tofsee | f81dd5b1bcee82dd4ef11b333409f1c70f89d31d89d326d56b315d07b901a159

General

Target

07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe
Size

13.9MB
MD5

07a3f0a2281612ca878128f8d106d256
SHA1

4603984650234bb0c9412290505069d8399d4f7b
SHA256

f81dd5b1bcee82dd4ef11b333409f1c70f89d31d89d326d56b315d07b901a159
SHA512

1fb2843b0993cdbb21bd379fb5c829f7374175d2933b2f181a9317ebfc569d8d412bcda93fac3ea3ed4c1744204b57e9df98ecb2bfc0fdb8c8f24b5bb0a07f8c
SSDEEP

98304:hjDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD:

Score

10^/10

tofsee discovery 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\qdfeibed = "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

2884 netsh.exe

pid	process
2884	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\qdfeibed\ImagePath = "C:\\Windows\\SysWOW64\\qdfeibed\\elomnndr.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2652 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

elomnndr.exe

pid process

2148 elomnndr.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

elomnndr.exe

description pid process target process

PID 2148 set thread context of 2652 2148 elomnndr.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

2216 sc.exe
2760 sc.exe
2932 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2652	svchost.exe

pid	process
2148	elomnndr.exe

description	pid	process	target process
PID 2148 set thread context of 2652	2148	elomnndr.exe	svchost.exe

pid	process
2216	sc.exe
2760	sc.exe
2932	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

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

cmd.exesc.exenetsh.exeelomnndr.exesvchost.exe07a3f0a2281612ca878128f8d106d256_JaffaCakes118.execmd.exesc.exesc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	elomnndr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exeelomnndr.exe

description	pid	process	target process
PID 2584 wrote to memory of 2544	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	cmd.exe
PID 2584 wrote to memory of 2544	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	cmd.exe
PID 2584 wrote to memory of 2544	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	cmd.exe
PID 2584 wrote to memory of 2544	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	cmd.exe
PID 2584 wrote to memory of 1644	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	cmd.exe
PID 2584 wrote to memory of 1644	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	cmd.exe
PID 2584 wrote to memory of 1644	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	cmd.exe
PID 2584 wrote to memory of 1644	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	cmd.exe
PID 2584 wrote to memory of 2216	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	sc.exe
PID 2584 wrote to memory of 2216	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	sc.exe
PID 2584 wrote to memory of 2216	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	sc.exe
PID 2584 wrote to memory of 2216	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	sc.exe
PID 2584 wrote to memory of 2760	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	sc.exe
PID 2584 wrote to memory of 2760	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	sc.exe
PID 2584 wrote to memory of 2760	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	sc.exe
PID 2584 wrote to memory of 2760	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	sc.exe
PID 2584 wrote to memory of 2932	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	sc.exe
PID 2584 wrote to memory of 2932	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	sc.exe
PID 2584 wrote to memory of 2932	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	sc.exe
PID 2584 wrote to memory of 2932	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	sc.exe
PID 2584 wrote to memory of 2884	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	netsh.exe
PID 2584 wrote to memory of 2884	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	netsh.exe
PID 2584 wrote to memory of 2884	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	netsh.exe
PID 2584 wrote to memory of 2884	2584	07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe	netsh.exe
PID 2148 wrote to memory of 2652	2148	elomnndr.exe	svchost.exe
PID 2148 wrote to memory of 2652	2148	elomnndr.exe	svchost.exe
PID 2148 wrote to memory of 2652	2148	elomnndr.exe	svchost.exe
PID 2148 wrote to memory of 2652	2148	elomnndr.exe	svchost.exe
PID 2148 wrote to memory of 2652	2148	elomnndr.exe	svchost.exe
PID 2148 wrote to memory of 2652	2148	elomnndr.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2584

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qdfeibed\
2⤵
- System Location Discovery: System Language Discovery
PID:2544

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\elomnndr.exe" C:\Windows\SysWOW64\qdfeibed\
2⤵
- System Location Discovery: System Language Discovery
PID:1644

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create qdfeibed binPath= "C:\Windows\SysWOW64\qdfeibed\elomnndr.exe /d\"C:\Users\Admin\AppData\Local\Temp\07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2216

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description qdfeibed "wifi internet conection"
2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2760

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start qdfeibed
2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2932

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
- System Location Discovery: System Language Discovery
PID:2884

C:\Windows\SysWOW64\qdfeibed\elomnndr.exe
C:\Windows\SysWOW64\qdfeibed\elomnndr.exe /d"C:\Users\Admin\AppData\Local\Temp\07a3f0a2281612ca878128f8d106d256_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2148

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2652

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\elomnndr.exe

Filesize
13.8MB

MD5
7e4fad5720bb8570d610e96d824df63e

SHA1
4a22e4d04d470f71435a548755986d50fa5c99dd

SHA256
25afbd4427db37d6d12bff5771630fa5d581878fc8dc1cc08a830003cf1bc7e0

SHA512
c7ba73ae85ca8c2c587eb76d0becc83ca0f3f694bd21eb6a213e3ab61b08342b89144dcd8ad6d179bdc021bb13dfd39128c0f15fd9426c518b9db9794f38c6f1

Download Submit
memory/2148-15-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2584-4-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2584-1-0x00000000005D0000-0x00000000006D0000-memory.dmp

Filesize
1024KB

Download
memory/2584-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2584-9-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2584-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2652-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2652-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2652-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2652-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2652-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2652-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads