tofsee | c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847

General

Target

JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe
Size

244KB
MD5

ca1b0fab6b22d571f44f4e0b320b0c36
SHA1

36db18567393b5467f562ab9266f7bcd6c08cc81
SHA256

c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847
SHA512

fb0f7c95a00ac0e6894c8ffcbe0de7b4c1430065fb63f7b0241a54521f28387024984070de81778869714c879520ea3df4d0e6a1d388f3815b31ba65be7dee4b
SSDEEP

6144:LTZQCW0TZlWoHtNiVqFYcmW5jpkGk9Rc8:fZzTZlWqtEjcmc1kGr

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
1352	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\tligvjiq\ImagePath = "C:\\Windows\\SysWOW64\\tligvjiq\\dpkhonnb.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_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe

Deletes itself 1 IoCs

pid	Process
4952	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1712	dpkhonnb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1712 set thread context of 4952	1712	dpkhonnb.exe	103

Launches sc.exe 3 IoCs

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

pid	Process
1576	sc.exe
4956	sc.exe
832	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 2 IoCs

pid	pid_target	Process	procid_target
4172	428	WerFault.exe	84
2400	1712	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dpkhonnb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 428 wrote to memory of 4516	428	JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe	85
PID 428 wrote to memory of 4516	428	JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe	85
PID 428 wrote to memory of 4516	428	JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe	85
PID 428 wrote to memory of 3712	428	JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe	87
PID 428 wrote to memory of 3712	428	JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe	87
PID 428 wrote to memory of 3712	428	JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe	87
PID 428 wrote to memory of 832	428	JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe	89
PID 428 wrote to memory of 832	428	JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe	89
PID 428 wrote to memory of 832	428	JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe	89
PID 428 wrote to memory of 1576	428	JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe	92
PID 428 wrote to memory of 1576	428	JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe	92
PID 428 wrote to memory of 1576	428	JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe	92
PID 428 wrote to memory of 4956	428	JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe	94
PID 428 wrote to memory of 4956	428	JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe	94
PID 428 wrote to memory of 4956	428	JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe	94
PID 428 wrote to memory of 1352	428	JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe	97
PID 428 wrote to memory of 1352	428	JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe	97
PID 428 wrote to memory of 1352	428	JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe	97
PID 1712 wrote to memory of 4952	1712	dpkhonnb.exe	103
PID 1712 wrote to memory of 4952	1712	dpkhonnb.exe	103
PID 1712 wrote to memory of 4952	1712	dpkhonnb.exe	103
PID 1712 wrote to memory of 4952	1712	dpkhonnb.exe	103
PID 1712 wrote to memory of 4952	1712	dpkhonnb.exe	103

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:428
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tligvjiq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4516
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dpkhonnb.exe" C:\Windows\SysWOW64\tligvjiq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3712
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create tligvjiq binPath= "C:\Windows\SysWOW64\tligvjiq\dpkhonnb.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:832
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description tligvjiq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1576
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start tligvjiq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4956
- 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:1352
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 428 -s 1036
  2⤵
  - Program crash
  PID:4172

C:\Windows\SysWOW64\tligvjiq\dpkhonnb.exe
C:\Windows\SysWOW64\tligvjiq\dpkhonnb.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4464b306d676d84d4597682148ecfbcfb64eeb8516dcc24b447fb1ba42df847.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4952
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1712 -s 512
  2⤵
  - Program crash
  PID:2400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 428 -ip 428
1⤵
PID:4196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1712 -ip 1712
1⤵
PID:232

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\dpkhonnb.exe

Filesize
12.1MB

MD5
3f4c63776f26041be1be30b427baf0a4

SHA1
6cf1efa210ce40f349a8bd809f1522fc11c18551

SHA256
56bfe5b00deae68ba84116d4d8dcc13ec4e42d64a1b8180a042e3ed61e6999ed

SHA512
8f7d94711321b592659581d621e98e60bf14543e486b85bda36daa4d260a6dc0ba41dd9e614b201ef063b7dabb6bff1a47487f84635d4cb5e055fb9af7aed735

Download Submit
memory/428-8-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/428-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/428-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/428-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/428-9-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/428-1-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/1712-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1712-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1712-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1712-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4952-14-0x0000000000500000-0x0000000000515000-memory.dmp

Filesize
84KB

Download
memory/4952-16-0x0000000000500000-0x0000000000515000-memory.dmp

Filesize
84KB

Download
memory/4952-17-0x0000000000500000-0x0000000000515000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads