tofsee | 876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662

Analysis

max time kernel
145s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 18:21

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General

Target

JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe
Size

284KB
MD5

980a1da409587438ce6ad9402f8ef025
SHA1

dc49bfc6d436dbd0a21fe23ff95280811f273c59
SHA256

876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662
SHA512

66391d577a8ba158ffa528d220ea51b6aa626c1c0d9716f4cd90739e7ed960a85594d3cb1419e49224e3f60508cbe3ebe06486df160302b82e3e86526313af14
SSDEEP

6144:UF0i1M8mVdb98uiaMBl1wRnhu8UJfPJZSGp:UF0i1MtVdb4a+wRn6fPJZNp

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\xqvgbnnr = "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
2708	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\xqvgbnnr\ImagePath = "C:\\Windows\\SysWOW64\\xqvgbnnr\\wmhtnzdv.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2856	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2696	wmhtnzdv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2696 set thread context of 2856	2696	wmhtnzdv.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2128	sc.exe
2688	sc.exe
2056	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	sc.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	wmhtnzdv.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_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 2916	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	30
PID 2368 wrote to memory of 2916	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	30
PID 2368 wrote to memory of 2916	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	30
PID 2368 wrote to memory of 2916	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	30
PID 2368 wrote to memory of 1856	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	32
PID 2368 wrote to memory of 1856	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	32
PID 2368 wrote to memory of 1856	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	32
PID 2368 wrote to memory of 1856	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	32
PID 2368 wrote to memory of 2128	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	34
PID 2368 wrote to memory of 2128	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	34
PID 2368 wrote to memory of 2128	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	34
PID 2368 wrote to memory of 2128	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	34
PID 2368 wrote to memory of 2688	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	36
PID 2368 wrote to memory of 2688	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	36
PID 2368 wrote to memory of 2688	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	36
PID 2368 wrote to memory of 2688	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	36
PID 2368 wrote to memory of 2056	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	38
PID 2368 wrote to memory of 2056	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	38
PID 2368 wrote to memory of 2056	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	38
PID 2368 wrote to memory of 2056	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	38
PID 2368 wrote to memory of 2708	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	41
PID 2368 wrote to memory of 2708	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	41
PID 2368 wrote to memory of 2708	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	41
PID 2368 wrote to memory of 2708	2368	JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe	41
PID 2696 wrote to memory of 2856	2696	wmhtnzdv.exe	43
PID 2696 wrote to memory of 2856	2696	wmhtnzdv.exe	43
PID 2696 wrote to memory of 2856	2696	wmhtnzdv.exe	43
PID 2696 wrote to memory of 2856	2696	wmhtnzdv.exe	43
PID 2696 wrote to memory of 2856	2696	wmhtnzdv.exe	43
PID 2696 wrote to memory of 2856	2696	wmhtnzdv.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xqvgbnnr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2916
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wmhtnzdv.exe" C:\Windows\SysWOW64\xqvgbnnr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1856
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xqvgbnnr binPath= "C:\Windows\SysWOW64\xqvgbnnr\wmhtnzdv.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2128
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xqvgbnnr "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xqvgbnnr
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2056
- 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:2708

C:\Windows\SysWOW64\xqvgbnnr\wmhtnzdv.exe
C:\Windows\SysWOW64\xqvgbnnr\wmhtnzdv.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2696
- 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:2856

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\wmhtnzdv.exe

Filesize
11.6MB

MD5
494190ae2825c049d99fa1bb5576619d

SHA1
4679e25d6daabc6089a4dfef1264bb4e460b8b27

SHA256
f3d35cef25881b7d54a0544aa3429921418fc76b3544619ed3dfee4593d446d9

SHA512
cfe2a1cee13905a6bdaaff489e432c7b86cc9c6660d416b77a8e8a785174ac5de853731d91e5f3ca659c0ec691406ebaa5499d4c37daddaaeffc2c818de62132

Download Submit
memory/2368-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2368-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2368-1-0x0000000002CD0000-0x0000000002DD0000-memory.dmp

Filesize
1024KB

Download
memory/2368-11-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2368-10-0x0000000002CD0000-0x0000000002DD0000-memory.dmp

Filesize
1024KB

Download
memory/2368-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2368-8-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download
memory/2696-18-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download
memory/2856-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2856-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2856-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2856-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2856-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads