tofsee | 89017198e6129785f853d829a30bdaeab8937cdd4ae26406a0c71a25957c414d

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
05/04/2024, 08:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe
Size

13.3MB
MD5

ce3f7efb279c44bf3e7e5aede0b26d5e
SHA1

23bfbf9c0e1e9bd68ca6fc593d1a83e81b8483de
SHA256

89017198e6129785f853d829a30bdaeab8937cdd4ae26406a0c71a25957c414d
SHA512

d49a2f47cc6966c289ed6ad92cffb7b750504626278f5072fa3dc0c198f641cae5d2812d3a29f74eef05f3769c68db6865a2e7d7031692564432f2eafd6441fb
SSDEEP

196608:Z5qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqH:Z

Score

10^/10

tofsee evasion persistence 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

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\kottauox = "0"	svchost.exe

Creates new service(s) 1 TTPs
persistence

Windows Service
T1543.003

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2568	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\kottauox\ImagePath = "C:\\Windows\\SysWOW64\\kottauox\\qvrjhkw.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2792	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2428	qvrjhkw.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2428 set thread context of 2792	2428	qvrjhkw.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
1744	sc.exe
2552	sc.exe
2648	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2700	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	28
PID 2212 wrote to memory of 2700	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	28
PID 2212 wrote to memory of 2700	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	28
PID 2212 wrote to memory of 2700	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	28
PID 2212 wrote to memory of 1748	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	30
PID 2212 wrote to memory of 1748	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	30
PID 2212 wrote to memory of 1748	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	30
PID 2212 wrote to memory of 1748	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	30
PID 2212 wrote to memory of 1744	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	32
PID 2212 wrote to memory of 1744	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	32
PID 2212 wrote to memory of 1744	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	32
PID 2212 wrote to memory of 1744	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	32
PID 2212 wrote to memory of 2552	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	34
PID 2212 wrote to memory of 2552	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	34
PID 2212 wrote to memory of 2552	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	34
PID 2212 wrote to memory of 2552	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	34
PID 2212 wrote to memory of 2648	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	36
PID 2212 wrote to memory of 2648	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	36
PID 2212 wrote to memory of 2648	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	36
PID 2212 wrote to memory of 2648	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	36
PID 2212 wrote to memory of 2568	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	38
PID 2212 wrote to memory of 2568	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	38
PID 2212 wrote to memory of 2568	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	38
PID 2212 wrote to memory of 2568	2212	ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe	38
PID 2428 wrote to memory of 2792	2428	qvrjhkw.exe	41
PID 2428 wrote to memory of 2792	2428	qvrjhkw.exe	41
PID 2428 wrote to memory of 2792	2428	qvrjhkw.exe	41
PID 2428 wrote to memory of 2792	2428	qvrjhkw.exe	41
PID 2428 wrote to memory of 2792	2428	qvrjhkw.exe	41
PID 2428 wrote to memory of 2792	2428	qvrjhkw.exe	41

C:\Users\Admin\AppData\Local\Temp\ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kottauox\
  2⤵
  PID:2700
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qvrjhkw.exe" C:\Windows\SysWOW64\kottauox\
  2⤵
  PID:1748
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create kottauox binPath= "C:\Windows\SysWOW64\kottauox\qvrjhkw.exe /d\"C:\Users\Admin\AppData\Local\Temp\ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  PID:1744
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description kottauox "wifi internet conection"
  2⤵
  - Launches sc.exe
  PID:2552
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start kottauox
  2⤵
  - Launches sc.exe
  PID:2648
- 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
  PID:2568

C:\Windows\SysWOW64\kottauox\qvrjhkw.exe
C:\Windows\SysWOW64\kottauox\qvrjhkw.exe /d"C:\Users\Admin\AppData\Local\Temp\ce3f7efb279c44bf3e7e5aede0b26d5e_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  PID:2792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

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

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
14.2MB

MD5
d8debea64c80bbacf7d2c9356fee3c30

SHA1
17fe9b2f9feab32a1f7686980f6208c360d8751d

SHA256
9c03eae5df2ae198aba93953d9b4b9c68c3feb5ea7aba6033e2dfc6d999c7809

SHA512
0e33b1bdd90341a3d1e735ce0312a7eb82839361177bf55cb667da7eb6727359e3e8eb0b2a345efdf6aa6a52efc835caa637047dcf41f4c84950912553f8da70

Download Submit
memory/2212-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2212-4-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download
memory/2212-6-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download
memory/2212-1-0x00000000009A0000-0x0000000000AA0000-memory.dmp

Filesize
1024KB

Download
memory/2428-11-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download
memory/2428-9-0x00000000009C0000-0x0000000000AC0000-memory.dmp

Filesize
1024KB

Download
memory/2428-17-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download
memory/2792-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2792-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2792-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2792-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2792-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2792-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads