tofsee | cafcc44f7624f3ddd40ca744b82e383f4b8876ae3396f9c7212b50a69e3ef6dd

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 23:04

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General

Target

8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe
Size

10.2MB
MD5

8deef6bb4672714d07c277047a4c5ec3
SHA1

e8fb30d3f6a4f9e98128724d68646cadab62ca14
SHA256

cafcc44f7624f3ddd40ca744b82e383f4b8876ae3396f9c7212b50a69e3ef6dd
SHA512

f451cb75849d014c8b88523ae8bbdca702efe1efd48f31129c670805f4635242a5914a34ced6f8bf0cb86a199248e858839b3106420fe2f7802e4d1ec2553c7e
SSDEEP

98304:vjDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDX:

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\jwhmveda = "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
2872	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\jwhmveda\ImagePath = "C:\\Windows\\SysWOW64\\jwhmveda\\qcowwhwe.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2452	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2596	qcowwhwe.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2596 set thread context of 2452	2596	qcowwhwe.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2724	sc.exe
2924	sc.exe
2736	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	8deef6bb4672714d07c277047a4c5ec3_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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qcowwhwe.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	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 2708 wrote to memory of 2980	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2980	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2980	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2980	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2572	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	32
PID 2708 wrote to memory of 2572	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	32
PID 2708 wrote to memory of 2572	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	32
PID 2708 wrote to memory of 2572	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	32
PID 2708 wrote to memory of 2724	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	34
PID 2708 wrote to memory of 2724	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	34
PID 2708 wrote to memory of 2724	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	34
PID 2708 wrote to memory of 2724	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	34
PID 2708 wrote to memory of 2924	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	36
PID 2708 wrote to memory of 2924	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	36
PID 2708 wrote to memory of 2924	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	36
PID 2708 wrote to memory of 2924	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	36
PID 2708 wrote to memory of 2736	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	38
PID 2708 wrote to memory of 2736	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	38
PID 2708 wrote to memory of 2736	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	38
PID 2708 wrote to memory of 2736	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	38
PID 2708 wrote to memory of 2872	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	40
PID 2708 wrote to memory of 2872	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	40
PID 2708 wrote to memory of 2872	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	40
PID 2708 wrote to memory of 2872	2708	8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe	40
PID 2596 wrote to memory of 2452	2596	qcowwhwe.exe	43
PID 2596 wrote to memory of 2452	2596	qcowwhwe.exe	43
PID 2596 wrote to memory of 2452	2596	qcowwhwe.exe	43
PID 2596 wrote to memory of 2452	2596	qcowwhwe.exe	43
PID 2596 wrote to memory of 2452	2596	qcowwhwe.exe	43
PID 2596 wrote to memory of 2452	2596	qcowwhwe.exe	43

C:\Users\Admin\AppData\Local\Temp\8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jwhmveda\
  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\qcowwhwe.exe" C:\Windows\SysWOW64\jwhmveda\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2572
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jwhmveda binPath= "C:\Windows\SysWOW64\jwhmveda\qcowwhwe.exe /d\"C:\Users\Admin\AppData\Local\Temp\8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2724
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jwhmveda "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2924
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jwhmveda
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2736
- 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:2872

C:\Windows\SysWOW64\jwhmveda\qcowwhwe.exe
C:\Windows\SysWOW64\jwhmveda\qcowwhwe.exe /d"C:\Users\Admin\AppData\Local\Temp\8deef6bb4672714d07c277047a4c5ec3_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2596
- 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:2452

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\qcowwhwe.exe

Filesize
14.4MB

MD5
ff827ff08c5a827f4031097b116fb3fc

SHA1
92137fc5964f93777ac2d22ab35cf89a59919616

SHA256
83513d4b9266cea1afd40e52eac3b8799a4a74480621fa0fb2471c3053c0838c

SHA512
f640dee3a5ea5514ad0853f54f5df86f0b3dfe22b245c04ac9c3fb8d3287aa9b9ad7abe6f42d8b8e1708dc21734220f695c576adb447e29fcffe918793649486

Download Submit
memory/2452-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2452-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2452-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2452-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2452-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2596-17-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2708-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2708-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2708-7-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2708-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2708-6-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2708-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads