tofsee | 42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777

Analysis

max time kernel
148s
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 15:47

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General

Target

JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe
Size

327KB
MD5

31bdff595ea41c72b706d487bbe4631b
SHA1

f362b7edad57b5d18afba3b0a3917aad800e4985
SHA256

42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777
SHA512

ae6c7a9cd5180076e72501cc0147df2e03e8016027d3f883617399159345696ecf9782721aab4f91541f0be9b25ce9b64f63a5dc28a6ede940020c73098154f7
SSDEEP

6144:O+IZcqfRAQbNAJIZMVfwoFFTnDLu2EfyrprpuxcmqA:OTZcqfqJBnDLu2E+pV0

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\mxetcdti = "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
2680	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\mxetcdti\ImagePath = "C:\\Windows\\SysWOW64\\mxetcdti\\kgvvahne.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2960	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2008	kgvvahne.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2008 set thread context of 2960	2008	kgvvahne.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2624	sc.exe
2440	sc.exe
2636	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	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	kgvvahne.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.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	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2364	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	30
PID 2872 wrote to memory of 2364	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	30
PID 2872 wrote to memory of 2364	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	30
PID 2872 wrote to memory of 2364	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	30
PID 2872 wrote to memory of 2728	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	32
PID 2872 wrote to memory of 2728	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	32
PID 2872 wrote to memory of 2728	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	32
PID 2872 wrote to memory of 2728	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	32
PID 2872 wrote to memory of 2636	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	34
PID 2872 wrote to memory of 2636	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	34
PID 2872 wrote to memory of 2636	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	34
PID 2872 wrote to memory of 2636	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	34
PID 2872 wrote to memory of 2624	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	36
PID 2872 wrote to memory of 2624	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	36
PID 2872 wrote to memory of 2624	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	36
PID 2872 wrote to memory of 2624	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	36
PID 2872 wrote to memory of 2440	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	38
PID 2872 wrote to memory of 2440	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	38
PID 2872 wrote to memory of 2440	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	38
PID 2872 wrote to memory of 2440	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	38
PID 2872 wrote to memory of 2680	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	41
PID 2872 wrote to memory of 2680	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	41
PID 2872 wrote to memory of 2680	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	41
PID 2872 wrote to memory of 2680	2872	JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe	41
PID 2008 wrote to memory of 2960	2008	kgvvahne.exe	43
PID 2008 wrote to memory of 2960	2008	kgvvahne.exe	43
PID 2008 wrote to memory of 2960	2008	kgvvahne.exe	43
PID 2008 wrote to memory of 2960	2008	kgvvahne.exe	43
PID 2008 wrote to memory of 2960	2008	kgvvahne.exe	43
PID 2008 wrote to memory of 2960	2008	kgvvahne.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mxetcdti\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2364
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kgvvahne.exe" C:\Windows\SysWOW64\mxetcdti\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2728
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mxetcdti binPath= "C:\Windows\SysWOW64\mxetcdti\kgvvahne.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2636
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mxetcdti "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2624
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mxetcdti
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2440
- 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:2680

C:\Windows\SysWOW64\mxetcdti\kgvvahne.exe
C:\Windows\SysWOW64\mxetcdti\kgvvahne.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_42c84b049e03a1bad9a8267d9843dc42c8f83be2128725250b56c0ee5d9e5777.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2008
- 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:2960

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\kgvvahne.exe

Filesize
13.7MB

MD5
104f8fdcce1261e378664a69fd50a620

SHA1
5af969380a35de141955748ee1a253c0a1c70912

SHA256
719ca4afd3237c68f8c7d83d8246720006337c8883c8a098fa99874962591b61

SHA512
76706ede3bbbb62ae303cee3030abe66734f401775e42af1b5624e722ce304de5f4b793c7ea6c94bfe22566cfcccaf0734645c1cf6782d2bf2ce0ddf59552da9

Download Submit
memory/2008-15-0x0000000000400000-0x00000000023A8000-memory.dmp

Filesize
31.7MB

Download
memory/2872-8-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2872-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2872-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2872-7-0x0000000000400000-0x00000000023A8000-memory.dmp

Filesize
31.7MB

Download
memory/2872-1-0x0000000002570000-0x0000000002670000-memory.dmp

Filesize
1024KB

Download
memory/2872-2-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2960-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2960-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2960-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2960-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2960-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads