tofsee | b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 05:11

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General

Target

JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe
Size

333KB
MD5

eb0678df119dfd9e714fba2fae3d5239
SHA1

98f2d165ad96ef58d52276529ca0b00e38ff7295
SHA256

b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94
SHA512

b273f385cac30c8bedc84e8f10ddcc7b1746ed079b64164592c1bacba29e1fbfd9228c8b04f62a55909ff3954e5d97ffd9fc90a20ee68b5720cf3ee11fc110d1
SSDEEP

6144:MomFiQiTBGC2R4Stn/ZV0duUphnrzkXCcLHmGpqwep:tmFsBvI4un/ZV0duuhrYXCc6mL6

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

quadoil.ru

lakeflex.ru

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\utunixwr = "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
2896	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\utunixwr\ImagePath = "C:\\Windows\\SysWOW64\\utunixwr\\wpkwapa.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2300	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2808	wpkwapa.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2808 set thread context of 2300	2808	wpkwapa.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2952	sc.exe
2796	sc.exe
2908	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	wpkwapa.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 2168	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	29
PID 2396 wrote to memory of 2168	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	29
PID 2396 wrote to memory of 2168	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	29
PID 2396 wrote to memory of 2168	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	29
PID 2396 wrote to memory of 1644	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	31
PID 2396 wrote to memory of 1644	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	31
PID 2396 wrote to memory of 1644	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	31
PID 2396 wrote to memory of 1644	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	31
PID 2396 wrote to memory of 2952	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	33
PID 2396 wrote to memory of 2952	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	33
PID 2396 wrote to memory of 2952	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	33
PID 2396 wrote to memory of 2952	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	33
PID 2396 wrote to memory of 2796	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	35
PID 2396 wrote to memory of 2796	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	35
PID 2396 wrote to memory of 2796	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	35
PID 2396 wrote to memory of 2796	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	35
PID 2396 wrote to memory of 2908	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	37
PID 2396 wrote to memory of 2908	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	37
PID 2396 wrote to memory of 2908	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	37
PID 2396 wrote to memory of 2908	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	37
PID 2396 wrote to memory of 2896	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	40
PID 2396 wrote to memory of 2896	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	40
PID 2396 wrote to memory of 2896	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	40
PID 2396 wrote to memory of 2896	2396	JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe	40
PID 2808 wrote to memory of 2300	2808	wpkwapa.exe	42
PID 2808 wrote to memory of 2300	2808	wpkwapa.exe	42
PID 2808 wrote to memory of 2300	2808	wpkwapa.exe	42
PID 2808 wrote to memory of 2300	2808	wpkwapa.exe	42
PID 2808 wrote to memory of 2300	2808	wpkwapa.exe	42
PID 2808 wrote to memory of 2300	2808	wpkwapa.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\utunixwr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2168
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wpkwapa.exe" C:\Windows\SysWOW64\utunixwr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1644
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create utunixwr binPath= "C:\Windows\SysWOW64\utunixwr\wpkwapa.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2952
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description utunixwr "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2796
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start utunixwr
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2908
- 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:2896

C:\Windows\SysWOW64\utunixwr\wpkwapa.exe
C:\Windows\SysWOW64\utunixwr\wpkwapa.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2808
- 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:2300

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\wpkwapa.exe

Filesize
13.1MB

MD5
d2aa59ca3c7033d99e28777841b5542c

SHA1
1c75b78ac1b5a9767ff3e85e7dd0456fcdd36c2d

SHA256
f3faeb8efe4577698ef3680a392e53114bf95a87d4ca69a32ed0fc0d7eab4671

SHA512
1c63d5c008eb7f1146a5abc9277761fc120cfdf62f5e232cb2194088009e814880ab0498b0aed235093ba923b001128ae6cf811aaa62d165efbf61b2cbe410bf

Download Submit
memory/2300-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2300-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2300-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2300-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2300-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2396-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2396-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2396-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2396-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2396-7-0x0000000000400000-0x0000000002B4B000-memory.dmp

Filesize
39.3MB

Download
memory/2396-1-0x0000000002C00000-0x0000000002D00000-memory.dmp

Filesize
1024KB

Download
memory/2808-17-0x0000000000400000-0x0000000002B4B000-memory.dmp

Filesize
39.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads