tofsee | 7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/12/2024, 02:09

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General

Target

JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe
Size

290KB
MD5

d0935b18c8c4e688770bedde80cc75e3
SHA1

aa5c44e9f1a4c2169a67eb6a7919ab3daf4bd022
SHA256

7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62
SHA512

40fb545ffd988f448e08bd67046b98cc8c420af2ddc5a8fa6a90653583cf48d46849f06b83fcf60941bc2f425622f34af6f04b9a29e6cf96d827a3520fed9fe0
SSDEEP

6144:E4/bmgFd/VXDta0m+6SXuZet0ySbTHgV51pstmNaj:HzVBa0x6SXuZet0ySbTY1psK

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\ndzlwccg = "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
2204	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\ndzlwccg\ImagePath = "C:\\Windows\\SysWOW64\\ndzlwccg\\unyozwpi.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2648	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2712	unyozwpi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2712 set thread context of 2648	2712	unyozwpi.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2792	sc.exe
2856	sc.exe
2852	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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	unyozwpi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2544	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	30
PID 2096 wrote to memory of 2544	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	30
PID 2096 wrote to memory of 2544	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	30
PID 2096 wrote to memory of 2544	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	30
PID 2096 wrote to memory of 1924	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	32
PID 2096 wrote to memory of 1924	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	32
PID 2096 wrote to memory of 1924	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	32
PID 2096 wrote to memory of 1924	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	32
PID 2096 wrote to memory of 2792	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	34
PID 2096 wrote to memory of 2792	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	34
PID 2096 wrote to memory of 2792	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	34
PID 2096 wrote to memory of 2792	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	34
PID 2096 wrote to memory of 2856	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	36
PID 2096 wrote to memory of 2856	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	36
PID 2096 wrote to memory of 2856	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	36
PID 2096 wrote to memory of 2856	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	36
PID 2096 wrote to memory of 2852	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	38
PID 2096 wrote to memory of 2852	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	38
PID 2096 wrote to memory of 2852	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	38
PID 2096 wrote to memory of 2852	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	38
PID 2096 wrote to memory of 2204	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	41
PID 2096 wrote to memory of 2204	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	41
PID 2096 wrote to memory of 2204	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	41
PID 2096 wrote to memory of 2204	2096	JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe	41
PID 2712 wrote to memory of 2648	2712	unyozwpi.exe	43
PID 2712 wrote to memory of 2648	2712	unyozwpi.exe	43
PID 2712 wrote to memory of 2648	2712	unyozwpi.exe	43
PID 2712 wrote to memory of 2648	2712	unyozwpi.exe	43
PID 2712 wrote to memory of 2648	2712	unyozwpi.exe	43
PID 2712 wrote to memory of 2648	2712	unyozwpi.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ndzlwccg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2544
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\unyozwpi.exe" C:\Windows\SysWOW64\ndzlwccg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1924
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ndzlwccg binPath= "C:\Windows\SysWOW64\ndzlwccg\unyozwpi.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2792
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ndzlwccg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2856
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ndzlwccg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2852
- 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:2204

C:\Windows\SysWOW64\ndzlwccg\unyozwpi.exe
C:\Windows\SysWOW64\ndzlwccg\unyozwpi.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7aaa8b1ca724ea23bcaf68edcc1227e9f2215eecb62e910ef2b73f282cff6e62.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2712
- 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:2648

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\unyozwpi.exe

Filesize
12.4MB

MD5
6eabeeebcb496c7c524736f96c7af766

SHA1
88a261518335c385fc83b5e6f49eaac662955b7e

SHA256
c6701ce347fc8c9f899c576ec997e5fcfa1e0bff7299271c2d9d6f6a4781728f

SHA512
5676e214bbd83b95d3579432317f16ad1e4594eafd8ec7e7fce095cb43d719d6fd83ecb8d3ee63466aebc153d8f18ca1f696ea9cbb1390573ca16dacf931ac6f

Download Submit
memory/2096-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2096-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2096-4-0x0000000000400000-0x0000000002B41000-memory.dmp

Filesize
39.3MB

Download
memory/2096-7-0x0000000000400000-0x0000000002B41000-memory.dmp

Filesize
39.3MB

Download
memory/2096-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2648-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2648-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2648-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2648-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2648-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2712-15-0x0000000000400000-0x0000000002B41000-memory.dmp

Filesize
39.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads