tofsee | a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 04:05

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General

Target

JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe
Size

209KB
MD5

0d7956955bc6e9a59379be3e1c32b521
SHA1

3c30a13b7338b20537743d2c4f26a3f848895afa
SHA256

a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82
SHA512

3e44ec1980dab1e2480e95e1af37a9e865140ce400445e90babdd884885a25f51c9732241fbf4396d84a1c9c253a94947fa38468ad1684e47ae6c511de496c28
SSDEEP

3072:l7o+8bY15UT/8c4UhnRc6OAK4MdHU0qiRHJWrxpzbgqru2sxkgaBChH:CDE15UTk+cKK4MOUJuzbgwujiga

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\xkeksbmq = "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
2956	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\xkeksbmq\ImagePath = "C:\\Windows\\SysWOW64\\xkeksbmq\\vfkxezyn.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2936	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2816	vfkxezyn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2816 set thread context of 2936	2816	vfkxezyn.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2408	sc.exe
2848	sc.exe
2968	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	svchost.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	vfkxezyn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 1244	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	29
PID 2104 wrote to memory of 1244	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	29
PID 2104 wrote to memory of 1244	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	29
PID 2104 wrote to memory of 1244	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	29
PID 2104 wrote to memory of 2440	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	31
PID 2104 wrote to memory of 2440	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	31
PID 2104 wrote to memory of 2440	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	31
PID 2104 wrote to memory of 2440	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	31
PID 2104 wrote to memory of 2408	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	33
PID 2104 wrote to memory of 2408	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	33
PID 2104 wrote to memory of 2408	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	33
PID 2104 wrote to memory of 2408	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	33
PID 2104 wrote to memory of 2848	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	35
PID 2104 wrote to memory of 2848	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	35
PID 2104 wrote to memory of 2848	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	35
PID 2104 wrote to memory of 2848	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	35
PID 2104 wrote to memory of 2968	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	37
PID 2104 wrote to memory of 2968	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	37
PID 2104 wrote to memory of 2968	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	37
PID 2104 wrote to memory of 2968	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	37
PID 2104 wrote to memory of 2956	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	40
PID 2104 wrote to memory of 2956	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	40
PID 2104 wrote to memory of 2956	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	40
PID 2104 wrote to memory of 2956	2104	JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe	40
PID 2816 wrote to memory of 2936	2816	vfkxezyn.exe	42
PID 2816 wrote to memory of 2936	2816	vfkxezyn.exe	42
PID 2816 wrote to memory of 2936	2816	vfkxezyn.exe	42
PID 2816 wrote to memory of 2936	2816	vfkxezyn.exe	42
PID 2816 wrote to memory of 2936	2816	vfkxezyn.exe	42
PID 2816 wrote to memory of 2936	2816	vfkxezyn.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xkeksbmq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1244
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vfkxezyn.exe" C:\Windows\SysWOW64\xkeksbmq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2440
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xkeksbmq binPath= "C:\Windows\SysWOW64\xkeksbmq\vfkxezyn.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2408
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xkeksbmq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2848
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xkeksbmq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2968
- 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:2956

C:\Windows\SysWOW64\xkeksbmq\vfkxezyn.exe
C:\Windows\SysWOW64\xkeksbmq\vfkxezyn.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a95db7a0471f2717606aab2a74d677670a01d3ec9f1dd642b278151d19bd1d82.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- 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:2936

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\vfkxezyn.exe

Filesize
14.3MB

MD5
bf3daec752650e3bfabb2b4d010ff5c7

SHA1
4b38793d0494fb61bb06a23f821b05e51ad33be4

SHA256
f0d09c0ddfd9fca83ac789756e6c10db793f5173f66dd14ddf67fa40b7354bb1

SHA512
823376850fafc117ab85ef67288b08216912c1c268cf81492e5eb4df209d3d75afec4c8426ffda7f870db2b6d21cc6c2f6e0c82167484d948cc02ec8ee008f9c

Download Submit
memory/2104-7-0x0000000000250000-0x0000000000263000-memory.dmp

Filesize
76KB

Download
memory/2104-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2104-1-0x0000000000250000-0x0000000000263000-memory.dmp

Filesize
76KB

Download
memory/2104-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2104-8-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2104-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2104-6-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2816-14-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2936-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2936-10-0x00000000000E0000-0x00000000000F5000-memory.dmp

Filesize
84KB

Download
memory/2936-13-0x00000000000E0000-0x00000000000F5000-memory.dmp

Filesize
84KB

Download
memory/2936-15-0x00000000000E0000-0x00000000000F5000-memory.dmp

Filesize
84KB

Download
memory/2936-16-0x00000000000E0000-0x00000000000F5000-memory.dmp

Filesize
84KB

Download
memory/2936-17-0x00000000000E0000-0x00000000000F5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads