tofsee | 1822fa2ba4aefbb104ff7ccc5cda7f369a25cf016a1a3eca55c16bde2ceb4b94

Analysis

max time kernel
146s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-01-2025 13:42

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General

Target

JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe
Size

13.3MB
MD5

26e137a7637690dc59d8e8a2d021faa1
SHA1

c886d75827062fb557ffaee27523f99ea757a9ed
SHA256

1822fa2ba4aefbb104ff7ccc5cda7f369a25cf016a1a3eca55c16bde2ceb4b94
SHA512

9f0efed008a315698a4a1b7127ad4d5d1e4d370c4299391478fff22f37bbb44df2d5d8d768e87c1a58cf9bcdd41d8218b4032eb9de4ae82ed7f6165676d22cb6
SSDEEP

24576:pAWcGx111111111111111111111111111111111111111111111111111111111/:pHH

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\jkkjpfia = "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
2720	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\jkkjpfia\ImagePath = "C:\\Windows\\SysWOW64\\jkkjpfia\\qcjdiobj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2624	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2944	qcjdiobj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2944 set thread context of 2624	2944	qcjdiobj.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2688	sc.exe
2736	sc.exe
2808	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qcjdiobj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.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	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2980	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	30
PID 2100 wrote to memory of 2980	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	30
PID 2100 wrote to memory of 2980	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	30
PID 2100 wrote to memory of 2980	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	30
PID 2100 wrote to memory of 2112	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	33
PID 2100 wrote to memory of 2112	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	33
PID 2100 wrote to memory of 2112	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	33
PID 2100 wrote to memory of 2112	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	33
PID 2100 wrote to memory of 2688	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	35
PID 2100 wrote to memory of 2688	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	35
PID 2100 wrote to memory of 2688	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	35
PID 2100 wrote to memory of 2688	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	35
PID 2100 wrote to memory of 2736	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	37
PID 2100 wrote to memory of 2736	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	37
PID 2100 wrote to memory of 2736	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	37
PID 2100 wrote to memory of 2736	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	37
PID 2100 wrote to memory of 2808	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	39
PID 2100 wrote to memory of 2808	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	39
PID 2100 wrote to memory of 2808	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	39
PID 2100 wrote to memory of 2808	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	39
PID 2100 wrote to memory of 2720	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	42
PID 2100 wrote to memory of 2720	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	42
PID 2100 wrote to memory of 2720	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	42
PID 2100 wrote to memory of 2720	2100	JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe	42
PID 2944 wrote to memory of 2624	2944	qcjdiobj.exe	44
PID 2944 wrote to memory of 2624	2944	qcjdiobj.exe	44
PID 2944 wrote to memory of 2624	2944	qcjdiobj.exe	44
PID 2944 wrote to memory of 2624	2944	qcjdiobj.exe	44
PID 2944 wrote to memory of 2624	2944	qcjdiobj.exe	44
PID 2944 wrote to memory of 2624	2944	qcjdiobj.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jkkjpfia\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2980
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qcjdiobj.exe" C:\Windows\SysWOW64\jkkjpfia\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2112
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jkkjpfia binPath= "C:\Windows\SysWOW64\jkkjpfia\qcjdiobj.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jkkjpfia "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2736
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jkkjpfia
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2808
- 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:2720

C:\Windows\SysWOW64\jkkjpfia\qcjdiobj.exe
C:\Windows\SysWOW64\jkkjpfia\qcjdiobj.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2944
- 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:2624

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\qcjdiobj.exe

Filesize
11.4MB

MD5
8707ca805fbb7a0c05cd573e6465c625

SHA1
3e9ad00c47012a875863f1cdd23626fa983a5129

SHA256
b0140c55757b3c68c5e208ac2dc71604a8b12fcc25a848e02059865cbefcc403

SHA512
54578976127f20448b77c54cc354a132560d792ec95de0f81bedf00843c4cef3b132c684a71b60b74b9c782c8d26b83b194395af7d26aaed6ded65cb83fd7eb4

Download Submit
memory/2100-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2100-3-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2100-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2100-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2100-9-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2624-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2624-14-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2624-11-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2624-16-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2624-18-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2944-17-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads