tofsee | 9c6f6cff204e5bc37c30d879e38c328d44a15040deab3fccf7d0b49bd3d0a24d

General

Target

ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe
Size

10.9MB
MD5

ff075df77fab0160980f37ef43349a38
SHA1

e52baf5a86caa2e97cfa1523f1d33c9ae146e2de
SHA256

9c6f6cff204e5bc37c30d879e38c328d44a15040deab3fccf7d0b49bd3d0a24d
SHA512

f4c0ee4fcfe5ecc8c87052164d9fb0fbfe9abafb47839a8e79b1d06e971904d5205d904790c0b425e0929a285c11b252b98cb4a1d2a3ddc3a220a1b32a503af8
SSDEEP

24576:ijDuKnh7YzbKBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBH:inh

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\tmtszral = "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

2632 netsh.exe

pid	process
2632	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\tmtszral\ImagePath = "C:\\Windows\\SysWOW64\\tmtszral\\dqhqivxr.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2448 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

dqhqivxr.exe

pid process

2616 dqhqivxr.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

dqhqivxr.exe

description pid process target process

PID 2616 set thread context of 2448 2616 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

2584 sc.exe
2724 sc.exe
2672 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
2616	dqhqivxr.exe

description	pid	process	target process
PID 2616 set thread context of 2448	2616	dqhqivxr.exe	svchost.exe

pid	process
2584	sc.exe
2724	sc.exe
2672	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

ff075df77fab0160980f37ef43349a38_JaffaCakes118.exedqhqivxr.exe

description	pid	process	target process
PID 2984 wrote to memory of 2856	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	cmd.exe
PID 2984 wrote to memory of 2856	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	cmd.exe
PID 2984 wrote to memory of 2856	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	cmd.exe
PID 2984 wrote to memory of 2856	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	cmd.exe
PID 2984 wrote to memory of 2256	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	cmd.exe
PID 2984 wrote to memory of 2256	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	cmd.exe
PID 2984 wrote to memory of 2256	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	cmd.exe
PID 2984 wrote to memory of 2256	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	cmd.exe
PID 2984 wrote to memory of 2584	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 2584	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 2584	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 2584	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 2724	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 2724	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 2724	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 2724	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 2672	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 2672	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 2672	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 2672	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 2632	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	netsh.exe
PID 2984 wrote to memory of 2632	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	netsh.exe
PID 2984 wrote to memory of 2632	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	netsh.exe
PID 2984 wrote to memory of 2632	2984	ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe	netsh.exe
PID 2616 wrote to memory of 2448	2616	dqhqivxr.exe	svchost.exe
PID 2616 wrote to memory of 2448	2616	dqhqivxr.exe	svchost.exe
PID 2616 wrote to memory of 2448	2616	dqhqivxr.exe	svchost.exe
PID 2616 wrote to memory of 2448	2616	dqhqivxr.exe	svchost.exe
PID 2616 wrote to memory of 2448	2616	dqhqivxr.exe	svchost.exe
PID 2616 wrote to memory of 2448	2616	dqhqivxr.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2984

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tmtszral\
2⤵
PID:2856

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

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create tmtszral binPath= "C:\Windows\SysWOW64\tmtszral\dqhqivxr.exe /d\"C:\Users\Admin\AppData\Local\Temp\ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2584

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description tmtszral "wifi internet conection"
2⤵
- Launches sc.exe
PID:2724

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start tmtszral
2⤵
- Launches sc.exe
PID:2672

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:2632

C:\Windows\SysWOW64\tmtszral\dqhqivxr.exe
C:\Windows\SysWOW64\tmtszral\dqhqivxr.exe /d"C:\Users\Admin\AppData\Local\Temp\ff075df77fab0160980f37ef43349a38_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2616

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\dqhqivxr.exe
Filesize
14.4MB

MD5
d37f791619368d678e87e4ecfa4b3794

SHA1
fb0d9e3983e028bd05764f813bd33ec4b355d2fe

SHA256
6554c5fe710bccad972829d4892a072626c63dab6ded315114adc3799e977b11

SHA512
07c43493cf5c0925697b33611cbd75fd4e1cfbf9157f44a0f965e064852af3f9372a570f6a5f67a1680a1e8e10a16572b12c37c69e2d91b5a3c6ef15f2029045

Download Submit
memory/2448-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2448-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2448-9-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2448-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2448-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

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

Filesize
84KB

Download
memory/2616-13-0x00000000005D0000-0x00000000006D0000-memory.dmp

Filesize
1024KB

Download
memory/2616-15-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2984-3-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/2984-4-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2984-8-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2984-1-0x00000000008B0000-0x00000000009B0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads