tofsee | 0368c3deaa1b74ba4ad8c78d8864fe753180afc90bf176d62e358806d592c1f9

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19-10-2024 23:37

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General

Target

5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe
Size

11.7MB
MD5

5f444dd71f179c39181c76fcfc492697
SHA1

6be8f1d3d9ff5a1bbd57a305fb528614768f14df
SHA256

0368c3deaa1b74ba4ad8c78d8864fe753180afc90bf176d62e358806d592c1f9
SHA512

156068d93086b00ce0ccd31f7b6b66da7c3c43add4933324bb24cc7e6dde1fbcf0d700d33c489c375c8ff5eb09f69dadb080d908076b548bf34cfb35262e2da6
SSDEEP

3072:9NoWIXVg044YmyJc/rY/2Woct6Mz+7L00vyLf9nQLWLIMcesvKeHTQzIaH/q99QY:9NoWwy0jYBkE/vocLz+2QSLIBee8q9N

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

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\hzgqrmac = "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
3016	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\hzgqrmac\ImagePath = "C:\\Windows\\SysWOW64\\hzgqrmac\\smvfsvam.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1064	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2704	smvfsvam.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2704 set thread context of 1064	2704	smvfsvam.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2880	sc.exe
2776	sc.exe
2860	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.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	smvfsvam.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2152	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2152	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2152	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2152	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2132	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	32
PID 2736 wrote to memory of 2132	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	32
PID 2736 wrote to memory of 2132	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	32
PID 2736 wrote to memory of 2132	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	32
PID 2736 wrote to memory of 2880	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	34
PID 2736 wrote to memory of 2880	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	34
PID 2736 wrote to memory of 2880	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	34
PID 2736 wrote to memory of 2880	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	34
PID 2736 wrote to memory of 2776	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	36
PID 2736 wrote to memory of 2776	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	36
PID 2736 wrote to memory of 2776	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	36
PID 2736 wrote to memory of 2776	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	36
PID 2736 wrote to memory of 2860	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	38
PID 2736 wrote to memory of 2860	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	38
PID 2736 wrote to memory of 2860	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	38
PID 2736 wrote to memory of 2860	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	38
PID 2736 wrote to memory of 3016	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	40
PID 2736 wrote to memory of 3016	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	40
PID 2736 wrote to memory of 3016	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	40
PID 2736 wrote to memory of 3016	2736	5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe	40
PID 2704 wrote to memory of 1064	2704	smvfsvam.exe	43
PID 2704 wrote to memory of 1064	2704	smvfsvam.exe	43
PID 2704 wrote to memory of 1064	2704	smvfsvam.exe	43
PID 2704 wrote to memory of 1064	2704	smvfsvam.exe	43
PID 2704 wrote to memory of 1064	2704	smvfsvam.exe	43
PID 2704 wrote to memory of 1064	2704	smvfsvam.exe	43

C:\Users\Admin\AppData\Local\Temp\5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hzgqrmac\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2152
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\smvfsvam.exe" C:\Windows\SysWOW64\hzgqrmac\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2132
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hzgqrmac binPath= "C:\Windows\SysWOW64\hzgqrmac\smvfsvam.exe /d\"C:\Users\Admin\AppData\Local\Temp\5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2880
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hzgqrmac "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 hzgqrmac
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2860
- 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:3016

C:\Windows\SysWOW64\hzgqrmac\smvfsvam.exe
C:\Windows\SysWOW64\hzgqrmac\smvfsvam.exe /d"C:\Users\Admin\AppData\Local\Temp\5f444dd71f179c39181c76fcfc492697_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704
- 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:1064

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\smvfsvam.exe

Filesize
12.7MB

MD5
753b627064ab03a94193509c52a61b81

SHA1
a5b935fd1484dfb25dbb2fa05a67e4a496e18b42

SHA256
6572233aced6c8465d14510cf5ca7763f9c20a9e69cb6e0cb6289d03ad6d5db6

SHA512
a53806bc504456eb2fc715b2fcb2306c12cb52e118b333031fccef5dbf452e4cdf0a085826b18ee879b92d39c6bab73232da2dd0197375162030502304e80ddb

Download Submit
memory/1064-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1064-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1064-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1064-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1064-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2704-16-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/2736-6-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/2736-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2736-1-0x00000000008F0000-0x00000000009F0000-memory.dmp

Filesize
1024KB

Download
memory/2736-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2736-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2736-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads