tofsee | 61dbcf0adaa64a67b42678fbdfffac4035ef4eb947f455d6bda7dc807e4a589c

General

Target

02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe
Size

10.6MB
MD5

02efa58022f21dab1d400e8ddc3620c4
SHA1

e805af3f400abe91974ad3a2b544a6e3b5f77b1a
SHA256

61dbcf0adaa64a67b42678fbdfffac4035ef4eb947f455d6bda7dc807e4a589c
SHA512

16ec166259460e33a60482212ce9cff12967add5a4fa0a5cb1ed3c0658e3627f6f9fe1990d509e48653920cd383e3d3e4ecd4d0c55778579beb626c9e8250a9e
SSDEEP

196608:d3qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqP:d

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
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

2784 netsh.exe

pid	process
2784	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\wnociewt\ImagePath = "C:\\Windows\\SysWOW64\\wnociewt\\xjqkpviq.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2780 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

xjqkpviq.exe

pid process

2788 xjqkpviq.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

xjqkpviq.exe

description pid process target process

PID 2788 set thread context of 2780 2788 xjqkpviq.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

2696 sc.exe
2648 sc.exe
2896 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2780	svchost.exe

pid	process
2788	xjqkpviq.exe

description	pid	process	target process
PID 2788 set thread context of 2780	2788	xjqkpviq.exe	svchost.exe

pid	process
2696	sc.exe
2648	sc.exe
2896	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:

02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exexjqkpviq.exe

description	pid	process	target process
PID 1940 wrote to memory of 2232	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	cmd.exe
PID 1940 wrote to memory of 2232	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	cmd.exe
PID 1940 wrote to memory of 2232	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	cmd.exe
PID 1940 wrote to memory of 2232	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	cmd.exe
PID 1940 wrote to memory of 2992	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	cmd.exe
PID 1940 wrote to memory of 2992	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	cmd.exe
PID 1940 wrote to memory of 2992	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	cmd.exe
PID 1940 wrote to memory of 2992	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	cmd.exe
PID 1940 wrote to memory of 2696	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2696	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2696	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2696	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2648	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2648	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2648	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2648	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2896	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2896	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2896	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2896	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	sc.exe
PID 1940 wrote to memory of 2784	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	netsh.exe
PID 1940 wrote to memory of 2784	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	netsh.exe
PID 1940 wrote to memory of 2784	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	netsh.exe
PID 1940 wrote to memory of 2784	1940	02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe	netsh.exe
PID 2788 wrote to memory of 2780	2788	xjqkpviq.exe	svchost.exe
PID 2788 wrote to memory of 2780	2788	xjqkpviq.exe	svchost.exe
PID 2788 wrote to memory of 2780	2788	xjqkpviq.exe	svchost.exe
PID 2788 wrote to memory of 2780	2788	xjqkpviq.exe	svchost.exe
PID 2788 wrote to memory of 2780	2788	xjqkpviq.exe	svchost.exe
PID 2788 wrote to memory of 2780	2788	xjqkpviq.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1940

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wnociewt\
2⤵
PID:2232

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xjqkpviq.exe" C:\Windows\SysWOW64\wnociewt\
2⤵
PID:2992

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create wnociewt binPath= "C:\Windows\SysWOW64\wnociewt\xjqkpviq.exe /d\"C:\Users\Admin\AppData\Local\Temp\02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2696

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description wnociewt "wifi internet conection"
2⤵
- Launches sc.exe
PID:2648

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start wnociewt
2⤵
- Launches sc.exe
PID:2896

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:2784

C:\Windows\SysWOW64\wnociewt\xjqkpviq.exe
C:\Windows\SysWOW64\wnociewt\xjqkpviq.exe /d"C:\Users\Admin\AppData\Local\Temp\02efa58022f21dab1d400e8ddc3620c4_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2788

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:2780

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

1

T1562

Disable or Modify System Firewall

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\xjqkpviq.exe
Filesize
12.2MB

MD5
1ecb54cce714174b2df65a278027fb46

SHA1
c511435dc98d6e70ad8aea2f2b84e363b5430dab

SHA256
289ce48111099170aa8bebcaf0b24363c204aadab03059113edb6268b845f6d9

SHA512
abe9858e02b36315b36f9266974581c9698e67043ec9c2750d4ac8eb9a1e35cfa5c219488c46dc594b5381682fb0e60a00bef4c4bc8a015471a7948756bd999a

Download Submit
memory/1940-1-0x0000000000980000-0x0000000000A80000-memory.dmp

Filesize
1024KB

Download
memory/1940-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1940-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1940-8-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download
memory/1940-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2780-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2780-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2780-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2780-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2788-15-0x0000000000400000-0x0000000000871000-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