tofsee | dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 11:10

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General

Target

JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe
Size

344KB
MD5

0b19684e42bf520f8f19611243f09f25
SHA1

8adc00499e77918f089b64af6442883127d8d5c2
SHA256

dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d
SHA512

81509fad5379c5fc6b3f1a1dd6121d2bc879c82550b3783c415df610c70c3592c0aa4cf593fec136f112d9b6d6a8bded2dd29f5a9cb17355a49680e6089367cf
SSDEEP

6144:ygoASmiF7pGffyhLsxAOC9H+DWfGMI8WrZn:d4ayxsxAOC9eDWf05V

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\hrzhzfvx = "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
2728	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\hrzhzfvx\ImagePath = "C:\\Windows\\SysWOW64\\hrzhzfvx\\hvobhbve.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2656	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2708	hvobhbve.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2708 set thread context of 2656	2708	hvobhbve.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2460	sc.exe
2604	sc.exe
2124	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hvobhbve.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2452	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	30
PID 2328 wrote to memory of 2452	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	30
PID 2328 wrote to memory of 2452	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	30
PID 2328 wrote to memory of 2452	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	30
PID 2328 wrote to memory of 1612	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	32
PID 2328 wrote to memory of 1612	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	32
PID 2328 wrote to memory of 1612	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	32
PID 2328 wrote to memory of 1612	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	32
PID 2328 wrote to memory of 2460	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	34
PID 2328 wrote to memory of 2460	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	34
PID 2328 wrote to memory of 2460	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	34
PID 2328 wrote to memory of 2460	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	34
PID 2328 wrote to memory of 2604	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	36
PID 2328 wrote to memory of 2604	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	36
PID 2328 wrote to memory of 2604	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	36
PID 2328 wrote to memory of 2604	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	36
PID 2328 wrote to memory of 2124	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	38
PID 2328 wrote to memory of 2124	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	38
PID 2328 wrote to memory of 2124	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	38
PID 2328 wrote to memory of 2124	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	38
PID 2328 wrote to memory of 2728	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	41
PID 2328 wrote to memory of 2728	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	41
PID 2328 wrote to memory of 2728	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	41
PID 2328 wrote to memory of 2728	2328	JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe	41
PID 2708 wrote to memory of 2656	2708	hvobhbve.exe	43
PID 2708 wrote to memory of 2656	2708	hvobhbve.exe	43
PID 2708 wrote to memory of 2656	2708	hvobhbve.exe	43
PID 2708 wrote to memory of 2656	2708	hvobhbve.exe	43
PID 2708 wrote to memory of 2656	2708	hvobhbve.exe	43
PID 2708 wrote to memory of 2656	2708	hvobhbve.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hrzhzfvx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2452
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hvobhbve.exe" C:\Windows\SysWOW64\hrzhzfvx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1612
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hrzhzfvx binPath= "C:\Windows\SysWOW64\hrzhzfvx\hvobhbve.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2460
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hrzhzfvx "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2604
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hrzhzfvx
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2124
- 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:2728

C:\Windows\SysWOW64\hrzhzfvx\hvobhbve.exe
C:\Windows\SysWOW64\hrzhzfvx\hvobhbve.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dcdc08d7a2a8a7bf9e9c13f7fc0f98cabe9cf01b9393385d99dc78d7aae7635d.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708
- 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:2656

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\hvobhbve.exe

Filesize
11.9MB

MD5
f470f511bc63953a3b00c18309b5f328

SHA1
7f740e291cd76357b4c65ba1714d2e78cad64bb1

SHA256
8120989240a09a806551255726be6a3d3a13e4486b09c5ccbdacf09a7658bf4c

SHA512
705b0c3f5fb746d00c6107208dd23fb758b80d732e4ae93795f30fa78de041aa64eb18b19c39f3ef60de478a92aeea439adfc54d0a8ab10281f5bd9460d41e1b

Download Submit
memory/2328-1-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/2328-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2328-3-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/2328-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2328-8-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/2656-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2656-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2656-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2656-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2656-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2708-16-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads