tofsee | d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 20:56

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General

Target

JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe
Size

287KB
MD5

416145a7704107f66a3d8a498cc69bf5
SHA1

0a9e964946607de5c7043ddbcb7d61a9f2c16b04
SHA256

d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034
SHA512

3a22738f17ae0a1353aa4c309a5696c6fe8e9e14c124578e1c56c09fc73bd34d800183df59e70567dc5076c5deec7325f55c2b3addea995faa4210d27139ee7d
SSDEEP

6144:pTAn1CWp268ehhPaIB1vVtcL30TGBi25x:ZAIT6BhhPxB1vVtO0TGBi

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

mubrikych.top

oxxyfix.xyz

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\jakalayc = "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\jakalayc\ImagePath = "C:\\Windows\\SysWOW64\\jakalayc\\cutiwiiv.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2700	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2692	cutiwiiv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2692 set thread context of 2700	2692	cutiwiiv.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2864	sc.exe
2792	sc.exe
2776	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	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cutiwiiv.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 3036	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	29
PID 1308 wrote to memory of 3036	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	29
PID 1308 wrote to memory of 3036	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	29
PID 1308 wrote to memory of 3036	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	29
PID 1308 wrote to memory of 2260	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	31
PID 1308 wrote to memory of 2260	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	31
PID 1308 wrote to memory of 2260	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	31
PID 1308 wrote to memory of 2260	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	31
PID 1308 wrote to memory of 2864	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	33
PID 1308 wrote to memory of 2864	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	33
PID 1308 wrote to memory of 2864	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	33
PID 1308 wrote to memory of 2864	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	33
PID 1308 wrote to memory of 2792	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	35
PID 1308 wrote to memory of 2792	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	35
PID 1308 wrote to memory of 2792	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	35
PID 1308 wrote to memory of 2792	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	35
PID 1308 wrote to memory of 2776	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	37
PID 1308 wrote to memory of 2776	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	37
PID 1308 wrote to memory of 2776	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	37
PID 1308 wrote to memory of 2776	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	37
PID 1308 wrote to memory of 2680	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	40
PID 1308 wrote to memory of 2680	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	40
PID 1308 wrote to memory of 2680	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	40
PID 1308 wrote to memory of 2680	1308	JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe	40
PID 2692 wrote to memory of 2700	2692	cutiwiiv.exe	42
PID 2692 wrote to memory of 2700	2692	cutiwiiv.exe	42
PID 2692 wrote to memory of 2700	2692	cutiwiiv.exe	42
PID 2692 wrote to memory of 2700	2692	cutiwiiv.exe	42
PID 2692 wrote to memory of 2700	2692	cutiwiiv.exe	42
PID 2692 wrote to memory of 2700	2692	cutiwiiv.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jakalayc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\cutiwiiv.exe" C:\Windows\SysWOW64\jakalayc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2260
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jakalayc binPath= "C:\Windows\SysWOW64\jakalayc\cutiwiiv.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2864
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jakalayc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2792
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jakalayc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2776
- 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\jakalayc\cutiwiiv.exe
C:\Windows\SysWOW64\jakalayc\cutiwiiv.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d4f26d3820d12d559203afb74595449c5098c7f3d692284a0eab05d8e2e7a034.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2692
- 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:2700

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\cutiwiiv.exe

Filesize
14.2MB

MD5
f0ee6ef34ed351f4da8d04d02b29da8f

SHA1
02f39c6c09f49173ab812c576451f056e22f98ad

SHA256
633b499e637f19833040e6efa21107497fcfbd8ea53189fe4cfc460f780f1530

SHA512
02c623d7994d6e3a2774f19c78dde5ebd2138ba493b2a4d831e29204fba60f4b15cd8690c1819ae0b9bedadbe0e9aabf0b9ed84ec718e516611a5704e1e0db67

Download Submit
memory/1308-7-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/1308-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/1308-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1308-9-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/1308-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1308-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/2692-17-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2700-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2700-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2700-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2700-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2700-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads