tofsee | 0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735

Analysis

max time kernel
147s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 22:11

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General

Target

JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe
Size

292KB
MD5

14936120ec4dd7c433d5af318a2ef8a6
SHA1

a177abb559dc1d6d4e7ddc248c8214aae17d4c8c
SHA256

0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735
SHA512

0de81ca627fcbe7d6f6934c313ae8891db862c45807cc9752a0d768d1637f6351414814f6cedf0328f6c120608984f399add1fa068a9b53ea18ee5d94328e7b5
SSDEEP

6144:yh9vzdC7naJt5JfbrSXuZet0yobwPN2VEyLvo:2zI7Gt55fSXuZet0yobwgEyk

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\qwslfmbp = "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
2556	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\qwslfmbp\ImagePath = "C:\\Windows\\SysWOW64\\qwslfmbp\\wlmsfqkj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2148	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2608	wlmsfqkj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2608 set thread context of 2148	2608	wlmsfqkj.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2984	sc.exe
852	sc.exe
2720	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlmsfqkj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2800	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	30
PID 2648 wrote to memory of 2800	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	30
PID 2648 wrote to memory of 2800	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	30
PID 2648 wrote to memory of 2800	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	30
PID 2648 wrote to memory of 2812	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	32
PID 2648 wrote to memory of 2812	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	32
PID 2648 wrote to memory of 2812	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	32
PID 2648 wrote to memory of 2812	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	32
PID 2648 wrote to memory of 2984	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	34
PID 2648 wrote to memory of 2984	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	34
PID 2648 wrote to memory of 2984	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	34
PID 2648 wrote to memory of 2984	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	34
PID 2648 wrote to memory of 852	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	36
PID 2648 wrote to memory of 852	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	36
PID 2648 wrote to memory of 852	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	36
PID 2648 wrote to memory of 852	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	36
PID 2648 wrote to memory of 2720	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	38
PID 2648 wrote to memory of 2720	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	38
PID 2648 wrote to memory of 2720	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	38
PID 2648 wrote to memory of 2720	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	38
PID 2648 wrote to memory of 2556	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	41
PID 2648 wrote to memory of 2556	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	41
PID 2648 wrote to memory of 2556	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	41
PID 2648 wrote to memory of 2556	2648	JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe	41
PID 2608 wrote to memory of 2148	2608	wlmsfqkj.exe	43
PID 2608 wrote to memory of 2148	2608	wlmsfqkj.exe	43
PID 2608 wrote to memory of 2148	2608	wlmsfqkj.exe	43
PID 2608 wrote to memory of 2148	2608	wlmsfqkj.exe	43
PID 2608 wrote to memory of 2148	2608	wlmsfqkj.exe	43
PID 2608 wrote to memory of 2148	2608	wlmsfqkj.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qwslfmbp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2800
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wlmsfqkj.exe" C:\Windows\SysWOW64\qwslfmbp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qwslfmbp binPath= "C:\Windows\SysWOW64\qwslfmbp\wlmsfqkj.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2984
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qwslfmbp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:852
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qwslfmbp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2720
- 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:2556

C:\Windows\SysWOW64\qwslfmbp\wlmsfqkj.exe
C:\Windows\SysWOW64\qwslfmbp\wlmsfqkj.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0c8460275bff2dbb557dc58ed9ff3d05ec581e9c5f7b8033c7d1d2fa07eca735.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2608
- 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:2148

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\wlmsfqkj.exe

Filesize
12.9MB

MD5
9fb0ff209a856d406e0dfdcfa5dcf8ca

SHA1
2391b41fa92c658ce0fe3271f747e374c27a379e

SHA256
5c9f1e3d4d2e3c8bc7fb59775351737223dd0b82e1850cfe54c8c1ccc8245638

SHA512
d7b5ebc42663d28e0bf690fb41054d8f16f6a8ec375852fa583ee5071e4463b572e0be75906dad8dcc391ec04642dcfe5314e256a13596e3adc97c1845387fcb

Download Submit
memory/2148-15-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2148-17-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2148-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2148-12-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2148-19-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2608-18-0x0000000000400000-0x0000000002B41000-memory.dmp

Filesize
39.3MB

Download
memory/2648-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2648-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2648-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2648-7-0x0000000000400000-0x0000000002B41000-memory.dmp

Filesize
39.3MB

Download
memory/2648-9-0x0000000002C10000-0x0000000002D10000-memory.dmp

Filesize
1024KB

Download
memory/2648-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2648-1-0x0000000002C10000-0x0000000002D10000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads