tofsee | 0b827bbdc981c850683d5ec4fd095438f962ed6151e05537855008ff79d045c2

General

Target

0151396c13b5bc6865551434163d108c_JaffaCakes118.exe
Size

11.7MB
MD5

0151396c13b5bc6865551434163d108c
SHA1

662f732341113522d951ccb10e0bbe8af7719d21
SHA256

0b827bbdc981c850683d5ec4fd095438f962ed6151e05537855008ff79d045c2
SHA512

c94bc7bc0faa5a6ccddc0dfec21c188de3c0625a8d85162a3531e7f07de11effde1b730c8e11b60a6df9aea2a325194bffc703c5860e6e9b3f55406f17d942ff
SSDEEP

12288:gZDHr9j8gEh4CFNUBCWwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA:gVHrGc

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\hcfoqmua = "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

2668 netsh.exe

pid	process
2668	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\hcfoqmua\ImagePath = "C:\\Windows\\SysWOW64\\hcfoqmua\\rlhnyiag.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2468 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

rlhnyiag.exe

pid process

2572 rlhnyiag.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

rlhnyiag.exe

description pid process target process

PID 2572 set thread context of 2468 2572 rlhnyiag.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

1524 sc.exe
2892 sc.exe
2084 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2468	svchost.exe

pid	process
2572	rlhnyiag.exe

description	pid	process	target process
PID 2572 set thread context of 2468	2572	rlhnyiag.exe	svchost.exe

pid	process
1524	sc.exe
2892	sc.exe
2084	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 opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

0151396c13b5bc6865551434163d108c_JaffaCakes118.exerlhnyiag.exe

description	pid	process	target process
PID 1196 wrote to memory of 2544	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	cmd.exe
PID 1196 wrote to memory of 2544	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	cmd.exe
PID 1196 wrote to memory of 2544	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	cmd.exe
PID 1196 wrote to memory of 2544	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	cmd.exe
PID 1196 wrote to memory of 1812	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	cmd.exe
PID 1196 wrote to memory of 1812	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	cmd.exe
PID 1196 wrote to memory of 1812	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	cmd.exe
PID 1196 wrote to memory of 1812	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	cmd.exe
PID 1196 wrote to memory of 1524	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	sc.exe
PID 1196 wrote to memory of 1524	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	sc.exe
PID 1196 wrote to memory of 1524	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	sc.exe
PID 1196 wrote to memory of 1524	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	sc.exe
PID 1196 wrote to memory of 2892	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	sc.exe
PID 1196 wrote to memory of 2892	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	sc.exe
PID 1196 wrote to memory of 2892	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	sc.exe
PID 1196 wrote to memory of 2892	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	sc.exe
PID 1196 wrote to memory of 2084	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	sc.exe
PID 1196 wrote to memory of 2084	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	sc.exe
PID 1196 wrote to memory of 2084	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	sc.exe
PID 1196 wrote to memory of 2084	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	sc.exe
PID 1196 wrote to memory of 2668	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	netsh.exe
PID 1196 wrote to memory of 2668	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	netsh.exe
PID 1196 wrote to memory of 2668	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	netsh.exe
PID 1196 wrote to memory of 2668	1196	0151396c13b5bc6865551434163d108c_JaffaCakes118.exe	netsh.exe
PID 2572 wrote to memory of 2468	2572	rlhnyiag.exe	svchost.exe
PID 2572 wrote to memory of 2468	2572	rlhnyiag.exe	svchost.exe
PID 2572 wrote to memory of 2468	2572	rlhnyiag.exe	svchost.exe
PID 2572 wrote to memory of 2468	2572	rlhnyiag.exe	svchost.exe
PID 2572 wrote to memory of 2468	2572	rlhnyiag.exe	svchost.exe
PID 2572 wrote to memory of 2468	2572	rlhnyiag.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\0151396c13b5bc6865551434163d108c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0151396c13b5bc6865551434163d108c_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1196

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hcfoqmua\
2⤵
PID:2544

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rlhnyiag.exe" C:\Windows\SysWOW64\hcfoqmua\
2⤵
PID:1812

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create hcfoqmua binPath= "C:\Windows\SysWOW64\hcfoqmua\rlhnyiag.exe /d\"C:\Users\Admin\AppData\Local\Temp\0151396c13b5bc6865551434163d108c_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:1524

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description hcfoqmua "wifi internet conection"
2⤵
- Launches sc.exe
PID:2892

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start hcfoqmua
2⤵
- Launches sc.exe
PID:2084

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:2668

C:\Windows\SysWOW64\hcfoqmua\rlhnyiag.exe
C:\Windows\SysWOW64\hcfoqmua\rlhnyiag.exe /d"C:\Users\Admin\AppData\Local\Temp\0151396c13b5bc6865551434163d108c_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:2468

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\rlhnyiag.exe

Filesize
10.1MB

MD5
d4b0ce8f58cd0fddc2b18ae85d020ed2

SHA1
893cc5f1f8b2f6aa39022430f132ce9f7494ef71

SHA256
b7944d05a61b95a4a98c334aece8c378ca3adf329f03cb2667d40db7867fd588

SHA512
5031132e758ee7a8e59e2e63a426785dc77181680d590758da8603e125cbfe21b66ca35ccd32d67e39efcb5137541aab8cb28c671171fd9c49299fa9f4dab2a9

Download Submit
memory/1196-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1196-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1196-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1196-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1196-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1196-1-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2468-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2468-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2468-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2468-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2468-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2572-17-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads