tofsee | 5b8739273220f928323bdca4745bb21b820fd91a694f678cc78375041f92d97b

General

Target

ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe
Size

11.6MB
MD5

ffdf89de900c716587f62b698c402aeb
SHA1

fbc84bab04ffbb6200eab40cb7cc975138de52b5
SHA256

5b8739273220f928323bdca4745bb21b820fd91a694f678cc78375041f92d97b
SHA512

9d3b7d383672a3dea0afe7907f53ac558590f0079148d3f181225e68c3df632a1ccf966e2188dff010674cad2a39b4b0abe9f252034369c416b51105d1758111
SSDEEP

49152:Eitpppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp5:Ei

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

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\ulrhtwrt = "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

2656 netsh.exe

pid	process
2656	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\ulrhtwrt\ImagePath = "C:\\Windows\\SysWOW64\\ulrhtwrt\\imxptabh.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2460 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

imxptabh.exe

pid process

2572 imxptabh.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

imxptabh.exe

description pid process target process

PID 2572 set thread context of 2460 2572 imxptabh.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

2420 sc.exe
2724 sc.exe
2392 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2460	svchost.exe

pid	process
2572	imxptabh.exe

description	pid	process	target process
PID 2572 set thread context of 2460	2572	imxptabh.exe	svchost.exe

pid	process
2420	sc.exe
2724	sc.exe
2392	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exeimxptabh.exe

description	pid	process	target process
PID 1992 wrote to memory of 3020	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	cmd.exe
PID 1992 wrote to memory of 3020	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	cmd.exe
PID 1992 wrote to memory of 3020	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	cmd.exe
PID 1992 wrote to memory of 3020	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	cmd.exe
PID 1992 wrote to memory of 2492	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	cmd.exe
PID 1992 wrote to memory of 2492	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	cmd.exe
PID 1992 wrote to memory of 2492	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	cmd.exe
PID 1992 wrote to memory of 2492	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	cmd.exe
PID 1992 wrote to memory of 2724	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 2724	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 2724	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 2724	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 2392	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 2392	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 2392	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 2392	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 2420	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 2420	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 2420	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 2420	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	sc.exe
PID 1992 wrote to memory of 2656	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	netsh.exe
PID 1992 wrote to memory of 2656	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	netsh.exe
PID 1992 wrote to memory of 2656	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	netsh.exe
PID 1992 wrote to memory of 2656	1992	ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe	netsh.exe
PID 2572 wrote to memory of 2460	2572	imxptabh.exe	svchost.exe
PID 2572 wrote to memory of 2460	2572	imxptabh.exe	svchost.exe
PID 2572 wrote to memory of 2460	2572	imxptabh.exe	svchost.exe
PID 2572 wrote to memory of 2460	2572	imxptabh.exe	svchost.exe
PID 2572 wrote to memory of 2460	2572	imxptabh.exe	svchost.exe
PID 2572 wrote to memory of 2460	2572	imxptabh.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1992

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ulrhtwrt\
2⤵
PID:3020

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\imxptabh.exe" C:\Windows\SysWOW64\ulrhtwrt\
2⤵
PID:2492

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create ulrhtwrt binPath= "C:\Windows\SysWOW64\ulrhtwrt\imxptabh.exe /d\"C:\Users\Admin\AppData\Local\Temp\ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2724

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description ulrhtwrt "wifi internet conection"
2⤵
- Launches sc.exe
PID:2392

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start ulrhtwrt
2⤵
- Launches sc.exe
PID:2420

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:2656

C:\Windows\SysWOW64\ulrhtwrt\imxptabh.exe
C:\Windows\SysWOW64\ulrhtwrt\imxptabh.exe /d"C:\Users\Admin\AppData\Local\Temp\ffdf89de900c716587f62b698c402aeb_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2572

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2460

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\imxptabh.exe
Filesize
10.0MB

MD5
6a3512e988aebd9f99bbb69c716f24c9

SHA1
4849d0d1835d47eeddd03cf46e07caa325fadad8

SHA256
05e5cbf2b353d1ba672d6a95a46e1ab9e3d6994b443cd23a190edeed9b850665

SHA512
13075443d062ba97034ab8e95e635ea153043073e87331f1742d105acf15b402f4c35e19cb522b1f414cce425b67c4f06a964d4a95d8ab7abfea340ff2eeeec7

Download Submit
memory/1992-1-0x0000000000DC0000-0x0000000000EC0000-memory.dmp

Filesize
1024KB

Download
memory/1992-3-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1992-4-0x0000000000400000-0x0000000000C14000-memory.dmp

Filesize
8.1MB

Download
memory/1992-7-0x0000000000400000-0x0000000000C14000-memory.dmp

Filesize
8.1MB

Download
memory/2460-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2460-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2460-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2460-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2460-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2460-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2460-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2572-9-0x0000000000DB0000-0x0000000000EB0000-memory.dmp

Filesize
1024KB

Download
memory/2572-10-0x0000000000400000-0x0000000000C14000-memory.dmp

Filesize
8.1MB

Download
memory/2572-16-0x0000000000400000-0x0000000000C14000-memory.dmp

Filesize
8.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads