tofsee | 8765a0812ad0542a674be1585e4fd6da359621b5f19da44309bfb4cd02eedda1

General

Target

25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe
Size

10.2MB
MD5

25e45ae62147eb401b332a1bff694693
SHA1

8bd56b03390f2403549de9263e6ec191bec99284
SHA256

8765a0812ad0542a674be1585e4fd6da359621b5f19da44309bfb4cd02eedda1
SHA512

757075e4a8e740e7be2317529cf9b38f4e2d752f248d153eb3ee3755992516962b82819d690d201abd8e698465af3c78b7ed36df615c8ad9fc885ecc716d5695
SSDEEP

196608:mE/vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvn:mE

Score

10^/10

tofsee evasion execution persistence privilege_escalation 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\tpnlueol = "0"	svchost.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2400 netsh.exe

pid	process
2400	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\tpnlueol\ImagePath = "C:\\Windows\\SysWOW64\\tpnlueol\\jvcwbhuc.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2408 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

jvcwbhuc.exe

pid process

2404 jvcwbhuc.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

jvcwbhuc.exe

description pid process target process

PID 2404 set thread context of 2408 2404 jvcwbhuc.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

2568 sc.exe
2652 sc.exe
2736 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2408	svchost.exe

pid	process
2404	jvcwbhuc.exe

description	pid	process	target process
PID 2404 set thread context of 2408	2404	jvcwbhuc.exe	svchost.exe

pid	process
2568	sc.exe
2652	sc.exe
2736	sc.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

Processes:

netsh.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

25e45ae62147eb401b332a1bff694693_JaffaCakes118.exejvcwbhuc.exe

description	pid	process	target process
PID 3036 wrote to memory of 3064	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	cmd.exe
PID 3036 wrote to memory of 3064	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	cmd.exe
PID 3036 wrote to memory of 3064	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	cmd.exe
PID 3036 wrote to memory of 3064	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	cmd.exe
PID 3036 wrote to memory of 2044	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	cmd.exe
PID 3036 wrote to memory of 2044	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	cmd.exe
PID 3036 wrote to memory of 2044	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	cmd.exe
PID 3036 wrote to memory of 2044	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	cmd.exe
PID 3036 wrote to memory of 2568	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	sc.exe
PID 3036 wrote to memory of 2568	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	sc.exe
PID 3036 wrote to memory of 2568	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	sc.exe
PID 3036 wrote to memory of 2568	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	sc.exe
PID 3036 wrote to memory of 2652	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	sc.exe
PID 3036 wrote to memory of 2652	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	sc.exe
PID 3036 wrote to memory of 2652	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	sc.exe
PID 3036 wrote to memory of 2652	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	sc.exe
PID 3036 wrote to memory of 2736	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	sc.exe
PID 3036 wrote to memory of 2736	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	sc.exe
PID 3036 wrote to memory of 2736	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	sc.exe
PID 3036 wrote to memory of 2736	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	sc.exe
PID 3036 wrote to memory of 2400	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	netsh.exe
PID 3036 wrote to memory of 2400	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	netsh.exe
PID 3036 wrote to memory of 2400	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	netsh.exe
PID 3036 wrote to memory of 2400	3036	25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe	netsh.exe
PID 2404 wrote to memory of 2408	2404	jvcwbhuc.exe	svchost.exe
PID 2404 wrote to memory of 2408	2404	jvcwbhuc.exe	svchost.exe
PID 2404 wrote to memory of 2408	2404	jvcwbhuc.exe	svchost.exe
PID 2404 wrote to memory of 2408	2404	jvcwbhuc.exe	svchost.exe
PID 2404 wrote to memory of 2408	2404	jvcwbhuc.exe	svchost.exe
PID 2404 wrote to memory of 2408	2404	jvcwbhuc.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3036

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tpnlueol\
2⤵
PID:3064

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jvcwbhuc.exe" C:\Windows\SysWOW64\tpnlueol\
2⤵
PID:2044

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create tpnlueol binPath= "C:\Windows\SysWOW64\tpnlueol\jvcwbhuc.exe /d\"C:\Users\Admin\AppData\Local\Temp\25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2568

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description tpnlueol "wifi internet conection"
2⤵
- Launches sc.exe
PID:2652

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start tpnlueol
2⤵
- Launches sc.exe
PID:2736

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
- Event Triggered Execution: Netsh Helper DLL
PID:2400

C:\Windows\SysWOW64\tpnlueol\jvcwbhuc.exe
C:\Windows\SysWOW64\tpnlueol\jvcwbhuc.exe /d"C:\Users\Admin\AppData\Local\Temp\25e45ae62147eb401b332a1bff694693_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2404

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2408

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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\jvcwbhuc.exe

Filesize
12.5MB

MD5
8b5b19a0b59859cb98e3981c6b102479

SHA1
060a6967a792b76514955f0efbab2319e87aa9ee

SHA256
084f9704eb38c35c40c2a05378ee0dfb496e761eb68fa6fe26913af9c409f72b

SHA512
19baa0847d60f3b90cee3581830d04daf20a32cb14304b0bc838fb40ad5d2686bdf433e05e5ffcc5454d93b0800eab69968be60c37851914e19997835da37a4f

Download Submit
memory/2404-16-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/2408-10-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2408-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2408-13-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2408-15-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2408-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/3036-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3036-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3036-1-0x0000000000940000-0x0000000000A40000-memory.dmp

Filesize
1024KB

Download
memory/3036-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3036-8-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads