tofsee | 746beaa50c0b12ebe04c9e3cb94ce16af8eaef1faf42be65c6f75d3100f6f752

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
09-01-2025 19:34

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General

Target

JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe
Size

12.7MB
MD5

d0987197c55ff69af9b2a6f385be5ac4
SHA1

1482d5d6a7f9557a6ad397e1e1bd52a693d0cf38
SHA256

746beaa50c0b12ebe04c9e3cb94ce16af8eaef1faf42be65c6f75d3100f6f752
SHA512

822348312e050b879c328dd5cd177db8eea35ded06566f59ec87c51bc3f59b9d702cd58e2b42917dc94695f8fb6937c55aaa44c4fba049a3115c5adbfcf2b109
SSDEEP

49152:j2mNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNH:C

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

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\glbmotux = "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
2756	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\glbmotux\ImagePath = "C:\\Windows\\SysWOW64\\glbmotux\\ukfrlxbt.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2600	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2772	ukfrlxbt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2772 set thread context of 2600	2772	ukfrlxbt.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2844	sc.exe
1380	sc.exe
2744	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	ukfrlxbt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2436	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	29
PID 2172 wrote to memory of 2436	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	29
PID 2172 wrote to memory of 2436	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	29
PID 2172 wrote to memory of 2436	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	29
PID 2172 wrote to memory of 3008	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	31
PID 2172 wrote to memory of 3008	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	31
PID 2172 wrote to memory of 3008	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	31
PID 2172 wrote to memory of 3008	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	31
PID 2172 wrote to memory of 2844	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	33
PID 2172 wrote to memory of 2844	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	33
PID 2172 wrote to memory of 2844	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	33
PID 2172 wrote to memory of 2844	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	33
PID 2172 wrote to memory of 1380	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	35
PID 2172 wrote to memory of 1380	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	35
PID 2172 wrote to memory of 1380	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	35
PID 2172 wrote to memory of 1380	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	35
PID 2172 wrote to memory of 2744	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	37
PID 2172 wrote to memory of 2744	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	37
PID 2172 wrote to memory of 2744	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	37
PID 2172 wrote to memory of 2744	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	37
PID 2172 wrote to memory of 2756	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	39
PID 2172 wrote to memory of 2756	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	39
PID 2172 wrote to memory of 2756	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	39
PID 2172 wrote to memory of 2756	2172	JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe	39
PID 2772 wrote to memory of 2600	2772	ukfrlxbt.exe	42
PID 2772 wrote to memory of 2600	2772	ukfrlxbt.exe	42
PID 2772 wrote to memory of 2600	2772	ukfrlxbt.exe	42
PID 2772 wrote to memory of 2600	2772	ukfrlxbt.exe	42
PID 2772 wrote to memory of 2600	2772	ukfrlxbt.exe	42
PID 2772 wrote to memory of 2600	2772	ukfrlxbt.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\glbmotux\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2436
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ukfrlxbt.exe" C:\Windows\SysWOW64\glbmotux\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3008
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create glbmotux binPath= "C:\Windows\SysWOW64\glbmotux\ukfrlxbt.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2844
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description glbmotux "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1380
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start glbmotux
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2744
- 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:2756

C:\Windows\SysWOW64\glbmotux\ukfrlxbt.exe
C:\Windows\SysWOW64\glbmotux\ukfrlxbt.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d0987197c55ff69af9b2a6f385be5ac4.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772
- 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:2600

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\ukfrlxbt.exe

Filesize
14.1MB

MD5
77e5bbdc723fe4bb8e4fc98cc0d925a6

SHA1
e58d3427682d4e7b06a1cb3003080c18dff9b521

SHA256
c242feb7c657b0b0bde8a2c5d7d9973107653d86e0a4e8fba835e75bb0bdb8e9

SHA512
958c0c4e007cbfe02fe20d67273b1ef595a31c8c0377b5d4468beeca09f7f3f4b350f9df9a6f36c43f968944588a5d81669459734b0a4069bbc9a1aa258fbb70

Download Submit
memory/2172-6-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/2172-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2172-1-0x0000000000A20000-0x0000000000B20000-memory.dmp

Filesize
1024KB

Download
memory/2172-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2172-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2172-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2600-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2600-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2600-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2600-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2772-15-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads