tofsee | c9e677a87b6a4d3ab39c03c0a98d08ba570a404d193df65861d88a9498e01d4c

Analysis

max time kernel
148s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 19:13

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General

Target

2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe
Size

10.4MB
MD5

e33c48ea024407d4d7db2d6d0255b5b9
SHA1

231bed3cab85e304f71a33c4c242871117bc9c0e
SHA256

c9e677a87b6a4d3ab39c03c0a98d08ba570a404d193df65861d88a9498e01d4c
SHA512

2150bbd1811bd040d921ecc1120a51bd5a8aef0cc63df734e8de63c1b15fae6b850cc302c9bb1488f5bad30927c975521b22733b658f88616d899690a6f5cefe
SSDEEP

49152:CVdrl/8HAzGCbGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGm:CVdrl/9zG

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\xtdppomw = "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\xtdppomw\ImagePath = "C:\\Windows\\SysWOW64\\xtdppomw\\jhokjsqh.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2712	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2704	jhokjsqh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2704 set thread context of 2712	2704	jhokjsqh.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
3000	sc.exe
2316	sc.exe
2692	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	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.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	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jhokjsqh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 1156	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	31
PID 1796 wrote to memory of 1156	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	31
PID 1796 wrote to memory of 1156	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	31
PID 1796 wrote to memory of 1156	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	31
PID 1796 wrote to memory of 748	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	33
PID 1796 wrote to memory of 748	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	33
PID 1796 wrote to memory of 748	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	33
PID 1796 wrote to memory of 748	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	33
PID 1796 wrote to memory of 2316	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	35
PID 1796 wrote to memory of 2316	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	35
PID 1796 wrote to memory of 2316	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	35
PID 1796 wrote to memory of 2316	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	35
PID 1796 wrote to memory of 2692	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	37
PID 1796 wrote to memory of 2692	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	37
PID 1796 wrote to memory of 2692	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	37
PID 1796 wrote to memory of 2692	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	37
PID 1796 wrote to memory of 3000	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	39
PID 1796 wrote to memory of 3000	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	39
PID 1796 wrote to memory of 3000	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	39
PID 1796 wrote to memory of 3000	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	39
PID 1796 wrote to memory of 2556	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	42
PID 1796 wrote to memory of 2556	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	42
PID 1796 wrote to memory of 2556	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	42
PID 1796 wrote to memory of 2556	1796	2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe	42
PID 2704 wrote to memory of 2712	2704	jhokjsqh.exe	44
PID 2704 wrote to memory of 2712	2704	jhokjsqh.exe	44
PID 2704 wrote to memory of 2712	2704	jhokjsqh.exe	44
PID 2704 wrote to memory of 2712	2704	jhokjsqh.exe	44
PID 2704 wrote to memory of 2712	2704	jhokjsqh.exe	44
PID 2704 wrote to memory of 2712	2704	jhokjsqh.exe	44

C:\Users\Admin\AppData\Local\Temp\2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xtdppomw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1156
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jhokjsqh.exe" C:\Windows\SysWOW64\xtdppomw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:748
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xtdppomw binPath= "C:\Windows\SysWOW64\xtdppomw\jhokjsqh.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2316
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xtdppomw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2692
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xtdppomw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3000
- 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\xtdppomw\jhokjsqh.exe
C:\Windows\SysWOW64\xtdppomw\jhokjsqh.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-10_e33c48ea024407d4d7db2d6d0255b5b9_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704
- 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:2712

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\jhokjsqh.exe

Filesize
13.9MB

MD5
6eeb6d3e9cf1b07fa86b2d0477653b16

SHA1
51824f7d76d80d8981bb4a3b2c32d7d7950c43b0

SHA256
793763e0a4c37718e7e4cdba3271f6860f9a0097e82d5f5c8ffe48368672a5d7

SHA512
02e728e8a2e81a65cbc372c504514a0d3c11da88eb11ccd5cb2ac07aad9699510023c92ad2aa46a84a6e50c6296ceb0c4cb90d1e29eb606971a7dd06b4029436

Download Submit
memory/1796-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1796-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1796-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1796-7-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/1796-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1796-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/2704-15-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/2712-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2712-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2712-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2712-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2712-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads