tofsee | 700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c

General

Target

JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe
Size

330KB
MD5

6fcaf23ef8971d307379f2b72fb81c55
SHA1

2498ae4635da9e4f3831537b69d15cf76e861145
SHA256

700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c
SHA512

a089475c77ced8a552b1c271d84836eb110b131823cd3b3043497991217e8321a0740460e3019ad1de5ba29a34a3dc104254242b44d4c4e513d805319a8dfda3
SSDEEP

6144:rWRnnoxN38zrPMWeoNf9MpaBvWgqE/NRAr:iA8zrPMaV9MpWqE3k

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

patmushta.info

ovicrush.cn

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
4432	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\qtiycfsn\ImagePath = "C:\\Windows\\SysWOW64\\qtiycfsn\\ctuwypex.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe

Deletes itself 1 IoCs

pid	Process
2564	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2236	ctuwypex.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2236 set thread context of 2564	2236	ctuwypex.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
4160	sc.exe
2460	sc.exe
3228	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
4256	460	WerFault.exe	82
1764	2236	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	JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.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	netsh.exe
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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ctuwypex.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 460 wrote to memory of 4348	460	JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe	83
PID 460 wrote to memory of 4348	460	JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe	83
PID 460 wrote to memory of 4348	460	JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe	83
PID 460 wrote to memory of 2252	460	JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe	85
PID 460 wrote to memory of 2252	460	JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe	85
PID 460 wrote to memory of 2252	460	JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe	85
PID 460 wrote to memory of 4160	460	JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe	87
PID 460 wrote to memory of 4160	460	JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe	87
PID 460 wrote to memory of 4160	460	JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe	87
PID 460 wrote to memory of 2460	460	JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe	89
PID 460 wrote to memory of 2460	460	JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe	89
PID 460 wrote to memory of 2460	460	JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe	89
PID 460 wrote to memory of 3228	460	JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe	92
PID 460 wrote to memory of 3228	460	JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe	92
PID 460 wrote to memory of 3228	460	JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe	92
PID 460 wrote to memory of 4432	460	JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe	95
PID 460 wrote to memory of 4432	460	JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe	95
PID 460 wrote to memory of 4432	460	JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe	95
PID 2236 wrote to memory of 2564	2236	ctuwypex.exe	100
PID 2236 wrote to memory of 2564	2236	ctuwypex.exe	100
PID 2236 wrote to memory of 2564	2236	ctuwypex.exe	100
PID 2236 wrote to memory of 2564	2236	ctuwypex.exe	100
PID 2236 wrote to memory of 2564	2236	ctuwypex.exe	100

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:460
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qtiycfsn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4348
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ctuwypex.exe" C:\Windows\SysWOW64\qtiycfsn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2252
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qtiycfsn binPath= "C:\Windows\SysWOW64\qtiycfsn\ctuwypex.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4160
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qtiycfsn "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2460
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qtiycfsn
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3228
- 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:4432
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 460 -s 1204
  2⤵
  - Program crash
  PID:4256

C:\Windows\SysWOW64\qtiycfsn\ctuwypex.exe
C:\Windows\SysWOW64\qtiycfsn\ctuwypex.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_700a74e0be060d8f16378526a1f70fd7a4275264f7961dc9979a9ff029663a0c.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2564
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 512
  2⤵
  - Program crash
  PID:1764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 460 -ip 460
1⤵
PID:2656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2236 -ip 2236
1⤵
PID:4496

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\ctuwypex.exe

Filesize
11.8MB

MD5
ceeec3bc8618b730079e31eca3746342

SHA1
5c52a64293d247788d3cab0e4c54878abf5c5218

SHA256
0cae666192a11c05442cf1b98ae408eccc8035f78db94c2a5f4f831ceb26c989

SHA512
048091e1d265141f462eab0f525f966074db7457c3759ad2dc67614721cd8e46230ca9ddb57bbbd4f591c352a517a54be8824516f8b6950844ae72a8048644f5

Download Submit
memory/460-2-0x0000000002C80000-0x0000000002C93000-memory.dmp

Filesize
76KB

Download
memory/460-1-0x0000000002CF0000-0x0000000002DF0000-memory.dmp

Filesize
1024KB

Download
memory/460-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/460-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/460-12-0x0000000002C80000-0x0000000002C93000-memory.dmp

Filesize
76KB

Download
memory/460-10-0x0000000000400000-0x0000000002B1C000-memory.dmp

Filesize
39.1MB

Download
memory/2236-11-0x0000000000400000-0x0000000002B1C000-memory.dmp

Filesize
39.1MB

Download
memory/2564-8-0x0000000000AF0000-0x0000000000B05000-memory.dmp

Filesize
84KB

Download
memory/2564-14-0x0000000000AF0000-0x0000000000B05000-memory.dmp

Filesize
84KB

Download
memory/2564-15-0x0000000000AF0000-0x0000000000B05000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads