tofsee | f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a

General

Target

JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe
Size

187KB
MD5

768863f3b549af94613edd5eca8aea7a
SHA1

b53463171e71cd65eef631c364a8304ff696cf94
SHA256

f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a
SHA512

30c7583f5ced5fafc90c65ba5362e293f7b1742bb01a9816618f12b5a22006404d77471e4e226650403bc5ed9fe78008b58dd03f02ad268c208e5c31b515d7f9
SSDEEP

3072:CC7e/jDuFi2WidMDbeOaYgKbnTDC6RSfBVpZa9uD6Vdyhkk:CLLDuFi2WidMDbpaYsVVwVf

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
2220	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\lqepzypy\ImagePath = "C:\\Windows\\SysWOW64\\lqepzypy\\mfqgroha.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_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe

Deletes itself 1 IoCs

pid	Process
4352	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2416	mfqgroha.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2416 set thread context of 4352	2416	mfqgroha.exe	95

Launches sc.exe 3 IoCs

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

pid	Process
2528	sc.exe
4920	sc.exe
4872	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mfqgroha.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 3552	1204	JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe	82
PID 1204 wrote to memory of 3552	1204	JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe	82
PID 1204 wrote to memory of 3552	1204	JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe	82
PID 1204 wrote to memory of 2972	1204	JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe	84
PID 1204 wrote to memory of 2972	1204	JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe	84
PID 1204 wrote to memory of 2972	1204	JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe	84
PID 1204 wrote to memory of 4920	1204	JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe	86
PID 1204 wrote to memory of 4920	1204	JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe	86
PID 1204 wrote to memory of 4920	1204	JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe	86
PID 1204 wrote to memory of 4872	1204	JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe	88
PID 1204 wrote to memory of 4872	1204	JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe	88
PID 1204 wrote to memory of 4872	1204	JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe	88
PID 1204 wrote to memory of 2528	1204	JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe	90
PID 1204 wrote to memory of 2528	1204	JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe	90
PID 1204 wrote to memory of 2528	1204	JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe	90
PID 1204 wrote to memory of 2220	1204	JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe	93
PID 1204 wrote to memory of 2220	1204	JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe	93
PID 1204 wrote to memory of 2220	1204	JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe	93
PID 2416 wrote to memory of 4352	2416	mfqgroha.exe	95
PID 2416 wrote to memory of 4352	2416	mfqgroha.exe	95
PID 2416 wrote to memory of 4352	2416	mfqgroha.exe	95
PID 2416 wrote to memory of 4352	2416	mfqgroha.exe	95
PID 2416 wrote to memory of 4352	2416	mfqgroha.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lqepzypy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3552
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mfqgroha.exe" C:\Windows\SysWOW64\lqepzypy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2972
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lqepzypy binPath= "C:\Windows\SysWOW64\lqepzypy\mfqgroha.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4920
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lqepzypy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4872
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lqepzypy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2528
- 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:2220

C:\Windows\SysWOW64\lqepzypy\mfqgroha.exe
C:\Windows\SysWOW64\lqepzypy\mfqgroha.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f99276cbfae054d1eccc3ee442933687d8ebb7087b5005e7afbcdc34169b555a.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4352

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\mfqgroha.exe

Filesize
11.6MB

MD5
4849495b3260dab0c5dc5091bf7d27d3

SHA1
c164e6816c125cf6b2a76d4e16bd0414b148a5f3

SHA256
63ead1c142240abf2082cd874d1243fbe9082f6257b84672cb08d862a7ace719

SHA512
ce7cfa38eed4fbe3973377335d9ae90b596465f5db74f4e1fb406050d3ad3934ff385fb499577532e6604da757e9df25cbd827960d1584310cb6ffe8446b5b40

Download Submit
memory/1204-7-0x00000000004C0000-0x00000000004CD000-memory.dmp

Filesize
52KB

Download
memory/1204-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1204-1-0x00000000004F0000-0x0000000000503000-memory.dmp

Filesize
76KB

Download
memory/1204-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1204-8-0x00000000004F0000-0x0000000000503000-memory.dmp

Filesize
76KB

Download
memory/1204-0-0x00000000004C0000-0x00000000004CD000-memory.dmp

Filesize
52KB

Download
memory/1204-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2416-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2416-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2416-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4352-12-0x0000000000410000-0x0000000000425000-memory.dmp

Filesize
84KB

Download
memory/4352-16-0x0000000000410000-0x0000000000425000-memory.dmp

Filesize
84KB

Download
memory/4352-17-0x0000000000410000-0x0000000000425000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads