tofsee | 9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a

General

Target

JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe
Size

283KB
MD5

e195bfdd18f903b311011880ebc8137b
SHA1

afc1a2c5616ba8679044268f857b9a8b14515e88
SHA256

9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a
SHA512

53ab4df184d7809435ae72d43e77830ef01cd55d1b4a6ac86353eecf710f327ce9d782d61bae2a54e626ae3887e97e552561b6b110c87aab0ddd308101d65c38
SSDEEP

6144:1sIcItQ9Tbk38eWk/cN0x/US5IjoqcZdje6id:1sIcItQBb9eNcahDqAdje

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
1844	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\bxkmtrjz\ImagePath = "C:\\Windows\\SysWOW64\\bxkmtrjz\\fuhdpoht.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe

Deletes itself 1 IoCs

pid	Process
3888	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3532	fuhdpoht.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3532 set thread context of 3888	3532	fuhdpoht.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
4464	sc.exe
3440	sc.exe
1908	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
3400	1184	WerFault.exe	81
2248	3532	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fuhdpoht.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1184 wrote to memory of 4496	1184	JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe	82
PID 1184 wrote to memory of 4496	1184	JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe	82
PID 1184 wrote to memory of 4496	1184	JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe	82
PID 1184 wrote to memory of 2328	1184	JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe	84
PID 1184 wrote to memory of 2328	1184	JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe	84
PID 1184 wrote to memory of 2328	1184	JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe	84
PID 1184 wrote to memory of 4464	1184	JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe	86
PID 1184 wrote to memory of 4464	1184	JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe	86
PID 1184 wrote to memory of 4464	1184	JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe	86
PID 1184 wrote to memory of 3440	1184	JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe	88
PID 1184 wrote to memory of 3440	1184	JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe	88
PID 1184 wrote to memory of 3440	1184	JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe	88
PID 1184 wrote to memory of 1908	1184	JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe	90
PID 1184 wrote to memory of 1908	1184	JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe	90
PID 1184 wrote to memory of 1908	1184	JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe	90
PID 1184 wrote to memory of 1844	1184	JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe	93
PID 1184 wrote to memory of 1844	1184	JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe	93
PID 1184 wrote to memory of 1844	1184	JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe	93
PID 3532 wrote to memory of 3888	3532	fuhdpoht.exe	98
PID 3532 wrote to memory of 3888	3532	fuhdpoht.exe	98
PID 3532 wrote to memory of 3888	3532	fuhdpoht.exe	98
PID 3532 wrote to memory of 3888	3532	fuhdpoht.exe	98
PID 3532 wrote to memory of 3888	3532	fuhdpoht.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bxkmtrjz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4496
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fuhdpoht.exe" C:\Windows\SysWOW64\bxkmtrjz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2328
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create bxkmtrjz binPath= "C:\Windows\SysWOW64\bxkmtrjz\fuhdpoht.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4464
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description bxkmtrjz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3440
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start bxkmtrjz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1908
- 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:1844
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 1036
  2⤵
  - Program crash
  PID:3400

C:\Windows\SysWOW64\bxkmtrjz\fuhdpoht.exe
C:\Windows\SysWOW64\bxkmtrjz\fuhdpoht.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cec2ebe9b47146dde04ddcb8f3b5fdf06c37dd715b8e49c0d3c9e41936c3a1a.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3532
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3888
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3532 -s 512
  2⤵
  - Program crash
  PID:2248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1184 -ip 1184
1⤵
PID:2540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3532 -ip 3532
1⤵
PID:1400

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\fuhdpoht.exe

Filesize
10.7MB

MD5
c356b745baa6fa7d93b99d24c82fdf88

SHA1
63fdc38ccd1a428766ebabfb2247290c7a330f1b

SHA256
980918455b1adf41bafcf3be843cbb46ec3ce672cee9786e6bbaf9965487d641

SHA512
4cc9e989197ca0511a194dae2e6d5db3ffb1e94b035a506f49435aaad8f35d2c3d2405afd4edd7f3f8be36ac4035f09b39c70883ebd3b685caffab3df0d3f03a

Download Submit
memory/1184-1-0x0000000002EE0000-0x0000000002FE0000-memory.dmp

Filesize
1024KB

Download
memory/1184-2-0x0000000002CA0000-0x0000000002CB3000-memory.dmp

Filesize
76KB

Download
memory/1184-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1184-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1184-9-0x0000000002CA0000-0x0000000002CB3000-memory.dmp

Filesize
76KB

Download
memory/1184-8-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download
memory/3532-15-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download
memory/3888-11-0x0000000000750000-0x0000000000765000-memory.dmp

Filesize
84KB

Download
memory/3888-13-0x0000000000750000-0x0000000000765000-memory.dmp

Filesize
84KB

Download
memory/3888-14-0x0000000000750000-0x0000000000765000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads