tofsee | 1f4c50d838d219ad267220ab0364f0f5e9cf0311e9d34772bcae88e64af0a0ef

General

Target

JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe
Size

10.5MB
MD5

013fba036dd48a94da833b2bf9803b76
SHA1

89d754dc7baded56e4652262a19a659d265d0ebf
SHA256

1f4c50d838d219ad267220ab0364f0f5e9cf0311e9d34772bcae88e64af0a0ef
SHA512

eca85f354836abcce6e1167f3615a2ef06addaf23077843d378e2cd3945a4d9ba832ca381c7e243ee10232069b358e42f0ccc0a010a6368fd71cfcab45c93d1e
SSDEEP

98304:5Y3333333333333333333333333333333333333333333333333333333333333H:5

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.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
4476	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\wlndhawt\ImagePath = "C:\\Windows\\SysWOW64\\wlndhawt\\jqcpylmg.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_013fba036dd48a94da833b2bf9803b76.exe

Deletes itself 1 IoCs

pid	Process
3304	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
116	jqcpylmg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 116 set thread context of 3304	116	jqcpylmg.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
2952	sc.exe
4508	sc.exe
4832	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
4532	2388	WerFault.exe	81
3376	116	WerFault.exe	92

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	jqcpylmg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_013fba036dd48a94da833b2bf9803b76.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
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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 4740	2388	JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe	82
PID 2388 wrote to memory of 4740	2388	JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe	82
PID 2388 wrote to memory of 4740	2388	JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe	82
PID 2388 wrote to memory of 3808	2388	JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe	84
PID 2388 wrote to memory of 3808	2388	JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe	84
PID 2388 wrote to memory of 3808	2388	JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe	84
PID 2388 wrote to memory of 4508	2388	JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe	86
PID 2388 wrote to memory of 4508	2388	JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe	86
PID 2388 wrote to memory of 4508	2388	JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe	86
PID 2388 wrote to memory of 4832	2388	JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe	88
PID 2388 wrote to memory of 4832	2388	JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe	88
PID 2388 wrote to memory of 4832	2388	JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe	88
PID 2388 wrote to memory of 2952	2388	JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe	90
PID 2388 wrote to memory of 2952	2388	JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe	90
PID 2388 wrote to memory of 2952	2388	JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe	90
PID 2388 wrote to memory of 4476	2388	JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe	93
PID 2388 wrote to memory of 4476	2388	JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe	93
PID 2388 wrote to memory of 4476	2388	JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe	93
PID 116 wrote to memory of 3304	116	jqcpylmg.exe	98
PID 116 wrote to memory of 3304	116	jqcpylmg.exe	98
PID 116 wrote to memory of 3304	116	jqcpylmg.exe	98
PID 116 wrote to memory of 3304	116	jqcpylmg.exe	98
PID 116 wrote to memory of 3304	116	jqcpylmg.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wlndhawt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jqcpylmg.exe" C:\Windows\SysWOW64\wlndhawt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3808
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wlndhawt binPath= "C:\Windows\SysWOW64\wlndhawt\jqcpylmg.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4508
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wlndhawt "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4832
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wlndhawt
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2952
- 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:4476
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 1032
  2⤵
  - Program crash
  PID:4532

C:\Windows\SysWOW64\wlndhawt\jqcpylmg.exe
C:\Windows\SysWOW64\wlndhawt\jqcpylmg.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_013fba036dd48a94da833b2bf9803b76.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:116
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3304
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 116 -s 508
  2⤵
  - Program crash
  PID:3376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2388 -ip 2388
1⤵
PID:2264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 116 -ip 116
1⤵
PID:4412

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\jqcpylmg.exe

Filesize
13.2MB

MD5
713ebb946e7a5442a0d2030e72db0e15

SHA1
73e54cb0764dac9ae66b28be8f9b81b197fbff30

SHA256
5a91e0a0bbaf270c68eb28a583eb3210d806a952c95d97d442b7b765d01041f7

SHA512
fa0c361ecd8e86ec242f95789097214797686c95660955737dfc551c9aa011ac900397feaf47822e38d0b38a9b3e8fca6b4a47517391011f6f8f5d42171eefc0

Download Submit
memory/116-13-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/116-11-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/116-12-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/116-19-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2388-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2388-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2388-8-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2388-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2388-9-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2388-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/3304-14-0x0000000000230000-0x0000000000245000-memory.dmp

Filesize
84KB

Download
memory/3304-16-0x0000000000230000-0x0000000000245000-memory.dmp

Filesize
84KB

Download
memory/3304-17-0x0000000000230000-0x0000000000245000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads