tofsee | d42784f3215554b90c84380cbaec443685eeb15b109d170a935a7d6352bf66a3

Analysis

max time kernel
144s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 08:42

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General

Target

2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe
Size

13.7MB
MD5

19d42f70cf2a641da8785c91e58511dc
SHA1

f5586aeaf12a883d755b214f70651cdd74b574b2
SHA256

d42784f3215554b90c84380cbaec443685eeb15b109d170a935a7d6352bf66a3
SHA512

5e565ed3a87500568d4e9c79d72632844e45794b211b807e7a154a9380e073ee9969c8b046e5c4d06425d4370b9f6281b8674aa84412834ccdd43a09b1fac6a5
SSDEEP

3072:FLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:oOMdRQr7OB0ypmMXnl8XEPM3noSWOC

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

43.231.4.7

lazystax.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

defense_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\zebzabmp = "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

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2912	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\zebzabmp\ImagePath = "C:\\Windows\\SysWOW64\\zebzabmp\\hkqkzkvb.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2732	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2840	hkqkzkvb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2840 set thread context of 2732	2840	hkqkzkvb.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2744	sc.exe
2496	sc.exe
2296	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.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	hkqkzkvb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 2572	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	30
PID 2404 wrote to memory of 2572	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	30
PID 2404 wrote to memory of 2572	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	30
PID 2404 wrote to memory of 2572	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	30
PID 2404 wrote to memory of 2400	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	32
PID 2404 wrote to memory of 2400	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	32
PID 2404 wrote to memory of 2400	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	32
PID 2404 wrote to memory of 2400	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	32
PID 2404 wrote to memory of 2496	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	34
PID 2404 wrote to memory of 2496	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	34
PID 2404 wrote to memory of 2496	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	34
PID 2404 wrote to memory of 2496	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	34
PID 2404 wrote to memory of 2296	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	36
PID 2404 wrote to memory of 2296	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	36
PID 2404 wrote to memory of 2296	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	36
PID 2404 wrote to memory of 2296	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	36
PID 2404 wrote to memory of 2744	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	38
PID 2404 wrote to memory of 2744	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	38
PID 2404 wrote to memory of 2744	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	38
PID 2404 wrote to memory of 2744	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	38
PID 2840 wrote to memory of 2732	2840	hkqkzkvb.exe	41
PID 2840 wrote to memory of 2732	2840	hkqkzkvb.exe	41
PID 2840 wrote to memory of 2732	2840	hkqkzkvb.exe	41
PID 2840 wrote to memory of 2732	2840	hkqkzkvb.exe	41
PID 2840 wrote to memory of 2732	2840	hkqkzkvb.exe	41
PID 2840 wrote to memory of 2732	2840	hkqkzkvb.exe	41
PID 2404 wrote to memory of 2912	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	42
PID 2404 wrote to memory of 2912	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	42
PID 2404 wrote to memory of 2912	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	42
PID 2404 wrote to memory of 2912	2404	2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zebzabmp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2572
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hkqkzkvb.exe" C:\Windows\SysWOW64\zebzabmp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2400
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zebzabmp binPath= "C:\Windows\SysWOW64\zebzabmp\hkqkzkvb.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2496
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zebzabmp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2296
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zebzabmp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2744
- 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:2912

C:\Windows\SysWOW64\zebzabmp\hkqkzkvb.exe
C:\Windows\SysWOW64\zebzabmp\hkqkzkvb.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_19d42f70cf2a641da8785c91e58511dc_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2840
- 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:2732

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\hkqkzkvb.exe

Filesize
13.4MB

MD5
6dcd7f6e3a43578aee556dff3a8decd9

SHA1
f2ba401714247738b22c5352a39317ade3661c5e

SHA256
558c15253f777f812d78b944e25765f47cc29e38f93f8ca5b1abf165eee75078

SHA512
e2ed042f3ec21176c7069aa7b5cf3f46bb24d78c2b41b845d8b99ae1b1ce89355cdd22fe5c2bba48d546a1b66488828a2024694c44e03c60b028f73ff1884e99

Download Submit
memory/2404-16-0x0000000000890000-0x0000000000990000-memory.dmp

Filesize
1024KB

Download
memory/2404-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2404-3-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2404-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2404-1-0x0000000000890000-0x0000000000990000-memory.dmp

Filesize
1024KB

Download
memory/2404-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2732-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2732-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2732-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2732-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2732-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2840-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads