tofsee | e2bccbe745e4aeb17af9be5311326fca14bce9ae8c1f25c01d514393e1f7cf37

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
06-12-2024 16:19

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General

Target

cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe
Size

12.8MB
MD5

cdef13e7d06a949ff9ef11a34d0c71d1
SHA1

3c175b6542ce46e65586e893075e544e76f09119
SHA256

e2bccbe745e4aeb17af9be5311326fca14bce9ae8c1f25c01d514393e1f7cf37
SHA512

f5bbd2985a9d7f0cdd40bc67c6b5f9a86bb70bc6c9ee49a679161deeb761b64aa8fd0c8e01da8b4da4a207737ea796c676fc75fdd8940cdaa84b9858d7abd0d2
SSDEEP

49152:DT81MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMv:DT8

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\sfaemdql = "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
2676	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\sfaemdql\ImagePath = "C:\\Windows\\SysWOW64\\sfaemdql\\dqqonobb.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2604	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2724	dqqonobb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2724 set thread context of 2604	2724	dqqonobb.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
1928	sc.exe
2668	sc.exe
2796	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	dqqonobb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 1060	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	31
PID 2356 wrote to memory of 1060	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	31
PID 2356 wrote to memory of 1060	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	31
PID 2356 wrote to memory of 1060	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	31
PID 2356 wrote to memory of 3064	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	33
PID 2356 wrote to memory of 3064	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	33
PID 2356 wrote to memory of 3064	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	33
PID 2356 wrote to memory of 3064	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	33
PID 2356 wrote to memory of 1928	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	35
PID 2356 wrote to memory of 1928	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	35
PID 2356 wrote to memory of 1928	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	35
PID 2356 wrote to memory of 1928	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	35
PID 2356 wrote to memory of 2668	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	37
PID 2356 wrote to memory of 2668	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	37
PID 2356 wrote to memory of 2668	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	37
PID 2356 wrote to memory of 2668	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	37
PID 2356 wrote to memory of 2796	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	39
PID 2356 wrote to memory of 2796	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	39
PID 2356 wrote to memory of 2796	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	39
PID 2356 wrote to memory of 2796	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	39
PID 2356 wrote to memory of 2676	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	42
PID 2356 wrote to memory of 2676	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	42
PID 2356 wrote to memory of 2676	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	42
PID 2356 wrote to memory of 2676	2356	cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe	42
PID 2724 wrote to memory of 2604	2724	dqqonobb.exe	44
PID 2724 wrote to memory of 2604	2724	dqqonobb.exe	44
PID 2724 wrote to memory of 2604	2724	dqqonobb.exe	44
PID 2724 wrote to memory of 2604	2724	dqqonobb.exe	44
PID 2724 wrote to memory of 2604	2724	dqqonobb.exe	44
PID 2724 wrote to memory of 2604	2724	dqqonobb.exe	44

C:\Users\Admin\AppData\Local\Temp\cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\sfaemdql\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1060
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dqqonobb.exe" C:\Windows\SysWOW64\sfaemdql\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3064
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create sfaemdql binPath= "C:\Windows\SysWOW64\sfaemdql\dqqonobb.exe /d\"C:\Users\Admin\AppData\Local\Temp\cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1928
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description sfaemdql "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2668
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start sfaemdql
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2796
- 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:2676

C:\Windows\SysWOW64\sfaemdql\dqqonobb.exe
C:\Windows\SysWOW64\sfaemdql\dqqonobb.exe /d"C:\Users\Admin\AppData\Local\Temp\cdef13e7d06a949ff9ef11a34d0c71d1_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2724
- 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:2604

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\dqqonobb.exe

Filesize
13.9MB

MD5
e57b389e147361ed5dc2db0d93c840c8

SHA1
801c1cb19f13acd3045c27b9a99f71f415999522

SHA256
15ccb5d585639d3a62eb1c34761d3f5c562aafa5b110c6aebaa42a38c3cf3058

SHA512
6ec72174ba1c95a851e58fe5727a9028461b679e4da585e8d059cc356669a846e781e805e74f99dc520f0a06bce876954b3b1d187e5e55a91af6071455ac8f2b

Download Submit
memory/2356-8-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2356-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2356-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2356-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2356-9-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2356-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2604-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2604-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2604-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2604-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2604-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2604-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2724-15-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads