tofsee | d6478331f879c08cb4a0030a15f0cd885d76febbfd423ae5a890ac370efbf536

General

Target

f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe
Size

14.4MB
MD5

f532feaa674c93bdfc606c7aba94aaa4
SHA1

b586b0de0001ba9ffad715997b751220b612c9e2
SHA256

d6478331f879c08cb4a0030a15f0cd885d76febbfd423ae5a890ac370efbf536
SHA512

fa7745bc43f14ba8f6eccc7c42c468fe2ebae3c3e86b2f65a9065bb733ca253350a43d5f2dd6c93348989396ab47f928e886360a44ae1d0de0bed71740e77972
SSDEEP

24576:qjDuKnh7YzbKBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBH:qnh

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\cslinggs = "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

2660 netsh.exe

pid	process
2660	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\cslinggs\ImagePath = "C:\\Windows\\SysWOW64\\cslinggs\\dqmckrmw.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2656 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

dqmckrmw.exe

pid process

2752 dqmckrmw.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

dqmckrmw.exe

description pid process target process

PID 2752 set thread context of 2656 2752 dqmckrmw.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

3052 sc.exe
2096 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
2656	svchost.exe

pid	process
2752	dqmckrmw.exe

description	pid	process	target process
PID 2752 set thread context of 2656	2752	dqmckrmw.exe	svchost.exe

pid	process
3052	sc.exe
2096	sc.exe
2604	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exedqmckrmw.exe

description	pid	process	target process
PID 1712 wrote to memory of 2088	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	cmd.exe
PID 1712 wrote to memory of 2088	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	cmd.exe
PID 1712 wrote to memory of 2088	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	cmd.exe
PID 1712 wrote to memory of 2088	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	cmd.exe
PID 1712 wrote to memory of 1260	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	cmd.exe
PID 1712 wrote to memory of 1260	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	cmd.exe
PID 1712 wrote to memory of 1260	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	cmd.exe
PID 1712 wrote to memory of 1260	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	cmd.exe
PID 1712 wrote to memory of 3052	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	sc.exe
PID 1712 wrote to memory of 3052	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	sc.exe
PID 1712 wrote to memory of 3052	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	sc.exe
PID 1712 wrote to memory of 3052	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	sc.exe
PID 1712 wrote to memory of 2096	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	sc.exe
PID 1712 wrote to memory of 2096	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	sc.exe
PID 1712 wrote to memory of 2096	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	sc.exe
PID 1712 wrote to memory of 2096	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	sc.exe
PID 1712 wrote to memory of 2604	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	sc.exe
PID 1712 wrote to memory of 2604	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	sc.exe
PID 1712 wrote to memory of 2604	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	sc.exe
PID 1712 wrote to memory of 2604	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	sc.exe
PID 1712 wrote to memory of 2660	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	netsh.exe
PID 1712 wrote to memory of 2660	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	netsh.exe
PID 1712 wrote to memory of 2660	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	netsh.exe
PID 1712 wrote to memory of 2660	1712	f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe	netsh.exe
PID 2752 wrote to memory of 2656	2752	dqmckrmw.exe	svchost.exe
PID 2752 wrote to memory of 2656	2752	dqmckrmw.exe	svchost.exe
PID 2752 wrote to memory of 2656	2752	dqmckrmw.exe	svchost.exe
PID 2752 wrote to memory of 2656	2752	dqmckrmw.exe	svchost.exe
PID 2752 wrote to memory of 2656	2752	dqmckrmw.exe	svchost.exe
PID 2752 wrote to memory of 2656	2752	dqmckrmw.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1712

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cslinggs\
2⤵
PID:2088

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dqmckrmw.exe" C:\Windows\SysWOW64\cslinggs\
2⤵
PID:1260

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create cslinggs binPath= "C:\Windows\SysWOW64\cslinggs\dqmckrmw.exe /d\"C:\Users\Admin\AppData\Local\Temp\f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:3052

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description cslinggs "wifi internet conection"
2⤵
- Launches sc.exe
PID:2096

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start cslinggs
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:2660

C:\Windows\SysWOW64\cslinggs\dqmckrmw.exe
C:\Windows\SysWOW64\cslinggs\dqmckrmw.exe /d"C:\Users\Admin\AppData\Local\Temp\f532feaa674c93bdfc606c7aba94aaa4_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- 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
PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
14.3MB

MD5
d43a4e5b2579c892ea394a5db8bda28f

SHA1
145f4bf9b2966bedbc5e05e9a49c3b27a65f6739

SHA256
c06d23b88e54ec3097e6ec7cbd07f46a0d149fa8c7c509c89277b214afd43257

SHA512
b5f3976655d5c6367bbfafc5952dccf42aecf26e0cb0200c34b66b1e86ab792a8ed915d8ef4f677a72cf828b527be0b7b596a900beb62c93f92d17ab74507f3c

Download Submit
memory/1712-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/1712-2-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/1712-4-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1712-8-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2656-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2656-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2656-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2656-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2656-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2656-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2656-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2752-10-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2752-9-0x0000000000530000-0x0000000000630000-memory.dmp

Filesize
1024KB

Download
memory/2752-16-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads