tofsee | ac7a326d4aee82560990e2a18d311eb56c0c2d4e4dea0a712b27f7041c809c86

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 11:01

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General

Target

JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe
Size

11.6MB
MD5

9c091435e90c9aff994ec6709d3ac5ad
SHA1

8c4671dccf4e9af24cb39a84e6208d1a034df8c4
SHA256

ac7a326d4aee82560990e2a18d311eb56c0c2d4e4dea0a712b27f7041c809c86
SHA512

08cdfa4e9eb3a2bcb220b29c8ff2656f01017567a305eb5e532adcf84a83d3483ef9f9aefca63020e822742a0199f9d77e76767cff3d00ac0d003c54434a5edf
SSDEEP

196608:6MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMX:6MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMX

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\phurpcwl = "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
2204	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\phurpcwl\ImagePath = "C:\\Windows\\SysWOW64\\phurpcwl\\gdotrbyv.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2660	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2712	gdotrbyv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2712 set thread context of 2660	2712	gdotrbyv.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2324	sc.exe
2864	sc.exe
2852	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	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.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
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	gdotrbyv.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 2112	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	30
PID 1916 wrote to memory of 2112	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	30
PID 1916 wrote to memory of 2112	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	30
PID 1916 wrote to memory of 2112	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	30
PID 1916 wrote to memory of 2528	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	32
PID 1916 wrote to memory of 2528	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	32
PID 1916 wrote to memory of 2528	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	32
PID 1916 wrote to memory of 2528	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	32
PID 1916 wrote to memory of 2324	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	34
PID 1916 wrote to memory of 2324	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	34
PID 1916 wrote to memory of 2324	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	34
PID 1916 wrote to memory of 2324	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	34
PID 1916 wrote to memory of 2864	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	36
PID 1916 wrote to memory of 2864	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	36
PID 1916 wrote to memory of 2864	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	36
PID 1916 wrote to memory of 2864	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	36
PID 1916 wrote to memory of 2852	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	38
PID 1916 wrote to memory of 2852	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	38
PID 1916 wrote to memory of 2852	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	38
PID 1916 wrote to memory of 2852	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	38
PID 1916 wrote to memory of 2204	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	41
PID 1916 wrote to memory of 2204	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	41
PID 1916 wrote to memory of 2204	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	41
PID 1916 wrote to memory of 2204	1916	JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe	41
PID 2712 wrote to memory of 2660	2712	gdotrbyv.exe	43
PID 2712 wrote to memory of 2660	2712	gdotrbyv.exe	43
PID 2712 wrote to memory of 2660	2712	gdotrbyv.exe	43
PID 2712 wrote to memory of 2660	2712	gdotrbyv.exe	43
PID 2712 wrote to memory of 2660	2712	gdotrbyv.exe	43
PID 2712 wrote to memory of 2660	2712	gdotrbyv.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\phurpcwl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2112
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gdotrbyv.exe" C:\Windows\SysWOW64\phurpcwl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2528
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create phurpcwl binPath= "C:\Windows\SysWOW64\phurpcwl\gdotrbyv.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2324
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description phurpcwl "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2864
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start phurpcwl
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2852
- 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:2204

C:\Windows\SysWOW64\phurpcwl\gdotrbyv.exe
C:\Windows\SysWOW64\phurpcwl\gdotrbyv.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c091435e90c9aff994ec6709d3ac5ad.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2712
- 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:2660

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\gdotrbyv.exe

Filesize
10.5MB

MD5
afe21dc0d409b1b45f500ca2af266239

SHA1
dad1ca51ec32e3a4ddcfec67b87e45afa1bed656

SHA256
ea0f4d141b927942b486df8f2898d68b71ee5cd87060b5a681785dad42edc119

SHA512
6c471688fd8015eaa49aac0550f8895a09a0e5a5e1762eae101868da16e93a3d22b3fb9174a9f15d6b870568281dcad0d8bd9dcf0c4c3819e7a1024317be080b

Download Submit
memory/1916-7-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/1916-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1916-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/1916-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1916-8-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/1916-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/1916-6-0x0000000000400000-0x0000000002F05000-memory.dmp

Filesize
43.0MB

Download
memory/2660-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2660-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2660-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2660-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2660-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2712-16-0x0000000000400000-0x0000000002F05000-memory.dmp

Filesize
43.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads