tofsee | 6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 09:10

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General

Target

JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe
Size

279KB
MD5

d32e3e8115f3c17716d37df5a2af78ee
SHA1

1a617fabdee37f4ac34c8e200b9e52268bf72c28
SHA256

6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663
SHA512

cf6a6518f00f4ad093c05e4ffb393ec7e02319a535d0c7fc4941894d90fece8fccb474c48cff6c9b26b440b16845a123b21aa689e2b2368a91e4c61c1a9ac5e3
SSDEEP

3072:e0Zpg7yAH/XDFeioco+MNF5+aBXIynv1VdzQyU2PkbZvUJKYg4Fx2d01Duw92u0U:Atop+MFNVGSkbuJTh2dyyj

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\qutexxtk = "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
2776	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\qutexxtk\ImagePath = "C:\\Windows\\SysWOW64\\qutexxtk\\olwbzjgd.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2680	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2060	olwbzjgd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2060 set thread context of 2680	2060	olwbzjgd.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
3004	sc.exe
2988	sc.exe
2916	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	svchost.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	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	olwbzjgd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2744	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	30
PID 2316 wrote to memory of 2744	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	30
PID 2316 wrote to memory of 2744	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	30
PID 2316 wrote to memory of 2744	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	30
PID 2316 wrote to memory of 2820	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	32
PID 2316 wrote to memory of 2820	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	32
PID 2316 wrote to memory of 2820	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	32
PID 2316 wrote to memory of 2820	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	32
PID 2316 wrote to memory of 3004	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	34
PID 2316 wrote to memory of 3004	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	34
PID 2316 wrote to memory of 3004	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	34
PID 2316 wrote to memory of 3004	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	34
PID 2316 wrote to memory of 2988	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	36
PID 2316 wrote to memory of 2988	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	36
PID 2316 wrote to memory of 2988	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	36
PID 2316 wrote to memory of 2988	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	36
PID 2316 wrote to memory of 2916	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	38
PID 2316 wrote to memory of 2916	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	38
PID 2316 wrote to memory of 2916	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	38
PID 2316 wrote to memory of 2916	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	38
PID 2316 wrote to memory of 2776	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	41
PID 2316 wrote to memory of 2776	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	41
PID 2316 wrote to memory of 2776	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	41
PID 2316 wrote to memory of 2776	2316	JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe	41
PID 2060 wrote to memory of 2680	2060	olwbzjgd.exe	43
PID 2060 wrote to memory of 2680	2060	olwbzjgd.exe	43
PID 2060 wrote to memory of 2680	2060	olwbzjgd.exe	43
PID 2060 wrote to memory of 2680	2060	olwbzjgd.exe	43
PID 2060 wrote to memory of 2680	2060	olwbzjgd.exe	43
PID 2060 wrote to memory of 2680	2060	olwbzjgd.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qutexxtk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2744
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\olwbzjgd.exe" C:\Windows\SysWOW64\qutexxtk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2820
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qutexxtk binPath= "C:\Windows\SysWOW64\qutexxtk\olwbzjgd.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3004
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qutexxtk "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2988
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qutexxtk
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2916
- 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:2776

C:\Windows\SysWOW64\qutexxtk\olwbzjgd.exe
C:\Windows\SysWOW64\qutexxtk\olwbzjgd.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f116c643fbb82bbfd2cb550b35d446b55038c234b191c8b75a43612effc6663.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2060
- 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:2680

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\olwbzjgd.exe

Filesize
11.7MB

MD5
d1bc51c75613c195b2b5992592be9b0a

SHA1
0aabc6a3a4169f24948cbd045cea45f3f596562e

SHA256
672f594f8dd8b0443240ef8c10cad6f1e7020ae3e01eb57b303c2138695b1c34

SHA512
91cf929aa7ba7762c23fc939c827563df65296a9aca123e5b4a1a675668b6e8324fd28fced7c7cf6ee694cdb9956101728447c40f5a4b8a252b726b0d2bf547d

Download Submit
memory/2060-17-0x0000000000400000-0x0000000002B40000-memory.dmp

Filesize
39.2MB

Download
memory/2316-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2316-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2316-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2316-7-0x0000000000400000-0x0000000002B40000-memory.dmp

Filesize
39.2MB

Download
memory/2316-1-0x0000000002D10000-0x0000000002E10000-memory.dmp

Filesize
1024KB

Download
memory/2316-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2680-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2680-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2680-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2680-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2680-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads