tofsee | 77cc13b69823c588274c5c567081f0d0cc02aca078dc0ad0040eee5ec9385395

Analysis

max time kernel
146s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-10-2024 16:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe
Size

239KB
MD5

7a5c5be60e0b6cf8fdc5d487a56cc60b
SHA1

bbc32678132d14ae7453c2617f399136123f3dcb
SHA256

77cc13b69823c588274c5c567081f0d0cc02aca078dc0ad0040eee5ec9385395
SHA512

e72d45cc7660f44e3ca931edb475a60700d653f87b3a33f81f12d16a14c6697b5cf1b1b3462471197c91927bdd8e28649d7eaaeffb3957b4fb76f705710cd559
SSDEEP

3072:1NoWIXVg044YmyJc/rY/2Woct6Mz+7L00vyLf9nQLWLIMcesvKeHTQzIaH/q99Q4:1NoWwy0jYBkE/vocLz+2QSLIBee8q9N

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\vxgissdo = "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
2408	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\vxgissdo\ImagePath = "C:\\Windows\\SysWOW64\\vxgissdo\\ipsqrrhv.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2712	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2788	ipsqrrhv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2788 set thread context of 2712	2788	ipsqrrhv.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2688	sc.exe
2804	sc.exe
2056	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	ipsqrrhv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7a5c5be60e0b6cf8fdc5d487a56cc60b_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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 596	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	30
PID 2148 wrote to memory of 596	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	30
PID 2148 wrote to memory of 596	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	30
PID 2148 wrote to memory of 596	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	30
PID 2148 wrote to memory of 2104	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	32
PID 2148 wrote to memory of 2104	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	32
PID 2148 wrote to memory of 2104	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	32
PID 2148 wrote to memory of 2104	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	32
PID 2148 wrote to memory of 2056	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	34
PID 2148 wrote to memory of 2056	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	34
PID 2148 wrote to memory of 2056	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	34
PID 2148 wrote to memory of 2056	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	34
PID 2148 wrote to memory of 2688	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	37
PID 2148 wrote to memory of 2688	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	37
PID 2148 wrote to memory of 2688	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	37
PID 2148 wrote to memory of 2688	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	37
PID 2148 wrote to memory of 2804	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	39
PID 2148 wrote to memory of 2804	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	39
PID 2148 wrote to memory of 2804	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	39
PID 2148 wrote to memory of 2804	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	39
PID 2148 wrote to memory of 2408	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	42
PID 2148 wrote to memory of 2408	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	42
PID 2148 wrote to memory of 2408	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	42
PID 2148 wrote to memory of 2408	2148	7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe	42
PID 2788 wrote to memory of 2712	2788	ipsqrrhv.exe	44
PID 2788 wrote to memory of 2712	2788	ipsqrrhv.exe	44
PID 2788 wrote to memory of 2712	2788	ipsqrrhv.exe	44
PID 2788 wrote to memory of 2712	2788	ipsqrrhv.exe	44
PID 2788 wrote to memory of 2712	2788	ipsqrrhv.exe	44
PID 2788 wrote to memory of 2712	2788	ipsqrrhv.exe	44

C:\Users\Admin\AppData\Local\Temp\7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vxgissdo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:596
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ipsqrrhv.exe" C:\Windows\SysWOW64\vxgissdo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2104
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create vxgissdo binPath= "C:\Windows\SysWOW64\vxgissdo\ipsqrrhv.exe /d\"C:\Users\Admin\AppData\Local\Temp\7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2056
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description vxgissdo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start vxgissdo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- 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:2408

C:\Windows\SysWOW64\vxgissdo\ipsqrrhv.exe
C:\Windows\SysWOW64\vxgissdo\ipsqrrhv.exe /d"C:\Users\Admin\AppData\Local\Temp\7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2788
- 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:2712

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\ipsqrrhv.exe

Filesize
14.6MB

MD5
80ec8db8cfa6b571a0de892a47f2453d

SHA1
6a3d7f656f89af0f1e42e6b505ee8e4a111ee793

SHA256
0746fe8881447fb60b0dc7e89d347b7423a37d4e6a499e5932d0e5da123a94d5

SHA512
25a6b39b9a2efa865bca3538075b10e0e69c7871c319b72bf88fd4fde2c83489c4cf4236a65b7c32cd5afd61e0f8ad17c9110119550338e9f8a39f6a4bd10313

Download Submit
memory/2148-8-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/2148-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2148-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2148-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2148-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2148-1-0x0000000000A20000-0x0000000000B20000-memory.dmp

Filesize
1024KB

Download
memory/2712-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2712-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2712-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2712-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2712-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2788-15-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads