tofsee | d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee

General

Target

JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe
Size

236KB
MD5

d56c8d55c3de102b93d2de0977675269
SHA1

47fc8dc61ec75e3fbec90df6f1260382a7d6a4c1
SHA256

d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee
SHA512

70561bacffc5bf31e0201d4180053f2be081093f89061a3daac0bd8110bfd59b1cf1f5b1204997b3bbceb032f59a151138377203912355c423e424fd8e35091d
SSDEEP

6144:x4Gu7W6nYZOlOH7OxP80PtqJLr9tamsUKPfRYw:xv3YYslOGP80PtqJLr9CvZYw

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
4584	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\hixvegof\ImagePath = "C:\\Windows\\SysWOW64\\hixvegof\\frmjqppd.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe

Deletes itself 1 IoCs

pid	Process
1904	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2288	frmjqppd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2288 set thread context of 1904	2288	frmjqppd.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
1148	sc.exe
816	sc.exe
2352	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 4 IoCs

pid	pid_target	Process	procid_target
1636	4968	WerFault.exe	81
1032	4968	WerFault.exe	81
3944	2288	WerFault.exe	92
4592	2288	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_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	frmjqppd.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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 4364	4968	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	82
PID 4968 wrote to memory of 4364	4968	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	82
PID 4968 wrote to memory of 4364	4968	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	82
PID 4968 wrote to memory of 5028	4968	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	84
PID 4968 wrote to memory of 5028	4968	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	84
PID 4968 wrote to memory of 5028	4968	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	84
PID 4968 wrote to memory of 1148	4968	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	86
PID 4968 wrote to memory of 1148	4968	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	86
PID 4968 wrote to memory of 1148	4968	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	86
PID 4968 wrote to memory of 816	4968	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	88
PID 4968 wrote to memory of 816	4968	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	88
PID 4968 wrote to memory of 816	4968	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	88
PID 4968 wrote to memory of 2352	4968	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	90
PID 4968 wrote to memory of 2352	4968	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	90
PID 4968 wrote to memory of 2352	4968	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	90
PID 4968 wrote to memory of 4584	4968	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	93
PID 4968 wrote to memory of 4584	4968	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	93
PID 4968 wrote to memory of 4584	4968	JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe	93
PID 2288 wrote to memory of 1904	2288	frmjqppd.exe	100
PID 2288 wrote to memory of 1904	2288	frmjqppd.exe	100
PID 2288 wrote to memory of 1904	2288	frmjqppd.exe	100
PID 2288 wrote to memory of 1904	2288	frmjqppd.exe	100
PID 2288 wrote to memory of 1904	2288	frmjqppd.exe	100

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4968
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hixvegof\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4364
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\frmjqppd.exe" C:\Windows\SysWOW64\hixvegof\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5028
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hixvegof binPath= "C:\Windows\SysWOW64\hixvegof\frmjqppd.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1148
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hixvegof "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:816
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hixvegof
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2352
- 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:4584
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4968 -s 792
  2⤵
  - Program crash
  PID:1636
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4968 -s 644
  2⤵
  - Program crash
  PID:1032

C:\Windows\SysWOW64\hixvegof\frmjqppd.exe
C:\Windows\SysWOW64\hixvegof\frmjqppd.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d3d822be312737cc70fbc680cc2bdb7806846b8fe74df7f5cb8c4720cc332cee.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 512
  2⤵
  - Program crash
  PID:3944
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 564
  2⤵
  - Program crash
  PID:4592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4968 -ip 4968
1⤵
PID:4660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4968 -ip 4968
1⤵
PID:1152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2288 -ip 2288
1⤵
PID:2720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2288 -ip 2288
1⤵
PID:2304

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\frmjqppd.exe

Filesize
12.4MB

MD5
781fd29a39032cffc8d1a6daec343433

SHA1
29c35bc1aa0ffb08cb1a4c5c0248d9d347b6feee

SHA256
5ca9e472a590ad5b36756cbfe458216e69bd0aa5cfc5b8c675a9132f46a50137

SHA512
f59b95d3e0d02b032373035f732845a7dc581ab09828dc534540889562088c0bf328209ff63494aafdf0f02065687f8c4cb670d003cc15b0142b7b9e0f59e5dd

Download Submit
memory/1904-12-0x00000000004A0000-0x00000000004B5000-memory.dmp

Filesize
84KB

Download
memory/1904-14-0x00000000004A0000-0x00000000004B5000-memory.dmp

Filesize
84KB

Download
memory/1904-16-0x00000000004A0000-0x00000000004B5000-memory.dmp

Filesize
84KB

Download
memory/2288-11-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/2288-15-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/4968-1-0x00000000009A0000-0x0000000000AA0000-memory.dmp

Filesize
1024KB

Download
memory/4968-2-0x00000000008A0000-0x00000000008B3000-memory.dmp

Filesize
76KB

Download
memory/4968-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4968-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4968-9-0x00000000008A0000-0x00000000008B3000-memory.dmp

Filesize
76KB

Download
memory/4968-8-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads