tofsee | 034c3cec7c957bc0389b3c8626da669cfa25635957f6acf9cb1c3eec2cfe8643

Analysis

max time kernel
145s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 20:02

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General

Target

JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe
Size

14.5MB
MD5

67f1dd72e4ab8cd18349384a17dc0d90
SHA1

d5e214f0fb5474a7dd085e6af38ae50f08bbd954
SHA256

034c3cec7c957bc0389b3c8626da669cfa25635957f6acf9cb1c3eec2cfe8643
SHA512

2c1066b4e29e49d1010c2e58750aca502926552d43ec32bb9b838af62f88b29205d16b8f4d3f9521c88f2c65c00afa512fab8f99a5206c042cdb8b2f87dc048c
SSDEEP

196608:/tPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP3:/

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\hpxmygmd = "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
2860	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\hpxmygmd\ImagePath = "C:\\Windows\\SysWOW64\\hpxmygmd\\ubecddth.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2896	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2716	ubecddth.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2716 set thread context of 2896	2716	ubecddth.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2424	sc.exe
2260	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	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	ubecddth.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.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	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 1764	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	30
PID 2340 wrote to memory of 1764	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	30
PID 2340 wrote to memory of 1764	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	30
PID 2340 wrote to memory of 1764	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	30
PID 2340 wrote to memory of 1960	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	32
PID 2340 wrote to memory of 1960	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	32
PID 2340 wrote to memory of 1960	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	32
PID 2340 wrote to memory of 1960	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	32
PID 2340 wrote to memory of 2260	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	34
PID 2340 wrote to memory of 2260	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	34
PID 2340 wrote to memory of 2260	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	34
PID 2340 wrote to memory of 2260	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	34
PID 2340 wrote to memory of 2776	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	36
PID 2340 wrote to memory of 2776	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	36
PID 2340 wrote to memory of 2776	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	36
PID 2340 wrote to memory of 2776	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	36
PID 2340 wrote to memory of 2424	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	38
PID 2340 wrote to memory of 2424	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	38
PID 2340 wrote to memory of 2424	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	38
PID 2340 wrote to memory of 2424	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	38
PID 2340 wrote to memory of 2860	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	41
PID 2340 wrote to memory of 2860	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	41
PID 2340 wrote to memory of 2860	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	41
PID 2340 wrote to memory of 2860	2340	JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe	41
PID 2716 wrote to memory of 2896	2716	ubecddth.exe	43
PID 2716 wrote to memory of 2896	2716	ubecddth.exe	43
PID 2716 wrote to memory of 2896	2716	ubecddth.exe	43
PID 2716 wrote to memory of 2896	2716	ubecddth.exe	43
PID 2716 wrote to memory of 2896	2716	ubecddth.exe	43
PID 2716 wrote to memory of 2896	2716	ubecddth.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hpxmygmd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1764
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ubecddth.exe" C:\Windows\SysWOW64\hpxmygmd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1960
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hpxmygmd binPath= "C:\Windows\SysWOW64\hpxmygmd\ubecddth.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2260
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hpxmygmd "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2776
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hpxmygmd
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2424
- 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:2860

C:\Windows\SysWOW64\hpxmygmd\ubecddth.exe
C:\Windows\SysWOW64\hpxmygmd\ubecddth.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2716
- 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:2896

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\ubecddth.exe

Filesize
12.6MB

MD5
679065f0e4909296cab787ebdd7941d6

SHA1
9feaa9285ff948ddbaa8392047cd86d39fb1f95d

SHA256
a9cde42a3a5679519bef98b0c9ada82d0b691491740c0b3a049729f297fbcd48

SHA512
9683a9734bc742940b2d0e6a52493cf836f0d480174ceb781b80a4e0f326b136f2751cb5c8d47bf809efdf42fc6ffa2769cb68f5227917b5c8b4c1afba5a8e1d

Download Submit
memory/2340-8-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download
memory/2340-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2340-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2340-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2340-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2340-1-0x0000000000930000-0x0000000000A30000-memory.dmp

Filesize
1024KB

Download
memory/2716-17-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download
memory/2896-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2896-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2896-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2896-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2896-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads