tofsee | 7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80

General

Target

JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe
Size

326KB
MD5

54ae2cec8e4f3385f4b53ee4a6180dfb
SHA1

062ace849bf3d19f145cf128c85c3fc1a60ba04e
SHA256

7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80
SHA512

40e962fa9fb8462b30f24d280a171120ec0fcb76e696267ffb2571794782672dcf26e7c805a354f78c62ec603f669d7d3f689848ded0e85b2969a10fcc698b35
SSDEEP

6144:kfMactU4cVJPeabc9J9FWWeo6coYcY4ltse:0QU4cVJPe3D9FNo2

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

patmushta.info

ovicrush.cn

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
2024	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\uoecgnhp\ImagePath = "C:\\Windows\\SysWOW64\\uoecgnhp\\lkezznah.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_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe

Deletes itself 1 IoCs

pid	Process
1512	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1568	lkezznah.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1568 set thread context of 1512	1568	lkezznah.exe	93

Launches sc.exe 3 IoCs

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

pid	Process
3728	sc.exe
4664	sc.exe
1108	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

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.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	lkezznah.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	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 3076	3160	JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe	82
PID 3160 wrote to memory of 3076	3160	JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe	82
PID 3160 wrote to memory of 3076	3160	JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe	82
PID 3160 wrote to memory of 1992	3160	JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe	84
PID 3160 wrote to memory of 1992	3160	JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe	84
PID 3160 wrote to memory of 1992	3160	JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe	84
PID 3160 wrote to memory of 3728	3160	JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe	86
PID 3160 wrote to memory of 3728	3160	JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe	86
PID 3160 wrote to memory of 3728	3160	JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe	86
PID 3160 wrote to memory of 4664	3160	JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe	88
PID 3160 wrote to memory of 4664	3160	JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe	88
PID 3160 wrote to memory of 4664	3160	JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe	88
PID 3160 wrote to memory of 1108	3160	JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe	90
PID 3160 wrote to memory of 1108	3160	JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe	90
PID 3160 wrote to memory of 1108	3160	JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe	90
PID 1568 wrote to memory of 1512	1568	lkezznah.exe	93
PID 1568 wrote to memory of 1512	1568	lkezznah.exe	93
PID 1568 wrote to memory of 1512	1568	lkezznah.exe	93
PID 1568 wrote to memory of 1512	1568	lkezznah.exe	93
PID 1568 wrote to memory of 1512	1568	lkezznah.exe	93
PID 3160 wrote to memory of 2024	3160	JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe	94
PID 3160 wrote to memory of 2024	3160	JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe	94
PID 3160 wrote to memory of 2024	3160	JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe	94

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3160
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uoecgnhp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3076
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lkezznah.exe" C:\Windows\SysWOW64\uoecgnhp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1992
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create uoecgnhp binPath= "C:\Windows\SysWOW64\uoecgnhp\lkezznah.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3728
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description uoecgnhp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4664
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start uoecgnhp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1108
- 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:2024

C:\Windows\SysWOW64\uoecgnhp\lkezznah.exe
C:\Windows\SysWOW64\uoecgnhp\lkezznah.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b3010ae8c798fc5d4cdcc0076e551a1785008554f192176323c60210ee02d80.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1512

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\lkezznah.exe

Filesize
12.2MB

MD5
2f205fb0ebb1b04a2de16f077476fe9e

SHA1
107096787e0e17228deff321131d490d24a16c57

SHA256
3cf4c30ed0b2f8dfa800c9f69a2bb6582d292f60b86a4420d8e7dd13a52a410f

SHA512
262d2addb764b84b3af8ef8708594c43c3a4c547566ecbe326032d4e4a8182dc56c0abdff9439a894557be8eabde1c43d9a7329ff18f8e54d9ff0a122fb75775

Download Submit
memory/1512-8-0x0000000000AE0000-0x0000000000AF5000-memory.dmp

Filesize
84KB

Download
memory/1512-14-0x0000000000AE0000-0x0000000000AF5000-memory.dmp

Filesize
84KB

Download
memory/1512-15-0x0000000000AE0000-0x0000000000AF5000-memory.dmp

Filesize
84KB

Download
memory/1568-10-0x0000000000400000-0x0000000002B1C000-memory.dmp

Filesize
39.1MB

Download
memory/3160-1-0x0000000002C50000-0x0000000002D50000-memory.dmp

Filesize
1024KB

Download
memory/3160-2-0x0000000004850000-0x0000000004863000-memory.dmp

Filesize
76KB

Download
memory/3160-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3160-12-0x0000000004850000-0x0000000004863000-memory.dmp

Filesize
76KB

Download
memory/3160-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3160-11-0x0000000000400000-0x0000000002B1C000-memory.dmp

Filesize
39.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads