tofsee | 81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618

Analysis

max time kernel
147s
max time network
146s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 11:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe
Size

254KB
MD5

74629d3db7f637e0f797ffe848292c52
SHA1

661a8a084530e9bffb3c864d0a303a525af2ba23
SHA256

81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618
SHA512

c25e786fc5902f38ade2d60d06517f9d0e32004065b19d8be9ded5577019d9e48449e8832f3d7a37547096b4c7c18ae9a4e6d37701f1bece314dfdb8b3515fee
SSDEEP

6144:Fu5D3sXRTvOeg0Fdi/DOSchxOtGPoGial4zQ:c9Indi/DOHiGPqP

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\cdjhuxuu = "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
2748	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\cdjhuxuu\ImagePath = "C:\\Windows\\SysWOW64\\cdjhuxuu\\viropugt.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2704	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2532	viropugt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2532 set thread context of 2704	2532	viropugt.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2888	sc.exe
2896	sc.exe
2920	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	viropugt.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 580	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	29
PID 2420 wrote to memory of 580	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	29
PID 2420 wrote to memory of 580	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	29
PID 2420 wrote to memory of 580	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	29
PID 2420 wrote to memory of 544	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	31
PID 2420 wrote to memory of 544	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	31
PID 2420 wrote to memory of 544	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	31
PID 2420 wrote to memory of 544	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	31
PID 2420 wrote to memory of 2888	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	33
PID 2420 wrote to memory of 2888	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	33
PID 2420 wrote to memory of 2888	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	33
PID 2420 wrote to memory of 2888	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	33
PID 2420 wrote to memory of 2896	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	35
PID 2420 wrote to memory of 2896	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	35
PID 2420 wrote to memory of 2896	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	35
PID 2420 wrote to memory of 2896	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	35
PID 2420 wrote to memory of 2920	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	37
PID 2420 wrote to memory of 2920	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	37
PID 2420 wrote to memory of 2920	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	37
PID 2420 wrote to memory of 2920	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	37
PID 2420 wrote to memory of 2748	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	40
PID 2420 wrote to memory of 2748	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	40
PID 2420 wrote to memory of 2748	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	40
PID 2420 wrote to memory of 2748	2420	JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe	40
PID 2532 wrote to memory of 2704	2532	viropugt.exe	42
PID 2532 wrote to memory of 2704	2532	viropugt.exe	42
PID 2532 wrote to memory of 2704	2532	viropugt.exe	42
PID 2532 wrote to memory of 2704	2532	viropugt.exe	42
PID 2532 wrote to memory of 2704	2532	viropugt.exe	42
PID 2532 wrote to memory of 2704	2532	viropugt.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cdjhuxuu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:580
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\viropugt.exe" C:\Windows\SysWOW64\cdjhuxuu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:544
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cdjhuxuu binPath= "C:\Windows\SysWOW64\cdjhuxuu\viropugt.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2888
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description cdjhuxuu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2896
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cdjhuxuu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2920
- 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:2748

C:\Windows\SysWOW64\cdjhuxuu\viropugt.exe
C:\Windows\SysWOW64\cdjhuxuu\viropugt.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_81adb918945e7db12db84a7cbbc85c08f8d43fcc933bfbfe8f7715a6de900618.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2532
- 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:2704

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\viropugt.exe

Filesize
13.4MB

MD5
e6f234c43c134c36aa23e63ba2369d0b

SHA1
852c1fa1007fc3e720cbbcc00816feea42d0e007

SHA256
6c8fa07067cc0f180336c264de5118036b26744d6786a7e8d82bc30b3144d417

SHA512
78cd000feefb7f7a84c42ea9ec62385d39cc2dad9c23d900dbb08110e7fc95bda90316115e532ad8cb86fa267c06d528d555f228047943ed8d40b340f04b5686

Download Submit
memory/2420-9-0x0000000001210000-0x0000000001310000-memory.dmp

Filesize
1024KB

Download
memory/2420-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2420-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2420-7-0x0000000000400000-0x0000000001085000-memory.dmp

Filesize
12.5MB

Download
memory/2420-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2420-1-0x0000000001210000-0x0000000001310000-memory.dmp

Filesize
1024KB

Download
memory/2420-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2532-18-0x0000000000400000-0x0000000001085000-memory.dmp

Filesize
12.5MB

Download
memory/2704-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2704-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2704-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2704-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads