tofsee | e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48

General

Target

JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe
Size

238KB
MD5

46b1ff10b780d1ce8d7be7ef3b86acb0
SHA1

e4e1e2e1c964f498f1bb9227ed48a7202e7a45a1
SHA256

e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48
SHA512

c6b57a4091205920954add28de487ba5e103cfdf688067ecf6431a41ccd1398ec24277e478d4df939b1c2e6a984bba838747a8ab4cd978aaeb8de6a78fe0a256
SSDEEP

3072:R7iI0UsrZRD2ALLqOju9/DyF6IZKVggjcGkNIVqI7sxkgaBChMpZa9uD6Vdyhkq:YHUsrZRDnLXu9GMSy7ITsq7igavwVf

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
2172	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\spjuasmp\ImagePath = "C:\\Windows\\SysWOW64\\spjuasmp\\akpcjeds.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe

Deletes itself 1 IoCs

pid	Process
432	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2964	akpcjeds.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2964 set thread context of 432	2964	akpcjeds.exe	99

Launches sc.exe 3 IoCs

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

pid	Process
4940	sc.exe
4736	sc.exe
1340	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
4232	4156	WerFault.exe	82
4152	2964	WerFault.exe	93

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.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	akpcjeds.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4156 wrote to memory of 4216	4156	JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe	83
PID 4156 wrote to memory of 4216	4156	JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe	83
PID 4156 wrote to memory of 4216	4156	JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe	83
PID 4156 wrote to memory of 220	4156	JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe	85
PID 4156 wrote to memory of 220	4156	JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe	85
PID 4156 wrote to memory of 220	4156	JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe	85
PID 4156 wrote to memory of 4940	4156	JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe	87
PID 4156 wrote to memory of 4940	4156	JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe	87
PID 4156 wrote to memory of 4940	4156	JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe	87
PID 4156 wrote to memory of 4736	4156	JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe	89
PID 4156 wrote to memory of 4736	4156	JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe	89
PID 4156 wrote to memory of 4736	4156	JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe	89
PID 4156 wrote to memory of 1340	4156	JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe	91
PID 4156 wrote to memory of 1340	4156	JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe	91
PID 4156 wrote to memory of 1340	4156	JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe	91
PID 4156 wrote to memory of 2172	4156	JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe	94
PID 4156 wrote to memory of 2172	4156	JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe	94
PID 4156 wrote to memory of 2172	4156	JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe	94
PID 2964 wrote to memory of 432	2964	akpcjeds.exe	99
PID 2964 wrote to memory of 432	2964	akpcjeds.exe	99
PID 2964 wrote to memory of 432	2964	akpcjeds.exe	99
PID 2964 wrote to memory of 432	2964	akpcjeds.exe	99
PID 2964 wrote to memory of 432	2964	akpcjeds.exe	99

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4156
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\spjuasmp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4216
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\akpcjeds.exe" C:\Windows\SysWOW64\spjuasmp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:220
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create spjuasmp binPath= "C:\Windows\SysWOW64\spjuasmp\akpcjeds.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4940
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description spjuasmp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4736
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start spjuasmp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1340
- 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:2172
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 664
  2⤵
  - Program crash
  PID:4232

C:\Windows\SysWOW64\spjuasmp\akpcjeds.exe
C:\Windows\SysWOW64\spjuasmp\akpcjeds.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e8775ba19c3e870f2d2b82ded8a857c1e398225c3cb2b3525d20e70441f9db48.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:432
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2964 -s 512
  2⤵
  - Program crash
  PID:4152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4156 -ip 4156
1⤵
PID:2848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2964 -ip 2964
1⤵
PID:1832

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\akpcjeds.exe

Filesize
10.1MB

MD5
972f9c4c2abcbeafa5329bb2cd687309

SHA1
5303a2efe8fba03d15d7cc761033e873bd69cf23

SHA256
5e39f51b53eb83feea7b7b0eb4bce463945144f5fa117dd38ce40935cd595df3

SHA512
dac0015692e2633b686c253d01e2afebb01f4842c47f21f1cfbb76a27ef6b4746ab88dc030647d3ff7a12c45ba952dfb277886c38963dcb702fdc3fd9ef043f7

Download Submit
memory/432-21-0x0000000000DA0000-0x0000000000DB5000-memory.dmp

Filesize
84KB

Download
memory/432-20-0x0000000000DA0000-0x0000000000DB5000-memory.dmp

Filesize
84KB

Download
memory/432-9-0x0000000000DA0000-0x0000000000DB5000-memory.dmp

Filesize
84KB

Download
memory/432-19-0x0000000000DA0000-0x0000000000DB5000-memory.dmp

Filesize
84KB

Download
memory/432-13-0x0000000000DA0000-0x0000000000DB5000-memory.dmp

Filesize
84KB

Download
memory/2964-18-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2964-6-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2964-7-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2964-8-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4156-12-0x00000000006F0000-0x00000000006FD000-memory.dmp

Filesize
52KB

Download
memory/4156-15-0x0000000000700000-0x0000000000713000-memory.dmp

Filesize
76KB

Download
memory/4156-14-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4156-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4156-0-0x00000000006F0000-0x00000000006FD000-memory.dmp

Filesize
52KB

Download
memory/4156-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4156-1-0x0000000000700000-0x0000000000713000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads