tofsee | f1c3904f17a45e3329987e5f2c0e1ac8e355d58a09a9132158657767a08848f1

General

Target

JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe
Size

13.8MB
MD5

6cc1eb3c70bac773f7e614183c058a1b
SHA1

63062b6908128385f388d5a9a88e2adade621b19
SHA256

f1c3904f17a45e3329987e5f2c0e1ac8e355d58a09a9132158657767a08848f1
SHA512

c3dfc2421e85f281576d2840f26e34f84f5cd75d84f1ee34654116fc7b2d190dbf846319daf63ce0284c64bf9da7d0e61291d19a5d2b14bdc6dee6b80a333e1c
SSDEEP

6144:XNvMXNc7x72uNJFeTgkYIvpjkHp2e7z+/uyAmMGwDkqyyyyyyyyyyyyyyyyyyyyW:XNvM9i7fNJFeTgk9BjkHp2Euu1mr

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
4184	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\zfdtdiqp\ImagePath = "C:\\Windows\\SysWOW64\\zfdtdiqp\\axinlvsp.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_6cc1eb3c70bac773f7e614183c058a1b.exe

Deletes itself 1 IoCs

pid	Process
4596	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4808	axinlvsp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4808 set thread context of 4596	4808	axinlvsp.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
3208	sc.exe
2212	sc.exe
2908	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
2112	4792	WerFault.exe	81
2940	4808	WerFault.exe	96

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	JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.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	axinlvsp.exe
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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 3064	4792	JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe	82
PID 4792 wrote to memory of 3064	4792	JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe	82
PID 4792 wrote to memory of 3064	4792	JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe	82
PID 4792 wrote to memory of 4288	4792	JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe	86
PID 4792 wrote to memory of 4288	4792	JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe	86
PID 4792 wrote to memory of 4288	4792	JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe	86
PID 4792 wrote to memory of 3208	4792	JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe	88
PID 4792 wrote to memory of 3208	4792	JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe	88
PID 4792 wrote to memory of 3208	4792	JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe	88
PID 4792 wrote to memory of 2212	4792	JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe	92
PID 4792 wrote to memory of 2212	4792	JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe	92
PID 4792 wrote to memory of 2212	4792	JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe	92
PID 4792 wrote to memory of 2908	4792	JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe	94
PID 4792 wrote to memory of 2908	4792	JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe	94
PID 4792 wrote to memory of 2908	4792	JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe	94
PID 4792 wrote to memory of 4184	4792	JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe	97
PID 4792 wrote to memory of 4184	4792	JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe	97
PID 4792 wrote to memory of 4184	4792	JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe	97
PID 4808 wrote to memory of 4596	4808	axinlvsp.exe	102
PID 4808 wrote to memory of 4596	4808	axinlvsp.exe	102
PID 4808 wrote to memory of 4596	4808	axinlvsp.exe	102
PID 4808 wrote to memory of 4596	4808	axinlvsp.exe	102
PID 4808 wrote to memory of 4596	4808	axinlvsp.exe	102

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4792
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zfdtdiqp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\axinlvsp.exe" C:\Windows\SysWOW64\zfdtdiqp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4288
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zfdtdiqp binPath= "C:\Windows\SysWOW64\zfdtdiqp\axinlvsp.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3208
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zfdtdiqp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2212
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zfdtdiqp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2908
- 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:4184
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 584
  2⤵
  - Program crash
  PID:2112

C:\Windows\SysWOW64\zfdtdiqp\axinlvsp.exe
C:\Windows\SysWOW64\zfdtdiqp\axinlvsp.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.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:4596
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4808 -s 516
  2⤵
  - Program crash
  PID:2940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4792 -ip 4792
1⤵
PID:2108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4808 -ip 4808
1⤵
PID:4048

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\axinlvsp.exe

Filesize
14.8MB

MD5
b9125eb944e1b9d4a19affe0936e8e75

SHA1
7bc7dd40df4e21cc498791059cdaba0fdb76ee7c

SHA256
d89a03ba66101d8a4a828b8a582638288176f4fb3aba3d2a1deeb6d87d5a8cb4

SHA512
cffe73144f766dda764972d94a404a9cdf036fb33c7dd836a1687a480d5564d8d10f6751711c880d01d798dbcac7e64001501cc1c628480242a522282d3eef56

Download Submit
memory/4596-12-0x0000000000CC0000-0x0000000000CD5000-memory.dmp

Filesize
84KB

Download
memory/4596-14-0x0000000000CC0000-0x0000000000CD5000-memory.dmp

Filesize
84KB

Download
memory/4596-15-0x0000000000CC0000-0x0000000000CD5000-memory.dmp

Filesize
84KB

Download
memory/4792-1-0x0000000000980000-0x0000000000A80000-memory.dmp

Filesize
1024KB

Download
memory/4792-2-0x0000000000930000-0x0000000000943000-memory.dmp

Filesize
76KB

Download
memory/4792-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4792-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4792-8-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/4792-9-0x0000000000930000-0x0000000000943000-memory.dmp

Filesize
76KB

Download
memory/4808-11-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/4808-16-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads