tofsee | b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00

General

Target

JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe
Size

146KB
MD5

35d2e76123aacdc2f711476cdf0fafc0
SHA1

9836b00a794764404d6b67d31f0108cb32bdd6ec
SHA256

b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00
SHA512

bcd513d186e8af75eeb350d62c2560efd59cc23018761936b2605f83921f39bac32cb5c052e380448eb35c372bd0f931a0338f1bef3ecbb93c2a0eba61ad290f
SSDEEP

1536:yfISSdp/jPWfoqVxFY7VY0e4ahObF8OXkZh3uJp+Q7Jgz70J62CAWhJz:yFYpafoqZaLFLXkTqfPM2CA8Jz

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
1488	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\pufyxacf\ImagePath = "C:\\Windows\\SysWOW64\\pufyxacf\\mgpzmpug.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe

Deletes itself 1 IoCs

pid	Process
808	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3668	mgpzmpug.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3668 set thread context of 808	3668	mgpzmpug.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
2804	sc.exe
412	sc.exe
656	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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
816	2552	WerFault.exe	81
4252	3668	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mgpzmpug.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 1752	2552	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	82
PID 2552 wrote to memory of 1752	2552	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	82
PID 2552 wrote to memory of 1752	2552	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	82
PID 2552 wrote to memory of 4568	2552	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	84
PID 2552 wrote to memory of 4568	2552	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	84
PID 2552 wrote to memory of 4568	2552	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	84
PID 2552 wrote to memory of 412	2552	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	86
PID 2552 wrote to memory of 412	2552	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	86
PID 2552 wrote to memory of 412	2552	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	86
PID 2552 wrote to memory of 656	2552	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	88
PID 2552 wrote to memory of 656	2552	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	88
PID 2552 wrote to memory of 656	2552	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	88
PID 2552 wrote to memory of 2804	2552	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	90
PID 2552 wrote to memory of 2804	2552	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	90
PID 2552 wrote to memory of 2804	2552	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	90
PID 2552 wrote to memory of 1488	2552	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	93
PID 2552 wrote to memory of 1488	2552	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	93
PID 2552 wrote to memory of 1488	2552	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	93
PID 3668 wrote to memory of 808	3668	mgpzmpug.exe	98
PID 3668 wrote to memory of 808	3668	mgpzmpug.exe	98
PID 3668 wrote to memory of 808	3668	mgpzmpug.exe	98
PID 3668 wrote to memory of 808	3668	mgpzmpug.exe	98
PID 3668 wrote to memory of 808	3668	mgpzmpug.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pufyxacf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1752
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mgpzmpug.exe" C:\Windows\SysWOW64\pufyxacf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4568
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create pufyxacf binPath= "C:\Windows\SysWOW64\pufyxacf\mgpzmpug.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:412
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description pufyxacf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:656
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start pufyxacf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- 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:1488
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 1244
  2⤵
  - Program crash
  PID:816

C:\Windows\SysWOW64\pufyxacf\mgpzmpug.exe
C:\Windows\SysWOW64\pufyxacf\mgpzmpug.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3668
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:808
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3668 -s 508
  2⤵
  - Program crash
  PID:4252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2552 -ip 2552
1⤵
PID:4248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3668 -ip 3668
1⤵
PID:1232

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\mgpzmpug.exe

Filesize
12.6MB

MD5
736937fdc3b97a9735be1537c54527e8

SHA1
98bf927af23c139def28eddc9b548db3a058adf3

SHA256
e7cc49fe6f9c9e0fafc3f6f00bd58fa8b4fbf8f8ad7656f52a5bd63b35095708

SHA512
48794de87d1d1a1986a05f8526618f6d9ce285ed622aa8baa358903d3b09fa12bb8e8a43a9450dc529ba9e444f7ed7ce6065a9a0174554cca0b8a59cda5c4af9

Download Submit
memory/808-14-0x0000000001290000-0x00000000012A5000-memory.dmp

Filesize
84KB

Download
memory/808-17-0x0000000001290000-0x00000000012A5000-memory.dmp

Filesize
84KB

Download
memory/808-16-0x0000000001290000-0x00000000012A5000-memory.dmp

Filesize
84KB

Download
memory/2552-8-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2552-9-0x0000000000650000-0x0000000000663000-memory.dmp

Filesize
76KB

Download
memory/2552-1-0x0000000000690000-0x0000000000790000-memory.dmp

Filesize
1024KB

Download
memory/2552-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2552-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2552-2-0x0000000000650000-0x0000000000663000-memory.dmp

Filesize
76KB

Download
memory/3668-11-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/3668-12-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/3668-13-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/3668-18-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads