tofsee | d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4

General

Target

JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe
Size

238KB
MD5

a35144bc26a7d80d9f1ccc75717c4feb
SHA1

f88f2374ddddd4036a0c149ee3d4631912ac367a
SHA256

d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4
SHA512

b99b7d9b6dff84c61f300c18f30e9c1bf97f1cba022717c67b75f7961ed847f6413138ddc3590376f10e2a92f19b0f5793af1e47a89ef897940358ec01fac657
SSDEEP

3072:57QHNeYxb1NOLvV0hroldaFG98PS6XABIWhVggjcGkNIVqI7sxkgaBChMpZa9uDB:sNeWb3wv2pFG8vABNz7ITsq7igavwVf

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

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
4248	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\mbtakbqf\ImagePath = "C:\\Windows\\SysWOW64\\mbtakbqf\\jonlbhqf.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe

Deletes itself 1 IoCs

pid	Process
3920	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
528	jonlbhqf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 528 set thread context of 3920	528	jonlbhqf.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
2708	sc.exe
452	sc.exe
4476	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
888	2904	WerFault.exe	83
2508	528	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	JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.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	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	jonlbhqf.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2292	2904	JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe	84
PID 2904 wrote to memory of 2292	2904	JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe	84
PID 2904 wrote to memory of 2292	2904	JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe	84
PID 2904 wrote to memory of 4540	2904	JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe	86
PID 2904 wrote to memory of 4540	2904	JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe	86
PID 2904 wrote to memory of 4540	2904	JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe	86
PID 2904 wrote to memory of 4476	2904	JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe	88
PID 2904 wrote to memory of 4476	2904	JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe	88
PID 2904 wrote to memory of 4476	2904	JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe	88
PID 2904 wrote to memory of 2708	2904	JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe	90
PID 2904 wrote to memory of 2708	2904	JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe	90
PID 2904 wrote to memory of 2708	2904	JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe	90
PID 2904 wrote to memory of 452	2904	JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe	92
PID 2904 wrote to memory of 452	2904	JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe	92
PID 2904 wrote to memory of 452	2904	JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe	92
PID 2904 wrote to memory of 4248	2904	JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe	95
PID 2904 wrote to memory of 4248	2904	JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe	95
PID 2904 wrote to memory of 4248	2904	JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe	95
PID 528 wrote to memory of 3920	528	jonlbhqf.exe	100
PID 528 wrote to memory of 3920	528	jonlbhqf.exe	100
PID 528 wrote to memory of 3920	528	jonlbhqf.exe	100
PID 528 wrote to memory of 3920	528	jonlbhqf.exe	100
PID 528 wrote to memory of 3920	528	jonlbhqf.exe	100

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mbtakbqf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2292
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jonlbhqf.exe" C:\Windows\SysWOW64\mbtakbqf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4540
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mbtakbqf binPath= "C:\Windows\SysWOW64\mbtakbqf\jonlbhqf.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4476
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mbtakbqf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2708
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mbtakbqf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:452
- 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:4248
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 1208
  2⤵
  - Program crash
  PID:888

C:\Windows\SysWOW64\mbtakbqf\jonlbhqf.exe
C:\Windows\SysWOW64\mbtakbqf\jonlbhqf.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d5ba04399baeda12b636b25ff28bb2a3fed82e8fa25e9a2683240685405ebfb4.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:528
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3920
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 528 -s 512
  2⤵
  - Program crash
  PID:2508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2904 -ip 2904
1⤵
PID:4080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 528 -ip 528
1⤵
PID:4344

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\jonlbhqf.exe

Filesize
13.2MB

MD5
c384f63dc46854ba016571a7bdb127ae

SHA1
5b462582eebba47955b9a10a88e4f1a55c017428

SHA256
050947bc9b8ab7aaefc55449bdcc881f7f982ad8df84f3c6fb00eee82f5fc7ea

SHA512
df020947b45452b66af05eddf731a7fa933c25f1bfb4d2efbe248332d0345a7520b70363797c0b8490cef8ec1bf25c93fb249a1ee833e091e4560e091b5f844a

Download Submit
memory/528-11-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/528-10-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/528-17-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/528-12-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2904-8-0x00000000021A0000-0x00000000021B3000-memory.dmp

Filesize
76KB

Download
memory/2904-7-0x0000000002190000-0x000000000219D000-memory.dmp

Filesize
52KB

Download
memory/2904-6-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2904-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2904-0-0x0000000002190000-0x000000000219D000-memory.dmp

Filesize
52KB

Download
memory/2904-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2904-1-0x00000000021A0000-0x00000000021B3000-memory.dmp

Filesize
76KB

Download
memory/3920-13-0x00000000001D0000-0x00000000001E5000-memory.dmp

Filesize
84KB

Download
memory/3920-15-0x00000000001D0000-0x00000000001E5000-memory.dmp

Filesize
84KB

Download
memory/3920-16-0x00000000001D0000-0x00000000001E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads