tofsee | 467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4

General

Target

JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe
Size

169KB
MD5

0f8e3d40f63140e6d94672c2398cedb6
SHA1

0ee161a2e25b21bed17edca096836bb874a0135f
SHA256

467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4
SHA512

11c85084d3c0db1a9b4fa2b83826c313ac5d4ca1ea3f2253a49a100a9a135f5ffdbfca6c5b88ec898d1001bd78b450e2dbc5d82876c8848593981d2051d6d10b
SSDEEP

3072:ePmXKeALDeYAJoHMWR2Oceh7XVmQdrUJY:NKe4eYHRWApnU

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
2652	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\nuyyomck\ImagePath = "C:\\Windows\\SysWOW64\\nuyyomck\\xgpxldlu.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe

Deletes itself 1 IoCs

pid	Process
3860	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3200	xgpxldlu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3200 set thread context of 3860	3200	xgpxldlu.exe	94

Launches sc.exe 3 IoCs

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

pid	Process
2888	sc.exe
1676	sc.exe
1808	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 2 IoCs

pid	pid_target	Process	procid_target
3176	3200	WerFault.exe	93
2248	2244	WerFault.exe	82

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_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.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	xgpxldlu.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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 4356	2244	JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe	83
PID 2244 wrote to memory of 4356	2244	JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe	83
PID 2244 wrote to memory of 4356	2244	JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe	83
PID 2244 wrote to memory of 2192	2244	JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe	85
PID 2244 wrote to memory of 2192	2244	JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe	85
PID 2244 wrote to memory of 2192	2244	JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe	85
PID 2244 wrote to memory of 1676	2244	JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe	87
PID 2244 wrote to memory of 1676	2244	JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe	87
PID 2244 wrote to memory of 1676	2244	JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe	87
PID 2244 wrote to memory of 1808	2244	JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe	89
PID 2244 wrote to memory of 1808	2244	JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe	89
PID 2244 wrote to memory of 1808	2244	JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe	89
PID 2244 wrote to memory of 2888	2244	JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe	91
PID 2244 wrote to memory of 2888	2244	JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe	91
PID 2244 wrote to memory of 2888	2244	JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe	91
PID 3200 wrote to memory of 3860	3200	xgpxldlu.exe	94
PID 3200 wrote to memory of 3860	3200	xgpxldlu.exe	94
PID 3200 wrote to memory of 3860	3200	xgpxldlu.exe	94
PID 3200 wrote to memory of 3860	3200	xgpxldlu.exe	94
PID 3200 wrote to memory of 3860	3200	xgpxldlu.exe	94
PID 2244 wrote to memory of 2652	2244	JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe	96
PID 2244 wrote to memory of 2652	2244	JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe	96
PID 2244 wrote to memory of 2652	2244	JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe	96

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nuyyomck\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4356
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xgpxldlu.exe" C:\Windows\SysWOW64\nuyyomck\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2192
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create nuyyomck binPath= "C:\Windows\SysWOW64\nuyyomck\xgpxldlu.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1676
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description nuyyomck "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1808
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start nuyyomck
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2888
- 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:2652
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 652
  2⤵
  - Program crash
  PID:2248

C:\Windows\SysWOW64\nuyyomck\xgpxldlu.exe
C:\Windows\SysWOW64\nuyyomck\xgpxldlu.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_467c2fcd367c964c7d347a86b12f431d5178760336360d82d02492fb4e189fb4.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3200
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3860
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3200 -s 440
  2⤵
  - Program crash
  PID:3176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2244 -ip 2244
1⤵
PID:3088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3200 -ip 3200
1⤵
PID:1556

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\xgpxldlu.exe

Filesize
12.5MB

MD5
590ebac1cd110d945aa879b53a6ace0a

SHA1
322e2919eab9887114dbf646fa7767912f56aa2c

SHA256
7bf97512e38e91ac19fb4d1fbeae41626374397081035bf049eb893925ddd906

SHA512
3b17cd6c5bc3a26c933f6b9e318b52eec9980c9c91cc3e7bf1623d944f2621fdfddbaa874e1b333659305fd1fe9e91f1433642069fc7bc226c69badc87fa80f6

Download Submit
memory/2244-15-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2244-0-0x0000000002040000-0x000000000204D000-memory.dmp

Filesize
52KB

Download
memory/2244-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2244-1-0x0000000002050000-0x0000000002063000-memory.dmp

Filesize
76KB

Download
memory/2244-16-0x0000000002040000-0x000000000204D000-memory.dmp

Filesize
52KB

Download
memory/2244-17-0x0000000002050000-0x0000000002063000-memory.dmp

Filesize
76KB

Download
memory/2244-18-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3200-8-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3200-14-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3200-6-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3200-7-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3860-12-0x0000000000EE0000-0x0000000000EF5000-memory.dmp

Filesize
84KB

Download
memory/3860-9-0x0000000000EE0000-0x0000000000EF5000-memory.dmp

Filesize
84KB

Download
memory/3860-19-0x0000000000EE0000-0x0000000000EF5000-memory.dmp

Filesize
84KB

Download
memory/3860-20-0x0000000000EE0000-0x0000000000EF5000-memory.dmp

Filesize
84KB

Download
memory/3860-21-0x0000000000EE0000-0x0000000000EF5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads