tofsee | fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 23:27

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General

Target

JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe
Size

187KB
MD5

cdae7e032a52e1ee6323c524aed411ce
SHA1

877c52f37cda79f1bf610e947bafffc1227071a5
SHA256

fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c
SHA512

f45bdf62e69f3c1166ed17dd562c5aa53133b9131fce81ac0e9ad4b8260a5b7a41499aa97a6ffa4a0c10927fd28a7cd81b20a260956429b9684fd5d99e2a1fd7
SSDEEP

3072:t7M4KtEHAz7pbdM9aqEI0ZVw1yE/m9yq3uGkB0PXc0GqX9Rz4mFuPbvK:Y8Az1bdM970VwwE+9yOeGc+9Rs+uTv

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\wvtqyflq = "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
2624	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\wvtqyflq\ImagePath = "C:\\Windows\\SysWOW64\\wvtqyflq\\ewovulwd.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2548	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1824	ewovulwd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1824 set thread context of 2548	1824	ewovulwd.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2708	sc.exe
2712	sc.exe
2780	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	ewovulwd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.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 2220 wrote to memory of 2696	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	30
PID 2220 wrote to memory of 2696	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	30
PID 2220 wrote to memory of 2696	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	30
PID 2220 wrote to memory of 2696	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	30
PID 2220 wrote to memory of 2764	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	32
PID 2220 wrote to memory of 2764	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	32
PID 2220 wrote to memory of 2764	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	32
PID 2220 wrote to memory of 2764	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	32
PID 2220 wrote to memory of 2708	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	34
PID 2220 wrote to memory of 2708	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	34
PID 2220 wrote to memory of 2708	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	34
PID 2220 wrote to memory of 2708	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	34
PID 2220 wrote to memory of 2712	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	36
PID 2220 wrote to memory of 2712	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	36
PID 2220 wrote to memory of 2712	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	36
PID 2220 wrote to memory of 2712	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	36
PID 2220 wrote to memory of 2780	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	38
PID 2220 wrote to memory of 2780	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	38
PID 2220 wrote to memory of 2780	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	38
PID 2220 wrote to memory of 2780	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	38
PID 1824 wrote to memory of 2548	1824	ewovulwd.exe	41
PID 1824 wrote to memory of 2548	1824	ewovulwd.exe	41
PID 1824 wrote to memory of 2548	1824	ewovulwd.exe	41
PID 1824 wrote to memory of 2548	1824	ewovulwd.exe	41
PID 1824 wrote to memory of 2548	1824	ewovulwd.exe	41
PID 1824 wrote to memory of 2548	1824	ewovulwd.exe	41
PID 2220 wrote to memory of 2624	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	42
PID 2220 wrote to memory of 2624	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	42
PID 2220 wrote to memory of 2624	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	42
PID 2220 wrote to memory of 2624	2220	JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wvtqyflq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2696
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ewovulwd.exe" C:\Windows\SysWOW64\wvtqyflq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2764
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wvtqyflq binPath= "C:\Windows\SysWOW64\wvtqyflq\ewovulwd.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2708
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wvtqyflq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2712
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wvtqyflq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2780
- 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:2624

C:\Windows\SysWOW64\wvtqyflq\ewovulwd.exe
C:\Windows\SysWOW64\wvtqyflq\ewovulwd.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fe268758e415f3dc3e79f01951b6bcb1e057329c0a87f592b03b35db5481c87c.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1824
- 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:2548

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\ewovulwd.exe

Filesize
13.0MB

MD5
c234246ef89f8578b040fc9c3547e1cf

SHA1
27eba98844d69f211f8fe9a28f7c3fff96ebc8c1

SHA256
4cc495996735bddd4ca91dc83d8519ca9293ae42eafad9b994e06d476135700e

SHA512
fcb251140d02eee3afa91c65160052a7db1e52944699403abf98d1bfc14098335f4747f8b76d6955be8f2a0e5a61eff94ad614d4575f14e00459b453a0c48691

Download Submit
memory/1824-10-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2220-14-0x00000000001D0000-0x00000000001E3000-memory.dmp

Filesize
76KB

Download
memory/2220-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2220-1-0x00000000001D0000-0x00000000001E3000-memory.dmp

Filesize
76KB

Download
memory/2220-12-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2220-0-0x00000000001C0000-0x00000000001CD000-memory.dmp

Filesize
52KB

Download
memory/2220-13-0x00000000001C0000-0x00000000001CD000-memory.dmp

Filesize
52KB

Download
memory/2220-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2548-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2548-9-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2548-6-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2548-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2548-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads