tofsee | db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77

General

Target

JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe
Size

278KB
MD5

832eef8830ace04bfd53d05c524dca29
SHA1

9ae9dd522717b19d905c9fdba1ec5a288a4e0ed4
SHA256

db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77
SHA512

f428c31368b98965d9b93b6836f8e9163e5a744efe2ddff8fcaabc4980d92a645e48e106528a4532f2a9df6f48677d37765946149a38143fe2b59dad696506c0
SSDEEP

3072:4J0Zp67yXQw8oNftX19+9u5U/uMcwfGzPHeuqAsBD4SYhb07FjsE/Sb9Ck7O8BEY:44DTNVQ/cbHeu6Bk/y7Fjn/XKOSEI

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
2648	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\xnijmdtl\ImagePath = "C:\\Windows\\SysWOW64\\xnijmdtl\\exlxpjly.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_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe

Deletes itself 1 IoCs

pid	Process
5004	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4152	exlxpjly.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4152 set thread context of 5004	4152	exlxpjly.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
4816	sc.exe
1704	sc.exe
4268	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
2204	2320	WerFault.exe	81
2300	4152	WerFault.exe	92

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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.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	exlxpjly.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 4192	2320	JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe	82
PID 2320 wrote to memory of 4192	2320	JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe	82
PID 2320 wrote to memory of 4192	2320	JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe	82
PID 2320 wrote to memory of 3512	2320	JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe	84
PID 2320 wrote to memory of 3512	2320	JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe	84
PID 2320 wrote to memory of 3512	2320	JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe	84
PID 2320 wrote to memory of 4268	2320	JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe	86
PID 2320 wrote to memory of 4268	2320	JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe	86
PID 2320 wrote to memory of 4268	2320	JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe	86
PID 2320 wrote to memory of 4816	2320	JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe	88
PID 2320 wrote to memory of 4816	2320	JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe	88
PID 2320 wrote to memory of 4816	2320	JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe	88
PID 2320 wrote to memory of 1704	2320	JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe	90
PID 2320 wrote to memory of 1704	2320	JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe	90
PID 2320 wrote to memory of 1704	2320	JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe	90
PID 2320 wrote to memory of 2648	2320	JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe	93
PID 2320 wrote to memory of 2648	2320	JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe	93
PID 2320 wrote to memory of 2648	2320	JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe	93
PID 4152 wrote to memory of 5004	4152	exlxpjly.exe	98
PID 4152 wrote to memory of 5004	4152	exlxpjly.exe	98
PID 4152 wrote to memory of 5004	4152	exlxpjly.exe	98
PID 4152 wrote to memory of 5004	4152	exlxpjly.exe	98
PID 4152 wrote to memory of 5004	4152	exlxpjly.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xnijmdtl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4192
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\exlxpjly.exe" C:\Windows\SysWOW64\xnijmdtl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3512
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xnijmdtl binPath= "C:\Windows\SysWOW64\xnijmdtl\exlxpjly.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4268
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xnijmdtl "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4816
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xnijmdtl
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1704
- 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:2648
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 1048
  2⤵
  - Program crash
  PID:2204

C:\Windows\SysWOW64\xnijmdtl\exlxpjly.exe
C:\Windows\SysWOW64\xnijmdtl\exlxpjly.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_db6ca7bd376d1e121e3e478d9d9fbda472e879b00b3fd572d431e977a454fb77.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4152
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:5004
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4152 -s 516
  2⤵
  - Program crash
  PID:2300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2320 -ip 2320
1⤵
PID:4912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4152 -ip 4152
1⤵
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\exlxpjly.exe

Filesize
14.4MB

MD5
8134ec977b121fda0e9e41c32d978f7c

SHA1
3d5b611589c69d006b4886385eedde310029301e

SHA256
b0742064f5d027249c8ed098ecfa5093063155fe6bfe8e4bb48765b370a84beb

SHA512
fad6c6a22a539a8a4d841e62936c3984f2665247c63d7646ecbd97fbd82798418e6c012b61d70a02c63d675bee018c03bc25a6ec552c0781b4ba43e013486909

Download Submit
memory/2320-1-0x0000000002250000-0x0000000002350000-memory.dmp

Filesize
1024KB

Download
memory/2320-2-0x0000000003D20000-0x0000000003D33000-memory.dmp

Filesize
76KB

Download
memory/2320-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2320-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2320-8-0x0000000003D20000-0x0000000003D33000-memory.dmp

Filesize
76KB

Download
memory/2320-7-0x0000000000400000-0x0000000001FCB000-memory.dmp

Filesize
27.8MB

Download
memory/4152-15-0x0000000000400000-0x0000000001FCB000-memory.dmp

Filesize
27.8MB

Download
memory/5004-11-0x0000000000F90000-0x0000000000FA5000-memory.dmp

Filesize
84KB

Download
memory/5004-13-0x0000000000F90000-0x0000000000FA5000-memory.dmp

Filesize
84KB

Download
memory/5004-14-0x0000000000F90000-0x0000000000FA5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads