tofsee | bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd

Analysis

max time kernel
147s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:34

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe
Size

138KB
MD5

b9a33b8cb9f482ff1cb3774e97ead4dd
SHA1

0ba07890880d2d95f45d7c34bba682c1cc66b646
SHA256

bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd
SHA512

544bab5b54ce30cdf91ea970821d4314c34d002d81a139a2ce17eaa7e7997ceb391e19cdb4c44690e0246b51de5e77d0577c3a239996d7b23cf2c6b0515f32fd
SSDEEP

3072:XkhQBATi5WIOdtW3yHFJ55yHNq9MvsTuR6:XnYi51WYq9Mvuu

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\ctfvfrqs = "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
2840	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\ctfvfrqs\ImagePath = "C:\\Windows\\SysWOW64\\ctfvfrqs\\qktdqtyk.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2644	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2732	qktdqtyk.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2732 set thread context of 2644	2732	qktdqtyk.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
3056	sc.exe
2716	sc.exe
2856	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	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qktdqtyk.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 2316	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	30
PID 2332 wrote to memory of 2316	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	30
PID 2332 wrote to memory of 2316	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	30
PID 2332 wrote to memory of 2316	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	30
PID 2332 wrote to memory of 2480	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	32
PID 2332 wrote to memory of 2480	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	32
PID 2332 wrote to memory of 2480	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	32
PID 2332 wrote to memory of 2480	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	32
PID 2332 wrote to memory of 3056	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	34
PID 2332 wrote to memory of 3056	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	34
PID 2332 wrote to memory of 3056	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	34
PID 2332 wrote to memory of 3056	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	34
PID 2332 wrote to memory of 2716	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	36
PID 2332 wrote to memory of 2716	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	36
PID 2332 wrote to memory of 2716	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	36
PID 2332 wrote to memory of 2716	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	36
PID 2332 wrote to memory of 2856	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	38
PID 2332 wrote to memory of 2856	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	38
PID 2332 wrote to memory of 2856	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	38
PID 2332 wrote to memory of 2856	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	38
PID 2332 wrote to memory of 2840	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	41
PID 2332 wrote to memory of 2840	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	41
PID 2332 wrote to memory of 2840	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	41
PID 2332 wrote to memory of 2840	2332	JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe	41
PID 2732 wrote to memory of 2644	2732	qktdqtyk.exe	43
PID 2732 wrote to memory of 2644	2732	qktdqtyk.exe	43
PID 2732 wrote to memory of 2644	2732	qktdqtyk.exe	43
PID 2732 wrote to memory of 2644	2732	qktdqtyk.exe	43
PID 2732 wrote to memory of 2644	2732	qktdqtyk.exe	43
PID 2732 wrote to memory of 2644	2732	qktdqtyk.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ctfvfrqs\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2316
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qktdqtyk.exe" C:\Windows\SysWOW64\ctfvfrqs\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2480
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ctfvfrqs binPath= "C:\Windows\SysWOW64\ctfvfrqs\qktdqtyk.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3056
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ctfvfrqs "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2716
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ctfvfrqs
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2856
- 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:2840

C:\Windows\SysWOW64\ctfvfrqs\qktdqtyk.exe
C:\Windows\SysWOW64\ctfvfrqs\qktdqtyk.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bdd7f1c254d2bd154445ab9f0dfb1213c30ffd241720862b5ad561fa1ad198fd.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2732
- 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:2644

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\qktdqtyk.exe

Filesize
13.4MB

MD5
5d99d78a7f6034cb9d9f133cdee0e30e

SHA1
600674c88fdab9e58eefb4ce255b33374ffc5bd8

SHA256
b226513dc1713b7b978f9178b506c32ae74292637a86df5eaa68c8fc0adf23ef

SHA512
80949c1ec4727591cc841a75211dfbeff189c5e3c43127d39f8fb2bacfbfc56275981eeb1a063e560a5c66c81c1172bc85b07e486fbd95dcba6628f09e02eecb

Download Submit
memory/2332-8-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2332-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2332-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2332-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2332-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2332-1-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/2644-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2644-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2644-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2644-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2644-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2732-17-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads