tofsee | 72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 00:32

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General

Target

72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe
Size

14.5MB
MD5

3cea8daf8028e2f9ef0663cdc9a6ca46
SHA1

ad06cbbe801ef56f3dbd4a61ad0f0f43845f4a4c
SHA256

72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35
SHA512

0851fab798606fd14a26d20a2e7f2b9074ed5e5b5e1ef0dd9d6217c4b87ddd197004ae10eba5d0e678dc213cc5edc826b72fb088e01762411b62a1d7b9c839e9
SSDEEP

196608:gOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOz:S

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\rplgdtfl = "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
2592	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\rplgdtfl\ImagePath = "C:\\Windows\\SysWOW64\\rplgdtfl\\kpomcirg.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2196	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2716	kpomcirg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2716 set thread context of 2196	2716	kpomcirg.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2440	sc.exe
2880	sc.exe
1872	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

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.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	kpomcirg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 576	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	31
PID 2376 wrote to memory of 576	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	31
PID 2376 wrote to memory of 576	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	31
PID 2376 wrote to memory of 576	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	31
PID 2376 wrote to memory of 2252	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	33
PID 2376 wrote to memory of 2252	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	33
PID 2376 wrote to memory of 2252	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	33
PID 2376 wrote to memory of 2252	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	33
PID 2376 wrote to memory of 1872	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	35
PID 2376 wrote to memory of 1872	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	35
PID 2376 wrote to memory of 1872	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	35
PID 2376 wrote to memory of 1872	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	35
PID 2376 wrote to memory of 2440	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	37
PID 2376 wrote to memory of 2440	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	37
PID 2376 wrote to memory of 2440	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	37
PID 2376 wrote to memory of 2440	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	37
PID 2376 wrote to memory of 2880	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	39
PID 2376 wrote to memory of 2880	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	39
PID 2376 wrote to memory of 2880	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	39
PID 2376 wrote to memory of 2880	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	39
PID 2376 wrote to memory of 2592	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	42
PID 2376 wrote to memory of 2592	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	42
PID 2376 wrote to memory of 2592	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	42
PID 2376 wrote to memory of 2592	2376	72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe	42
PID 2716 wrote to memory of 2196	2716	kpomcirg.exe	44
PID 2716 wrote to memory of 2196	2716	kpomcirg.exe	44
PID 2716 wrote to memory of 2196	2716	kpomcirg.exe	44
PID 2716 wrote to memory of 2196	2716	kpomcirg.exe	44
PID 2716 wrote to memory of 2196	2716	kpomcirg.exe	44
PID 2716 wrote to memory of 2196	2716	kpomcirg.exe	44

C:\Users\Admin\AppData\Local\Temp\72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe
"C:\Users\Admin\AppData\Local\Temp\72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rplgdtfl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:576
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kpomcirg.exe" C:\Windows\SysWOW64\rplgdtfl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2252
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create rplgdtfl binPath= "C:\Windows\SysWOW64\rplgdtfl\kpomcirg.exe /d\"C:\Users\Admin\AppData\Local\Temp\72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1872
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description rplgdtfl "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2440
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start rplgdtfl
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2880
- 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:2592

C:\Windows\SysWOW64\rplgdtfl\kpomcirg.exe
C:\Windows\SysWOW64\rplgdtfl\kpomcirg.exe /d"C:\Users\Admin\AppData\Local\Temp\72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2716
- 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:2196

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

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Downloads

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

Filesize
11.3MB

MD5
426f1c3d5a3abe624cac886ce77c8a1d

SHA1
fd759cd9890ba9687c9afb6c4463efdfaee5acf0

SHA256
18f0ba03c40211fc137fb74a825c6c7ef20643a69356e37d97e67905de189ab5

SHA512
a705fede52c1de0a39d7e8c8d615d86d808a1aab535fa09901d0af0d42074c62cd0c1e011036914133cb3402f066bfbd74f745a880990410fe441c40f3d5a5c8

Download Submit
memory/2196-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2196-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2196-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2196-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2196-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2376-1-0x0000000003380000-0x0000000003480000-memory.dmp

Filesize
1024KB

Download
memory/2376-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2376-4-0x0000000000400000-0x0000000002F11000-memory.dmp

Filesize
43.1MB

Download
memory/2376-8-0x0000000000400000-0x0000000002F11000-memory.dmp

Filesize
43.1MB

Download
memory/2376-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2716-14-0x0000000000400000-0x0000000002F11000-memory.dmp

Filesize
43.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads