tofsee | 932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 03:44

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General

Target

JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe
Size

334KB
MD5

db961867695b25febb937fcf6b3595eb
SHA1

583659154883a51674224ffec8cfb9df68fac90b
SHA256

932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0
SHA512

f19079147170f3615bd67724b1a179a2c0eb259ca9343990573bdf54226548f611136228bc989d793c91a16bc637665663869037a24277cb361c7087bcafbf40
SSDEEP

6144:PrqoF5nyBcVI7ivrWNjDyYegF90xu2VqUGN1k6ELv1rXV:VnPprWhDyY7F9Mu2Vqfwr

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

mubrikych.top

oxxyfix.xyz

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\arcsaway = "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
2176	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\arcsaway\ImagePath = "C:\\Windows\\SysWOW64\\arcsaway\\zeefuju.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2696	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2916	zeefuju.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2916 set thread context of 2696	2916	zeefuju.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
3068	sc.exe
2744	sc.exe
2924	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	zeefuju.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 2084	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	31
PID 2616 wrote to memory of 2084	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	31
PID 2616 wrote to memory of 2084	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	31
PID 2616 wrote to memory of 2084	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	31
PID 2616 wrote to memory of 2440	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	33
PID 2616 wrote to memory of 2440	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	33
PID 2616 wrote to memory of 2440	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	33
PID 2616 wrote to memory of 2440	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	33
PID 2616 wrote to memory of 3068	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	35
PID 2616 wrote to memory of 3068	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	35
PID 2616 wrote to memory of 3068	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	35
PID 2616 wrote to memory of 3068	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	35
PID 2616 wrote to memory of 2744	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	37
PID 2616 wrote to memory of 2744	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	37
PID 2616 wrote to memory of 2744	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	37
PID 2616 wrote to memory of 2744	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	37
PID 2616 wrote to memory of 2924	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	39
PID 2616 wrote to memory of 2924	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	39
PID 2616 wrote to memory of 2924	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	39
PID 2616 wrote to memory of 2924	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	39
PID 2616 wrote to memory of 2176	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	42
PID 2616 wrote to memory of 2176	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	42
PID 2616 wrote to memory of 2176	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	42
PID 2616 wrote to memory of 2176	2616	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	42
PID 2916 wrote to memory of 2696	2916	zeefuju.exe	44
PID 2916 wrote to memory of 2696	2916	zeefuju.exe	44
PID 2916 wrote to memory of 2696	2916	zeefuju.exe	44
PID 2916 wrote to memory of 2696	2916	zeefuju.exe	44
PID 2916 wrote to memory of 2696	2916	zeefuju.exe	44
PID 2916 wrote to memory of 2696	2916	zeefuju.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\arcsaway\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2084
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zeefuju.exe" C:\Windows\SysWOW64\arcsaway\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2440
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create arcsaway binPath= "C:\Windows\SysWOW64\arcsaway\zeefuju.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3068
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description arcsaway "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2744
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start arcsaway
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2924
- 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:2176

C:\Windows\SysWOW64\arcsaway\zeefuju.exe
C:\Windows\SysWOW64\arcsaway\zeefuju.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2916
- 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\zeefuju.exe

Filesize
12.0MB

MD5
0944e69c27429a4a1a734cbcecd27d74

SHA1
eacf9227bad8a85777fa60982c320b6cc930e723

SHA256
f437c4dc1ab1a41fa6a4b375e77dca77209e1c356d46d175df295fde9ef67f1b

SHA512
daaa4aa0f10e353adbdf59bded453e02f934642767134f73e0784ba05085c1e94176b5ebdc2ebf39662b113ec4887430f3e3e5cddd390199524beb6cc5181ee6

Download Submit
memory/2616-7-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2616-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2616-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2616-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2616-8-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2616-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

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

Filesize
84KB

Download
memory/2696-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

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

Filesize
84KB

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

Filesize
4KB

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

Filesize
84KB

Download
memory/2916-17-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads