tofsee | cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 08:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe
Size

12.1MB
MD5

0933a84caaad7a803af9327f00b427ea
SHA1

a819feb2801a42a00108a1e5989c0b8cab3a7620
SHA256

cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97
SHA512

665358ff9632179f2a872ff3b7d8185ba842569aa9af95cd9a65851d24d750bc9eebe50acb76e4b4cb1808baeed4637eaca167f01e6f89a720b4349ae9338a38
SSDEEP

49152:P1m333333333333333333333333333333333333333333333333333333333333w:d

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

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

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\xykedsbt = "0"	svchost.exe

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
2748	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\xykedsbt\ImagePath = "C:\\Windows\\SysWOW64\\xykedsbt\\kpzpdi.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2900	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2740	kpzpdi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2740 set thread context of 2900	2740	kpzpdi.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2380	sc.exe
2452	sc.exe
3028	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kpzpdi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2376	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	30
PID 2180 wrote to memory of 2376	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	30
PID 2180 wrote to memory of 2376	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	30
PID 2180 wrote to memory of 2376	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	30
PID 2180 wrote to memory of 1724	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	32
PID 2180 wrote to memory of 1724	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	32
PID 2180 wrote to memory of 1724	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	32
PID 2180 wrote to memory of 1724	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	32
PID 2180 wrote to memory of 2380	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	34
PID 2180 wrote to memory of 2380	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	34
PID 2180 wrote to memory of 2380	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	34
PID 2180 wrote to memory of 2380	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	34
PID 2180 wrote to memory of 2452	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	36
PID 2180 wrote to memory of 2452	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	36
PID 2180 wrote to memory of 2452	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	36
PID 2180 wrote to memory of 2452	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	36
PID 2180 wrote to memory of 3028	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	38
PID 2180 wrote to memory of 3028	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	38
PID 2180 wrote to memory of 3028	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	38
PID 2180 wrote to memory of 3028	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	38
PID 2180 wrote to memory of 2748	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	41
PID 2180 wrote to memory of 2748	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	41
PID 2180 wrote to memory of 2748	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	41
PID 2180 wrote to memory of 2748	2180	cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe	41
PID 2740 wrote to memory of 2900	2740	kpzpdi.exe	43
PID 2740 wrote to memory of 2900	2740	kpzpdi.exe	43
PID 2740 wrote to memory of 2900	2740	kpzpdi.exe	43
PID 2740 wrote to memory of 2900	2740	kpzpdi.exe	43
PID 2740 wrote to memory of 2900	2740	kpzpdi.exe	43
PID 2740 wrote to memory of 2900	2740	kpzpdi.exe	43

C:\Users\Admin\AppData\Local\Temp\cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe
"C:\Users\Admin\AppData\Local\Temp\cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xykedsbt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2376
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kpzpdi.exe" C:\Windows\SysWOW64\xykedsbt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1724
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xykedsbt binPath= "C:\Windows\SysWOW64\xykedsbt\kpzpdi.exe /d\"C:\Users\Admin\AppData\Local\Temp\cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2380
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xykedsbt "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2452
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xykedsbt
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3028
- 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:2748

C:\Windows\SysWOW64\xykedsbt\kpzpdi.exe
C:\Windows\SysWOW64\xykedsbt\kpzpdi.exe /d"C:\Users\Admin\AppData\Local\Temp\cd61ea8708b9c3c220abea2b04d5cc209fd8949d3b88575dab0289539b232f97.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
11.1MB

MD5
a42f63737222865a05590d14714022f8

SHA1
e0be1272f01a4de07b2d9de25312228a3644b1f3

SHA256
1d7c15961671069748088d6a20c7a52fec03b6b199cb671bdaf551da0d64c669

SHA512
3f1eaf57ceb61a6d194702fd5d338ccd4118c38a5801fcfb6ab2bb937e2f26bf41491275ba5380d1082f3bee09046fc7198620e0dc6eeeceab5ef6654bf77a0a

Download Submit
memory/2180-8-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/2180-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2180-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2180-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2180-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2180-1-0x0000000001B20000-0x0000000001C20000-memory.dmp

Filesize
1024KB

Download
memory/2740-17-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/2900-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2900-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2900-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2900-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2900-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads