tofsee | 8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a

General

Target

JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe
Size

287KB
MD5

25172811500a72cb3f5b11c4c6ac33e7
SHA1

7759eb7c31b0c0cb8a382de6b6b2f9d9bea3efac
SHA256

8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a
SHA512

87c24014fc5cb3dd8fa3ee39a73ec82d9dd0e07ab056a4ef26924cde131a2bd3b1e33bc1f59bd776841d91a59d7388a16932e07764a947389a089f7ff6d348a9
SSDEEP

1536:6wOzHMkC5wjP6kUm8sGaCvspGdWnbZNOcVjsqPrGchkchyhs8mNI5Qphsw:ck2/Z/CvsphnbZNpjserlRghs8D5ehs

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

patmushta.info

parubey.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
4944	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\cfxopnsq\ImagePath = "C:\\Windows\\SysWOW64\\cfxopnsq\\aywldqmp.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_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe

Executes dropped EXE 1 IoCs

pid	Process
3016	aywldqmp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3016 set thread context of 3664	3016	aywldqmp.exe	97

Launches sc.exe 3 IoCs

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

pid	Process
856	sc.exe
1488	sc.exe
1692	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 1 IoCs

pid	pid_target	Process	procid_target
3776	3016	WerFault.exe	94

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aywldqmp.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3864 wrote to memory of 4976	3864	JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe	84
PID 3864 wrote to memory of 4976	3864	JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe	84
PID 3864 wrote to memory of 4976	3864	JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe	84
PID 3864 wrote to memory of 64	3864	JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe	86
PID 3864 wrote to memory of 64	3864	JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe	86
PID 3864 wrote to memory of 64	3864	JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe	86
PID 3864 wrote to memory of 856	3864	JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe	88
PID 3864 wrote to memory of 856	3864	JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe	88
PID 3864 wrote to memory of 856	3864	JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe	88
PID 3864 wrote to memory of 1488	3864	JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe	90
PID 3864 wrote to memory of 1488	3864	JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe	90
PID 3864 wrote to memory of 1488	3864	JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe	90
PID 3864 wrote to memory of 1692	3864	JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe	92
PID 3864 wrote to memory of 1692	3864	JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe	92
PID 3864 wrote to memory of 1692	3864	JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe	92
PID 3864 wrote to memory of 4944	3864	JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe	95
PID 3864 wrote to memory of 4944	3864	JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe	95
PID 3864 wrote to memory of 4944	3864	JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe	95
PID 3016 wrote to memory of 3664	3016	aywldqmp.exe	97
PID 3016 wrote to memory of 3664	3016	aywldqmp.exe	97
PID 3016 wrote to memory of 3664	3016	aywldqmp.exe	97
PID 3016 wrote to memory of 3664	3016	aywldqmp.exe	97
PID 3016 wrote to memory of 3664	3016	aywldqmp.exe	97

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3864
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cfxopnsq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4976
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\aywldqmp.exe" C:\Windows\SysWOW64\cfxopnsq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:64
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cfxopnsq binPath= "C:\Windows\SysWOW64\cfxopnsq\aywldqmp.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:856
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description cfxopnsq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1488
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cfxopnsq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1692
- 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:4944

C:\Windows\SysWOW64\cfxopnsq\aywldqmp.exe
C:\Windows\SysWOW64\cfxopnsq\aywldqmp.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d92811fc9063ef8c850577853a972d7a90de422bac891afb36916587f37878a.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - System Location Discovery: System Language Discovery
  PID:3664
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 536
  2⤵
  - Program crash
  PID:3776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3016 -ip 3016
1⤵
PID:3680

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\aywldqmp.exe

Filesize
10.6MB

MD5
fb7fb6fa4761c4a99d2d977d3a77f9d8

SHA1
8089fa9d04682f84c5d0f2ec93a62f9477c58c66

SHA256
dc5ce2918d664148b52ee8074f1a0632ac000918be26e2a56448c2225c43147d

SHA512
bf8cc117c38d225ced98b7d9e813c380db0533d8617bc0ea79ba3352e8ea32535d3df99cd85c3aba63a77b135a16be12a47b4f4f8d0d479efc98b5b4a9575506

Download Submit
memory/3016-8-0x0000000000400000-0x0000000002B7D000-memory.dmp

Filesize
39.5MB

Download
memory/3664-6-0x00000000010F0000-0x0000000001105000-memory.dmp

Filesize
84KB

Download
memory/3664-13-0x00000000010F0000-0x0000000001105000-memory.dmp

Filesize
84KB

Download
memory/3664-14-0x00000000010F0000-0x0000000001105000-memory.dmp

Filesize
84KB

Download
memory/3864-0-0x00000000048C0000-0x00000000048CD000-memory.dmp

Filesize
52KB

Download
memory/3864-1-0x00000000048D0000-0x00000000048E3000-memory.dmp

Filesize
76KB

Download
memory/3864-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3864-9-0x00000000048C0000-0x00000000048CD000-memory.dmp

Filesize
52KB

Download
memory/3864-11-0x00000000048D0000-0x00000000048E3000-memory.dmp

Filesize
76KB

Download
memory/3864-10-0x0000000000400000-0x0000000002B7D000-memory.dmp

Filesize
39.5MB

Download
memory/3864-12-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads