tofsee | 3a0c699dfd2818026b2685be853b6e4470501d8ea9c7126af16c6f3c62e8ccd7

General

Target

JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe
Size

14.5MB
MD5

34c46c275c84f9c8aa05c3399a1ee9bc
SHA1

995251cca3838fb9a19ec7bdc2826e6b05dfa503
SHA256

3a0c699dfd2818026b2685be853b6e4470501d8ea9c7126af16c6f3c62e8ccd7
SHA512

a308a2dd4975dc2c41e8c8cb12af1a539b43997c150ebfb6fa0ef2e658127380c44c86b9e09878948730ecc4546f10957286de67251e45a876e003924d87ed3f
SSDEEP

3072:p0dYxvqagQYPbb1gFlSLMU+++++++++++++++++++++++++++++++++++++++++m:+dYrYP1gjSI

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

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
1996	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\qmxmaclo\ImagePath = "C:\\Windows\\SysWOW64\\qmxmaclo\\orxrgrci.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe

Deletes itself 1 IoCs

pid	Process
4632	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
432	orxrgrci.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 432 set thread context of 4632	432	orxrgrci.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
436	sc.exe
3616	sc.exe
2708	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	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	orxrgrci.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.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 23 IoCs

description	pid	Process	procid_target
PID 4408 wrote to memory of 1416	4408	JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe	83
PID 4408 wrote to memory of 1416	4408	JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe	83
PID 4408 wrote to memory of 1416	4408	JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe	83
PID 4408 wrote to memory of 4256	4408	JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe	85
PID 4408 wrote to memory of 4256	4408	JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe	85
PID 4408 wrote to memory of 4256	4408	JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe	85
PID 4408 wrote to memory of 436	4408	JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe	87
PID 4408 wrote to memory of 436	4408	JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe	87
PID 4408 wrote to memory of 436	4408	JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe	87
PID 4408 wrote to memory of 3616	4408	JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe	89
PID 4408 wrote to memory of 3616	4408	JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe	89
PID 4408 wrote to memory of 3616	4408	JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe	89
PID 4408 wrote to memory of 2708	4408	JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe	91
PID 4408 wrote to memory of 2708	4408	JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe	91
PID 4408 wrote to memory of 2708	4408	JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe	91
PID 4408 wrote to memory of 1996	4408	JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe	94
PID 4408 wrote to memory of 1996	4408	JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe	94
PID 4408 wrote to memory of 1996	4408	JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe	94
PID 432 wrote to memory of 4632	432	orxrgrci.exe	101
PID 432 wrote to memory of 4632	432	orxrgrci.exe	101
PID 432 wrote to memory of 4632	432	orxrgrci.exe	101
PID 432 wrote to memory of 4632	432	orxrgrci.exe	101
PID 432 wrote to memory of 4632	432	orxrgrci.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4408
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qmxmaclo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1416
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\orxrgrci.exe" C:\Windows\SysWOW64\qmxmaclo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4256
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qmxmaclo binPath= "C:\Windows\SysWOW64\qmxmaclo\orxrgrci.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:436
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qmxmaclo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3616
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qmxmaclo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2708
- 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:1996

C:\Windows\SysWOW64\qmxmaclo\orxrgrci.exe
C:\Windows\SysWOW64\qmxmaclo\orxrgrci.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_34c46c275c84f9c8aa05c3399a1ee9bc.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:432
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4632

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\orxrgrci.exe

Filesize
10.4MB

MD5
a2843a29d3f7e5d39e87107aa09af5c1

SHA1
0b081152bcfcebb46d31d89b8f8238991167132a

SHA256
ee02b184f86c34074e09cb9bf07b915e877a70a1a7ed9dab6b13aa92d615b781

SHA512
0fd6d8dfe035f50e64a69ce6bb5aff5006bd42c40693003b89256501cd15b9f6a6e07aab80bb2ddf35990d71692293ec4aee53ff1caf4933db90391a96cabd48

Download Submit
memory/432-12-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/432-11-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/432-13-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/432-16-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/4408-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4408-2-0x0000000000480000-0x0000000000493000-memory.dmp

Filesize
76KB

Download
memory/4408-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4408-8-0x0000000000480000-0x0000000000493000-memory.dmp

Filesize
76KB

Download
memory/4408-7-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/4408-1-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/4632-14-0x0000000000190000-0x00000000001A5000-memory.dmp

Filesize
84KB

Download
memory/4632-18-0x0000000000190000-0x00000000001A5000-memory.dmp

Filesize
84KB

Download
memory/4632-19-0x0000000000190000-0x00000000001A5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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