tofsee | c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075

General

Target

JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe
Size

337KB
MD5

3fdb21bf344606833d86102e85f00e81
SHA1

ddc935d0e79e800fdd5bc962e19cfdf843d06e3f
SHA256

c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075
SHA512

4fb3d015992f788df9dc880ada9c81ef83b779b47c448cc57fc40ebe41c5091ef7094b4ce737c3077f0da316873320717bc984725ea80053f9da9c06cd75c158
SSDEEP

6144:dMfq+0R4E+ktkalj8LJUGfTrBOV/1vFQE0B:Ft4otkalj8LnnBOv9QEK

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
4800	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\lqciioyh\ImagePath = "C:\\Windows\\SysWOW64\\lqciioyh\\npjyuqmd.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe

Deletes itself 1 IoCs

pid	Process
2952	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1916	npjyuqmd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1916 set thread context of 2952	1916	npjyuqmd.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
3708	sc.exe
688	sc.exe
1656	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
3180	2260	WerFault.exe	82
4100	1916	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	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	npjyuqmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.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	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 1584	2260	JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe	83
PID 2260 wrote to memory of 1584	2260	JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe	83
PID 2260 wrote to memory of 1584	2260	JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe	83
PID 2260 wrote to memory of 1748	2260	JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe	85
PID 2260 wrote to memory of 1748	2260	JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe	85
PID 2260 wrote to memory of 1748	2260	JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe	85
PID 2260 wrote to memory of 3708	2260	JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe	88
PID 2260 wrote to memory of 3708	2260	JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe	88
PID 2260 wrote to memory of 3708	2260	JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe	88
PID 2260 wrote to memory of 688	2260	JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe	90
PID 2260 wrote to memory of 688	2260	JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe	90
PID 2260 wrote to memory of 688	2260	JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe	90
PID 2260 wrote to memory of 1656	2260	JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe	92
PID 2260 wrote to memory of 1656	2260	JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe	92
PID 2260 wrote to memory of 1656	2260	JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe	92
PID 2260 wrote to memory of 4800	2260	JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe	95
PID 2260 wrote to memory of 4800	2260	JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe	95
PID 2260 wrote to memory of 4800	2260	JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe	95
PID 1916 wrote to memory of 2952	1916	npjyuqmd.exe	101
PID 1916 wrote to memory of 2952	1916	npjyuqmd.exe	101
PID 1916 wrote to memory of 2952	1916	npjyuqmd.exe	101
PID 1916 wrote to memory of 2952	1916	npjyuqmd.exe	101
PID 1916 wrote to memory of 2952	1916	npjyuqmd.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lqciioyh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1584
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\npjyuqmd.exe" C:\Windows\SysWOW64\lqciioyh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1748
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lqciioyh binPath= "C:\Windows\SysWOW64\lqciioyh\npjyuqmd.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3708
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lqciioyh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:688
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lqciioyh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1656
- 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:4800
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2260 -s 1172
  2⤵
  - Program crash
  PID:3180

C:\Windows\SysWOW64\lqciioyh\npjyuqmd.exe
C:\Windows\SysWOW64\lqciioyh\npjyuqmd.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c40a888bf1f2c26adc0edc70965d85648f22ece1f2d41a5095fb72615d954075.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2952
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 508
  2⤵
  - Program crash
  PID:4100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2260 -ip 2260
1⤵
PID:2372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1916 -ip 1916
1⤵
PID:4132

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\npjyuqmd.exe

Filesize
10.8MB

MD5
986c73b48abe5266d4b1ec698964cba3

SHA1
0f61f4f8f9b1dc97916641ccc303ddaa4e60ad41

SHA256
bcbf714f106cdf3d7c1a1afcbf8fe027a9609d2f441d5be30d07db978d992b2b

SHA512
7f2008ce1ead08ca27c77af36edddef173a8fd5d3e9cff22cf6a8e1b5252b54ac2bcb089b290886fb4a75324764856cb0e9554fab22c12a38d8b95be875ef840

Download Submit
memory/1916-15-0x0000000000400000-0x00000000023AB000-memory.dmp

Filesize
31.7MB

Download
memory/2260-1-0x00000000026C0000-0x00000000027C0000-memory.dmp

Filesize
1024KB

Download
memory/2260-2-0x0000000002650000-0x0000000002663000-memory.dmp

Filesize
76KB

Download
memory/2260-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2260-8-0x0000000002650000-0x0000000002663000-memory.dmp

Filesize
76KB

Download
memory/2260-7-0x0000000000400000-0x00000000023AB000-memory.dmp

Filesize
31.7MB

Download
memory/2260-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2952-11-0x0000000000EA0000-0x0000000000EB5000-memory.dmp

Filesize
84KB

Download
memory/2952-13-0x0000000000EA0000-0x0000000000EB5000-memory.dmp

Filesize
84KB

Download
memory/2952-14-0x0000000000EA0000-0x0000000000EB5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads