288d67af531f5ac6dc36d703cade711e60fc58f495274c45b836498e3de18a840e92529015f5c09996d84934bc14443d3efcb35543e377fe2
SSDEEP

6144:8+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:8+r1IeSXMXc7LlxWV4Ug97GZ+ej

Score

10^/10

tofsee evasion 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

Windows security bypass 2 TTPs 1 IoCs

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\fflvfqqe = "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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2668	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\fflvfqqe\ImagePath = "C:\\Windows\\SysWOW64\\fflvfqqe\\hgwszva.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2676	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2700	hgwszva.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2700 set thread context of 2676	2700	hgwszva.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2268	sc.exe
3004	sc.exe
2744	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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 708 wrote to memory of 2332	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	29
PID 708 wrote to memory of 2332	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	29
PID 708 wrote to memory of 2332	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	29
PID 708 wrote to memory of 2332	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	29
PID 708 wrote to memory of 2844	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	31
PID 708 wrote to memory of 2844	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	31
PID 708 wrote to memory of 2844	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	31
PID 708 wrote to memory of 2844	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	31
PID 708 wrote to memory of 2268	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	33
PID 708 wrote to memory of 2268	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	33
PID 708 wrote to memory of 2268	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	33
PID 708 wrote to memory of 2268	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	33
PID 708 wrote to memory of 3004	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	35
PID 708 wrote to memory of 3004	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	35
PID 708 wrote to memory of 3004	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	35
PID 708 wrote to memory of 3004	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	35
PID 708 wrote to memory of 2744	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	37
PID 708 wrote to memory of 2744	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	37
PID 708 wrote to memory of 2744	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	37
PID 708 wrote to memory of 2744	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	37
PID 708 wrote to memory of 2668	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	39
PID 708 wrote to memory of 2668	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	39
PID 708 wrote to memory of 2668	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	39
PID 708 wrote to memory of 2668	708	2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe	39
PID 2700 wrote to memory of 2676	2700	hgwszva.exe	42
PID 2700 wrote to memory of 2676	2700	hgwszva.exe	42
PID 2700 wrote to memory of 2676	2700	hgwszva.exe	42
PID 2700 wrote to memory of 2676	2700	hgwszva.exe	42
PID 2700 wrote to memory of 2676	2700	hgwszva.exe	42
PID 2700 wrote to memory of 2676	2700	hgwszva.exe	42

C:\Users\Admin\AppData\Local\Temp\2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:708
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fflvfqqe\
  2⤵
  PID:2332
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hgwszva.exe" C:\Windows\SysWOW64\fflvfqqe\
  2⤵
  PID:2844
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create fflvfqqe binPath= "C:\Windows\SysWOW64\fflvfqqe\hgwszva.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  PID:2268
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description fflvfqqe "wifi internet conection"
  2⤵
  - Launches sc.exe
  PID:3004
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start fflvfqqe
  2⤵
  - Launches sc.exe
  PID:2744
- 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
  PID:2668

C:\Windows\SysWOW64\fflvfqqe\hgwszva.exe
C:\Windows\SysWOW64\fflvfqqe\hgwszva.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  PID:2676

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\hgwszva.exe

Filesize
14.4MB

MD5
0ed142ab9b8545b06b4e583aa04cf2cc

SHA1
5ae9ff4a51653ffcd6a03291cf8c9ec4f1079a83

SHA256
b0062719e56c9361cd297f4ad53b3a874916c9022fd2f0e927ca4d9bd6dfa836

SHA512
d76f303ed8fd9c9a8ac5416748da4ba3270fd53a8165b94c54227105af1657ed34b1721bb5690e452f61d9af80f4cc6763817ce5b29b0a18b9f2e2e9ad016aab

Download Submit
memory/708-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/708-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/708-6-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/708-5-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2676-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2676-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2676-9-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2676-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2676-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2700-15-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads