tofsee | 78b66266e386520e9237277177df4ded95ae576e3037be7283280c45e265bc4c

Analysis

max time kernel
146s
max time network
149s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
09-10-2024 09:43

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General

Target

2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe
Size

11.0MB
MD5

2ee3d2fccb4958d4db46211115b69b4f
SHA1

405236a23bcd689505d0dd9954b0338e6b4e31ca
SHA256

78b66266e386520e9237277177df4ded95ae576e3037be7283280c45e265bc4c
SHA512

6f03e55b0e6a6bf74977f12e2dd1f00b4968d5eb4b4a2b6a62ace3cf7100262c83679d3bfe4d71ae2692ac0298565b389c98ca8b07523a62c1b66866f75b216f
SSDEEP

196608:Xdrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr:Nrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrn

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

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\bhoyzijq = "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
2856	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\bhoyzijq\ImagePath = "C:\\Windows\\SysWOW64\\bhoyzijq\\fvqcwime.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2868	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2216	fvqcwime.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2216 set thread context of 2868	2216	fvqcwime.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
1724	sc.exe
2712	sc.exe
2904	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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.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	fvqcwime.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 1960	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	30
PID 2136 wrote to memory of 1960	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	30
PID 2136 wrote to memory of 1960	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	30
PID 2136 wrote to memory of 1960	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	30
PID 2136 wrote to memory of 1932	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	32
PID 2136 wrote to memory of 1932	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	32
PID 2136 wrote to memory of 1932	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	32
PID 2136 wrote to memory of 1932	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	32
PID 2136 wrote to memory of 1724	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	34
PID 2136 wrote to memory of 1724	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	34
PID 2136 wrote to memory of 1724	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	34
PID 2136 wrote to memory of 1724	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	34
PID 2136 wrote to memory of 2712	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	36
PID 2136 wrote to memory of 2712	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	36
PID 2136 wrote to memory of 2712	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	36
PID 2136 wrote to memory of 2712	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	36
PID 2136 wrote to memory of 2904	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	38
PID 2136 wrote to memory of 2904	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	38
PID 2136 wrote to memory of 2904	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	38
PID 2136 wrote to memory of 2904	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	38
PID 2136 wrote to memory of 2856	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	42
PID 2136 wrote to memory of 2856	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	42
PID 2136 wrote to memory of 2856	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	42
PID 2136 wrote to memory of 2856	2136	2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe	42
PID 2216 wrote to memory of 2868	2216	fvqcwime.exe	44
PID 2216 wrote to memory of 2868	2216	fvqcwime.exe	44
PID 2216 wrote to memory of 2868	2216	fvqcwime.exe	44
PID 2216 wrote to memory of 2868	2216	fvqcwime.exe	44
PID 2216 wrote to memory of 2868	2216	fvqcwime.exe	44
PID 2216 wrote to memory of 2868	2216	fvqcwime.exe	44

C:\Users\Admin\AppData\Local\Temp\2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bhoyzijq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1960
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fvqcwime.exe" C:\Windows\SysWOW64\bhoyzijq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1932
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create bhoyzijq binPath= "C:\Windows\SysWOW64\bhoyzijq\fvqcwime.exe /d\"C:\Users\Admin\AppData\Local\Temp\2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1724
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description bhoyzijq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2712
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start bhoyzijq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2904
- 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:2856

C:\Windows\SysWOW64\bhoyzijq\fvqcwime.exe
C:\Windows\SysWOW64\bhoyzijq\fvqcwime.exe /d"C:\Users\Admin\AppData\Local\Temp\2ee3d2fccb4958d4db46211115b69b4f_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2216
- 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:2868

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\fvqcwime.exe

Filesize
12.8MB

MD5
0e7f9b3a9f76503087e94c2b5539df41

SHA1
325486efe485fe1506d69692d75697eb968932c7

SHA256
4c6b4d2e35397d2ab57443bbd96fda25bdfb5bf932e37dd669b794c0b4222331

SHA512
90eaf93a59d0c368658f9fadb48a9feb1c73cba0ce823b3a9cb0d986fd5ea2e73db82ed8b7cf2e95d15a941e4444d82b8a2f49b5a26fed4813c0beeda6638b7c

Download Submit
memory/2136-8-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2136-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2136-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2136-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2136-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2136-1-0x00000000005E0000-0x00000000006E0000-memory.dmp

Filesize
1024KB

Download
memory/2216-17-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2868-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2868-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2868-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2868-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2868-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads