tofsee | 91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1

General

Target

JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe
Size

275KB
MD5

063b2c711a6b8465d2a41d4d40f2ca44
SHA1

3fd50df7aaba9b0d0bdbf6562edb27ddbf9c669d
SHA256

91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1
SHA512

ccb06b5c65430058b8a59e707097fae94cd5a9318d031f01e5c27150ef6a53fb6c5778c238aa548cc52337c9b1a476c9f2d65d8c7854ac2bc53eab93584ae963
SSDEEP

3072:Mhcq5Laho8fOlVrtL5A4b/JwPn/yWsDrj651/DLPM7+M/h3:AX5Lwlf6VnW3UUDLPM7+

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
1924	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\molirgqf\ImagePath = "C:\\Windows\\SysWOW64\\molirgqf\\ppnlyas.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe

Deletes itself 1 IoCs

pid	Process
3048	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2216	ppnlyas.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2216 set thread context of 3048	2216	ppnlyas.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
1368	sc.exe
856	sc.exe
3968	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
100	536	WerFault.exe	82
3232	2216	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	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	ppnlyas.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.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	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 536 wrote to memory of 1012	536	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	83
PID 536 wrote to memory of 1012	536	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	83
PID 536 wrote to memory of 1012	536	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	83
PID 536 wrote to memory of 2272	536	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	85
PID 536 wrote to memory of 2272	536	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	85
PID 536 wrote to memory of 2272	536	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	85
PID 536 wrote to memory of 1368	536	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	87
PID 536 wrote to memory of 1368	536	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	87
PID 536 wrote to memory of 1368	536	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	87
PID 536 wrote to memory of 856	536	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	90
PID 536 wrote to memory of 856	536	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	90
PID 536 wrote to memory of 856	536	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	90
PID 536 wrote to memory of 3968	536	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	92
PID 536 wrote to memory of 3968	536	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	92
PID 536 wrote to memory of 3968	536	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	92
PID 536 wrote to memory of 1924	536	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	95
PID 536 wrote to memory of 1924	536	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	95
PID 536 wrote to memory of 1924	536	JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe	95
PID 2216 wrote to memory of 3048	2216	ppnlyas.exe	101
PID 2216 wrote to memory of 3048	2216	ppnlyas.exe	101
PID 2216 wrote to memory of 3048	2216	ppnlyas.exe	101
PID 2216 wrote to memory of 3048	2216	ppnlyas.exe	101
PID 2216 wrote to memory of 3048	2216	ppnlyas.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:536
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\molirgqf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1012
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ppnlyas.exe" C:\Windows\SysWOW64\molirgqf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2272
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create molirgqf binPath= "C:\Windows\SysWOW64\molirgqf\ppnlyas.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1368
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description molirgqf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:856
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start molirgqf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3968
- 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:1924
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 672
  2⤵
  - Program crash
  PID:100

C:\Windows\SysWOW64\molirgqf\ppnlyas.exe
C:\Windows\SysWOW64\molirgqf\ppnlyas.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_91afd4d395681d7acb2ca45e7a1817b3c828fad2e28e1c0ceaebb152176b20e1.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3048
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 516
  2⤵
  - Program crash
  PID:3232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 536 -ip 536
1⤵
PID:4792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2216 -ip 2216
1⤵
PID:2692

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\ppnlyas.exe

Filesize
12.1MB

MD5
a4e0a8d88ddd528165c6068222806d4d

SHA1
dca8603bf982b75e1593920f78ee7454416f55f1

SHA256
269c70845f1368543078fce21d2cabeb96fb928be55647e27b68753dbe606c51

SHA512
ab406a7fe1c8c269731b6e0a7ffcad42e7aa14157fb007f879f271b2ed783285fcb50d5c7266c5784892ca1f1ed94cd315fa176f3994a106aca32a9d6f00b999

Download Submit
memory/536-7-0x00000000004C0000-0x00000000004CD000-memory.dmp

Filesize
52KB

Download
memory/536-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/536-1-0x00000000005D0000-0x00000000005E3000-memory.dmp

Filesize
76KB

Download
memory/536-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/536-8-0x00000000005D0000-0x00000000005E3000-memory.dmp

Filesize
76KB

Download
memory/536-0-0x00000000004C0000-0x00000000004CD000-memory.dmp

Filesize
52KB

Download
memory/536-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2216-10-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2216-11-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2216-12-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2216-18-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3048-13-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/3048-15-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/3048-16-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads