tofsee | b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b

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
24-12-2024 01:51

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General

Target

JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe
Size

263KB
MD5

c4d2d0ec862b673e31d2c1e60c6c07bf
SHA1

29bd47351d69565013ce75c7f3adcad7f62e68a8
SHA256

b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b
SHA512

25eac99833b31733e3e8c8f6b72ba8ef63d64e7465a947716e49ccdfa60e3347d3b970e6c660b3dbb9aab693b8df7de4a38a605aecc7c6c351a33746a987b0ea
SSDEEP

6144:uvxGxGgf8Ji8E7ZhHJB+Z/IaESeA5VsXhe0TQ2sc9hdShr:uZkff8JiV7ZhrwIaESBDsXUcQlOmJ

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\xaehxjhp = "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
2844	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\xaehxjhp\ImagePath = "C:\\Windows\\SysWOW64\\xaehxjhp\\vpyivydp.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2852	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2496	vpyivydp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2496 set thread context of 2852	2496	vpyivydp.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2040	sc.exe
2324	sc.exe
3048	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vpyivydp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 872	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	30
PID 2116 wrote to memory of 872	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	30
PID 2116 wrote to memory of 872	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	30
PID 2116 wrote to memory of 872	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	30
PID 2116 wrote to memory of 2420	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	32
PID 2116 wrote to memory of 2420	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	32
PID 2116 wrote to memory of 2420	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	32
PID 2116 wrote to memory of 2420	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	32
PID 2116 wrote to memory of 2040	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	34
PID 2116 wrote to memory of 2040	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	34
PID 2116 wrote to memory of 2040	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	34
PID 2116 wrote to memory of 2040	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	34
PID 2116 wrote to memory of 2324	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	36
PID 2116 wrote to memory of 2324	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	36
PID 2116 wrote to memory of 2324	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	36
PID 2116 wrote to memory of 2324	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	36
PID 2116 wrote to memory of 3048	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	38
PID 2116 wrote to memory of 3048	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	38
PID 2116 wrote to memory of 3048	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	38
PID 2116 wrote to memory of 3048	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	38
PID 2116 wrote to memory of 2844	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	41
PID 2116 wrote to memory of 2844	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	41
PID 2116 wrote to memory of 2844	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	41
PID 2116 wrote to memory of 2844	2116	JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe	41
PID 2496 wrote to memory of 2852	2496	vpyivydp.exe	43
PID 2496 wrote to memory of 2852	2496	vpyivydp.exe	43
PID 2496 wrote to memory of 2852	2496	vpyivydp.exe	43
PID 2496 wrote to memory of 2852	2496	vpyivydp.exe	43
PID 2496 wrote to memory of 2852	2496	vpyivydp.exe	43
PID 2496 wrote to memory of 2852	2496	vpyivydp.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xaehxjhp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:872
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vpyivydp.exe" C:\Windows\SysWOW64\xaehxjhp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2420
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xaehxjhp binPath= "C:\Windows\SysWOW64\xaehxjhp\vpyivydp.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2040
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xaehxjhp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2324
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xaehxjhp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3048
- 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:2844

C:\Windows\SysWOW64\xaehxjhp\vpyivydp.exe
C:\Windows\SysWOW64\xaehxjhp\vpyivydp.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3973e6ed16787cb2d51305422f4c17de632b5b341071e8de87076da33cd787b.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2496
- 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:2852

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\vpyivydp.exe

Filesize
12.2MB

MD5
ee7779a335bcdf4795951949ba44fdc8

SHA1
51a23cbacf5d86851d8f993426c6a85e18663cf5

SHA256
884038c790088e94fb7843eb916ad092482d55dae8d331ad50f8d61ce4324cb7

SHA512
a139b0aed709011394d1cd9089a460512d265d7e139bc67c310b65406addf6474c89fe61a08845db5096f4ffe75b73f5839ac0ee441b96acb53a73c02afd2c6d

Download Submit
memory/2116-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2116-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2116-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2116-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2116-8-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download
memory/2116-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2496-15-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download
memory/2852-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2852-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2852-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2852-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2852-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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