tofsee | 9d9854a5672f5a0bcfe94537c97ddcd3d16b2320e1fc1b5952283b6e7259601f

General

Target

fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe
Size

14.1MB
MD5

fce2c4006ec80862de2dad2537422c1b
SHA1

2671a0fa2921d83c7a24e38d529b4f86c76876ea
SHA256

9d9854a5672f5a0bcfe94537c97ddcd3d16b2320e1fc1b5952283b6e7259601f
SHA512

1397044c98fc65a55507915b9da426ddef6abd15c798de5e91aa90a88478ba2d608c66c5e3c805cc4ce2c8ced4c5e557b23be08051a2c2a85bc73ae74d50405e
SSDEEP

24576:3UqN67OT8888888888888888888888888888888888888888888888888888888U:3K7

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\kklrizzz = "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

2736 netsh.exe

pid	process
2736	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\kklrizzz\ImagePath = "C:\\Windows\\SysWOW64\\kklrizzz\\dqhqivxr.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2604 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

dqhqivxr.exe

pid process

2884 dqhqivxr.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

dqhqivxr.exe

description pid process target process

PID 2884 set thread context of 2604 2884 dqhqivxr.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

2664 sc.exe
2888 sc.exe
2588 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2604	svchost.exe

pid	process
2884	dqhqivxr.exe

description	pid	process	target process
PID 2884 set thread context of 2604	2884	dqhqivxr.exe	svchost.exe

pid	process
2664	sc.exe
2888	sc.exe
2588	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exedqhqivxr.exe

description	pid	process	target process
PID 2620 wrote to memory of 2144	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	cmd.exe
PID 2620 wrote to memory of 2144	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	cmd.exe
PID 2620 wrote to memory of 2144	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	cmd.exe
PID 2620 wrote to memory of 2144	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	cmd.exe
PID 2620 wrote to memory of 2256	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	cmd.exe
PID 2620 wrote to memory of 2256	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	cmd.exe
PID 2620 wrote to memory of 2256	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	cmd.exe
PID 2620 wrote to memory of 2256	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	cmd.exe
PID 2620 wrote to memory of 2588	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	sc.exe
PID 2620 wrote to memory of 2588	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	sc.exe
PID 2620 wrote to memory of 2588	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	sc.exe
PID 2620 wrote to memory of 2588	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	sc.exe
PID 2620 wrote to memory of 2664	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	sc.exe
PID 2620 wrote to memory of 2664	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	sc.exe
PID 2620 wrote to memory of 2664	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	sc.exe
PID 2620 wrote to memory of 2664	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	sc.exe
PID 2620 wrote to memory of 2888	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	sc.exe
PID 2620 wrote to memory of 2888	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	sc.exe
PID 2620 wrote to memory of 2888	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	sc.exe
PID 2620 wrote to memory of 2888	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	sc.exe
PID 2620 wrote to memory of 2736	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	netsh.exe
PID 2620 wrote to memory of 2736	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	netsh.exe
PID 2620 wrote to memory of 2736	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	netsh.exe
PID 2620 wrote to memory of 2736	2620	fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe	netsh.exe
PID 2884 wrote to memory of 2604	2884	dqhqivxr.exe	svchost.exe
PID 2884 wrote to memory of 2604	2884	dqhqivxr.exe	svchost.exe
PID 2884 wrote to memory of 2604	2884	dqhqivxr.exe	svchost.exe
PID 2884 wrote to memory of 2604	2884	dqhqivxr.exe	svchost.exe
PID 2884 wrote to memory of 2604	2884	dqhqivxr.exe	svchost.exe
PID 2884 wrote to memory of 2604	2884	dqhqivxr.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2620

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kklrizzz\
2⤵
PID:2144

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dqhqivxr.exe" C:\Windows\SysWOW64\kklrizzz\
2⤵
PID:2256

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create kklrizzz binPath= "C:\Windows\SysWOW64\kklrizzz\dqhqivxr.exe /d\"C:\Users\Admin\AppData\Local\Temp\fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2588

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description kklrizzz "wifi internet conection"
2⤵
- Launches sc.exe
PID:2664

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start kklrizzz
2⤵
- Launches sc.exe
PID:2888

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:2736

C:\Windows\SysWOW64\kklrizzz\dqhqivxr.exe
C:\Windows\SysWOW64\kklrizzz\dqhqivxr.exe /d"C:\Users\Admin\AppData\Local\Temp\fce2c4006ec80862de2dad2537422c1b_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2884

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2604

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\dqhqivxr.exe
Filesize
11.8MB

MD5
72fd5e6744aa9fbaaac862432ece5707

SHA1
b7816ce2c66abf3549f16dbd71c78925042415a2

SHA256
5c28a694ce348cf58322a25a8e6490f054bf585cb9674e97ad0b3b810f38fb47

SHA512
abf219db807a49e1616c1a05fa9a3532d8b52bd47b1c3f91526d85fe616e952ff93d9729e44b86b7b8940070347c31c7884b8e3c92b618405bb6d4c3eb3323e4

Download Submit
memory/2604-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2604-13-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2604-10-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2604-22-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2604-19-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2604-20-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2620-21-0x0000000000400000-0x00000000023B0000-memory.dmp

Filesize
31.7MB

Download
memory/2620-1-0x00000000027F0000-0x00000000028F0000-memory.dmp

Filesize
1024KB

Download
memory/2620-4-0x0000000000400000-0x00000000023B0000-memory.dmp

Filesize
31.7MB

Download
memory/2620-8-0x0000000000400000-0x00000000023B0000-memory.dmp

Filesize
31.7MB

Download
memory/2620-3-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2884-9-0x0000000002510000-0x0000000002610000-memory.dmp

Filesize
1024KB

Download
memory/2884-15-0x0000000000400000-0x00000000023B0000-memory.dmp

Filesize
31.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads