tofsee | b7386e0050452f12db270edb540853a2b10a005609671d2d5f087bbd7b153f2d

Analysis

max time kernel
148s
max time network
136s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-02-2025 21:21

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General

Target

2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe
Size

13.9MB
MD5

aae43fa6b3f27f8df9ff8854a839c4fe
SHA1

7a8672db1d7c3a75162f76190b90a85a7bb02f60
SHA256

b7386e0050452f12db270edb540853a2b10a005609671d2d5f087bbd7b153f2d
SHA512

20153e2d44d9863db43b2db057fdd7fc553f17a3eeeba35c9d8bbd13f37f6744e4cb22334f62831cc05fe28e02b40b1ee658152be15512e1d2d2938b872ba689
SSDEEP

49152:bqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:bqtYc3

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\qhgmkiso = "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
3028	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\qhgmkiso\ImagePath = "C:\\Windows\\SysWOW64\\qhgmkiso\\cpbyrejt.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2056	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2788	cpbyrejt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2788 set thread context of 2056	2788	cpbyrejt.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
636	sc.exe
2032	sc.exe
2932	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	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_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	svchost.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cpbyrejt.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 2912	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	30
PID 2576 wrote to memory of 2912	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	30
PID 2576 wrote to memory of 2912	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	30
PID 2576 wrote to memory of 2912	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	30
PID 2576 wrote to memory of 2980	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	32
PID 2576 wrote to memory of 2980	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	32
PID 2576 wrote to memory of 2980	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	32
PID 2576 wrote to memory of 2980	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	32
PID 2576 wrote to memory of 2032	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	34
PID 2576 wrote to memory of 2032	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	34
PID 2576 wrote to memory of 2032	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	34
PID 2576 wrote to memory of 2032	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	34
PID 2576 wrote to memory of 2932	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	36
PID 2576 wrote to memory of 2932	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	36
PID 2576 wrote to memory of 2932	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	36
PID 2576 wrote to memory of 2932	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	36
PID 2576 wrote to memory of 636	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	38
PID 2576 wrote to memory of 636	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	38
PID 2576 wrote to memory of 636	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	38
PID 2576 wrote to memory of 636	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	38
PID 2576 wrote to memory of 3028	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	40
PID 2576 wrote to memory of 3028	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	40
PID 2576 wrote to memory of 3028	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	40
PID 2576 wrote to memory of 3028	2576	2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe	40
PID 2788 wrote to memory of 2056	2788	cpbyrejt.exe	43
PID 2788 wrote to memory of 2056	2788	cpbyrejt.exe	43
PID 2788 wrote to memory of 2056	2788	cpbyrejt.exe	43
PID 2788 wrote to memory of 2056	2788	cpbyrejt.exe	43
PID 2788 wrote to memory of 2056	2788	cpbyrejt.exe	43
PID 2788 wrote to memory of 2056	2788	cpbyrejt.exe	43

C:\Users\Admin\AppData\Local\Temp\2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2576
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qhgmkiso\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2912
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\cpbyrejt.exe" C:\Windows\SysWOW64\qhgmkiso\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2980
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qhgmkiso binPath= "C:\Windows\SysWOW64\qhgmkiso\cpbyrejt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2032
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qhgmkiso "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2932
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qhgmkiso
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:636
- 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:3028

C:\Windows\SysWOW64\qhgmkiso\cpbyrejt.exe
C:\Windows\SysWOW64\qhgmkiso\cpbyrejt.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_aae43fa6b3f27f8df9ff8854a839c4fe_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2788
- 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:2056

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\cpbyrejt.exe

Filesize
13.7MB

MD5
63dcaac1b381fa7e88d8cd2e4cdd8d74

SHA1
c30c822977803bfab85a9ff37961517bd74c8311

SHA256
e1df3fe8c0ae2b0705699516b26e6cc71c741e05c56922378d1a0c608d8c399c

SHA512
484379fcf1f922c65e2bbd8ad204344fe11422e3f3bf6d5959b2d84c3efae0945a66175b86fd8daa8607f1189022d4cc9cb04752a275af724395a500c1bd6451

Download Submit
memory/2056-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2056-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2056-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2056-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2056-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2576-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2576-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2576-6-0x0000000002F00000-0x0000000003000000-memory.dmp

Filesize
1024KB

Download
memory/2576-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2576-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2576-7-0x0000000000400000-0x0000000002DC3000-memory.dmp

Filesize
41.8MB

Download
memory/2576-1-0x0000000002F00000-0x0000000003000000-memory.dmp

Filesize
1024KB

Download
memory/2788-17-0x0000000000400000-0x0000000002DC3000-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