tofsee | 0fd46860fa68b2e1ab04ce983213eb847d10cf1579bce69780e8059015d6ed50

Analysis

max time kernel
145s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02-02-2025 19:50

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General

Target

2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe
Size

11.0MB
MD5

d0609b127ab371e7e8c2a7a9c1c125d3
SHA1

5e96aa8f0505ffc8252c6a5f0cf683785e941cba
SHA256

0fd46860fa68b2e1ab04ce983213eb847d10cf1579bce69780e8059015d6ed50
SHA512

ccb251f9592c738256d678085430ffd19c0bb55954f2a66d96f46229966911c96a41b5bde6e12c6b9018b8ca0bcc53650df6a66314f5e6cad684db4e366770af
SSDEEP

3072:0LBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:xOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\cprrrjtp = "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
2640	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\cprrrjtp\ImagePath = "C:\\Windows\\SysWOW64\\cprrrjtp\\ulhofeim.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2252	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2716	ulhofeim.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2716 set thread context of 2252	2716	ulhofeim.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2264	sc.exe
2756	sc.exe
2848	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 opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\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	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.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	ulhofeim.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 1724	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	31
PID 2536 wrote to memory of 1724	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	31
PID 2536 wrote to memory of 1724	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	31
PID 2536 wrote to memory of 1724	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	31
PID 2536 wrote to memory of 2360	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	33
PID 2536 wrote to memory of 2360	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	33
PID 2536 wrote to memory of 2360	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	33
PID 2536 wrote to memory of 2360	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	33
PID 2536 wrote to memory of 2264	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	35
PID 2536 wrote to memory of 2264	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	35
PID 2536 wrote to memory of 2264	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	35
PID 2536 wrote to memory of 2264	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	35
PID 2536 wrote to memory of 2756	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	37
PID 2536 wrote to memory of 2756	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	37
PID 2536 wrote to memory of 2756	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	37
PID 2536 wrote to memory of 2756	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	37
PID 2536 wrote to memory of 2848	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	39
PID 2536 wrote to memory of 2848	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	39
PID 2536 wrote to memory of 2848	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	39
PID 2536 wrote to memory of 2848	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	39
PID 2716 wrote to memory of 2252	2716	ulhofeim.exe	42
PID 2716 wrote to memory of 2252	2716	ulhofeim.exe	42
PID 2716 wrote to memory of 2252	2716	ulhofeim.exe	42
PID 2716 wrote to memory of 2252	2716	ulhofeim.exe	42
PID 2716 wrote to memory of 2252	2716	ulhofeim.exe	42
PID 2716 wrote to memory of 2252	2716	ulhofeim.exe	42
PID 2536 wrote to memory of 2640	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	43
PID 2536 wrote to memory of 2640	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	43
PID 2536 wrote to memory of 2640	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	43
PID 2536 wrote to memory of 2640	2536	2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cprrrjtp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1724
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ulhofeim.exe" C:\Windows\SysWOW64\cprrrjtp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2360
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cprrrjtp binPath= "C:\Windows\SysWOW64\cprrrjtp\ulhofeim.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2264
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description cprrrjtp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2756
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cprrrjtp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2848
- 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:2640

C:\Windows\SysWOW64\cprrrjtp\ulhofeim.exe
C:\Windows\SysWOW64\cprrrjtp\ulhofeim.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_d0609b127ab371e7e8c2a7a9c1c125d3_mafia.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:2252

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\ulhofeim.exe

Filesize
10.3MB

MD5
0dbdfd5acfc3ad7922fec862ba6c60a9

SHA1
7df4d59c518c6c5fac4ad7e7c89da6a38f361fff

SHA256
635f3acb034452e463ad28c07515b117cf9fec74c144e3383e1dc164c2413ee7

SHA512
08f40d8f8bffbf481233e88f9634b86fb74d57b24d3795a383c83e8533762f9a78ec7b3be4b52c0bf0cd494ce5384c988bb5b41e0c41de7b5a5818cfac99fab7

Download Submit
memory/2252-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2252-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2252-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2252-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2252-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2536-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2536-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2536-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/2536-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2536-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2536-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2716-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads