tofsee | 9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d

General

Target

JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe
Size

187KB
MD5

4456628ee52545cbb91c3588b327a1ad
SHA1

a699b0f6d3c4b451f40632d82f55659629d832b4
SHA256

9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d
SHA512

dd60054847d9c91f0a22e10eb5e1aaed977d871ef077eb8c033239311a11f12a467f81cd96609f3cdac01a5c70ecaddfb37397444c84d4a0a70c11a710a3b987
SSDEEP

3072:T7ojA4DTPiETuihAgpJrI0EhQkL7I313zQ9J0YgYpZa9uD6Vdyhk9:WA4DTPiwhAV0EhQqm13c9J0YwVf

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
4188	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\zqmhwryr\ImagePath = "C:\\Windows\\SysWOW64\\zqmhwryr\\jcxjncn.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_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe

Deletes itself 1 IoCs

pid	Process
1440	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4336	jcxjncn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4336 set thread context of 1440	4336	jcxjncn.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
1480	sc.exe
3888	sc.exe
4512	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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4320	4416	WerFault.exe	81
4976	4336	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	JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.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	svchost.exe
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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jcxjncn.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4416 wrote to memory of 4528	4416	JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe	82
PID 4416 wrote to memory of 4528	4416	JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe	82
PID 4416 wrote to memory of 4528	4416	JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe	82
PID 4416 wrote to memory of 3860	4416	JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe	84
PID 4416 wrote to memory of 3860	4416	JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe	84
PID 4416 wrote to memory of 3860	4416	JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe	84
PID 4416 wrote to memory of 1480	4416	JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe	86
PID 4416 wrote to memory of 1480	4416	JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe	86
PID 4416 wrote to memory of 1480	4416	JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe	86
PID 4416 wrote to memory of 3888	4416	JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe	88
PID 4416 wrote to memory of 3888	4416	JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe	88
PID 4416 wrote to memory of 3888	4416	JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe	88
PID 4416 wrote to memory of 4512	4416	JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe	90
PID 4416 wrote to memory of 4512	4416	JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe	90
PID 4416 wrote to memory of 4512	4416	JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe	90
PID 4416 wrote to memory of 4188	4416	JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe	93
PID 4416 wrote to memory of 4188	4416	JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe	93
PID 4416 wrote to memory of 4188	4416	JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe	93
PID 4336 wrote to memory of 1440	4336	jcxjncn.exe	98
PID 4336 wrote to memory of 1440	4336	jcxjncn.exe	98
PID 4336 wrote to memory of 1440	4336	jcxjncn.exe	98
PID 4336 wrote to memory of 1440	4336	jcxjncn.exe	98
PID 4336 wrote to memory of 1440	4336	jcxjncn.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4416
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zqmhwryr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4528
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jcxjncn.exe" C:\Windows\SysWOW64\zqmhwryr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3860
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zqmhwryr binPath= "C:\Windows\SysWOW64\zqmhwryr\jcxjncn.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1480
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zqmhwryr "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3888
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zqmhwryr
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4512
- 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:4188
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 1036
  2⤵
  - Program crash
  PID:4320

C:\Windows\SysWOW64\zqmhwryr\jcxjncn.exe
C:\Windows\SysWOW64\zqmhwryr\jcxjncn.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c07c1ee178300be5ef12f1c51cc3d5d574499b4f977d6bfc3314701dae0ab7d.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4336
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1440
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4336 -s 512
  2⤵
  - Program crash
  PID:4976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4416 -ip 4416
1⤵
PID:3932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4336 -ip 4336
1⤵
PID:1080

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\jcxjncn.exe

Filesize
13.4MB

MD5
bc9fc5a2a190675409c04f26224dd208

SHA1
0408ffbe17b23796f80f229d76383dff076801ae

SHA256
7a6e0ff1c00c7c6c16983990cba5e58f9ac8e7c0f99d3e824ad5b26b683fdb86

SHA512
ad42fcdb1dc0f6ac86c3e3453fab44e8cb051bc9fb9049049353f7b2c3d3e53aa59ac2ac03ecaba41a204e8607d2ba05268c0b7e1c4c7f8ccb16c45a05a32ff7

Download Submit
memory/1440-8-0x0000000000C30000-0x0000000000C45000-memory.dmp

Filesize
84KB

Download
memory/1440-17-0x0000000000C30000-0x0000000000C45000-memory.dmp

Filesize
84KB

Download
memory/1440-16-0x0000000000C30000-0x0000000000C45000-memory.dmp

Filesize
84KB

Download
memory/4336-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4336-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4336-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4416-0-0x00000000006E0000-0x00000000006ED000-memory.dmp

Filesize
52KB

Download
memory/4416-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4416-12-0x00000000006F0000-0x0000000000703000-memory.dmp

Filesize
76KB

Download
memory/4416-11-0x00000000006E0000-0x00000000006ED000-memory.dmp

Filesize
52KB

Download
memory/4416-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4416-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4416-1-0x00000000006F0000-0x0000000000703000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads