tofsee | 11d6147df26e5a16c09769034612fcc44cd9eaabadb5f77b18c66584a6b926e5

Analysis

max time kernel
147s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-09-2024 18:22

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General

Target

daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe
Size

12.3MB
MD5

daf5b8603f96ebd16cc689f7be5ffa95
SHA1

b2b255040eb6ddd422839d0e762f4bdc9992fefe
SHA256

11d6147df26e5a16c09769034612fcc44cd9eaabadb5f77b18c66584a6b926e5
SHA512

6c017687720f1f59162371ab36d71c1ef9e3d4457b843b3da1376e25d5ad6058015c517991674f2eb931a8cd512933237a8211e9b3a5ee3d2715eb5d967897b6
SSDEEP

196608:F3qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqa:F

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\kvqspsra = "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
2644	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\kvqspsra\ImagePath = "C:\\Windows\\SysWOW64\\kvqspsra\\omwuuktj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2112	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2948	omwuuktj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2948 set thread context of 2112	2948	omwuuktj.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2772	sc.exe
2892	sc.exe
2788	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	omwuuktj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.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 1712 wrote to memory of 1796	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	30
PID 1712 wrote to memory of 1796	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	30
PID 1712 wrote to memory of 1796	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	30
PID 1712 wrote to memory of 1796	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	30
PID 1712 wrote to memory of 2596	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	32
PID 1712 wrote to memory of 2596	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	32
PID 1712 wrote to memory of 2596	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	32
PID 1712 wrote to memory of 2596	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	32
PID 1712 wrote to memory of 2772	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	34
PID 1712 wrote to memory of 2772	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	34
PID 1712 wrote to memory of 2772	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	34
PID 1712 wrote to memory of 2772	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	34
PID 1712 wrote to memory of 2892	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	36
PID 1712 wrote to memory of 2892	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	36
PID 1712 wrote to memory of 2892	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	36
PID 1712 wrote to memory of 2892	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	36
PID 1712 wrote to memory of 2788	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	38
PID 1712 wrote to memory of 2788	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	38
PID 1712 wrote to memory of 2788	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	38
PID 1712 wrote to memory of 2788	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	38
PID 1712 wrote to memory of 2644	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	41
PID 1712 wrote to memory of 2644	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	41
PID 1712 wrote to memory of 2644	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	41
PID 1712 wrote to memory of 2644	1712	daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe	41
PID 2948 wrote to memory of 2112	2948	omwuuktj.exe	43
PID 2948 wrote to memory of 2112	2948	omwuuktj.exe	43
PID 2948 wrote to memory of 2112	2948	omwuuktj.exe	43
PID 2948 wrote to memory of 2112	2948	omwuuktj.exe	43
PID 2948 wrote to memory of 2112	2948	omwuuktj.exe	43
PID 2948 wrote to memory of 2112	2948	omwuuktj.exe	43

C:\Users\Admin\AppData\Local\Temp\daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kvqspsra\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1796
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\omwuuktj.exe" C:\Windows\SysWOW64\kvqspsra\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2596
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create kvqspsra binPath= "C:\Windows\SysWOW64\kvqspsra\omwuuktj.exe /d\"C:\Users\Admin\AppData\Local\Temp\daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2772
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description kvqspsra "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2892
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start kvqspsra
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2788
- 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:2644

C:\Windows\SysWOW64\kvqspsra\omwuuktj.exe
C:\Windows\SysWOW64\kvqspsra\omwuuktj.exe /d"C:\Users\Admin\AppData\Local\Temp\daf5b8603f96ebd16cc689f7be5ffa95_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2948
- 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:2112

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\omwuuktj.exe

Filesize
13.7MB

MD5
0fc16720cc06c07d126117dcaab8edff

SHA1
3429557eff5bc46d683eed28ce63ba1f2e9c9251

SHA256
83ad35f345591570645c0e8a8f02601a2de099f2a9dd1526eaf51a06f592e0cc

SHA512
611dedef2307f69bd0009e7e4764a0b3993851da11e0a5a1cf2001c4c3f4f90b6e7513b3fe1c54c786d319c2b1990f67fcdb1258fa535aa844978a7ded8e1b05

Download Submit
memory/1712-8-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download
memory/1712-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1712-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1712-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1712-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1712-1-0x0000000000A10000-0x0000000000B10000-memory.dmp

Filesize
1024KB

Download
memory/2112-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2112-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2112-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2112-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2112-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2948-17-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads