tofsee | edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20

Analysis

max time kernel
148s
max time network
154s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 08:56

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General

Target

edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe
Size

13.3MB
MD5

57163e49f6f67475836d3d49abab1a6f
SHA1

b11e58b16d751db535317a0aacca97c20ae7ba25
SHA256

edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20
SHA512

32f162b0b70ad5efe95974078d446d836cb7665db344a93295e7fc2f4a738f661ea79c67ac7ea30ace95d5834ef6f491f5b291f0e5072ff8c43e6545957bc256
SSDEEP

49152:f1m333333333333333333333333333333333333333333333333333333333333w:l

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

quadoil.ru

lakeflex.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

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\fevtvzps = "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
2940	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\fevtvzps\ImagePath = "C:\\Windows\\SysWOW64\\fevtvzps\\qiahgxip.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2848	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2428	qiahgxip.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2428 set thread context of 2848	2428	qiahgxip.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
828	sc.exe
2944	sc.exe
2816	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	qiahgxip.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 1248	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	29
PID 2060 wrote to memory of 1248	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	29
PID 2060 wrote to memory of 1248	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	29
PID 2060 wrote to memory of 1248	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	29
PID 2060 wrote to memory of 2256	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	31
PID 2060 wrote to memory of 2256	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	31
PID 2060 wrote to memory of 2256	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	31
PID 2060 wrote to memory of 2256	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	31
PID 2060 wrote to memory of 828	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	33
PID 2060 wrote to memory of 828	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	33
PID 2060 wrote to memory of 828	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	33
PID 2060 wrote to memory of 828	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	33
PID 2060 wrote to memory of 2944	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	35
PID 2060 wrote to memory of 2944	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	35
PID 2060 wrote to memory of 2944	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	35
PID 2060 wrote to memory of 2944	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	35
PID 2060 wrote to memory of 2816	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	37
PID 2060 wrote to memory of 2816	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	37
PID 2060 wrote to memory of 2816	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	37
PID 2060 wrote to memory of 2816	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	37
PID 2060 wrote to memory of 2940	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	40
PID 2060 wrote to memory of 2940	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	40
PID 2060 wrote to memory of 2940	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	40
PID 2060 wrote to memory of 2940	2060	edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe	40
PID 2428 wrote to memory of 2848	2428	qiahgxip.exe	42
PID 2428 wrote to memory of 2848	2428	qiahgxip.exe	42
PID 2428 wrote to memory of 2848	2428	qiahgxip.exe	42
PID 2428 wrote to memory of 2848	2428	qiahgxip.exe	42
PID 2428 wrote to memory of 2848	2428	qiahgxip.exe	42
PID 2428 wrote to memory of 2848	2428	qiahgxip.exe	42

C:\Users\Admin\AppData\Local\Temp\edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe
"C:\Users\Admin\AppData\Local\Temp\edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fevtvzps\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1248
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qiahgxip.exe" C:\Windows\SysWOW64\fevtvzps\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2256
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create fevtvzps binPath= "C:\Windows\SysWOW64\fevtvzps\qiahgxip.exe /d\"C:\Users\Admin\AppData\Local\Temp\edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:828
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description fevtvzps "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 fevtvzps
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2816
- 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:2940

C:\Windows\SysWOW64\fevtvzps\qiahgxip.exe
C:\Windows\SysWOW64\fevtvzps\qiahgxip.exe /d"C:\Users\Admin\AppData\Local\Temp\edd112e5d957e913076cb86fd6b657318987fef5e2fdd34f46c4b23cccd9ae20.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2428
- 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:2848

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\qiahgxip.exe

Filesize
14.7MB

MD5
4fbf12cf06d9355855c535aa6527407a

SHA1
496227f6f0cb360385a46ee35170f14f60e96e4b

SHA256
73046e68ff8e18a905142e3aa23b0f86c5a8cc39b100e3aa8d6ffa6a00e41006

SHA512
bc42e73e463fa05629f3f0f560ba0e120e112bfc8d12ee0370d53e33e94a561b2138541b3c6457dfa8f150840283388c9ea5e76755274245ff76f5b66172abe5

Download Submit
memory/2060-8-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/2060-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2060-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2060-10-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2060-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2060-1-0x0000000001830000-0x0000000001930000-memory.dmp

Filesize
1024KB

Download
memory/2428-16-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/2848-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads