tofsee | d322561afeb8e4953a33970d44b4d6df00479d61c6b8eed3cb6be8a7e7ef57e3

Analysis

max time kernel
144s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-01-2025 20:22

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General

Target

2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe
Size

10.7MB
MD5

f7e37203241990cb2daf5a06e0ac5b9c
SHA1

5887dc7c0997f274dc130d29a1fbdff2191a958c
SHA256

d322561afeb8e4953a33970d44b4d6df00479d61c6b8eed3cb6be8a7e7ef57e3
SHA512

cc3d27268fbc85c1af01023f3e5071bd01c40235006af28f2eca524108d2099a8195726c820f9facfcf1d562d760a866917e1b53f9a3924bfb0555e6c5b716b4
SSDEEP

6144:fLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQQ:ETYe+D2jFu+iZoUFhAz

Score

10^/10

tofsee discovery evasion 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

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\orzrbzag = "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
2556	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\orzrbzag\ImagePath = "C:\\Windows\\SysWOW64\\orzrbzag\\pjjaluln.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1924	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2540	pjjaluln.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2540 set thread context of 1924	2540	pjjaluln.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2660	sc.exe
2788	sc.exe
2712	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	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pjjaluln.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2692	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	31
PID 2772 wrote to memory of 2692	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	31
PID 2772 wrote to memory of 2692	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	31
PID 2772 wrote to memory of 2692	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	31
PID 2772 wrote to memory of 2648	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	33
PID 2772 wrote to memory of 2648	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	33
PID 2772 wrote to memory of 2648	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	33
PID 2772 wrote to memory of 2648	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	33
PID 2772 wrote to memory of 2660	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	35
PID 2772 wrote to memory of 2660	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	35
PID 2772 wrote to memory of 2660	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	35
PID 2772 wrote to memory of 2660	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	35
PID 2772 wrote to memory of 2788	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	37
PID 2772 wrote to memory of 2788	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	37
PID 2772 wrote to memory of 2788	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	37
PID 2772 wrote to memory of 2788	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	37
PID 2772 wrote to memory of 2712	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	39
PID 2772 wrote to memory of 2712	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	39
PID 2772 wrote to memory of 2712	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	39
PID 2772 wrote to memory of 2712	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	39
PID 2772 wrote to memory of 2556	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	42
PID 2772 wrote to memory of 2556	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	42
PID 2772 wrote to memory of 2556	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	42
PID 2772 wrote to memory of 2556	2772	2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe	42
PID 2540 wrote to memory of 1924	2540	pjjaluln.exe	44
PID 2540 wrote to memory of 1924	2540	pjjaluln.exe	44
PID 2540 wrote to memory of 1924	2540	pjjaluln.exe	44
PID 2540 wrote to memory of 1924	2540	pjjaluln.exe	44
PID 2540 wrote to memory of 1924	2540	pjjaluln.exe	44
PID 2540 wrote to memory of 1924	2540	pjjaluln.exe	44

C:\Users\Admin\AppData\Local\Temp\2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\orzrbzag\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2692
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pjjaluln.exe" C:\Windows\SysWOW64\orzrbzag\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2648
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create orzrbzag binPath= "C:\Windows\SysWOW64\orzrbzag\pjjaluln.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2660
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description orzrbzag "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start orzrbzag
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2712
- 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:2556

C:\Windows\SysWOW64\orzrbzag\pjjaluln.exe
C:\Windows\SysWOW64\orzrbzag\pjjaluln.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540
- 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:1924

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\pjjaluln.exe

Filesize
12.0MB

MD5
f0fc75b5d71090544593b10dddda8591

SHA1
7e25d9213b65fcea64324fe3d8019e2c27a45cbc

SHA256
e9f6f0343809f07261b6c1f0ab7bfb4a0f7fd69dcf76bf7a5d97c5a7c54a5213

SHA512
d5e90929ca48c2b27b0bf787830ef55ed00f4d62a5dba7963e0f0f8c0529e263b33d3cbe4c45e3a61a37bcbfa536f600c450a72ce8599ba5ccb96cb9d209cdac

Download Submit
memory/1924-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1924-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1924-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1924-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1924-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2540-17-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2772-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2772-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2772-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2772-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2772-7-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2772-1-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads