tofsee | 3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55

General

Target

JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe
Size

154KB
MD5

1417d3bfef9f5d4b068124f9df853f88
SHA1

e82683043a292e42abd968422ada90f2ad3a6a26
SHA256

3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55
SHA512

dc47bb34b28bc64be767f2569cb88c8d4401b00fc8eeea0b7cc7b4156c3036484b87f308f447c310d1ac40c711a78d4738f1c1cc4619df196ed9e4cc7f23170d
SSDEEP

1536:93XTaOHdVEPzF68p31lwV95rPFlhyg6yrfAvKm5A5XzcwC1sulQoPt/CD6Hnz:9zamdNYlY5Z7y44Sm5A5X2ODo0OHz

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
972	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\hhslvmre\ImagePath = "C:\\Windows\\SysWOW64\\hhslvmre\\ahkijjzn.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_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe

Deletes itself 1 IoCs

pid	Process
1588	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4808	ahkijjzn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4808 set thread context of 1588	4808	ahkijjzn.exe	95

Launches sc.exe 3 IoCs

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

pid	Process
2940	sc.exe
1028	sc.exe
1184	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

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	svchost.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ahkijjzn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 1684	4588	JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe	82
PID 4588 wrote to memory of 1684	4588	JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe	82
PID 4588 wrote to memory of 1684	4588	JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe	82
PID 4588 wrote to memory of 4304	4588	JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe	84
PID 4588 wrote to memory of 4304	4588	JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe	84
PID 4588 wrote to memory of 4304	4588	JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe	84
PID 4588 wrote to memory of 1028	4588	JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe	86
PID 4588 wrote to memory of 1028	4588	JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe	86
PID 4588 wrote to memory of 1028	4588	JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe	86
PID 4588 wrote to memory of 1184	4588	JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe	88
PID 4588 wrote to memory of 1184	4588	JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe	88
PID 4588 wrote to memory of 1184	4588	JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe	88
PID 4588 wrote to memory of 2940	4588	JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe	90
PID 4588 wrote to memory of 2940	4588	JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe	90
PID 4588 wrote to memory of 2940	4588	JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe	90
PID 4588 wrote to memory of 972	4588	JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe	93
PID 4588 wrote to memory of 972	4588	JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe	93
PID 4588 wrote to memory of 972	4588	JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe	93
PID 4808 wrote to memory of 1588	4808	ahkijjzn.exe	95
PID 4808 wrote to memory of 1588	4808	ahkijjzn.exe	95
PID 4808 wrote to memory of 1588	4808	ahkijjzn.exe	95
PID 4808 wrote to memory of 1588	4808	ahkijjzn.exe	95
PID 4808 wrote to memory of 1588	4808	ahkijjzn.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4588
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hhslvmre\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1684
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ahkijjzn.exe" C:\Windows\SysWOW64\hhslvmre\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4304
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hhslvmre binPath= "C:\Windows\SysWOW64\hhslvmre\ahkijjzn.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1028
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hhslvmre "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1184
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hhslvmre
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2940
- 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:972

C:\Windows\SysWOW64\hhslvmre\ahkijjzn.exe
C:\Windows\SysWOW64\hhslvmre\ahkijjzn.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3053837114eb098cb0fde68bb99db208eb69035b9af2c133a83971f05bf22e55.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4808
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1588

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\ahkijjzn.exe

Filesize
13.1MB

MD5
828c1abbc7a6d334e5bf4edc3a570070

SHA1
7c56e497722d565ea5760800dd97e05581eb7523

SHA256
636a65f8f0af07d994a263b9abf13e94d24264c0149ff24eb8d2a0aac8cd283f

SHA512
e599c3ee1a33c46b9e467cdda4e4951b3772a9e66080430b654e2b116e3e386261f2c425d519636890b84d8dd54262312058b881d0a32f547ec812b72b7638b1

Download Submit
memory/1588-14-0x0000000001070000-0x0000000001085000-memory.dmp

Filesize
84KB

Download
memory/1588-19-0x0000000001070000-0x0000000001085000-memory.dmp

Filesize
84KB

Download
memory/1588-16-0x0000000001070000-0x0000000001085000-memory.dmp

Filesize
84KB

Download
memory/4588-8-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/4588-9-0x0000000000640000-0x0000000000653000-memory.dmp

Filesize
76KB

Download
memory/4588-1-0x0000000000850000-0x0000000000950000-memory.dmp

Filesize
1024KB

Download
memory/4588-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4588-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4588-2-0x0000000000640000-0x0000000000653000-memory.dmp

Filesize
76KB

Download
memory/4808-11-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/4808-12-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/4808-13-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/4808-18-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads