tofsee | 25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba

General

Target

JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe
Size

272KB
MD5

258f12b30b5079201fe2dd01fdd9a5de
SHA1

1828c389ca0984151cd775bf327a56c0fcf100bf
SHA256

25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba
SHA512

d365952ce8942f63da788f39511f411927ccd293469edd2ca449985883d9be792136283a95d1b16c8626c1fa4fc3e31acb0a89b21816cb17a7a00f18f821c271
SSDEEP

6144:z7Bf/u+LA9m+NpVuzbgwu6L7ITsqSigaTwVf:Bf/u+LA9m2Vunnn7s

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
2044	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\qyfeytde\ImagePath = "C:\\Windows\\SysWOW64\\qyfeytde\\lvanupod.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe

Deletes itself 1 IoCs

pid	Process
4536	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3220	lvanupod.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3220 set thread context of 4536	3220	lvanupod.exe	96

Launches sc.exe 3 IoCs

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

pid	Process
912	sc.exe
1536	sc.exe
1020	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
1868	4712	WerFault.exe	82
3708	3220	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.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	lvanupod.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 3104	4712	JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe	83
PID 4712 wrote to memory of 3104	4712	JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe	83
PID 4712 wrote to memory of 3104	4712	JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe	83
PID 4712 wrote to memory of 220	4712	JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe	85
PID 4712 wrote to memory of 220	4712	JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe	85
PID 4712 wrote to memory of 220	4712	JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe	85
PID 4712 wrote to memory of 912	4712	JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe	87
PID 4712 wrote to memory of 912	4712	JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe	87
PID 4712 wrote to memory of 912	4712	JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe	87
PID 4712 wrote to memory of 1536	4712	JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe	89
PID 4712 wrote to memory of 1536	4712	JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe	89
PID 4712 wrote to memory of 1536	4712	JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe	89
PID 4712 wrote to memory of 1020	4712	JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe	91
PID 4712 wrote to memory of 1020	4712	JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe	91
PID 4712 wrote to memory of 1020	4712	JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe	91
PID 4712 wrote to memory of 2044	4712	JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe	94
PID 4712 wrote to memory of 2044	4712	JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe	94
PID 4712 wrote to memory of 2044	4712	JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe	94
PID 3220 wrote to memory of 4536	3220	lvanupod.exe	96
PID 3220 wrote to memory of 4536	3220	lvanupod.exe	96
PID 3220 wrote to memory of 4536	3220	lvanupod.exe	96
PID 3220 wrote to memory of 4536	3220	lvanupod.exe	96
PID 3220 wrote to memory of 4536	3220	lvanupod.exe	96

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qyfeytde\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3104
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lvanupod.exe" C:\Windows\SysWOW64\qyfeytde\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:220
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qyfeytde binPath= "C:\Windows\SysWOW64\qyfeytde\lvanupod.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:912
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qyfeytde "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1536
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qyfeytde
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1020
- 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:2044
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4712 -s 1028
  2⤵
  - Program crash
  PID:1868

C:\Windows\SysWOW64\qyfeytde\lvanupod.exe
C:\Windows\SysWOW64\qyfeytde\lvanupod.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25312406a1a4d9a3aa19b758b18135384469ea8cb90f6c59773e953ff58b6cba.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3220
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4536
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3220 -s 532
  2⤵
  - Program crash
  PID:3708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4712 -ip 4712
1⤵
PID:3772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3220 -ip 3220
1⤵
PID:3608

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\lvanupod.exe

Filesize
12.6MB

MD5
07174a49895ef2d735f2cdf1772bf8e3

SHA1
193b5badff8adc5477531973109e59205af07ffd

SHA256
7d50568c201a710c1a24b4007c888e617a5eee6a31485007baca8e30ad7b1bdf

SHA512
4986343e9cd181024b832092503f6457721a41ac61abfac8e7dbf39411463657a8bbfb8a3b3c829d27896e52ddb7321b3d57d1b8bec2aaaa4da149074e037c3e

Download Submit
memory/3220-8-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/3220-15-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/3220-6-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/3220-7-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/4536-19-0x00000000001C0000-0x00000000001D5000-memory.dmp

Filesize
84KB

Download
memory/4536-18-0x00000000001C0000-0x00000000001D5000-memory.dmp

Filesize
84KB

Download
memory/4536-9-0x00000000001C0000-0x00000000001D5000-memory.dmp

Filesize
84KB

Download
memory/4712-11-0x0000000002180000-0x000000000218D000-memory.dmp

Filesize
52KB

Download
memory/4712-12-0x0000000002190000-0x00000000021A3000-memory.dmp

Filesize
76KB

Download
memory/4712-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4712-14-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/4712-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4712-0-0x0000000002180000-0x000000000218D000-memory.dmp

Filesize
52KB

Download
memory/4712-1-0x0000000002190000-0x00000000021A3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads