tofsee | be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412

Analysis

max time kernel
145s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 23:13

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General

Target

JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe
Size

286KB
MD5

92082f3ee0d8768ec943b5d97e35a24d
SHA1

131eab6d807db91b27baff834254fc5c8d6fc184
SHA256

be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412
SHA512

497f0722881b28324ff211808b332ba92717635dc26b7cde8f1c12e01253819cb13219f16517d8161e6d07800bb3345cd505482a201283ea360cc1d73530ae59
SSDEEP

6144:C2ngr+QI7fbVAHpwWM6iujFfov3bMXLoy:C2ngr+QI7fbIwgiuAbe

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

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\jrijzbtw = "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
2868	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\jrijzbtw\ImagePath = "C:\\Windows\\SysWOW64\\jrijzbtw\\dgzhfhpz.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2780	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2448	dgzhfhpz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2448 set thread context of 2780	2448	dgzhfhpz.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2836	sc.exe
2900	sc.exe
2804	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dgzhfhpz.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2652	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	30
PID 3036 wrote to memory of 2652	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	30
PID 3036 wrote to memory of 2652	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	30
PID 3036 wrote to memory of 2652	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	30
PID 3036 wrote to memory of 2756	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	32
PID 3036 wrote to memory of 2756	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	32
PID 3036 wrote to memory of 2756	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	32
PID 3036 wrote to memory of 2756	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	32
PID 3036 wrote to memory of 2836	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	34
PID 3036 wrote to memory of 2836	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	34
PID 3036 wrote to memory of 2836	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	34
PID 3036 wrote to memory of 2836	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	34
PID 3036 wrote to memory of 2900	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	36
PID 3036 wrote to memory of 2900	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	36
PID 3036 wrote to memory of 2900	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	36
PID 3036 wrote to memory of 2900	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	36
PID 3036 wrote to memory of 2804	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	38
PID 3036 wrote to memory of 2804	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	38
PID 3036 wrote to memory of 2804	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	38
PID 3036 wrote to memory of 2804	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	38
PID 3036 wrote to memory of 2868	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	41
PID 3036 wrote to memory of 2868	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	41
PID 3036 wrote to memory of 2868	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	41
PID 3036 wrote to memory of 2868	3036	JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe	41
PID 2448 wrote to memory of 2780	2448	dgzhfhpz.exe	43
PID 2448 wrote to memory of 2780	2448	dgzhfhpz.exe	43
PID 2448 wrote to memory of 2780	2448	dgzhfhpz.exe	43
PID 2448 wrote to memory of 2780	2448	dgzhfhpz.exe	43
PID 2448 wrote to memory of 2780	2448	dgzhfhpz.exe	43
PID 2448 wrote to memory of 2780	2448	dgzhfhpz.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jrijzbtw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2652
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dgzhfhpz.exe" C:\Windows\SysWOW64\jrijzbtw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2756
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jrijzbtw binPath= "C:\Windows\SysWOW64\jrijzbtw\dgzhfhpz.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2836
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jrijzbtw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2900
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jrijzbtw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- 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:2868

C:\Windows\SysWOW64\jrijzbtw\dgzhfhpz.exe
C:\Windows\SysWOW64\jrijzbtw\dgzhfhpz.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_be6deee755d6a66153ddac7571805f5e2d50b067ad240e27210952a228607412.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2448
- 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:2780

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\dgzhfhpz.exe

Filesize
13.6MB

MD5
92c5860033267124d9e91605f21e859b

SHA1
39c5e2f392db54039c791007d3d3305c7ef6e6ee

SHA256
b9c535d0eff805c9bbe708b46905afe9a01a4fa9eb9537d5dc619d5793e3a8ae

SHA512
ce4d76a8cce0376937424ca4c78611ebb1af4bf86bb2014cbf2953404d42700819a90dce5ff6ae59df621bcf304d6296fd66f0b554bb4bd20e11936f426246e2

Download Submit
memory/2448-17-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download
memory/2780-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2780-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2780-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2780-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3036-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3036-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3036-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3036-8-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download
memory/3036-1-0x0000000002C70000-0x0000000002D70000-memory.dmp

Filesize
1024KB

Download
memory/3036-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads