tofsee | 821d32ec3b1096bab5043eb2a972bdd0bad4335ec556347d6bbcc5a7d876f46a

Analysis

max time kernel
145s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 18:54

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General

Target

2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe
Size

12.3MB
MD5

b137c1122cdf7928ea36ec3683589cce
SHA1

b68d7899b7a539407f887889c55045d477926acd
SHA256

821d32ec3b1096bab5043eb2a972bdd0bad4335ec556347d6bbcc5a7d876f46a
SHA512

622594adfbf65e7cc3f844fd3d5d3ca3eb0a70330eaa3d1736d7349c2c5041229b48a622d30ef3e6edf2e25812d4f415d8357416e35cf1421985c1c27a3531ba
SSDEEP

393216:5XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:

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\poqjjgfg = "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
2592	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\poqjjgfg\ImagePath = "C:\\Windows\\SysWOW64\\poqjjgfg\\mdljtovj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1920	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2576	mdljtovj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2576 set thread context of 1920	2576	mdljtovj.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2600	sc.exe
2748	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 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mdljtovj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 2824	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	30
PID 2680 wrote to memory of 2824	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	30
PID 2680 wrote to memory of 2824	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	30
PID 2680 wrote to memory of 2824	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	30
PID 2680 wrote to memory of 2472	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	32
PID 2680 wrote to memory of 2472	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	32
PID 2680 wrote to memory of 2472	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	32
PID 2680 wrote to memory of 2472	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	32
PID 2680 wrote to memory of 2612	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	34
PID 2680 wrote to memory of 2612	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	34
PID 2680 wrote to memory of 2612	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	34
PID 2680 wrote to memory of 2612	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	34
PID 2680 wrote to memory of 2600	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	36
PID 2680 wrote to memory of 2600	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	36
PID 2680 wrote to memory of 2600	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	36
PID 2680 wrote to memory of 2600	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	36
PID 2680 wrote to memory of 2748	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	38
PID 2680 wrote to memory of 2748	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	38
PID 2680 wrote to memory of 2748	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	38
PID 2680 wrote to memory of 2748	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	38
PID 2680 wrote to memory of 2592	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	41
PID 2680 wrote to memory of 2592	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	41
PID 2680 wrote to memory of 2592	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	41
PID 2680 wrote to memory of 2592	2680	2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe	41
PID 2576 wrote to memory of 1920	2576	mdljtovj.exe	43
PID 2576 wrote to memory of 1920	2576	mdljtovj.exe	43
PID 2576 wrote to memory of 1920	2576	mdljtovj.exe	43
PID 2576 wrote to memory of 1920	2576	mdljtovj.exe	43
PID 2576 wrote to memory of 1920	2576	mdljtovj.exe	43
PID 2576 wrote to memory of 1920	2576	mdljtovj.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\poqjjgfg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2824
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mdljtovj.exe" C:\Windows\SysWOW64\poqjjgfg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2472
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create poqjjgfg binPath= "C:\Windows\SysWOW64\poqjjgfg\mdljtovj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2612
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description poqjjgfg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2600
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start poqjjgfg
  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:2592

C:\Windows\SysWOW64\poqjjgfg\mdljtovj.exe
C:\Windows\SysWOW64\poqjjgfg\mdljtovj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-25_b137c1122cdf7928ea36ec3683589cce_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2576
- 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:1920

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\mdljtovj.exe

Filesize
10.3MB

MD5
1585838a1452d30f4fcf025bb24bf30e

SHA1
61361543e7a630c1c886c011d80018b9b2379581

SHA256
7f8cdecf67c207c68156e2abf37e0b0b560f1a3beab472c51880056837e853fc

SHA512
459aa3c3c3f2b4bc77ab72ce9d515e2e3c6b74579d86367cb3c404a559312116bcb50b63826ff6f9cbfd57e7e6f4e05d6820e95485d78845a8da46733d02832c

Download Submit
memory/1920-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1920-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1920-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1920-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1920-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2576-18-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2680-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2680-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2680-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2680-9-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2680-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2680-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2680-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads