tofsee | 802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30

General

Target

JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe
Size

337KB
MD5

d5dcd6548c4e5b796fe37cf726284c44
SHA1

bc323164c3dbbec11612920cdc1355d3a4cf78a9
SHA256

802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30
SHA512

d0331d94a1199df34bfb75190494a3c1d80d2dfa37b80233c1a8308e3e58e3d89a7a26b317a98f44e0eb258c7751d8bfb68a68114cc35f99ae339fa8b9e87cc3
SSDEEP

6144:+9SU8h6YplPuhSMpyXLeGpJhDRo/N6WHk2dUp:+IR1plXyyXLeG/FRY6WHk6Up

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
3368	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\vhghtjzk\ImagePath = "C:\\Windows\\SysWOW64\\vhghtjzk\\ngugysuh.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe

Deletes itself 1 IoCs

pid	Process
636	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3552	ngugysuh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3552 set thread context of 636	3552	ngugysuh.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
3644	sc.exe
4692	sc.exe
1432	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
3044	3084	WerFault.exe	81
464	3552	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ngugysuh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3084 wrote to memory of 4312	3084	JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe	82
PID 3084 wrote to memory of 4312	3084	JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe	82
PID 3084 wrote to memory of 4312	3084	JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe	82
PID 3084 wrote to memory of 4508	3084	JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe	84
PID 3084 wrote to memory of 4508	3084	JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe	84
PID 3084 wrote to memory of 4508	3084	JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe	84
PID 3084 wrote to memory of 3644	3084	JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe	86
PID 3084 wrote to memory of 3644	3084	JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe	86
PID 3084 wrote to memory of 3644	3084	JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe	86
PID 3084 wrote to memory of 4692	3084	JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe	88
PID 3084 wrote to memory of 4692	3084	JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe	88
PID 3084 wrote to memory of 4692	3084	JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe	88
PID 3084 wrote to memory of 1432	3084	JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe	90
PID 3084 wrote to memory of 1432	3084	JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe	90
PID 3084 wrote to memory of 1432	3084	JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe	90
PID 3084 wrote to memory of 3368	3084	JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe	93
PID 3084 wrote to memory of 3368	3084	JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe	93
PID 3084 wrote to memory of 3368	3084	JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe	93
PID 3552 wrote to memory of 636	3552	ngugysuh.exe	98
PID 3552 wrote to memory of 636	3552	ngugysuh.exe	98
PID 3552 wrote to memory of 636	3552	ngugysuh.exe	98
PID 3552 wrote to memory of 636	3552	ngugysuh.exe	98
PID 3552 wrote to memory of 636	3552	ngugysuh.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3084
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vhghtjzk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4312
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ngugysuh.exe" C:\Windows\SysWOW64\vhghtjzk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4508
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create vhghtjzk binPath= "C:\Windows\SysWOW64\vhghtjzk\ngugysuh.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3644
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description vhghtjzk "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4692
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start vhghtjzk
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1432
- 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:3368
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 1036
  2⤵
  - Program crash
  PID:3044

C:\Windows\SysWOW64\vhghtjzk\ngugysuh.exe
C:\Windows\SysWOW64\vhghtjzk\ngugysuh.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_802c09d2ca0066f5855f8e22a023510b405dbb26ea9d6daad5a66da992016f30.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3552
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:636
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 508
  2⤵
  - Program crash
  PID:464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3084 -ip 3084
1⤵
PID:1088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3552 -ip 3552
1⤵
PID:700

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

Loading Replay Monitor...

Downloads

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

Filesize
14.0MB

MD5
6802e4c2a79519f8f4ccbe14b29cca40

SHA1
8f6287f25b40ffcd5f000c8fb4e590b501987e38

SHA256
147e8c178b0a97ebcc944bb10d4117ac19f73588217489161546ea972eeb82be

SHA512
e42b0b89c72ac40ba2f402e89057565a487e217263cb29e1a34a80a255415b94c581159e8bb42c644962976d204629f6625b59b8585712683029427c7affe032

Download Submit
memory/636-11-0x00000000007C0000-0x00000000007D5000-memory.dmp

Filesize
84KB

Download
memory/636-13-0x00000000007C0000-0x00000000007D5000-memory.dmp

Filesize
84KB

Download
memory/636-14-0x00000000007C0000-0x00000000007D5000-memory.dmp

Filesize
84KB

Download
memory/3084-1-0x0000000002E40000-0x0000000002F40000-memory.dmp

Filesize
1024KB

Download
memory/3084-2-0x00000000001D0000-0x00000000001E3000-memory.dmp

Filesize
76KB

Download
memory/3084-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3084-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3084-8-0x00000000001D0000-0x00000000001E3000-memory.dmp

Filesize
76KB

Download
memory/3084-7-0x0000000000400000-0x0000000002B4D000-memory.dmp

Filesize
39.3MB

Download
memory/3552-15-0x0000000000400000-0x0000000002B4D000-memory.dmp

Filesize
39.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads