tofsee | 854edc0ec49f738273a7a1a97ec82ff26535b6891d79d64194f75ca6fd0610cb

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
09-01-2025 03:11

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General

Target

JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe
Size

14.9MB
MD5

babe7231d0a0ad19e2eeb1b4705d05e3
SHA1

d53dc83958869b331b81a70d063db0d7775a6807
SHA256

854edc0ec49f738273a7a1a97ec82ff26535b6891d79d64194f75ca6fd0610cb
SHA512

1079d9e02f9c984b0aa9b98f9a1e283c0f09eaee443e879e24d638350a138bbb43bf3642735586fd4a35fc2cc51887143ea1a8bc27d1691af70e158e553d9d60
SSDEEP

196608:bpWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWH:

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\wtegquuo = "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
2944	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\wtegquuo\ImagePath = "C:\\Windows\\SysWOW64\\wtegquuo\\prlawsof.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2848	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2688	prlawsof.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2688 set thread context of 2848	2688	prlawsof.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2144	sc.exe
2932	sc.exe
2404	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.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
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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	prlawsof.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 1696	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	31
PID 2400 wrote to memory of 1696	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	31
PID 2400 wrote to memory of 1696	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	31
PID 2400 wrote to memory of 1696	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	31
PID 2400 wrote to memory of 2948	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	33
PID 2400 wrote to memory of 2948	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	33
PID 2400 wrote to memory of 2948	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	33
PID 2400 wrote to memory of 2948	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	33
PID 2400 wrote to memory of 2144	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	35
PID 2400 wrote to memory of 2144	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	35
PID 2400 wrote to memory of 2144	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	35
PID 2400 wrote to memory of 2144	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	35
PID 2400 wrote to memory of 2932	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	37
PID 2400 wrote to memory of 2932	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	37
PID 2400 wrote to memory of 2932	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	37
PID 2400 wrote to memory of 2932	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	37
PID 2400 wrote to memory of 2404	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	39
PID 2400 wrote to memory of 2404	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	39
PID 2400 wrote to memory of 2404	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	39
PID 2400 wrote to memory of 2404	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	39
PID 2400 wrote to memory of 2944	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	42
PID 2400 wrote to memory of 2944	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	42
PID 2400 wrote to memory of 2944	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	42
PID 2400 wrote to memory of 2944	2400	JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe	42
PID 2688 wrote to memory of 2848	2688	prlawsof.exe	44
PID 2688 wrote to memory of 2848	2688	prlawsof.exe	44
PID 2688 wrote to memory of 2848	2688	prlawsof.exe	44
PID 2688 wrote to memory of 2848	2688	prlawsof.exe	44
PID 2688 wrote to memory of 2848	2688	prlawsof.exe	44
PID 2688 wrote to memory of 2848	2688	prlawsof.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wtegquuo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1696
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\prlawsof.exe" C:\Windows\SysWOW64\wtegquuo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wtegquuo binPath= "C:\Windows\SysWOW64\wtegquuo\prlawsof.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2144
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wtegquuo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2932
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wtegquuo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2404
- 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:2944

C:\Windows\SysWOW64\wtegquuo\prlawsof.exe
C:\Windows\SysWOW64\wtegquuo\prlawsof.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_babe7231d0a0ad19e2eeb1b4705d05e3.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- 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:2848

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
10.3MB

MD5
ad4db02022070408ab5af0f385dc3a4d

SHA1
5e4a7474cbecf799012e158432450296cd27691d

SHA256
abee954b01f31532c272a1b31d20edea7b0235b840d321544b54836990c36bf9

SHA512
420689d541068820f6b153a835fe26e861789a7792671297c3a350662ee9549748d80e3415b3a822f920056539da252777809a451e79f8a755d23d449f146055

Download Submit
memory/2400-10-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/2400-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2400-2-0x00000000001D0000-0x00000000001E3000-memory.dmp

Filesize
76KB

Download
memory/2400-8-0x0000000000400000-0x0000000002F0D000-memory.dmp

Filesize
43.1MB

Download
memory/2400-9-0x00000000001D0000-0x00000000001E3000-memory.dmp

Filesize
76KB

Download
memory/2400-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/2400-11-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2688-16-0x0000000000400000-0x0000000002F0D000-memory.dmp

Filesize
43.1MB

Download
memory/2848-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads