tofsee | 58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479

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
23-12-2024 14:55

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General

Target

JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe
Size

286KB
MD5

89e8a1b1e5eec9b15314df6c8232406c
SHA1

7c088ba07bdfef0f3f427cc400ad2237ffc2d331
SHA256

58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479
SHA512

f2d8805adcc2c2b90efcf669323e1f07ba4c4e18d5bdfbb213148447b468c07474692fc20c3d29dc545c63196d433a7d69118aef02781056e8c2b2544bffccf7
SSDEEP

3072:4I9LYEcdxT6FjvfOOlKBFUZHsu0ay/M3Ve2RU1Ujo3RNsPI6MPepmsIm5ejH:40LsP6FjvFlKbyHq6yz3RCIOUZ

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\xupxtmrk = "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
2732	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\xupxtmrk\ImagePath = "C:\\Windows\\SysWOW64\\xupxtmrk\\xcyqord.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2696	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2756	xcyqord.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2756 set thread context of 2696	2756	xcyqord.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2752	sc.exe
2784	sc.exe
2868	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xcyqord.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 2884	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	31
PID 2464 wrote to memory of 2884	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	31
PID 2464 wrote to memory of 2884	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	31
PID 2464 wrote to memory of 2884	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	31
PID 2464 wrote to memory of 2124	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	33
PID 2464 wrote to memory of 2124	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	33
PID 2464 wrote to memory of 2124	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	33
PID 2464 wrote to memory of 2124	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	33
PID 2464 wrote to memory of 2752	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	35
PID 2464 wrote to memory of 2752	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	35
PID 2464 wrote to memory of 2752	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	35
PID 2464 wrote to memory of 2752	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	35
PID 2464 wrote to memory of 2784	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	37
PID 2464 wrote to memory of 2784	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	37
PID 2464 wrote to memory of 2784	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	37
PID 2464 wrote to memory of 2784	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	37
PID 2464 wrote to memory of 2868	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	39
PID 2464 wrote to memory of 2868	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	39
PID 2464 wrote to memory of 2868	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	39
PID 2464 wrote to memory of 2868	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	39
PID 2464 wrote to memory of 2732	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	42
PID 2464 wrote to memory of 2732	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	42
PID 2464 wrote to memory of 2732	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	42
PID 2464 wrote to memory of 2732	2464	JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe	42
PID 2756 wrote to memory of 2696	2756	xcyqord.exe	44
PID 2756 wrote to memory of 2696	2756	xcyqord.exe	44
PID 2756 wrote to memory of 2696	2756	xcyqord.exe	44
PID 2756 wrote to memory of 2696	2756	xcyqord.exe	44
PID 2756 wrote to memory of 2696	2756	xcyqord.exe	44
PID 2756 wrote to memory of 2696	2756	xcyqord.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2464
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xupxtmrk\
  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\xcyqord.exe" C:\Windows\SysWOW64\xupxtmrk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2124
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xupxtmrk binPath= "C:\Windows\SysWOW64\xupxtmrk\xcyqord.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2752
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xupxtmrk "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2784
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xupxtmrk
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2868
- 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:2732

C:\Windows\SysWOW64\xupxtmrk\xcyqord.exe
C:\Windows\SysWOW64\xupxtmrk\xcyqord.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_58752562c0472e1ca8366acd6edf883e0ad1a3ec78ab97500c64f4f76f50f479.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:2696

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\xcyqord.exe

Filesize
14.4MB

MD5
f3ebabae0e4a80b1a9343a9880241528

SHA1
0ace305db77e5a205768f54ba5f522926507df5a

SHA256
142eb05f20843293353c48b0ab60116164702930a979ef72a00f7868a8409d90

SHA512
518d62281cb00907b9336bfaaca00022503201d4849dba90c06ab4fff6ec1b8734a87615e65d806d94e26410e48cce6bfeac0dcb867186f334469af84317d3c7

Download Submit
memory/2464-8-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download
memory/2464-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2464-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2464-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2464-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2464-1-0x0000000002D50000-0x0000000002E50000-memory.dmp

Filesize
1024KB

Download
memory/2696-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2696-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2696-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2696-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2696-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2756-15-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads