tofsee | a21cf982259a4e11dae815314ca1f22ab6bf0b8741da75484483708a7a5653e1

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/09/2024, 10:11

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General

Target

00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe
Size

11.6MB
MD5

f97ac5a687cc94db960df62fb910a74a
SHA1

24b5c7775506327081ea3ed0093c62d938dd50e4
SHA256

00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954
SHA512

ab81fd40d42ad8dd102b48906d5fba078360001cb300743b8e90849bc38d22f40302b6e26ee5d45f0b6bf1bd082e0293adee78ed3e21668c3c55b014d9746c0b
SSDEEP

196608:QPHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHn:Q

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan 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\ngwkglic = "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
2768	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\ngwkglic\ImagePath = "C:\\Windows\\SysWOW64\\ngwkglic\\ipnydyma.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2664	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2980	ipnydyma.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2980 set thread context of 2664	2980	ipnydyma.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2996	sc.exe
2856	sc.exe
2896	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipnydyma.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 3064	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	29
PID 3060 wrote to memory of 3064	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	29
PID 3060 wrote to memory of 3064	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	29
PID 3060 wrote to memory of 3064	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	29
PID 3060 wrote to memory of 2132	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	31
PID 3060 wrote to memory of 2132	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	31
PID 3060 wrote to memory of 2132	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	31
PID 3060 wrote to memory of 2132	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	31
PID 3060 wrote to memory of 2896	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	33
PID 3060 wrote to memory of 2896	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	33
PID 3060 wrote to memory of 2896	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	33
PID 3060 wrote to memory of 2896	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	33
PID 3060 wrote to memory of 2996	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	35
PID 3060 wrote to memory of 2996	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	35
PID 3060 wrote to memory of 2996	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	35
PID 3060 wrote to memory of 2996	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	35
PID 3060 wrote to memory of 2856	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	37
PID 3060 wrote to memory of 2856	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	37
PID 3060 wrote to memory of 2856	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	37
PID 3060 wrote to memory of 2856	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	37
PID 3060 wrote to memory of 2768	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	39
PID 3060 wrote to memory of 2768	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	39
PID 3060 wrote to memory of 2768	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	39
PID 3060 wrote to memory of 2768	3060	00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe	39
PID 2980 wrote to memory of 2664	2980	ipnydyma.exe	42
PID 2980 wrote to memory of 2664	2980	ipnydyma.exe	42
PID 2980 wrote to memory of 2664	2980	ipnydyma.exe	42
PID 2980 wrote to memory of 2664	2980	ipnydyma.exe	42
PID 2980 wrote to memory of 2664	2980	ipnydyma.exe	42
PID 2980 wrote to memory of 2664	2980	ipnydyma.exe	42

C:\Users\Admin\AppData\Local\Temp\00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe
"C:\Users\Admin\AppData\Local\Temp\00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3060
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ngwkglic\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ipnydyma.exe" C:\Windows\SysWOW64\ngwkglic\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2132
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ngwkglic binPath= "C:\Windows\SysWOW64\ngwkglic\ipnydyma.exe /d\"C:\Users\Admin\AppData\Local\Temp\00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2896
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ngwkglic "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2996
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ngwkglic
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2856
- 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:2768

C:\Windows\SysWOW64\ngwkglic\ipnydyma.exe
C:\Windows\SysWOW64\ngwkglic\ipnydyma.exe /d"C:\Users\Admin\AppData\Local\Temp\00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2980
- 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:2664

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\ipnydyma.exe

Filesize
14.7MB

MD5
4e692363a62b6c97f245c4846cdd243a

SHA1
69dcb3a6e6eb83b7de0a83e4a19674184458ecd5

SHA256
0a2c5be056eb8bcdd18064c8cd47498794e44e1b2399cf0294a1ed12cb884fe6

SHA512
bbc438f69ecbcde57a49242043018d7ef1a5f14cc62efbdf4dc18f837aeed1ce38ca981acbf198e88c4ba207aedeb11d4df93448277958f861558a11896c306b

Download Submit
memory/2664-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2664-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2664-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2664-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2664-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2980-16-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/3060-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3060-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3060-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3060-7-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3060-6-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/3060-1-0x0000000000CD0000-0x0000000000DD0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads