tofsee | 2f82a0c6e14edc35e09a3a1cac9ad392baa94447467e7ef69e00c7540a801150

General

Target

JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe
Size

10.6MB
MD5

ab109c913445e8a0251de173a629b44d
SHA1

79f7aa660bb6d35ba15d507eca8f9b84bc67a910
SHA256

2f82a0c6e14edc35e09a3a1cac9ad392baa94447467e7ef69e00c7540a801150
SHA512

51521f2442de9ba6d0f8be85d886bb83132eb3d73c1fbeedfaa2977bb38d628a8e8ada0b91f7d3b0eaaade13781d50e5bb8e991dbbbebe7775937d96e654b652
SSDEEP

196608:g4TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTH:g

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
Tofsee family
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

pid	Process
712	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\sfudmlok\ImagePath = "C:\\Windows\\SysWOW64\\sfudmlok\\mpiqoqyi.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe

Deletes itself 1 IoCs

pid	Process
624	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2596	mpiqoqyi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2596 set thread context of 624	2596	mpiqoqyi.exe	98

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2996	sc.exe
232	sc.exe
4424	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2400	3480	WerFault.exe	81
1080	2596	WerFault.exe	92

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

description	ioc	Process
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	mpiqoqyi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3480 wrote to memory of 3600	3480	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	82
PID 3480 wrote to memory of 3600	3480	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	82
PID 3480 wrote to memory of 3600	3480	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	82
PID 3480 wrote to memory of 464	3480	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	84
PID 3480 wrote to memory of 464	3480	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	84
PID 3480 wrote to memory of 464	3480	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	84
PID 3480 wrote to memory of 232	3480	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	86
PID 3480 wrote to memory of 232	3480	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	86
PID 3480 wrote to memory of 232	3480	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	86
PID 3480 wrote to memory of 4424	3480	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	88
PID 3480 wrote to memory of 4424	3480	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	88
PID 3480 wrote to memory of 4424	3480	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	88
PID 3480 wrote to memory of 2996	3480	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	90
PID 3480 wrote to memory of 2996	3480	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	90
PID 3480 wrote to memory of 2996	3480	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	90
PID 3480 wrote to memory of 712	3480	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	93
PID 3480 wrote to memory of 712	3480	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	93
PID 3480 wrote to memory of 712	3480	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	93
PID 2596 wrote to memory of 624	2596	mpiqoqyi.exe	98
PID 2596 wrote to memory of 624	2596	mpiqoqyi.exe	98
PID 2596 wrote to memory of 624	2596	mpiqoqyi.exe	98
PID 2596 wrote to memory of 624	2596	mpiqoqyi.exe	98
PID 2596 wrote to memory of 624	2596	mpiqoqyi.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3480
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\sfudmlok\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3600
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mpiqoqyi.exe" C:\Windows\SysWOW64\sfudmlok\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:464
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create sfudmlok binPath= "C:\Windows\SysWOW64\sfudmlok\mpiqoqyi.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:232
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description sfudmlok "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4424
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start sfudmlok
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2996
- 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:712
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3480 -s 788
  2⤵
  - Program crash
  PID:2400

C:\Windows\SysWOW64\sfudmlok\mpiqoqyi.exe
C:\Windows\SysWOW64\sfudmlok\mpiqoqyi.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:624
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 520
  2⤵
  - Program crash
  PID:1080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3480 -ip 3480
1⤵
PID:4116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2596 -ip 2596
1⤵
PID:3360

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

Query Registry

1

T1012

System Information Discovery

2

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\mpiqoqyi.exe

Filesize
11.4MB

MD5
97603463cebc8829174d78b522ff22f2

SHA1
b70bbdfeaa8b9ddca71819ee986c381a43f49ef9

SHA256
aece8e5ab50f5707269f4def64b036af36ec94000ef4458de549c9001bf94c4d

SHA512
cb67228017d3ec10c1986108569bad21e2c6e6e366261fefa409995c5633c6ce66be16b308fe01af5754193a9a591f2d5247568eb9dbfaf2f767e4edcd90f234

Download Submit
memory/624-13-0x0000000000B60000-0x0000000000B75000-memory.dmp

Filesize
84KB

Download
memory/624-15-0x0000000000B60000-0x0000000000B75000-memory.dmp

Filesize
84KB

Download
memory/624-16-0x0000000000B60000-0x0000000000B75000-memory.dmp

Filesize
84KB

Download
memory/2596-11-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/2596-12-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/2596-17-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/3480-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3480-2-0x00000000001E0000-0x00000000001F3000-memory.dmp

Filesize
76KB

Download
memory/3480-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3480-9-0x00000000001E0000-0x00000000001F3000-memory.dmp

Filesize
76KB

Download
memory/3480-8-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/3480-1-0x0000000000950000-0x0000000000A50000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads