tofsee | 202dd7832900986abb5e8ccbaca0e676c09c46b2d06ecb9ab357cb353abb1569

Analysis

max time kernel
144s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 19:43

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General

Target

2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe
Size

12.5MB
MD5

7c45c2796d672fd762b2cd8d2106fc1a
SHA1

18118dc4da33f4712324a61472b80737d5222f58
SHA256

202dd7832900986abb5e8ccbaca0e676c09c46b2d06ecb9ab357cb353abb1569
SHA512

654c8c7144ca5c5e7399dc62b833ed32a3a7087bca41fa878810f68646c69fa71eab24061d7a1b90b3ce793f9e46eed231f77e342aa14bb04cd09e21f6e50ac0
SSDEEP

24576:MpomTTN9ttttttttttttttttttttttttttttttttttttttttttttttttttttttt/:ooo

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\jycvihm = "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
2816	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\jycvihm\ImagePath = "C:\\Windows\\SysWOW64\\jycvihm\\hygeojqe.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2156	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2740	hygeojqe.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2740 set thread context of 2156	2740	hygeojqe.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2408	sc.exe
2680	sc.exe
2748	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	hygeojqe.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	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 1364	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	31
PID 2312 wrote to memory of 1364	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	31
PID 2312 wrote to memory of 1364	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	31
PID 2312 wrote to memory of 1364	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	31
PID 2312 wrote to memory of 2300	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	33
PID 2312 wrote to memory of 2300	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	33
PID 2312 wrote to memory of 2300	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	33
PID 2312 wrote to memory of 2300	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	33
PID 2312 wrote to memory of 2408	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	35
PID 2312 wrote to memory of 2408	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	35
PID 2312 wrote to memory of 2408	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	35
PID 2312 wrote to memory of 2408	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	35
PID 2312 wrote to memory of 2680	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	37
PID 2312 wrote to memory of 2680	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	37
PID 2312 wrote to memory of 2680	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	37
PID 2312 wrote to memory of 2680	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	37
PID 2312 wrote to memory of 2748	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	39
PID 2312 wrote to memory of 2748	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	39
PID 2312 wrote to memory of 2748	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	39
PID 2312 wrote to memory of 2748	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	39
PID 2740 wrote to memory of 2156	2740	hygeojqe.exe	42
PID 2740 wrote to memory of 2156	2740	hygeojqe.exe	42
PID 2740 wrote to memory of 2156	2740	hygeojqe.exe	42
PID 2740 wrote to memory of 2156	2740	hygeojqe.exe	42
PID 2740 wrote to memory of 2156	2740	hygeojqe.exe	42
PID 2740 wrote to memory of 2156	2740	hygeojqe.exe	42
PID 2312 wrote to memory of 2816	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	43
PID 2312 wrote to memory of 2816	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	43
PID 2312 wrote to memory of 2816	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	43
PID 2312 wrote to memory of 2816	2312	2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jycvihm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1364
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hygeojqe.exe" C:\Windows\SysWOW64\jycvihm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2300
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jycvihm binPath= "C:\Windows\SysWOW64\jycvihm\hygeojqe.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2408
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jycvihm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2680
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jycvihm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2748
- 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:2816

C:\Windows\SysWOW64\jycvihm\hygeojqe.exe
C:\Windows\SysWOW64\jycvihm\hygeojqe.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_7c45c2796d672fd762b2cd8d2106fc1a_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2740
- 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:2156

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\hygeojqe.exe

Filesize
12.7MB

MD5
32d6412d830c05b98cb8eda33f114dfd

SHA1
e75e9fcebdf9ec62aa602cd2f86b52719ee49177

SHA256
4ed3657f9d4cd9065afd1427d680234e497f3a87c814019a206155a250007815

SHA512
f6f0df480282d7e6e4bb7f8b21189f9fce872255ff726f2bfe257849f55d2c4d9789214caee3f9b3662d957042e1c2821e1498130f41865c7bca0b8ace0f61ad

Download Submit
memory/2156-8-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2156-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2156-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2156-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2156-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2312-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2312-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2312-1-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download
memory/2312-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2312-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2312-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2740-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads