tofsee | c6192c9da5f9ad389e4c6f4e2554d486b5758afd9d3849e0df314ffa6e590a23

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
28-11-2024 10:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe
Size

10.5MB
MD5

ac0d3e42e558dea172d2398c8b8020be
SHA1

76e32725ab8453fb50e73abdb0f668a56f25c39b
SHA256

c6192c9da5f9ad389e4c6f4e2554d486b5758afd9d3849e0df314ffa6e590a23
SHA512

98efa954ed430e10e408dc974b8f9113592a81f8d7104b0360e9d16d946452b3847ddba064cbcb7e9236691ab2c13d42382e0083707211366b4fb5a532de767a
SSDEEP

24576:lMUcbq/93LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLr:TP9

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

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\qurrucxk = "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
1192	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\qurrucxk\ImagePath = "C:\\Windows\\SysWOW64\\qurrucxk\\sqayyoxn.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2648	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2752	sqayyoxn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2752 set thread context of 2648	2752	sqayyoxn.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2432	sc.exe
2880	sc.exe
2936	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	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.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	sqayyoxn.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	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 2268 wrote to memory of 2532	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	31
PID 2268 wrote to memory of 2532	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	31
PID 2268 wrote to memory of 2532	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	31
PID 2268 wrote to memory of 2532	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	31
PID 2268 wrote to memory of 1620	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	33
PID 2268 wrote to memory of 1620	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	33
PID 2268 wrote to memory of 1620	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	33
PID 2268 wrote to memory of 1620	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	33
PID 2268 wrote to memory of 2432	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	35
PID 2268 wrote to memory of 2432	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	35
PID 2268 wrote to memory of 2432	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	35
PID 2268 wrote to memory of 2432	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	35
PID 2268 wrote to memory of 2880	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	37
PID 2268 wrote to memory of 2880	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	37
PID 2268 wrote to memory of 2880	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	37
PID 2268 wrote to memory of 2880	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	37
PID 2268 wrote to memory of 2936	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	39
PID 2268 wrote to memory of 2936	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	39
PID 2268 wrote to memory of 2936	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	39
PID 2268 wrote to memory of 2936	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	39
PID 2268 wrote to memory of 1192	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	42
PID 2268 wrote to memory of 1192	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	42
PID 2268 wrote to memory of 1192	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	42
PID 2268 wrote to memory of 1192	2268	ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe	42
PID 2752 wrote to memory of 2648	2752	sqayyoxn.exe	44
PID 2752 wrote to memory of 2648	2752	sqayyoxn.exe	44
PID 2752 wrote to memory of 2648	2752	sqayyoxn.exe	44
PID 2752 wrote to memory of 2648	2752	sqayyoxn.exe	44
PID 2752 wrote to memory of 2648	2752	sqayyoxn.exe	44
PID 2752 wrote to memory of 2648	2752	sqayyoxn.exe	44

C:\Users\Admin\AppData\Local\Temp\ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qurrucxk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\sqayyoxn.exe" C:\Windows\SysWOW64\qurrucxk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1620
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qurrucxk binPath= "C:\Windows\SysWOW64\qurrucxk\sqayyoxn.exe /d\"C:\Users\Admin\AppData\Local\Temp\ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2432
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qurrucxk "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2880
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qurrucxk
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2936
- 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:1192

C:\Windows\SysWOW64\qurrucxk\sqayyoxn.exe
C:\Windows\SysWOW64\qurrucxk\sqayyoxn.exe /d"C:\Users\Admin\AppData\Local\Temp\ac0d3e42e558dea172d2398c8b8020be_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2752
- 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:2648

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\sqayyoxn.exe

Filesize
11.6MB

MD5
d4de93930728999714492593ace629df

SHA1
b62dd022032b0615457fd70e85f07c36398ae454

SHA256
54e64a601cc61d6789a011a3777c6df52b6ef13470c3d1851a4472aa4798ed9e

SHA512
51a0940d9c0b344f6aea094c8a11b328eeb024513f28849a095c18a83f9c51c441ff78006aa0ed6660b387e969148ebb214c72ba4881bdd79f2b91cd5776a248

Download Submit
memory/2268-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2268-1-0x0000000002D20000-0x0000000002E20000-memory.dmp

Filesize
1024KB

Download
memory/2268-4-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download
memory/2268-7-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download
memory/2268-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2648-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2648-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2648-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2648-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2648-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2752-16-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads