tofsee | 9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f

General

Target

JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe
Size

236KB
MD5

a10cfebcac6052f54fae1e5ba6ddd760
SHA1

dac2ac4b67ba2b0ef2e02afd2740d11d492b7415
SHA256

9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f
SHA512

2fba121bfa8bc842103e6616a7305928664b6cae03b65ca5849dc1dbfa3e10ff2b8b733ea15bec8df74addf97a87a31a067e2f8c393532523e01e1c24273aca4
SSDEEP

6144:CLQdlDKqaGPkALoMQIOuzbgwujigaLwVf:CLQd1KqaOkw8IOunnb

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
1936	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\sgvcvqgh\ImagePath = "C:\\Windows\\SysWOW64\\sgvcvqgh\\rtncyuqh.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe

Deletes itself 1 IoCs

pid	Process
5000	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3524	rtncyuqh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3524 set thread context of 5000	3524	rtncyuqh.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
4548	sc.exe
1756	sc.exe
4752	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
3440	2372	WerFault.exe	82
840	3524	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rtncyuqh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2872	2372	JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe	83
PID 2372 wrote to memory of 2872	2372	JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe	83
PID 2372 wrote to memory of 2872	2372	JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe	83
PID 2372 wrote to memory of 1332	2372	JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe	85
PID 2372 wrote to memory of 1332	2372	JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe	85
PID 2372 wrote to memory of 1332	2372	JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe	85
PID 2372 wrote to memory of 4548	2372	JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe	87
PID 2372 wrote to memory of 4548	2372	JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe	87
PID 2372 wrote to memory of 4548	2372	JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe	87
PID 2372 wrote to memory of 1756	2372	JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe	89
PID 2372 wrote to memory of 1756	2372	JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe	89
PID 2372 wrote to memory of 1756	2372	JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe	89
PID 2372 wrote to memory of 4752	2372	JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe	92
PID 2372 wrote to memory of 4752	2372	JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe	92
PID 2372 wrote to memory of 4752	2372	JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe	92
PID 2372 wrote to memory of 1936	2372	JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe	95
PID 2372 wrote to memory of 1936	2372	JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe	95
PID 2372 wrote to memory of 1936	2372	JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe	95
PID 3524 wrote to memory of 5000	3524	rtncyuqh.exe	101
PID 3524 wrote to memory of 5000	3524	rtncyuqh.exe	101
PID 3524 wrote to memory of 5000	3524	rtncyuqh.exe	101
PID 3524 wrote to memory of 5000	3524	rtncyuqh.exe	101
PID 3524 wrote to memory of 5000	3524	rtncyuqh.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\sgvcvqgh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2872
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rtncyuqh.exe" C:\Windows\SysWOW64\sgvcvqgh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1332
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create sgvcvqgh binPath= "C:\Windows\SysWOW64\sgvcvqgh\rtncyuqh.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4548
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description sgvcvqgh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1756
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start sgvcvqgh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4752
- 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:1936
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1040
  2⤵
  - Program crash
  PID:3440

C:\Windows\SysWOW64\sgvcvqgh\rtncyuqh.exe
C:\Windows\SysWOW64\sgvcvqgh\rtncyuqh.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9be48fcae3b5f4502ad08eb6ae634a21c40182308ce1a43fb8702443ff58889f.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3524
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:5000
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3524 -s 532
  2⤵
  - Program crash
  PID:840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2372 -ip 2372
1⤵
PID:1180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3524 -ip 3524
1⤵
PID:216

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\rtncyuqh.exe

Filesize
13.3MB

MD5
4e2c0ef725ff945c4b9a5477e5c3b573

SHA1
7825bc3065e2e722272216f8ef2ec2e901f6f866

SHA256
ca5089d1448b5d9b20d1f9d37be088f9e4e770d1f58625cf2a1dd8afb5cfa3aa

SHA512
f289180bc768e9ffe92a558a56d94d6fe76d417a4352f4f042a907414dfc43d2142d5c5b23d40a4a21916be37e7e6c2a04211f521f7ea7ae2f45c88eb2147d4b

Download Submit
memory/2372-10-0x0000000002190000-0x000000000219D000-memory.dmp

Filesize
52KB

Download
memory/2372-11-0x00000000021A0000-0x00000000021B3000-memory.dmp

Filesize
76KB

Download
memory/2372-1-0x00000000021A0000-0x00000000021B3000-memory.dmp

Filesize
76KB

Download
memory/2372-9-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2372-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2372-0-0x0000000002190000-0x000000000219D000-memory.dmp

Filesize
52KB

Download
memory/2372-12-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3524-6-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3524-8-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3524-7-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3524-18-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/5000-13-0x0000000000990000-0x00000000009A5000-memory.dmp

Filesize
84KB

Download
memory/5000-15-0x0000000000990000-0x00000000009A5000-memory.dmp

Filesize
84KB

Download
memory/5000-16-0x0000000000990000-0x00000000009A5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads