tofsee | cec80312cba875be63e11a1b05c73baa7baf1328c929749c8bea4dccf64c2259

General

Target

ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe
Size

12.7MB
MD5

ffb0772aa20b058225e62bd6036b72d6
SHA1

fc0a2feb39f678670ebfeed703d768f334a5865c
SHA256

cec80312cba875be63e11a1b05c73baa7baf1328c929749c8bea4dccf64c2259
SHA512

d32e0e75b3dde06bfe237cce0125b42fec82a4fc24a310052cf5dbec69e80853a7a2e4d1e29934ba6bfa17a62a884630d5cdb3661f5307f6058062ae4495b302
SSDEEP

24576:FjDuKnh7YzbKBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBj:Fnh

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

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

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\qdfpwepn = "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

Processes:

netsh.exe

pid process

2532 netsh.exe

pid	process
2532	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\qdfpwepn\ImagePath = "C:\\Windows\\SysWOW64\\qdfpwepn\\dvaahztx.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2448 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

dvaahztx.exe

pid process

2732 dvaahztx.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

dvaahztx.exe

description pid process target process

PID 2732 set thread context of 2448 2732 dvaahztx.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

2676 sc.exe
2516 sc.exe
2604 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2448	svchost.exe

pid	process
2732	dvaahztx.exe

description	pid	process	target process
PID 2732 set thread context of 2448	2732	dvaahztx.exe	svchost.exe

pid	process
2676	sc.exe
2516	sc.exe
2604	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exedvaahztx.exe

description	pid	process	target process
PID 2832 wrote to memory of 2084	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	cmd.exe
PID 2832 wrote to memory of 2084	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	cmd.exe
PID 2832 wrote to memory of 2084	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	cmd.exe
PID 2832 wrote to memory of 2084	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	cmd.exe
PID 2832 wrote to memory of 2204	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	cmd.exe
PID 2832 wrote to memory of 2204	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	cmd.exe
PID 2832 wrote to memory of 2204	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	cmd.exe
PID 2832 wrote to memory of 2204	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	cmd.exe
PID 2832 wrote to memory of 2676	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	sc.exe
PID 2832 wrote to memory of 2676	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	sc.exe
PID 2832 wrote to memory of 2676	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	sc.exe
PID 2832 wrote to memory of 2676	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	sc.exe
PID 2832 wrote to memory of 2516	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	sc.exe
PID 2832 wrote to memory of 2516	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	sc.exe
PID 2832 wrote to memory of 2516	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	sc.exe
PID 2832 wrote to memory of 2516	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	sc.exe
PID 2832 wrote to memory of 2604	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	sc.exe
PID 2832 wrote to memory of 2604	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	sc.exe
PID 2832 wrote to memory of 2604	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	sc.exe
PID 2832 wrote to memory of 2604	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	sc.exe
PID 2832 wrote to memory of 2532	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	netsh.exe
PID 2832 wrote to memory of 2532	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	netsh.exe
PID 2832 wrote to memory of 2532	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	netsh.exe
PID 2832 wrote to memory of 2532	2832	ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe	netsh.exe
PID 2732 wrote to memory of 2448	2732	dvaahztx.exe	svchost.exe
PID 2732 wrote to memory of 2448	2732	dvaahztx.exe	svchost.exe
PID 2732 wrote to memory of 2448	2732	dvaahztx.exe	svchost.exe
PID 2732 wrote to memory of 2448	2732	dvaahztx.exe	svchost.exe
PID 2732 wrote to memory of 2448	2732	dvaahztx.exe	svchost.exe
PID 2732 wrote to memory of 2448	2732	dvaahztx.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2832

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qdfpwepn\
2⤵
PID:2084

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dvaahztx.exe" C:\Windows\SysWOW64\qdfpwepn\
2⤵
PID:2204

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create qdfpwepn binPath= "C:\Windows\SysWOW64\qdfpwepn\dvaahztx.exe /d\"C:\Users\Admin\AppData\Local\Temp\ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2676

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description qdfpwepn "wifi internet conection"
2⤵
- Launches sc.exe
PID:2516

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start qdfpwepn
2⤵
- Launches sc.exe
PID:2604

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:2532

C:\Windows\SysWOW64\qdfpwepn\dvaahztx.exe
C:\Windows\SysWOW64\qdfpwepn\dvaahztx.exe /d"C:\Users\Admin\AppData\Local\Temp\ffb0772aa20b058225e62bd6036b72d6_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- 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
PID:2448

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

1

T1562.001

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\dvaahztx.exe
Filesize
10.2MB

MD5
fd757a6aba7dcecaa8f0345383df2b07

SHA1
004460dddd314ad21028a773e46422f7ce58750b

SHA256
396afe0be824a64cd35eee60726536bbe25908e6187d4a842c74a808fb720fa7

SHA512
607a39944134e3e3afcff9efc2b37d592becee887ce6c0bbf60fdbbe2de33142f7804596cf79bad868b6f667d758289a3dd3f763932405a34311063bb2e532cc

Download Submit
memory/2448-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2448-22-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2448-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2448-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2448-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2448-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2732-12-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2732-11-0x00000000004F0000-0x00000000005F0000-memory.dmp

Filesize
1024KB

Download
memory/2732-18-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2832-10-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2832-9-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2832-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2832-8-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2832-4-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2832-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads