tofsee | 14d2c60424d078e0d5900a44f2cf81a1b22224231d20ccd91b8841bff68f9aa2

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
09-01-2025 19:23

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General

Target

JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe
Size

13.9MB
MD5

d05b590cc81b113ed63fe88a4c29fbc5
SHA1

45f68c0c125657b701357e9b16700e3914bf0567
SHA256

14d2c60424d078e0d5900a44f2cf81a1b22224231d20ccd91b8841bff68f9aa2
SHA512

17272f0cd99f55ceb82aeba78ee4496677449a09a98460e619e8c699195d51f2bfd039dfb2c3f5b25b23031da79529fac3b017fbf46cafbcff6bfb0443bd105e
SSDEEP

393216:BMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMs:BMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMs

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\falgmnoa = "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
2912	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\falgmnoa\ImagePath = "C:\\Windows\\SysWOW64\\falgmnoa\\tdivcxwl.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2784	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2816	tdivcxwl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2816 set thread context of 2784	2816	tdivcxwl.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2768	sc.exe
2848	sc.exe
3048	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	tdivcxwl.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
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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 444	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	30
PID 2508 wrote to memory of 444	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	30
PID 2508 wrote to memory of 444	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	30
PID 2508 wrote to memory of 444	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	30
PID 2508 wrote to memory of 2308	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	32
PID 2508 wrote to memory of 2308	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	32
PID 2508 wrote to memory of 2308	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	32
PID 2508 wrote to memory of 2308	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	32
PID 2508 wrote to memory of 2768	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	34
PID 2508 wrote to memory of 2768	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	34
PID 2508 wrote to memory of 2768	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	34
PID 2508 wrote to memory of 2768	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	34
PID 2508 wrote to memory of 2848	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	36
PID 2508 wrote to memory of 2848	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	36
PID 2508 wrote to memory of 2848	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	36
PID 2508 wrote to memory of 2848	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	36
PID 2508 wrote to memory of 3048	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	38
PID 2508 wrote to memory of 3048	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	38
PID 2508 wrote to memory of 3048	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	38
PID 2508 wrote to memory of 3048	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	38
PID 2508 wrote to memory of 2912	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	41
PID 2508 wrote to memory of 2912	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	41
PID 2508 wrote to memory of 2912	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	41
PID 2508 wrote to memory of 2912	2508	JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe	41
PID 2816 wrote to memory of 2784	2816	tdivcxwl.exe	43
PID 2816 wrote to memory of 2784	2816	tdivcxwl.exe	43
PID 2816 wrote to memory of 2784	2816	tdivcxwl.exe	43
PID 2816 wrote to memory of 2784	2816	tdivcxwl.exe	43
PID 2816 wrote to memory of 2784	2816	tdivcxwl.exe	43
PID 2816 wrote to memory of 2784	2816	tdivcxwl.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\falgmnoa\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:444
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tdivcxwl.exe" C:\Windows\SysWOW64\falgmnoa\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2308
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create falgmnoa binPath= "C:\Windows\SysWOW64\falgmnoa\tdivcxwl.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2768
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description falgmnoa "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2848
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start falgmnoa
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3048
- 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:2912

C:\Windows\SysWOW64\falgmnoa\tdivcxwl.exe
C:\Windows\SysWOW64\falgmnoa\tdivcxwl.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d05b590cc81b113ed63fe88a4c29fbc5.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- 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:2784

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\tdivcxwl.exe

Filesize
12.9MB

MD5
d584df58d67e6b99b0bfe24516eb499f

SHA1
44d07129438c468577b8b191ef523e1dfb43c7a2

SHA256
b9abef1b3e65345efdc832f4006c9b76ae057086c5597564c033694c37f56d38

SHA512
c6ddfce2ba5a14154afd314fc68a82c35fb218f0fbe01e93663a2bd35f5faddc5206902dae1cbd088f055947a7cac04bba91c3cb09ca949f801c1b1ca9b1b775

Download Submit
memory/2508-7-0x00000000001B0000-0x00000000001BD000-memory.dmp

Filesize
52KB

Download
memory/2508-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2508-1-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2508-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2508-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2508-0-0x00000000001B0000-0x00000000001BD000-memory.dmp

Filesize
52KB

Download
memory/2508-6-0x0000000000400000-0x0000000002F05000-memory.dmp

Filesize
43.0MB

Download
memory/2784-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2784-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2784-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2784-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2816-16-0x0000000000400000-0x0000000002F05000-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