tofsee | 6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb

General

Target

JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe
Size

160KB
MD5

f8751659a78b753753c6cd06c414358e
SHA1

d8b354927a734f92cd0d3972cbacef7e14ebd046
SHA256

6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb
SHA512

beac5506be29a2e9543250f81158cf9714c8a4d01690f3e3756bfa4ecfe7431327c7ff061cf4ea49aa8e16061c4d43d89cfa97f9bcd9843a1e798fd01dc99a6a
SSDEEP

1536:Ra2VSyQsJgXWheKALv54FZ9YsnVGMkSflFUG43TgLjDo81l+UVwvdj6peviBTPmC:clNGUja68XU2EUicgiCSYxUAVGh0a

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.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
4780	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\cypathhb\ImagePath = "C:\\Windows\\SysWOW64\\cypathhb\\wglyfazo.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe

Deletes itself 1 IoCs

pid	Process
1376	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3700	wglyfazo.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3700 set thread context of 1376	3700	wglyfazo.exe	93

Launches sc.exe 3 IoCs

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

pid	Process
4500	sc.exe
4844	sc.exe
4848	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
2160	3700	WerFault.exe	92
3044	3124	WerFault.exe	81

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	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wglyfazo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3124 wrote to memory of 4864	3124	JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe	82
PID 3124 wrote to memory of 4864	3124	JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe	82
PID 3124 wrote to memory of 4864	3124	JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe	82
PID 3124 wrote to memory of 3748	3124	JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe	84
PID 3124 wrote to memory of 3748	3124	JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe	84
PID 3124 wrote to memory of 3748	3124	JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe	84
PID 3124 wrote to memory of 4500	3124	JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe	86
PID 3124 wrote to memory of 4500	3124	JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe	86
PID 3124 wrote to memory of 4500	3124	JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe	86
PID 3124 wrote to memory of 4844	3124	JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe	88
PID 3124 wrote to memory of 4844	3124	JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe	88
PID 3124 wrote to memory of 4844	3124	JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe	88
PID 3124 wrote to memory of 4848	3124	JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe	90
PID 3124 wrote to memory of 4848	3124	JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe	90
PID 3124 wrote to memory of 4848	3124	JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe	90
PID 3700 wrote to memory of 1376	3700	wglyfazo.exe	93
PID 3700 wrote to memory of 1376	3700	wglyfazo.exe	93
PID 3700 wrote to memory of 1376	3700	wglyfazo.exe	93
PID 3700 wrote to memory of 1376	3700	wglyfazo.exe	93
PID 3700 wrote to memory of 1376	3700	wglyfazo.exe	93
PID 3124 wrote to memory of 4780	3124	JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe	97
PID 3124 wrote to memory of 4780	3124	JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe	97
PID 3124 wrote to memory of 4780	3124	JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe	97

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3124
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cypathhb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4864
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wglyfazo.exe" C:\Windows\SysWOW64\cypathhb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3748
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cypathhb binPath= "C:\Windows\SysWOW64\cypathhb\wglyfazo.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4500
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description cypathhb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4844
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cypathhb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4848
- 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:4780
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3124 -s 668
  2⤵
  - Program crash
  PID:3044

C:\Windows\SysWOW64\cypathhb\wglyfazo.exe
C:\Windows\SysWOW64\cypathhb\wglyfazo.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6fe7424d5f4d4ce6c5a5eef99cad1e1ffb0f4dad3ddbb932546a3e99286dc9bb.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3700
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1376
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 512
  2⤵
  - Program crash
  PID:2160

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3700 -ip 3700
1⤵
PID:3792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3124 -ip 3124
1⤵
PID:3508

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\wglyfazo.exe

Filesize
13.9MB

MD5
b28cceb9b52d6b9dbb82953e3876f949

SHA1
e84b324bd7e71824172f11b311d7d471281224bb

SHA256
f5c25c53a2bc83f1d6e977b9d766dbd466739e66d2a64cc1f654a539444d7347

SHA512
f46a7cc0b66d20c79e7b478f1d6ce7743c8926d26251ac84b2df2960285bf9c506f4f9923c037fbf019ff7693b1a831e3a1731ef67545594df42c2d132745f81

Download Submit
memory/1376-12-0x0000000001280000-0x0000000001295000-memory.dmp

Filesize
84KB

Download
memory/1376-18-0x0000000001280000-0x0000000001295000-memory.dmp

Filesize
84KB

Download
memory/1376-9-0x0000000001280000-0x0000000001295000-memory.dmp

Filesize
84KB

Download
memory/1376-20-0x0000000001280000-0x0000000001295000-memory.dmp

Filesize
84KB

Download
memory/1376-19-0x0000000001280000-0x0000000001295000-memory.dmp

Filesize
84KB

Download
memory/3124-0-0x00000000006E0000-0x00000000006ED000-memory.dmp

Filesize
52KB

Download
memory/3124-1-0x00000000006F0000-0x0000000000703000-memory.dmp

Filesize
76KB

Download
memory/3124-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3124-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3124-16-0x00000000006F0000-0x0000000000703000-memory.dmp

Filesize
76KB

Download
memory/3124-15-0x00000000006E0000-0x00000000006ED000-memory.dmp

Filesize
52KB

Download
memory/3124-14-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/3700-13-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/3700-6-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/3700-7-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/3700-8-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads