tofsee | b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70

General

Target

JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe
Size

283KB
MD5

cd9370a7d3a7a375303c7be483e3c373
SHA1

744b3550d465e0f03c8f3453124e3d6f60a220dc
SHA256

b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70
SHA512

efcbb8c3432af8b06843c6bd5fa00eebd855a00ac9a47ed317a90c5e0f431e2eebff13a23d7d637562e14500470683633c98ac44edc072db16f082a74dcb8936
SSDEEP

3072:l2JH08WiAMFofigU4a3Wb1D1lCHX7k409ZOycCnAZTioXDQWt7kUxoj1:l250kFoq4Fb1ZlgLklI9HFkU

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
3672	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\xtiogntq\ImagePath = "C:\\Windows\\SysWOW64\\xtiogntq\\hxxxmdjb.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_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe

Deletes itself 1 IoCs

pid	Process
4164	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
5072	hxxxmdjb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5072 set thread context of 4164	5072	hxxxmdjb.exe	103

Launches sc.exe 3 IoCs

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

pid	Process
3528	sc.exe
3360	sc.exe
3288	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
3496	1464	WerFault.exe	82
2132	5072	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	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	JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.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	hxxxmdjb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 3420	1464	JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe	83
PID 1464 wrote to memory of 3420	1464	JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe	83
PID 1464 wrote to memory of 3420	1464	JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe	83
PID 1464 wrote to memory of 4736	1464	JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe	85
PID 1464 wrote to memory of 4736	1464	JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe	85
PID 1464 wrote to memory of 4736	1464	JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe	85
PID 1464 wrote to memory of 3528	1464	JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe	87
PID 1464 wrote to memory of 3528	1464	JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe	87
PID 1464 wrote to memory of 3528	1464	JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe	87
PID 1464 wrote to memory of 3360	1464	JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe	90
PID 1464 wrote to memory of 3360	1464	JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe	90
PID 1464 wrote to memory of 3360	1464	JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe	90
PID 1464 wrote to memory of 3288	1464	JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe	94
PID 1464 wrote to memory of 3288	1464	JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe	94
PID 1464 wrote to memory of 3288	1464	JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe	94
PID 1464 wrote to memory of 3672	1464	JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe	97
PID 1464 wrote to memory of 3672	1464	JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe	97
PID 1464 wrote to memory of 3672	1464	JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe	97
PID 5072 wrote to memory of 4164	5072	hxxxmdjb.exe	103
PID 5072 wrote to memory of 4164	5072	hxxxmdjb.exe	103
PID 5072 wrote to memory of 4164	5072	hxxxmdjb.exe	103
PID 5072 wrote to memory of 4164	5072	hxxxmdjb.exe	103
PID 5072 wrote to memory of 4164	5072	hxxxmdjb.exe	103

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xtiogntq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3420
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hxxxmdjb.exe" C:\Windows\SysWOW64\xtiogntq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4736
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xtiogntq binPath= "C:\Windows\SysWOW64\xtiogntq\hxxxmdjb.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3528
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xtiogntq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3360
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xtiogntq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3288
- 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:3672
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 1184
  2⤵
  - Program crash
  PID:3496

C:\Windows\SysWOW64\xtiogntq\hxxxmdjb.exe
C:\Windows\SysWOW64\xtiogntq\hxxxmdjb.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b2863b08e563d89e40b7181aeb328dac3059e3ad06d0e7320a1645385d967d70.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5072
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4164
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 516
  2⤵
  - Program crash
  PID:2132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1464 -ip 1464
1⤵
PID:3224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5072 -ip 5072
1⤵
PID:1488

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\hxxxmdjb.exe

Filesize
11.9MB

MD5
ee61d092aa880e9403b5d8e3febb6b15

SHA1
fe6ca7077a6466e67c0f869474a14abd8455e05f

SHA256
9a4f5f16871d004e613ea6f324cf1fddca3ac22fbd619f265425188346eafe88

SHA512
dd1a8f725afa246c4bf4fd481e3b1693c5aa0a320804cd762bb68e550d328e346b1f3cb659a51947783d304e062210904586940b8c7754a12b4b41137ecf5eab

Download Submit
memory/1464-2-0x0000000002EE0000-0x0000000002EF3000-memory.dmp

Filesize
76KB

Download
memory/1464-1-0x0000000002F60000-0x0000000003060000-memory.dmp

Filesize
1024KB

Download
memory/1464-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1464-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1464-9-0x0000000002EE0000-0x0000000002EF3000-memory.dmp

Filesize
76KB

Download
memory/1464-8-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download
memory/4164-11-0x0000000000780000-0x0000000000795000-memory.dmp

Filesize
84KB

Download
memory/4164-13-0x0000000000780000-0x0000000000795000-memory.dmp

Filesize
84KB

Download
memory/4164-14-0x0000000000780000-0x0000000000795000-memory.dmp

Filesize
84KB

Download
memory/5072-15-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads