tofsee | f58398f5c6ac87ce8bce4f21bda2ef0a74007d18a9f630703071504503166f0e

General

Target

JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe
Size

13.7MB
MD5

10b4687aa42e274c8cf61d57d9933fb7
SHA1

b263e17a45590b21cc53599d4d6838222d266b44
SHA256

f58398f5c6ac87ce8bce4f21bda2ef0a74007d18a9f630703071504503166f0e
SHA512

b3b2c3bd3e0c9917fb928bbb4600ebe677543c38b2961618f4c8f67908e649a03fbda4a06164697a8a7f18d197cceaef54cec6517e3bddfec7a9b44e9eb63bfa
SSDEEP

98304:4EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE0:

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
5060	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\hweaugla\ImagePath = "C:\\Windows\\SysWOW64\\hweaugla\\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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe

Deletes itself 1 IoCs

pid	Process
2260	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3288	frmjqppd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3288 set thread context of 2260	3288	frmjqppd.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
3936	sc.exe
4864	sc.exe
1608	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3204	4308	WerFault.exe	82
2172	3288	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	frmjqppd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4308 wrote to memory of 4544	4308	JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe	83
PID 4308 wrote to memory of 4544	4308	JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe	83
PID 4308 wrote to memory of 4544	4308	JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe	83
PID 4308 wrote to memory of 4476	4308	JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe	85
PID 4308 wrote to memory of 4476	4308	JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe	85
PID 4308 wrote to memory of 4476	4308	JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe	85
PID 4308 wrote to memory of 3936	4308	JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe	88
PID 4308 wrote to memory of 3936	4308	JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe	88
PID 4308 wrote to memory of 3936	4308	JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe	88
PID 4308 wrote to memory of 4864	4308	JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe	90
PID 4308 wrote to memory of 4864	4308	JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe	90
PID 4308 wrote to memory of 4864	4308	JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe	90
PID 4308 wrote to memory of 1608	4308	JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe	92
PID 4308 wrote to memory of 1608	4308	JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe	92
PID 4308 wrote to memory of 1608	4308	JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe	92
PID 4308 wrote to memory of 5060	4308	JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe	95
PID 4308 wrote to memory of 5060	4308	JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe	95
PID 4308 wrote to memory of 5060	4308	JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe	95
PID 3288 wrote to memory of 2260	3288	frmjqppd.exe	101
PID 3288 wrote to memory of 2260	3288	frmjqppd.exe	101
PID 3288 wrote to memory of 2260	3288	frmjqppd.exe	101
PID 3288 wrote to memory of 2260	3288	frmjqppd.exe	101
PID 3288 wrote to memory of 2260	3288	frmjqppd.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4308
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hweaugla\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4544
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\frmjqppd.exe" C:\Windows\SysWOW64\hweaugla\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4476
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hweaugla binPath= "C:\Windows\SysWOW64\hweaugla\frmjqppd.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3936
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hweaugla "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4864
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hweaugla
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1608
- 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:5060
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4308 -s 652
  2⤵
  - Program crash
  PID:3204

C:\Windows\SysWOW64\hweaugla\frmjqppd.exe
C:\Windows\SysWOW64\hweaugla\frmjqppd.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_10b4687aa42e274c8cf61d57d9933fb7.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3288
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2260
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3288 -s 508
  2⤵
  - Program crash
  PID:2172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4308 -ip 4308
1⤵
PID:4564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3288 -ip 3288
1⤵
PID:1580

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
12.8MB

MD5
5ce5a7117246c8be2168a33b610542d2

SHA1
8b2fe233aef46d90e94d423f383806741e9e67eb

SHA256
cf47893cd22837e04dacf4dfebb26748e96ccc636470b4bdf63da5cf4cfdb715

SHA512
7207d517d2d5c15a867e8bd6145ae4657514dd6c989b54e26df05606f1f9b6f8557cb38bbe483e1c65a9f90c9f249c34d728db6e25a703a0c99b88daac1a2aea

Download Submit
memory/2260-14-0x00000000009C0000-0x00000000009D5000-memory.dmp

Filesize
84KB

Download
memory/2260-17-0x00000000009C0000-0x00000000009D5000-memory.dmp

Filesize
84KB

Download
memory/2260-16-0x00000000009C0000-0x00000000009D5000-memory.dmp

Filesize
84KB

Download
memory/3288-13-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3288-12-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3288-11-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3288-18-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/4308-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4308-9-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/4308-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/4308-8-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/4308-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4308-1-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads