tofsee | 9cfdc0c6aaa377d24461f118828636346eb37772b83c2501cd9529284ac29f62

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 15:47

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General

Target

JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe
Size

10.4MB
MD5

5af5f614cca9e39b1ca31bedd6bfd18d
SHA1

45a425802fdcbf3d5bce39a73c972569af715958
SHA256

9cfdc0c6aaa377d24461f118828636346eb37772b83c2501cd9529284ac29f62
SHA512

43cc0ef6103967b2f70d414023ea1605fa02f2828bb10e9e0c53fc4ccc7dd71f71bf8589b67345876b9c1d2fa57e5782826170931d7d5414e274770197ce905d
SSDEEP

196608:qwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwn:

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\rdvitvgq = "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
2452	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\rdvitvgq\ImagePath = "C:\\Windows\\SysWOW64\\rdvitvgq\\tdivcxwl.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2708	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2820	tdivcxwl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2820 set thread context of 2708	2820	tdivcxwl.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2760	sc.exe
2836	sc.exe
2904	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.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	tdivcxwl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2940	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	30
PID 2380 wrote to memory of 2940	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	30
PID 2380 wrote to memory of 2940	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	30
PID 2380 wrote to memory of 2940	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	30
PID 2380 wrote to memory of 2304	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	32
PID 2380 wrote to memory of 2304	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	32
PID 2380 wrote to memory of 2304	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	32
PID 2380 wrote to memory of 2304	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	32
PID 2380 wrote to memory of 2904	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	34
PID 2380 wrote to memory of 2904	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	34
PID 2380 wrote to memory of 2904	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	34
PID 2380 wrote to memory of 2904	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	34
PID 2380 wrote to memory of 2760	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	36
PID 2380 wrote to memory of 2760	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	36
PID 2380 wrote to memory of 2760	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	36
PID 2380 wrote to memory of 2760	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	36
PID 2380 wrote to memory of 2836	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	38
PID 2380 wrote to memory of 2836	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	38
PID 2380 wrote to memory of 2836	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	38
PID 2380 wrote to memory of 2836	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	38
PID 2380 wrote to memory of 2452	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	41
PID 2380 wrote to memory of 2452	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	41
PID 2380 wrote to memory of 2452	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	41
PID 2380 wrote to memory of 2452	2380	JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe	41
PID 2820 wrote to memory of 2708	2820	tdivcxwl.exe	43
PID 2820 wrote to memory of 2708	2820	tdivcxwl.exe	43
PID 2820 wrote to memory of 2708	2820	tdivcxwl.exe	43
PID 2820 wrote to memory of 2708	2820	tdivcxwl.exe	43
PID 2820 wrote to memory of 2708	2820	tdivcxwl.exe	43
PID 2820 wrote to memory of 2708	2820	tdivcxwl.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rdvitvgq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2940
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tdivcxwl.exe" C:\Windows\SysWOW64\rdvitvgq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2304
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create rdvitvgq binPath= "C:\Windows\SysWOW64\rdvitvgq\tdivcxwl.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2904
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description rdvitvgq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2760
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start rdvitvgq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2836
- 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:2452

C:\Windows\SysWOW64\rdvitvgq\tdivcxwl.exe
C:\Windows\SysWOW64\rdvitvgq\tdivcxwl.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5af5f614cca9e39b1ca31bedd6bfd18d.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2820
- 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:2708

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
11.7MB

MD5
b723c3d7767136c280055b361b05f4bc

SHA1
7c55e23d4da19e3762c0a675f39d9a123700d2a4

SHA256
3cdc903079497bd7ea78153219def5ae3dc4e02ff8174a82678d0bb6d8b3aaef

SHA512
13eb87a3e8ca5f9e5bd1c0f3198d93abf2272e97ca3c8b2f6a97d5a81d3bca90cd19f3139cb11ddab41baf9447b66ab80a9d0b23a0c59b23ef78183b90bec058

Download Submit
memory/2380-8-0x0000000000400000-0x0000000002F11000-memory.dmp

Filesize
43.1MB

Download
memory/2380-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2380-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2380-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2380-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2380-1-0x0000000002FB0000-0x00000000030B0000-memory.dmp

Filesize
1024KB

Download
memory/2708-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2708-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2708-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2708-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2708-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2820-17-0x0000000000400000-0x0000000002F11000-memory.dmp

Filesize
43.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads