tofsee | 0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef

General

Target

JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe
Size

279KB
MD5

cf7ce504dad8acc06ddec7feefe9b780
SHA1

3961d09dfec70d06a7040ae34af3e7fbad49e861
SHA256

0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef
SHA512

a977035e76f81c5171ec388f2e3b36dfa855c7e223768e9e0292d702fa32ea272813fe7b8ab9633258f38364ad053611fc84e391ec5261ad8c880052e6ea15ac
SSDEEP

3072:TR3iuqyNHlWwCbk2KJikfHno9UW0z0gY6nXBBQWvbvPQiaDhxxMeetkkrsC9wi+t:TR3iurobQ5/nagY6RROhxxpeTr/ekI

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
2488	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\rrsyyhog\ImagePath = "C:\\Windows\\SysWOW64\\rrsyyhog\\jqtrssiw.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe

Executes dropped EXE 1 IoCs

pid	Process
1100	jqtrssiw.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1100 set thread context of 212	1100	jqtrssiw.exe	95

Launches sc.exe 3 IoCs

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

pid	Process
3064	sc.exe
3696	sc.exe
1104	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

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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jqtrssiw.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 4168	2368	JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe	82
PID 2368 wrote to memory of 4168	2368	JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe	82
PID 2368 wrote to memory of 4168	2368	JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe	82
PID 2368 wrote to memory of 3552	2368	JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe	84
PID 2368 wrote to memory of 3552	2368	JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe	84
PID 2368 wrote to memory of 3552	2368	JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe	84
PID 2368 wrote to memory of 3064	2368	JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe	86
PID 2368 wrote to memory of 3064	2368	JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe	86
PID 2368 wrote to memory of 3064	2368	JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe	86
PID 2368 wrote to memory of 3696	2368	JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe	88
PID 2368 wrote to memory of 3696	2368	JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe	88
PID 2368 wrote to memory of 3696	2368	JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe	88
PID 2368 wrote to memory of 1104	2368	JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe	90
PID 2368 wrote to memory of 1104	2368	JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe	90
PID 2368 wrote to memory of 1104	2368	JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe	90
PID 2368 wrote to memory of 2488	2368	JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe	93
PID 2368 wrote to memory of 2488	2368	JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe	93
PID 2368 wrote to memory of 2488	2368	JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe	93
PID 1100 wrote to memory of 212	1100	jqtrssiw.exe	95
PID 1100 wrote to memory of 212	1100	jqtrssiw.exe	95
PID 1100 wrote to memory of 212	1100	jqtrssiw.exe	95
PID 1100 wrote to memory of 212	1100	jqtrssiw.exe	95
PID 1100 wrote to memory of 212	1100	jqtrssiw.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rrsyyhog\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4168
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jqtrssiw.exe" C:\Windows\SysWOW64\rrsyyhog\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3552
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create rrsyyhog binPath= "C:\Windows\SysWOW64\rrsyyhog\jqtrssiw.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3064
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description rrsyyhog "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3696
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start rrsyyhog
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1104
- 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:2488

C:\Windows\SysWOW64\rrsyyhog\jqtrssiw.exe
C:\Windows\SysWOW64\rrsyyhog\jqtrssiw.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0c0fe113bd27270861f7d4184f477bf191c9aa465dde1453c99f95e8277f80ef.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - System Location Discovery: System Language Discovery
  PID:212

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\jqtrssiw.exe

Filesize
12.5MB

MD5
8d7070d757e2377df3e478aac71d1b7e

SHA1
42dd8ce3ead78f762e114f6fc6911db2ade55869

SHA256
393cfffd5affc190a1c4cc05415982e8ff7ccc4b5ff6fc86f0c058f8b3b6d350

SHA512
52431adaa6f9e3765200907ed24c1494393cf945a9e5e94a2a9c1460ec8a14e791a2af38bfffd8180187be26d7069f67b9c8b29d72408fa0938403e16cb377a9

Download Submit
memory/212-21-0x00000000010A0000-0x00000000010B5000-memory.dmp

Filesize
84KB

Download
memory/212-12-0x00000000010A0000-0x00000000010B5000-memory.dmp

Filesize
84KB

Download
memory/212-20-0x00000000010A0000-0x00000000010B5000-memory.dmp

Filesize
84KB

Download
memory/1100-25-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1100-26-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1100-8-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1100-9-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1100-11-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1100-23-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1100-18-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1100-19-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1100-17-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2368-10-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/2368-27-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2368-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2368-14-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2368-22-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2368-1-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/2368-24-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2368-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2368-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2368-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2368-28-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2368-29-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2368-30-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2368-31-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2368-32-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2368-33-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2368-34-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2368-35-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2368-36-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2368-37-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads