tofsee | 0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad

Analysis

max time kernel
59s
max time network
59s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 19:53

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General

Target

0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe
Size

12.1MB
MD5

303f6e51c43fac701d5f42ef5bf75390
SHA1

8579db92117e98aab6ea6c8386044b9dac29f751
SHA256

0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad
SHA512

0ef6f8304325be021264f08f7458dc7ef01c65ab8ee9b64455a27af47bbff9177648e5b6c4c2bb1d29e42205ff20987836ec32ffd23f5fd4c22bd4570e57689d
SSDEEP

6144:vZDhTWrhgUaxjFftGu35QZ+2PPFGrGuislc03r:vZDhTWrhgUWFfMuP0FGqb/0

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
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
2608	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\ipsniaiy\ImagePath = "C:\\Windows\\SysWOW64\\ipsniaiy\\hkdljltd.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
568	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2572	hkdljltd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2572 set thread context of 568	2572	hkdljltd.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2592	sc.exe
2580	sc.exe
2612	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	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.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	hkdljltd.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2764	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	30
PID 2664 wrote to memory of 2764	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	30
PID 2664 wrote to memory of 2764	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	30
PID 2664 wrote to memory of 2764	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	30
PID 2664 wrote to memory of 2816	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	32
PID 2664 wrote to memory of 2816	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	32
PID 2664 wrote to memory of 2816	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	32
PID 2664 wrote to memory of 2816	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	32
PID 2664 wrote to memory of 2592	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	34
PID 2664 wrote to memory of 2592	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	34
PID 2664 wrote to memory of 2592	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	34
PID 2664 wrote to memory of 2592	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	34
PID 2664 wrote to memory of 2580	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	36
PID 2664 wrote to memory of 2580	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	36
PID 2664 wrote to memory of 2580	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	36
PID 2664 wrote to memory of 2580	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	36
PID 2664 wrote to memory of 2612	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	38
PID 2664 wrote to memory of 2612	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	38
PID 2664 wrote to memory of 2612	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	38
PID 2664 wrote to memory of 2612	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	38
PID 2664 wrote to memory of 2608	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	41
PID 2664 wrote to memory of 2608	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	41
PID 2664 wrote to memory of 2608	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	41
PID 2664 wrote to memory of 2608	2664	0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe	41
PID 2572 wrote to memory of 568	2572	hkdljltd.exe	43
PID 2572 wrote to memory of 568	2572	hkdljltd.exe	43
PID 2572 wrote to memory of 568	2572	hkdljltd.exe	43
PID 2572 wrote to memory of 568	2572	hkdljltd.exe	43
PID 2572 wrote to memory of 568	2572	hkdljltd.exe	43
PID 2572 wrote to memory of 568	2572	hkdljltd.exe	43

C:\Users\Admin\AppData\Local\Temp\0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe
"C:\Users\Admin\AppData\Local\Temp\0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ipsniaiy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2764
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hkdljltd.exe" C:\Windows\SysWOW64\ipsniaiy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2816
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ipsniaiy binPath= "C:\Windows\SysWOW64\ipsniaiy\hkdljltd.exe /d\"C:\Users\Admin\AppData\Local\Temp\0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2592
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ipsniaiy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2580
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ipsniaiy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2612
- 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:2608

C:\Windows\SysWOW64\ipsniaiy\hkdljltd.exe
C:\Windows\SysWOW64\ipsniaiy\hkdljltd.exe /d"C:\Users\Admin\AppData\Local\Temp\0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:568

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

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\hkdljltd.exe

Filesize
10.5MB

MD5
8a4d1075dfd17fedfd11ef6ee1a2426c

SHA1
ff7ccbf841c3114cd596a1cdf34e3ef86d2fc7cb

SHA256
c247d247317a8e48bbd7335df118378aa00b1f8eb3fb763e8d9b41147baad019

SHA512
b8baa659cf23fe7792750e96aa1c6026dedc0cd8d083ff7abcfdb9090cdce412090c28b1df6262fab2bc5ee5ceb4f4752b8adfeeaacd2b8956fd3a1a79074d90

Download Submit
memory/568-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/568-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/568-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/568-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/568-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/568-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2572-15-0x0000000000400000-0x0000000000878000-memory.dmp

Filesize
4.5MB

Download
memory/2664-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2664-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2664-10-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2664-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2664-8-0x0000000000400000-0x0000000000878000-memory.dmp

Filesize
4.5MB

Download
memory/2664-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads