tofsee | 96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578

General

Target

JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe
Size

231KB
MD5

105c2e0dafa26bacf0a958901e420c89
SHA1

48dc877df04c59953e3388b5938902556fd24f7e
SHA256

96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578
SHA512

496f0963ab04fbf2069e56dbe583264fb0a71cc5834e2842def04ce34576d4cbc6167807b33ac489718e0cb008ba640fee31fd392f36296c938960c0a9e109ca
SSDEEP

3072:nMgHkJMJcgKgsARWc+bPd45qVggjcGkNIVqIOYOgpd6:QtgbLsd97ITsqEx

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

patmushta.info

ovicrush.cn

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
3920	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\plehgoxg\ImagePath = "C:\\Windows\\SysWOW64\\plehgoxg\\ejedbfxw.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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe

Deletes itself 1 IoCs

pid	Process
4828	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3684	ejedbfxw.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3684 set thread context of 4828	3684	ejedbfxw.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
400	sc.exe
4004	sc.exe
4040	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
376	3184	WerFault.exe	82
4628	3684	WerFault.exe	93

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ejedbfxw.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3184 wrote to memory of 1636	3184	JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe	83
PID 3184 wrote to memory of 1636	3184	JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe	83
PID 3184 wrote to memory of 1636	3184	JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe	83
PID 3184 wrote to memory of 4504	3184	JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe	85
PID 3184 wrote to memory of 4504	3184	JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe	85
PID 3184 wrote to memory of 4504	3184	JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe	85
PID 3184 wrote to memory of 4040	3184	JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe	87
PID 3184 wrote to memory of 4040	3184	JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe	87
PID 3184 wrote to memory of 4040	3184	JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe	87
PID 3184 wrote to memory of 400	3184	JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe	89
PID 3184 wrote to memory of 400	3184	JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe	89
PID 3184 wrote to memory of 400	3184	JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe	89
PID 3184 wrote to memory of 4004	3184	JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe	91
PID 3184 wrote to memory of 4004	3184	JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe	91
PID 3184 wrote to memory of 4004	3184	JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe	91
PID 3184 wrote to memory of 3920	3184	JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe	94
PID 3184 wrote to memory of 3920	3184	JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe	94
PID 3184 wrote to memory of 3920	3184	JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe	94
PID 3684 wrote to memory of 4828	3684	ejedbfxw.exe	100
PID 3684 wrote to memory of 4828	3684	ejedbfxw.exe	100
PID 3684 wrote to memory of 4828	3684	ejedbfxw.exe	100
PID 3684 wrote to memory of 4828	3684	ejedbfxw.exe	100
PID 3684 wrote to memory of 4828	3684	ejedbfxw.exe	100

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3184
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\plehgoxg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1636
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ejedbfxw.exe" C:\Windows\SysWOW64\plehgoxg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4504
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create plehgoxg binPath= "C:\Windows\SysWOW64\plehgoxg\ejedbfxw.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4040
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description plehgoxg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:400
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start plehgoxg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4004
- 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:3920
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3184 -s 804
  2⤵
  - Program crash
  PID:376

C:\Windows\SysWOW64\plehgoxg\ejedbfxw.exe
C:\Windows\SysWOW64\plehgoxg\ejedbfxw.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_96f70941d15512c53180a853bdbc70ef8481e31ef7257f8710b9b46b311a2578.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3684
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4828
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3684 -s 528
  2⤵
  - Program crash
  PID:4628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3184 -ip 3184
1⤵
PID:1832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3684 -ip 3684
1⤵
PID:4100

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\ejedbfxw.exe

Filesize
13.8MB

MD5
a70c806410b7df56075b15baf91debae

SHA1
e72e22e272c4b097bf4176e28c417a35b8847d78

SHA256
179ecbc5baa8833d98af9e3cf2eba3261b686669961d9ed1dfebf3634085e5bf

SHA512
85195fd2de7c806eab417ccb9be977981d7216217fad44be1e859d82e22e869b4cbc325c1e8361a620a6a813cfdb471974c8721723522138886fecd0439409b6

Download Submit
memory/3184-7-0x00000000023A0000-0x00000000023AD000-memory.dmp

Filesize
52KB

Download
memory/3184-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3184-1-0x00000000023D0000-0x00000000023E3000-memory.dmp

Filesize
76KB

Download
memory/3184-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3184-8-0x00000000023D0000-0x00000000023E3000-memory.dmp

Filesize
76KB

Download
memory/3184-0-0x00000000023A0000-0x00000000023AD000-memory.dmp

Filesize
52KB

Download
memory/3184-6-0x0000000000400000-0x0000000000652000-memory.dmp

Filesize
2.3MB

Download
memory/3684-11-0x0000000000400000-0x0000000000652000-memory.dmp

Filesize
2.3MB

Download
memory/3684-10-0x0000000000400000-0x0000000000652000-memory.dmp

Filesize
2.3MB

Download
memory/3684-17-0x0000000000400000-0x0000000000652000-memory.dmp

Filesize
2.3MB

Download
memory/4828-12-0x0000000000F50000-0x0000000000F65000-memory.dmp

Filesize
84KB

Download
memory/4828-14-0x0000000000F50000-0x0000000000F65000-memory.dmp

Filesize
84KB

Download
memory/4828-15-0x0000000000F50000-0x0000000000F65000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads