tofsee | 7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 06:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe
Size

238KB
MD5

88e99e937fb74c00ddd0ad4f2bd2cb6c
SHA1

aa04d71a3586d4bd0e00966f7347eb420e016b67
SHA256

7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22
SHA512

5f861e16c4b7863acc8c60e8363d328f3108417be65870918a81d2f3e93d12b40d2f18ba6c6401e3035c89dd72a021393fdad6a66ae56a31283522ecad468467
SSDEEP

6144:MpZQC4h2Yaltbf2O133EhKew3Oj2GYdK:OZ8altbfDEhFCfG

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\fyzlmcgx = "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
2796	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\fyzlmcgx\ImagePath = "C:\\Windows\\SysWOW64\\fyzlmcgx\\rybzaaqe.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2412	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2756	rybzaaqe.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2756 set thread context of 2412	2756	rybzaaqe.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2296	sc.exe
3060	sc.exe
2172	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rybzaaqe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.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	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2108	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	30
PID 2524 wrote to memory of 2108	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	30
PID 2524 wrote to memory of 2108	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	30
PID 2524 wrote to memory of 2108	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	30
PID 2524 wrote to memory of 2072	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	32
PID 2524 wrote to memory of 2072	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	32
PID 2524 wrote to memory of 2072	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	32
PID 2524 wrote to memory of 2072	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	32
PID 2524 wrote to memory of 2296	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	34
PID 2524 wrote to memory of 2296	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	34
PID 2524 wrote to memory of 2296	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	34
PID 2524 wrote to memory of 2296	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	34
PID 2524 wrote to memory of 3060	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	36
PID 2524 wrote to memory of 3060	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	36
PID 2524 wrote to memory of 3060	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	36
PID 2524 wrote to memory of 3060	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	36
PID 2524 wrote to memory of 2172	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	38
PID 2524 wrote to memory of 2172	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	38
PID 2524 wrote to memory of 2172	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	38
PID 2524 wrote to memory of 2172	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	38
PID 2524 wrote to memory of 2796	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	41
PID 2524 wrote to memory of 2796	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	41
PID 2524 wrote to memory of 2796	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	41
PID 2524 wrote to memory of 2796	2524	JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe	41
PID 2756 wrote to memory of 2412	2756	rybzaaqe.exe	43
PID 2756 wrote to memory of 2412	2756	rybzaaqe.exe	43
PID 2756 wrote to memory of 2412	2756	rybzaaqe.exe	43
PID 2756 wrote to memory of 2412	2756	rybzaaqe.exe	43
PID 2756 wrote to memory of 2412	2756	rybzaaqe.exe	43
PID 2756 wrote to memory of 2412	2756	rybzaaqe.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fyzlmcgx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2108
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rybzaaqe.exe" C:\Windows\SysWOW64\fyzlmcgx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2072
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create fyzlmcgx binPath= "C:\Windows\SysWOW64\fyzlmcgx\rybzaaqe.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2296
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description fyzlmcgx "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3060
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start fyzlmcgx
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2172
- 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:2796

C:\Windows\SysWOW64\fyzlmcgx\rybzaaqe.exe
C:\Windows\SysWOW64\fyzlmcgx\rybzaaqe.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7e6602ff1c7434051e41ae25cffaf8fc0ac0a5ba5e31af197754b96df3d98a22.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- 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:2412

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\rybzaaqe.exe

Filesize
12.6MB

MD5
63805db6ac58c66431790604713da758

SHA1
cff01b13eae8154f917c05dd25592b0c1b29adcf

SHA256
4a8ed7705ac5a2bf7eb3025a7f1a76f6b2bb2c81c9825b019e6e4dc11c3d6b7d

SHA512
7f8806a10716ab358fb53d9362fc337db2655fe1c362e7ccec72539c47845bb812db295cc2b6b6d5c3015c32c2a644a10cd08a093d3e7018f212f78366bd2f22

Download Submit
memory/2412-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2412-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2412-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2412-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2412-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2524-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2524-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2524-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2524-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2524-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2524-1-0x00000000004F0000-0x00000000005F0000-memory.dmp

Filesize
1024KB

Download
memory/2756-15-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads