tofsee | 9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a

Analysis

max time kernel
147s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/12/2024, 02:43

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General

Target

JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe
Size

332KB
MD5

5b00d589baefadac0c52421428116f82
SHA1

adedf80020d95172b77e961aec1b6a135f0cb124
SHA256

9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a
SHA512

4e92cd23597bf96e5fabc5d826cb9ca4fa0a826d6c44f7c20d71e0682d666c6ed9612a2936bc15f42de88f46d71af2ecf092eef0a3b8fe62b76180eab326f3b3
SSDEEP

6144:coVdMvx4jPA3HBNg6MZ9wdNs+8rDwzC5LxQEiD7VizfvBhh:9X0+jPoa6MZ9wdNs++czC5mLgzXBh

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\mojwbdrz = "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
2796	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\mojwbdrz\ImagePath = "C:\\Windows\\SysWOW64\\mojwbdrz\\tyxvlrap.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1632	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2900	tyxvlrap.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2900 set thread context of 1632	2900	tyxvlrap.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
1812	sc.exe
2652	sc.exe
2756	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tyxvlrap.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 2224	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	31
PID 540 wrote to memory of 2224	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	31
PID 540 wrote to memory of 2224	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	31
PID 540 wrote to memory of 2224	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	31
PID 540 wrote to memory of 2488	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	33
PID 540 wrote to memory of 2488	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	33
PID 540 wrote to memory of 2488	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	33
PID 540 wrote to memory of 2488	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	33
PID 540 wrote to memory of 1812	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	35
PID 540 wrote to memory of 1812	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	35
PID 540 wrote to memory of 1812	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	35
PID 540 wrote to memory of 1812	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	35
PID 540 wrote to memory of 2652	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	37
PID 540 wrote to memory of 2652	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	37
PID 540 wrote to memory of 2652	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	37
PID 540 wrote to memory of 2652	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	37
PID 540 wrote to memory of 2756	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	39
PID 540 wrote to memory of 2756	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	39
PID 540 wrote to memory of 2756	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	39
PID 540 wrote to memory of 2756	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	39
PID 540 wrote to memory of 2796	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	42
PID 540 wrote to memory of 2796	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	42
PID 540 wrote to memory of 2796	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	42
PID 540 wrote to memory of 2796	540	JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe	42
PID 2900 wrote to memory of 1632	2900	tyxvlrap.exe	44
PID 2900 wrote to memory of 1632	2900	tyxvlrap.exe	44
PID 2900 wrote to memory of 1632	2900	tyxvlrap.exe	44
PID 2900 wrote to memory of 1632	2900	tyxvlrap.exe	44
PID 2900 wrote to memory of 1632	2900	tyxvlrap.exe	44
PID 2900 wrote to memory of 1632	2900	tyxvlrap.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mojwbdrz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2224
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tyxvlrap.exe" C:\Windows\SysWOW64\mojwbdrz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2488
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mojwbdrz binPath= "C:\Windows\SysWOW64\mojwbdrz\tyxvlrap.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1812
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mojwbdrz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2652
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mojwbdrz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2756
- 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:2796

C:\Windows\SysWOW64\mojwbdrz\tyxvlrap.exe
C:\Windows\SysWOW64\mojwbdrz\tyxvlrap.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fef4ad49864c299d79389bd707f11c7629917e383154518fd46cb28e6809f8a.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2900
- 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:1632

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\tyxvlrap.exe

Filesize
14.8MB

MD5
5ea78af952d75c7e057e50b131c5e99c

SHA1
619dfaeeceaedde17292c6e20fd9285da407b44b

SHA256
5fd183f95ca8d83364e5a014044684a7560d5ba411b9cdc0ed235e02fa35901b

SHA512
f84db4dfd6d2766534424ddf568c40c9854be776acba0b7a589fa277a433903f09c9f0428ce96ac2d15df2431f1e18da29e46f99352731b73863e29236094d72

Download Submit
memory/540-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/540-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/540-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/540-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/540-9-0x0000000002CD0000-0x0000000002DD0000-memory.dmp

Filesize
1024KB

Download
memory/540-1-0x0000000002CD0000-0x0000000002DD0000-memory.dmp

Filesize
1024KB

Download
memory/540-7-0x0000000000400000-0x0000000002B4B000-memory.dmp

Filesize
39.3MB

Download
memory/1632-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1632-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1632-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1632-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1632-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2900-17-0x0000000000400000-0x0000000002B4B000-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