tofsee | ddf834663f80601bbcb921d17ef5904d405a28ff68fbf21ce521794c0f4a34f4

Analysis

max time kernel
148s
max time network
117s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
17-01-2025 18:45

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General

Target

2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe
Size

13.2MB
MD5

02577feabbae5a6cced18fe55be24b83
SHA1

375768302cfbf7082178ba7f02cb1589d4c52667
SHA256

ddf834663f80601bbcb921d17ef5904d405a28ff68fbf21ce521794c0f4a34f4
SHA512

77c634c4b339387c0c16bc69f3c49dc1b2fbae3bc1a2ef78153d2b316710f285345692b646a9da1f0e6da7c7f8d33c421134a8b6cfefca7c239f74ffbaf025e8
SSDEEP

49152:oqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPn:oqtYc3

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\weepddum = "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
2756	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\weepddum\ImagePath = "C:\\Windows\\SysWOW64\\weepddum\\qtztitek.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2788	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2828	qtztitek.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2828 set thread context of 2788	2828	qtztitek.exe	40

Launches sc.exe 3 IoCs

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

pid	Process
2692	sc.exe
2808	sc.exe
2212	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	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qtztitek.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	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2776	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	29
PID 2532 wrote to memory of 2776	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	29
PID 2532 wrote to memory of 2776	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	29
PID 2532 wrote to memory of 2776	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	29
PID 2532 wrote to memory of 2368	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	31
PID 2532 wrote to memory of 2368	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	31
PID 2532 wrote to memory of 2368	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	31
PID 2532 wrote to memory of 2368	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	31
PID 2532 wrote to memory of 2692	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	33
PID 2532 wrote to memory of 2692	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	33
PID 2532 wrote to memory of 2692	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	33
PID 2532 wrote to memory of 2692	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	33
PID 2532 wrote to memory of 2808	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	35
PID 2532 wrote to memory of 2808	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	35
PID 2532 wrote to memory of 2808	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	35
PID 2532 wrote to memory of 2808	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	35
PID 2532 wrote to memory of 2212	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	37
PID 2532 wrote to memory of 2212	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	37
PID 2532 wrote to memory of 2212	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	37
PID 2532 wrote to memory of 2212	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	37
PID 2828 wrote to memory of 2788	2828	qtztitek.exe	40
PID 2828 wrote to memory of 2788	2828	qtztitek.exe	40
PID 2828 wrote to memory of 2788	2828	qtztitek.exe	40
PID 2828 wrote to memory of 2788	2828	qtztitek.exe	40
PID 2828 wrote to memory of 2788	2828	qtztitek.exe	40
PID 2828 wrote to memory of 2788	2828	qtztitek.exe	40
PID 2532 wrote to memory of 2756	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	41
PID 2532 wrote to memory of 2756	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	41
PID 2532 wrote to memory of 2756	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	41
PID 2532 wrote to memory of 2756	2532	2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe	41

C:\Users\Admin\AppData\Local\Temp\2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\weepddum\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2776
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qtztitek.exe" C:\Windows\SysWOW64\weepddum\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2368
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create weepddum binPath= "C:\Windows\SysWOW64\weepddum\qtztitek.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2692
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description weepddum "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2808
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start weepddum
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2212
- 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:2756

C:\Windows\SysWOW64\weepddum\qtztitek.exe
C:\Windows\SysWOW64\weepddum\qtztitek.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-17_02577feabbae5a6cced18fe55be24b83_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2828
- 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:2788

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\qtztitek.exe

Filesize
12.7MB

MD5
92e398ff46d606196cf864e83cd93182

SHA1
1163e07c89d1fa8454e7347bfb44188f69cb671d

SHA256
5bda9c13c53fb94b710586236c1e11e4099409a85ccdf95e8506aac5647e0f67

SHA512
035cbcda243bffd207d051c7c23d3a9a6fe55e7e62045074999ca43682d876bca017bc60ba31cffe69115dc55a2443964f2cfe5a9d8596f7fe6c8b66ac619d83

Download Submit
memory/2532-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2532-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2532-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2532-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2532-1-0x0000000002F40000-0x0000000003040000-memory.dmp

Filesize
1024KB

Download
memory/2532-14-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2788-11-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2788-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2788-8-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2788-17-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2788-18-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2828-12-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads