tofsee | ae68b6226feff244804140604e7f8da6972ae6b0f4fb9471233e7a6cb044070e

General

Target

f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe
Size

10.2MB
MD5

f9caba13b66e0532d3eef154eb604a60
SHA1

6939cd055aa33d1448ff7a7cdac60460908da2ea
SHA256

ae68b6226feff244804140604e7f8da6972ae6b0f4fb9471233e7a6cb044070e
SHA512

82caa87e72b7ed7242e743686afde2fca9c3cb414adfcb0c651f91cb847f0b5f48e7672922c729586025e72021f89379ea8b77f759ab8a37fe84373a6e75ec48
SSDEEP

196608:O3qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqX:O

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\qwmnvewg = "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

2988 netsh.exe

pid	process
2988	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\qwmnvewg\ImagePath = "C:\\Windows\\SysWOW64\\qwmnvewg\\pfamgswo.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2960 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

pfamgswo.exe

pid process

2888 pfamgswo.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

pfamgswo.exe

description pid process target process

PID 2888 set thread context of 2960 2888 pfamgswo.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

2828 sc.exe
1460 sc.exe
2704 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2960	svchost.exe

pid	process
2888	pfamgswo.exe

description	pid	process	target process
PID 2888 set thread context of 2960	2888	pfamgswo.exe	svchost.exe

pid	process
2828	sc.exe
1460	sc.exe
2704	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:

netsh.exef9caba13b66e0532d3eef154eb604a60_JaffaCakes118.execmd.exesc.exesc.execmd.exesc.exepfamgswo.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f9caba13b66e0532d3eef154eb604a60_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
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	pfamgswo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exepfamgswo.exe

description	pid	process	target process
PID 1480 wrote to memory of 2532	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	cmd.exe
PID 1480 wrote to memory of 2532	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	cmd.exe
PID 1480 wrote to memory of 2532	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	cmd.exe
PID 1480 wrote to memory of 2532	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	cmd.exe
PID 1480 wrote to memory of 2544	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	cmd.exe
PID 1480 wrote to memory of 2544	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	cmd.exe
PID 1480 wrote to memory of 2544	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	cmd.exe
PID 1480 wrote to memory of 2544	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	cmd.exe
PID 1480 wrote to memory of 1460	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	sc.exe
PID 1480 wrote to memory of 1460	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	sc.exe
PID 1480 wrote to memory of 1460	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	sc.exe
PID 1480 wrote to memory of 1460	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	sc.exe
PID 1480 wrote to memory of 2704	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	sc.exe
PID 1480 wrote to memory of 2704	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	sc.exe
PID 1480 wrote to memory of 2704	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	sc.exe
PID 1480 wrote to memory of 2704	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	sc.exe
PID 1480 wrote to memory of 2828	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	sc.exe
PID 1480 wrote to memory of 2828	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	sc.exe
PID 1480 wrote to memory of 2828	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	sc.exe
PID 1480 wrote to memory of 2828	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	sc.exe
PID 1480 wrote to memory of 2988	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	netsh.exe
PID 1480 wrote to memory of 2988	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	netsh.exe
PID 1480 wrote to memory of 2988	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	netsh.exe
PID 1480 wrote to memory of 2988	1480	f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe	netsh.exe
PID 2888 wrote to memory of 2960	2888	pfamgswo.exe	svchost.exe
PID 2888 wrote to memory of 2960	2888	pfamgswo.exe	svchost.exe
PID 2888 wrote to memory of 2960	2888	pfamgswo.exe	svchost.exe
PID 2888 wrote to memory of 2960	2888	pfamgswo.exe	svchost.exe
PID 2888 wrote to memory of 2960	2888	pfamgswo.exe	svchost.exe
PID 2888 wrote to memory of 2960	2888	pfamgswo.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1480
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qwmnvewg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pfamgswo.exe" C:\Windows\SysWOW64\qwmnvewg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2544
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qwmnvewg binPath= "C:\Windows\SysWOW64\qwmnvewg\pfamgswo.exe /d\"C:\Users\Admin\AppData\Local\Temp\f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1460
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qwmnvewg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2704
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qwmnvewg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2828
- 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:2988

C:\Windows\SysWOW64\qwmnvewg\pfamgswo.exe
C:\Windows\SysWOW64\qwmnvewg\pfamgswo.exe /d"C:\Users\Admin\AppData\Local\Temp\f9caba13b66e0532d3eef154eb604a60_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2888
- 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:2960

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\pfamgswo.exe

Filesize
12.1MB

MD5
4ff25d9b416e8a658019a150911cc553

SHA1
71ef53c05aedcc88c9234050e17eca81e571960c

SHA256
84b1d152b33f304c1f432d9ca0f099e86869a3a723da10bab008dad0fbdfcefe

SHA512
7841164ec6250928341d010fe08978cf0dd43556c492c43bfddc373a111bb2a77617ece18a437b6204e7e0c03c358d593ee835e01c65d8da006857e2659d9180

Download Submit
memory/1480-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/1480-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1480-4-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download
memory/1480-8-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download
memory/1480-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2888-16-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download
memory/2960-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2960-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2960-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2960-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2960-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads