tofsee | c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531

Analysis

max time kernel
146s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 21:32

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General

Target

JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe
Size

270KB
MD5

4572e49963d2e5a2f834c3f66647c313
SHA1

5133ea013005b1867d964c1c7b68ae9919c11a60
SHA256

c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531
SHA512

f200d03c74068ef8afdb4d69b8e145806c4dcab3c46ebef9f101ee4cf15faafde8107d302033e71ec785e21e47c9a407f68d89bc3aefdd8135ac02e6150c4d38
SSDEEP

6144:VlKUqyUmgpzhSMzmZqIPFphSn0zl19pDJH:fwyUmyAKn0B19b

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\tcphlceq = "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
2988	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\tcphlceq\ImagePath = "C:\\Windows\\SysWOW64\\tcphlceq\\jdmwjmrd.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2936	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2896	jdmwjmrd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2896 set thread context of 2936	2896	jdmwjmrd.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2144	sc.exe
2320	sc.exe
2848	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jdmwjmrd.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 1072	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	30
PID 1724 wrote to memory of 1072	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	30
PID 1724 wrote to memory of 1072	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	30
PID 1724 wrote to memory of 1072	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	30
PID 1724 wrote to memory of 3048	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	32
PID 1724 wrote to memory of 3048	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	32
PID 1724 wrote to memory of 3048	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	32
PID 1724 wrote to memory of 3048	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	32
PID 1724 wrote to memory of 2144	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	34
PID 1724 wrote to memory of 2144	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	34
PID 1724 wrote to memory of 2144	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	34
PID 1724 wrote to memory of 2144	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	34
PID 1724 wrote to memory of 2320	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	36
PID 1724 wrote to memory of 2320	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	36
PID 1724 wrote to memory of 2320	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	36
PID 1724 wrote to memory of 2320	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	36
PID 1724 wrote to memory of 2848	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	38
PID 1724 wrote to memory of 2848	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	38
PID 1724 wrote to memory of 2848	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	38
PID 1724 wrote to memory of 2848	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	38
PID 1724 wrote to memory of 2988	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	41
PID 1724 wrote to memory of 2988	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	41
PID 1724 wrote to memory of 2988	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	41
PID 1724 wrote to memory of 2988	1724	JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe	41
PID 2896 wrote to memory of 2936	2896	jdmwjmrd.exe	43
PID 2896 wrote to memory of 2936	2896	jdmwjmrd.exe	43
PID 2896 wrote to memory of 2936	2896	jdmwjmrd.exe	43
PID 2896 wrote to memory of 2936	2896	jdmwjmrd.exe	43
PID 2896 wrote to memory of 2936	2896	jdmwjmrd.exe	43
PID 2896 wrote to memory of 2936	2896	jdmwjmrd.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tcphlceq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1072
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jdmwjmrd.exe" C:\Windows\SysWOW64\tcphlceq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3048
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create tcphlceq binPath= "C:\Windows\SysWOW64\tcphlceq\jdmwjmrd.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2144
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description tcphlceq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2320
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start tcphlceq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2848
- 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:2988

C:\Windows\SysWOW64\tcphlceq\jdmwjmrd.exe
C:\Windows\SysWOW64\tcphlceq\jdmwjmrd.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c837cd078824befc2f5bcd696d0b7eece7c6ef2b706bc5332d5b1155aac06531.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2896
- 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:2936

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\jdmwjmrd.exe

Filesize
11.7MB

MD5
2e41eb1e079806883560ec7717c0e5c6

SHA1
ea84b2db843d027625ff270d66e62690e3b56fe3

SHA256
a2d014eaa668803bd395b37bba77420ad91af35fca0442cc424ff70bcb45d8ee

SHA512
86c1e242e2e6edb193587d6e80e11d2e96ce50656c1ea3faa2bfd7916ac9a53cf37d4ee70be5cb06e4fb36a60a3ab44c04d7b54a8fa8a8572e9b819858d611ff

Download Submit
memory/1724-8-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1724-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1724-1-0x0000000000600000-0x0000000000700000-memory.dmp

Filesize
1024KB

Download
memory/1724-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1724-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1724-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2896-15-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2936-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2936-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2936-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2936-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2936-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads