tofsee | e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 23:35

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General

Target

JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe
Size

328KB
MD5

89f39e311ddd79b59a40af182fba5d26
SHA1

3e31861cac289a22a617cec2f0274bf6c4d3f83b
SHA256

e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090
SHA512

d8e9245483de0588da7418020a9d96a04a59004f8cebf036256e25c87af5144f97412177d08ddd4424b071d69eb9b5b5185fbe67e6655664714d4d617fb9e289
SSDEEP

6144:WAiKWhKNQ7hHkBNQvbNAJIZMVfwoxounXLd+xf1ECx++pscM0q8:WAi3hHhHkBuYdnXLd+xyC0MD

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\hbtuhrnb = "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
2740	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\hbtuhrnb\ImagePath = "C:\\Windows\\SysWOW64\\hbtuhrnb\\plaafmsj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2992	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2916	plaafmsj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2916 set thread context of 2992	2916	plaafmsj.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2124	sc.exe
1832	sc.exe
2880	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	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	plaafmsj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.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 2508 wrote to memory of 2400	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	30
PID 2508 wrote to memory of 2400	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	30
PID 2508 wrote to memory of 2400	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	30
PID 2508 wrote to memory of 2400	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	30
PID 2508 wrote to memory of 1260	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	32
PID 2508 wrote to memory of 1260	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	32
PID 2508 wrote to memory of 1260	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	32
PID 2508 wrote to memory of 1260	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	32
PID 2508 wrote to memory of 2124	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	34
PID 2508 wrote to memory of 2124	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	34
PID 2508 wrote to memory of 2124	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	34
PID 2508 wrote to memory of 2124	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	34
PID 2508 wrote to memory of 1832	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	36
PID 2508 wrote to memory of 1832	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	36
PID 2508 wrote to memory of 1832	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	36
PID 2508 wrote to memory of 1832	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	36
PID 2508 wrote to memory of 2880	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	38
PID 2508 wrote to memory of 2880	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	38
PID 2508 wrote to memory of 2880	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	38
PID 2508 wrote to memory of 2880	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	38
PID 2508 wrote to memory of 2740	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	41
PID 2508 wrote to memory of 2740	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	41
PID 2508 wrote to memory of 2740	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	41
PID 2508 wrote to memory of 2740	2508	JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe	41
PID 2916 wrote to memory of 2992	2916	plaafmsj.exe	43
PID 2916 wrote to memory of 2992	2916	plaafmsj.exe	43
PID 2916 wrote to memory of 2992	2916	plaafmsj.exe	43
PID 2916 wrote to memory of 2992	2916	plaafmsj.exe	43
PID 2916 wrote to memory of 2992	2916	plaafmsj.exe	43
PID 2916 wrote to memory of 2992	2916	plaafmsj.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.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\hbtuhrnb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2400
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\plaafmsj.exe" C:\Windows\SysWOW64\hbtuhrnb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1260
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hbtuhrnb binPath= "C:\Windows\SysWOW64\hbtuhrnb\plaafmsj.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2124
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hbtuhrnb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1832
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hbtuhrnb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2880
- 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:2740

C:\Windows\SysWOW64\hbtuhrnb\plaafmsj.exe
C:\Windows\SysWOW64\hbtuhrnb\plaafmsj.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e1eb7fe372b39f889e1ca5e172ccc94e1549a421b5c396301d6e8745554cc090.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2916
- 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:2992

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\plaafmsj.exe

Filesize
12.3MB

MD5
82c7c1869753e7ff48d0d586f2a19c89

SHA1
bf7a126a5f43f75cb24d03f84a3b22c7f37df1c2

SHA256
19fdf6bfe55bc9bee32a3489c2aaa0d43cb3a9ca1c8b18f4e7a140dba1d597ca

SHA512
4a1de994633a4c5fe9f7b658cd8fe15a3ee4301a9eee9201beda8932b4d356d70a0baa8445263a7773b85b511703dca2d96215be0b15f42e1dbe60cc1429a4c2

Download Submit
memory/2508-9-0x0000000002550000-0x0000000002650000-memory.dmp

Filesize
1024KB

Download
memory/2508-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2508-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2508-7-0x0000000000400000-0x00000000023A8000-memory.dmp

Filesize
31.7MB

Download
memory/2508-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2508-1-0x0000000002550000-0x0000000002650000-memory.dmp

Filesize
1024KB

Download
memory/2508-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2916-18-0x0000000000400000-0x00000000023A8000-memory.dmp

Filesize
31.7MB

Download
memory/2992-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2992-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2992-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2992-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2992-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads