tofsee | 366823c206ec42f3724746803d925618cad8b3aa43c0bb73169ef157cb68badd

Analysis

max time kernel
144s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-10-2024 22:33

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General

Target

3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe
Size

10.5MB
MD5

3c5fcc8c664439dab4697cc1f81e8298
SHA1

ff4ca1aad3e2896d90d6dffd9fa5b054698656de
SHA256

366823c206ec42f3724746803d925618cad8b3aa43c0bb73169ef157cb68badd
SHA512

3772705430ba459d06eb1b633fe4ec306076c521f6eac812174ef07aaa308a8ea4996f2a0b9412800348a7d39a21feccbad780da89a553da163565c919931397
SSDEEP

49152:iCs+vZDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDj:LJ

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

43.231.4.7

lazystax.ru

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan 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\qfcqrww = "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
2916	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\qfcqrww\ImagePath = "C:\\Windows\\SysWOW64\\qfcqrww\\ugfteowq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2708	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2980	ugfteowq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2980 set thread context of 2708	2980	ugfteowq.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
1712	sc.exe
2824	sc.exe
2508	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	ugfteowq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3c5fcc8c664439dab4697cc1f81e8298_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	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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 2348	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	31
PID 1708 wrote to memory of 2348	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	31
PID 1708 wrote to memory of 2348	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	31
PID 1708 wrote to memory of 2348	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	31
PID 1708 wrote to memory of 2060	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	33
PID 1708 wrote to memory of 2060	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	33
PID 1708 wrote to memory of 2060	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	33
PID 1708 wrote to memory of 2060	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	33
PID 1708 wrote to memory of 2508	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	35
PID 1708 wrote to memory of 2508	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	35
PID 1708 wrote to memory of 2508	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	35
PID 1708 wrote to memory of 2508	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	35
PID 1708 wrote to memory of 1712	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	37
PID 1708 wrote to memory of 1712	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	37
PID 1708 wrote to memory of 1712	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	37
PID 1708 wrote to memory of 1712	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	37
PID 1708 wrote to memory of 2824	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	39
PID 1708 wrote to memory of 2824	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	39
PID 1708 wrote to memory of 2824	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	39
PID 1708 wrote to memory of 2824	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	39
PID 2980 wrote to memory of 2708	2980	ugfteowq.exe	42
PID 2980 wrote to memory of 2708	2980	ugfteowq.exe	42
PID 2980 wrote to memory of 2708	2980	ugfteowq.exe	42
PID 2980 wrote to memory of 2708	2980	ugfteowq.exe	42
PID 2980 wrote to memory of 2708	2980	ugfteowq.exe	42
PID 2980 wrote to memory of 2708	2980	ugfteowq.exe	42
PID 1708 wrote to memory of 2916	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	43
PID 1708 wrote to memory of 2916	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	43
PID 1708 wrote to memory of 2916	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	43
PID 1708 wrote to memory of 2916	1708	3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe	43

C:\Users\Admin\AppData\Local\Temp\3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qfcqrww\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2348
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ugfteowq.exe" C:\Windows\SysWOW64\qfcqrww\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2060
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qfcqrww binPath= "C:\Windows\SysWOW64\qfcqrww\ugfteowq.exe /d\"C:\Users\Admin\AppData\Local\Temp\3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2508
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qfcqrww "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1712
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qfcqrww
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2824
- 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:2916

C:\Windows\SysWOW64\qfcqrww\ugfteowq.exe
C:\Windows\SysWOW64\qfcqrww\ugfteowq.exe /d"C:\Users\Admin\AppData\Local\Temp\3c5fcc8c664439dab4697cc1f81e8298_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2980
- 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:2708

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\ugfteowq.exe

Filesize
13.4MB

MD5
12db3568e59b12fda010828bb082fb4d

SHA1
1516c5a5d2727b4f9150cad51ca4e92669cc101a

SHA256
dec4fc98336e95d23278a20bd087bbde4ec70ac80f806d1adf312e68b559d2c1

SHA512
8b919066c465d43cc0ecfa6678420ba2ccaf566be5d584031e87d2f3021061798d5173745432755fdc542e4c5c5a8a6abb03bcfa25ea9e422cd4636208da54eb

Download Submit
memory/1708-17-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1708-2-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/1708-3-0x00000000003A0000-0x00000000003B3000-memory.dmp

Filesize
76KB

Download
memory/1708-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1708-19-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1708-0-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1708-18-0x00000000003A0000-0x00000000003B3000-memory.dmp

Filesize
76KB

Download
memory/2708-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2708-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2708-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2708-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2708-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2980-16-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2980-8-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads