tofsee | 932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0

General

Target

JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe
Size

334KB
MD5

db961867695b25febb937fcf6b3595eb
SHA1

583659154883a51674224ffec8cfb9df68fac90b
SHA256

932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0
SHA512

f19079147170f3615bd67724b1a179a2c0eb259ca9343990573bdf54226548f611136228bc989d793c91a16bc637665663869037a24277cb361c7087bcafbf40
SSDEEP

6144:PrqoF5nyBcVI7ivrWNjDyYegF90xu2VqUGN1k6ELv1rXV:VnPprWhDyY7F9Mu2Vqfwr

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

mubrikych.top

oxxyfix.xyz

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
3500	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\njzlhtdg\ImagePath = "C:\\Windows\\SysWOW64\\njzlhtdg\\blzqtgds.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_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe

Deletes itself 1 IoCs

pid	Process
4920	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
684	blzqtgds.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 684 set thread context of 4920	684	blzqtgds.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
3964	sc.exe
1852	sc.exe
4940	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
1052	2356	WerFault.exe	81
2460	684	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	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.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	cmd.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	blzqtgds.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 316	2356	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	82
PID 2356 wrote to memory of 316	2356	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	82
PID 2356 wrote to memory of 316	2356	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	82
PID 2356 wrote to memory of 2228	2356	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	84
PID 2356 wrote to memory of 2228	2356	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	84
PID 2356 wrote to memory of 2228	2356	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	84
PID 2356 wrote to memory of 3964	2356	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	86
PID 2356 wrote to memory of 3964	2356	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	86
PID 2356 wrote to memory of 3964	2356	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	86
PID 2356 wrote to memory of 1852	2356	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	88
PID 2356 wrote to memory of 1852	2356	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	88
PID 2356 wrote to memory of 1852	2356	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	88
PID 2356 wrote to memory of 4940	2356	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	90
PID 2356 wrote to memory of 4940	2356	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	90
PID 2356 wrote to memory of 4940	2356	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	90
PID 2356 wrote to memory of 3500	2356	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	93
PID 2356 wrote to memory of 3500	2356	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	93
PID 2356 wrote to memory of 3500	2356	JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe	93
PID 684 wrote to memory of 4920	684	blzqtgds.exe	100
PID 684 wrote to memory of 4920	684	blzqtgds.exe	100
PID 684 wrote to memory of 4920	684	blzqtgds.exe	100
PID 684 wrote to memory of 4920	684	blzqtgds.exe	100
PID 684 wrote to memory of 4920	684	blzqtgds.exe	100

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\njzlhtdg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:316
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\blzqtgds.exe" C:\Windows\SysWOW64\njzlhtdg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2228
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create njzlhtdg binPath= "C:\Windows\SysWOW64\njzlhtdg\blzqtgds.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3964
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description njzlhtdg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1852
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start njzlhtdg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4940
- 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:3500
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 660
  2⤵
  - Program crash
  PID:1052

C:\Windows\SysWOW64\njzlhtdg\blzqtgds.exe
C:\Windows\SysWOW64\njzlhtdg\blzqtgds.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_932ba2f5b02919626625a80b1853c40b664c5e19aa5a43dbaf4825e6ff84d8a0.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:684
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4920
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 684 -s 532
  2⤵
  - Program crash
  PID:2460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2356 -ip 2356
1⤵
PID:2188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 684 -ip 684
1⤵
PID:544

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\blzqtgds.exe

Filesize
14.2MB

MD5
e7c309bf6b4a78ac8724c6e598e28283

SHA1
c461625ce96c7f40ab6daca8f7b0967c274b1c9c

SHA256
a956d50b3d63cc9e2ddd74a3e3e4f277ce2a7c179d46ab743cd20b2aace586fc

SHA512
1ec3d2a69f9cdf43d7b2188bd9d9e988ff3ea05a145d709809f3329d93d800d71f99c1e206cc0d84ec802dc595d71c6b458ea17028694fd2e13fd58cf0eef138

Download Submit
memory/684-13-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/684-11-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/684-12-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/684-18-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2356-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2356-2-0x0000000000780000-0x0000000000793000-memory.dmp

Filesize
76KB

Download
memory/2356-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2356-8-0x0000000000780000-0x0000000000793000-memory.dmp

Filesize
76KB

Download
memory/2356-7-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2356-1-0x00000000007A0000-0x00000000008A0000-memory.dmp

Filesize
1024KB

Download
memory/4920-14-0x0000000000410000-0x0000000000425000-memory.dmp

Filesize
84KB

Download
memory/4920-16-0x0000000000410000-0x0000000000425000-memory.dmp

Filesize
84KB

Download
memory/4920-17-0x0000000000410000-0x0000000000425000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads