tofsee | 8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801

Analysis

max time kernel
146s
max time network
146s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 06:54

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General

Target

JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe
Size

209KB
MD5

cb2412d7c6cd6d8b942361f482655a4b
SHA1

ce43dc2225354f5536b795ae307f1a7381c2e566
SHA256

8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801
SHA512

67332318a7eee352b1fe4fbe8455ac2841b233257103391b72fa6859affc724e9f8c508c055780e68c681567e74e104c572f2b90240c84000793a2c9f0244305
SSDEEP

3072:b2YQLjHQky1hGAZtL+w5ayXJ5hKDmgqjghsZVggjcGkNIVqIc52:b2YQLc1hVZtawXNxb7ITsqy

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\bbtozkyv = "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
2740	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\bbtozkyv\ImagePath = "C:\\Windows\\SysWOW64\\bbtozkyv\\afpdytkv.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
528	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2668	afpdytkv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2668 set thread context of 528	2668	afpdytkv.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2696	sc.exe
2912	sc.exe
3044	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	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	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	afpdytkv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2884	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	30
PID 1996 wrote to memory of 2884	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	30
PID 1996 wrote to memory of 2884	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	30
PID 1996 wrote to memory of 2884	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	30
PID 1996 wrote to memory of 2832	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	32
PID 1996 wrote to memory of 2832	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	32
PID 1996 wrote to memory of 2832	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	32
PID 1996 wrote to memory of 2832	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	32
PID 1996 wrote to memory of 3044	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	34
PID 1996 wrote to memory of 3044	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	34
PID 1996 wrote to memory of 3044	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	34
PID 1996 wrote to memory of 3044	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	34
PID 1996 wrote to memory of 2696	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	36
PID 1996 wrote to memory of 2696	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	36
PID 1996 wrote to memory of 2696	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	36
PID 1996 wrote to memory of 2696	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	36
PID 1996 wrote to memory of 2912	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	38
PID 1996 wrote to memory of 2912	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	38
PID 1996 wrote to memory of 2912	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	38
PID 1996 wrote to memory of 2912	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	38
PID 1996 wrote to memory of 2740	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	41
PID 1996 wrote to memory of 2740	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	41
PID 1996 wrote to memory of 2740	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	41
PID 1996 wrote to memory of 2740	1996	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	41
PID 2668 wrote to memory of 528	2668	afpdytkv.exe	43
PID 2668 wrote to memory of 528	2668	afpdytkv.exe	43
PID 2668 wrote to memory of 528	2668	afpdytkv.exe	43
PID 2668 wrote to memory of 528	2668	afpdytkv.exe	43
PID 2668 wrote to memory of 528	2668	afpdytkv.exe	43
PID 2668 wrote to memory of 528	2668	afpdytkv.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bbtozkyv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2884
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\afpdytkv.exe" C:\Windows\SysWOW64\bbtozkyv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2832
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create bbtozkyv binPath= "C:\Windows\SysWOW64\bbtozkyv\afpdytkv.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3044
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description bbtozkyv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2696
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start bbtozkyv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2912
- 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:2740

C:\Windows\SysWOW64\bbtozkyv\afpdytkv.exe
C:\Windows\SysWOW64\bbtozkyv\afpdytkv.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2668
- 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:528

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\afpdytkv.exe

Filesize
12.4MB

MD5
4c48128dcf51dd5ed141fa8a888715c7

SHA1
797dd1200e1cc0d82a683c865c8564dd07cb90fd

SHA256
b764f420e7be2404ba3272f4271413cf3114b0e14491b02e4d50c51b2f37ca1f

SHA512
757dc64aa077f695a5df5727de3fd15c90ec5738ccac17dbf24e288a42c63e6ac03e82a58e22451f7030e9e66b5dcbbe28b44ad739725c4cdd5276ff3cc27745

Download Submit
memory/528-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/528-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/528-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/528-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/528-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1996-7-0x0000000000400000-0x0000000000825000-memory.dmp

Filesize
4.1MB

Download
memory/1996-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1996-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1996-0-0x0000000000020000-0x000000000002D000-memory.dmp

Filesize
52KB

Download
memory/1996-8-0x0000000000020000-0x000000000002D000-memory.dmp

Filesize
52KB

Download
memory/1996-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1996-5-0x0000000000400000-0x0000000000825000-memory.dmp

Filesize
4.1MB

Download
memory/1996-1-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2668-17-0x0000000000400000-0x0000000000825000-memory.dmp

Filesize
4.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads