tofsee | 093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:51

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General

Target

JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe
Size

296KB
MD5

706b81cc3fa7c62ebf8c33571bc4c805
SHA1

b4167d2b276a971f6751990083dbe46c2c1e1ac8
SHA256

093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7
SHA512

02dee4be0c82a98498855ee642980e22acff93b597280d7be9776678cf7c56b381e5da28463a8601868c4ca32dbcd27a821a0c3b6b1e67d51b4a345c0034335e
SSDEEP

6144:HfCqfoXxGFNcpT+l7ALJQaaSXuZet0yy8wu1eozh/wRi7B:GXc7cpOALiaaSXuZet0yy8wu1ecwRi

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\wjgnrhb = "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
2816	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\wjgnrhb\ImagePath = "C:\\Windows\\SysWOW64\\wjgnrhb\\prlawsof.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1992	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2540	prlawsof.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2540 set thread context of 1992	2540	prlawsof.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
1944	sc.exe
2640	sc.exe
2636	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	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	prlawsof.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 2256	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	31
PID 2024 wrote to memory of 2256	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	31
PID 2024 wrote to memory of 2256	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	31
PID 2024 wrote to memory of 2256	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	31
PID 2024 wrote to memory of 2012	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	33
PID 2024 wrote to memory of 2012	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	33
PID 2024 wrote to memory of 2012	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	33
PID 2024 wrote to memory of 2012	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	33
PID 2024 wrote to memory of 1944	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	35
PID 2024 wrote to memory of 1944	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	35
PID 2024 wrote to memory of 1944	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	35
PID 2024 wrote to memory of 1944	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	35
PID 2024 wrote to memory of 2640	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	37
PID 2024 wrote to memory of 2640	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	37
PID 2024 wrote to memory of 2640	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	37
PID 2024 wrote to memory of 2640	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	37
PID 2024 wrote to memory of 2636	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	39
PID 2024 wrote to memory of 2636	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	39
PID 2024 wrote to memory of 2636	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	39
PID 2024 wrote to memory of 2636	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	39
PID 2024 wrote to memory of 2816	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	42
PID 2024 wrote to memory of 2816	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	42
PID 2024 wrote to memory of 2816	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	42
PID 2024 wrote to memory of 2816	2024	JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe	42
PID 2540 wrote to memory of 1992	2540	prlawsof.exe	44
PID 2540 wrote to memory of 1992	2540	prlawsof.exe	44
PID 2540 wrote to memory of 1992	2540	prlawsof.exe	44
PID 2540 wrote to memory of 1992	2540	prlawsof.exe	44
PID 2540 wrote to memory of 1992	2540	prlawsof.exe	44
PID 2540 wrote to memory of 1992	2540	prlawsof.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wjgnrhb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2256
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\prlawsof.exe" C:\Windows\SysWOW64\wjgnrhb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2012
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wjgnrhb binPath= "C:\Windows\SysWOW64\wjgnrhb\prlawsof.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1944
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wjgnrhb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2640
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wjgnrhb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2636
- 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:2816

C:\Windows\SysWOW64\wjgnrhb\prlawsof.exe
C:\Windows\SysWOW64\wjgnrhb\prlawsof.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_093d7fb822dabac4072b15f8f4703874ea5b02ccb09846f55eeb8739d7720cf7.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540
- 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:1992

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\prlawsof.exe

Filesize
13.3MB

MD5
bce1a928e035d7632defe120f1055d5b

SHA1
579c634165dde86de3addbffe6e4222e0330642e

SHA256
75d20706391d00a4a2a0fee5b2d1974a56128fcc407f565e7e5f5c10c6c10baa

SHA512
7b5917d173c5bbad0d569754c145f06c8823cdcae2b82ef7356d9e3a2b8b703cdc16f84872e4a0c078469c784baab8efa71070cccd4dc18864110380a35fa693

Download Submit
memory/1992-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1992-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1992-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1992-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1992-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2024-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2024-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2024-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2024-7-0x0000000000400000-0x0000000001C00000-memory.dmp

Filesize
24.0MB

Download
memory/2024-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2024-1-0x0000000002040000-0x0000000002140000-memory.dmp

Filesize
1024KB

Download
memory/2540-16-0x0000000000400000-0x0000000001C00000-memory.dmp

Filesize
24.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads