tofsee | b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a

General

Target

JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe
Size

286KB
MD5

1d87d89e5cae2758142307159dbf0143
SHA1

95b7ae740629243758df38329095fda6ddc1b177
SHA256

b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a
SHA512

7c255ec726cbd512beb7e782da4a6e420f73f73040df5b73120d394f43b9672e9ddfdc7fb4ac6cb870beeca2283d21db4cc51ee04b5634452454eda2689dbe03
SSDEEP

6144:WYsfbwgLpgn+TfdkHXV8fskJjWwSzpOe:WTDwgpjLdaFcSd9

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
3160	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\dpqsionw\ImagePath = "C:\\Windows\\SysWOW64\\dpqsionw\\zgjhiiym.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe

Deletes itself 1 IoCs

pid	Process
3676	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1936	zgjhiiym.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1936 set thread context of 3676	1936	zgjhiiym.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
4276	sc.exe
3272	sc.exe
3532	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
3216	4804	WerFault.exe	82
4324	1936	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	svchost.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	cmd.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	zgjhiiym.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 612	4804	JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe	83
PID 4804 wrote to memory of 612	4804	JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe	83
PID 4804 wrote to memory of 612	4804	JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe	83
PID 4804 wrote to memory of 3292	4804	JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe	85
PID 4804 wrote to memory of 3292	4804	JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe	85
PID 4804 wrote to memory of 3292	4804	JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe	85
PID 4804 wrote to memory of 3532	4804	JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe	87
PID 4804 wrote to memory of 3532	4804	JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe	87
PID 4804 wrote to memory of 3532	4804	JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe	87
PID 4804 wrote to memory of 4276	4804	JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe	89
PID 4804 wrote to memory of 4276	4804	JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe	89
PID 4804 wrote to memory of 4276	4804	JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe	89
PID 4804 wrote to memory of 3272	4804	JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe	92
PID 4804 wrote to memory of 3272	4804	JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe	92
PID 4804 wrote to memory of 3272	4804	JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe	92
PID 4804 wrote to memory of 3160	4804	JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe	95
PID 4804 wrote to memory of 3160	4804	JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe	95
PID 4804 wrote to memory of 3160	4804	JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe	95
PID 1936 wrote to memory of 3676	1936	zgjhiiym.exe	101
PID 1936 wrote to memory of 3676	1936	zgjhiiym.exe	101
PID 1936 wrote to memory of 3676	1936	zgjhiiym.exe	101
PID 1936 wrote to memory of 3676	1936	zgjhiiym.exe	101
PID 1936 wrote to memory of 3676	1936	zgjhiiym.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dpqsionw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:612
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zgjhiiym.exe" C:\Windows\SysWOW64\dpqsionw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3292
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dpqsionw binPath= "C:\Windows\SysWOW64\dpqsionw\zgjhiiym.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3532
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dpqsionw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4276
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dpqsionw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3272
- 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:3160
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 1152
  2⤵
  - Program crash
  PID:3216

C:\Windows\SysWOW64\dpqsionw\zgjhiiym.exe
C:\Windows\SysWOW64\dpqsionw\zgjhiiym.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3676
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 516
  2⤵
  - Program crash
  PID:4324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4804 -ip 4804
1⤵
PID:3000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1936 -ip 1936
1⤵
PID:3952

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\zgjhiiym.exe

Filesize
11.4MB

MD5
bd53f869142b005752dc7c7c5cb79500

SHA1
8f223d6b3406470259eab772c3839ff5ab0c374b

SHA256
a7b0d8974c399bf3a321afbf4d1d2b7fe13cd1b1d3bd8042f1bac6a2aa93b4c1

SHA512
06e79fc761ca5b235c2c7b693a2facb54fd78ad2c58e4a7b581687e8dadc84c4663e04ffa80e4aee92f8b1598f1be86b8c90ffd0319af3bd838efe817b294b3d

Download Submit
memory/1936-15-0x0000000000400000-0x0000000002B91000-memory.dmp

Filesize
39.6MB

Download
memory/3676-11-0x0000000001100000-0x0000000001115000-memory.dmp

Filesize
84KB

Download
memory/3676-13-0x0000000001100000-0x0000000001115000-memory.dmp

Filesize
84KB

Download
memory/3676-14-0x0000000001100000-0x0000000001115000-memory.dmp

Filesize
84KB

Download
memory/4804-1-0x0000000002EB0000-0x0000000002FB0000-memory.dmp

Filesize
1024KB

Download
memory/4804-2-0x0000000002E40000-0x0000000002E53000-memory.dmp

Filesize
76KB

Download
memory/4804-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4804-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4804-9-0x0000000002E40000-0x0000000002E53000-memory.dmp

Filesize
76KB

Download
memory/4804-8-0x0000000000400000-0x0000000002B91000-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