tofsee | 94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 17:24

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General

Target

94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe
Size

13.0MB
MD5

69c888117b9871c18a2e6bcdd3daf0ed
SHA1

73d9450909f4e5720dc710634bd5a600f55b2d65
SHA256

94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c
SHA512

6f4fe3799aea3821aa6b4e9562ab2f7ef36b664baad502f2dd24489f9b31c84f85bb8d3a2f97361247a664ab23d7557983bd2c8176810f25454985eeb2a2110b
SSDEEP

196608:lYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYU:e

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\mkawlyag = "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
2984	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\mkawlyag\ImagePath = "C:\\Windows\\SysWOW64\\mkawlyag\\wjspqvhu.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2892	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2988	wjspqvhu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2988 set thread context of 2892	2988	wjspqvhu.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
3060	sc.exe
2840	sc.exe
2828	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	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wjspqvhu.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	svchost.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	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2192	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	30
PID 3036 wrote to memory of 2192	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	30
PID 3036 wrote to memory of 2192	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	30
PID 3036 wrote to memory of 2192	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	30
PID 3036 wrote to memory of 2424	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	32
PID 3036 wrote to memory of 2424	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	32
PID 3036 wrote to memory of 2424	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	32
PID 3036 wrote to memory of 2424	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	32
PID 3036 wrote to memory of 3060	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	34
PID 3036 wrote to memory of 3060	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	34
PID 3036 wrote to memory of 3060	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	34
PID 3036 wrote to memory of 3060	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	34
PID 3036 wrote to memory of 2840	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	36
PID 3036 wrote to memory of 2840	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	36
PID 3036 wrote to memory of 2840	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	36
PID 3036 wrote to memory of 2840	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	36
PID 3036 wrote to memory of 2828	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	38
PID 3036 wrote to memory of 2828	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	38
PID 3036 wrote to memory of 2828	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	38
PID 3036 wrote to memory of 2828	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	38
PID 3036 wrote to memory of 2984	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	41
PID 3036 wrote to memory of 2984	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	41
PID 3036 wrote to memory of 2984	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	41
PID 3036 wrote to memory of 2984	3036	94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe	41
PID 2988 wrote to memory of 2892	2988	wjspqvhu.exe	43
PID 2988 wrote to memory of 2892	2988	wjspqvhu.exe	43
PID 2988 wrote to memory of 2892	2988	wjspqvhu.exe	43
PID 2988 wrote to memory of 2892	2988	wjspqvhu.exe	43
PID 2988 wrote to memory of 2892	2988	wjspqvhu.exe	43
PID 2988 wrote to memory of 2892	2988	wjspqvhu.exe	43

C:\Users\Admin\AppData\Local\Temp\94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe
"C:\Users\Admin\AppData\Local\Temp\94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mkawlyag\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2192
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wjspqvhu.exe" C:\Windows\SysWOW64\mkawlyag\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2424
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mkawlyag binPath= "C:\Windows\SysWOW64\mkawlyag\wjspqvhu.exe /d\"C:\Users\Admin\AppData\Local\Temp\94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3060
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mkawlyag "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2840
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mkawlyag
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2828
- 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:2984

C:\Windows\SysWOW64\mkawlyag\wjspqvhu.exe
C:\Windows\SysWOW64\mkawlyag\wjspqvhu.exe /d"C:\Users\Admin\AppData\Local\Temp\94c44c1feea87dc133e282cc400aa42253437a7507e322bdd4bb9b0f1583c43c.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:2892

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\wjspqvhu.exe

Filesize
13.3MB

MD5
02990cb65f42c4492d10beb4799a6221

SHA1
c5311457a70ed71e1aae2807e246904c2e9612be

SHA256
03431029f180064dbbcd5426e4c7eb08131a7f629ea0b4a1e818190963886297

SHA512
681d944937d7a046d7661444a37ab7d054c2d4f9caffad063dd5b3ad7caa922e26b0462ff64345548b94d93cd926933a2821d4834d954585a4d8d9c87aa22a62

Download Submit
memory/2892-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2892-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2892-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2892-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2892-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2988-15-0x0000000000400000-0x0000000002F0D000-memory.dmp

Filesize
43.1MB

Download
memory/3036-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3036-1-0x0000000002FE0000-0x00000000030E0000-memory.dmp

Filesize
1024KB

Download
memory/3036-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3036-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/3036-8-0x0000000000400000-0x0000000002F0D000-memory.dmp

Filesize
43.1MB

Download
memory/3036-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads