tofsee | 265ffea54849c994a104677a3cce912cbc979ebf58b98599b00da9e759dbed8a

Analysis

max time kernel
144s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:32

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General

Target

2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe
Size

12.2MB
MD5

84fe59d44f9a6e0942fda7bbbc3a5fe0
SHA1

39533cc2dca106d69a52b277f4e234a6ee16b6cf
SHA256

265ffea54849c994a104677a3cce912cbc979ebf58b98599b00da9e759dbed8a
SHA512

d83289f9f01524a2605cc9c5fdb1d6fb0dbece566604011126d15d56151ced23eef6463c7416e1d8705797a3b993ca816e0a2960d9929f2cbcda0f26f623c701
SSDEEP

3072:rLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:SOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\kjmrpzei = "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
2904	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\kjmrpzei\ImagePath = "C:\\Windows\\SysWOW64\\kjmrpzei\\ttufabzh.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2628	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2780	ttufabzh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2780 set thread context of 2628	2780	ttufabzh.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
264	sc.exe
2484	sc.exe
2728	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	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	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ttufabzh.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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2164	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	30
PID 2440 wrote to memory of 2164	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	30
PID 2440 wrote to memory of 2164	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	30
PID 2440 wrote to memory of 2164	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	30
PID 2440 wrote to memory of 2336	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	32
PID 2440 wrote to memory of 2336	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	32
PID 2440 wrote to memory of 2336	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	32
PID 2440 wrote to memory of 2336	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	32
PID 2440 wrote to memory of 264	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	34
PID 2440 wrote to memory of 264	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	34
PID 2440 wrote to memory of 264	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	34
PID 2440 wrote to memory of 264	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	34
PID 2440 wrote to memory of 2484	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	36
PID 2440 wrote to memory of 2484	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	36
PID 2440 wrote to memory of 2484	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	36
PID 2440 wrote to memory of 2484	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	36
PID 2440 wrote to memory of 2728	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	38
PID 2440 wrote to memory of 2728	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	38
PID 2440 wrote to memory of 2728	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	38
PID 2440 wrote to memory of 2728	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	38
PID 2440 wrote to memory of 2904	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	41
PID 2440 wrote to memory of 2904	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	41
PID 2440 wrote to memory of 2904	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	41
PID 2440 wrote to memory of 2904	2440	2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe	41
PID 2780 wrote to memory of 2628	2780	ttufabzh.exe	43
PID 2780 wrote to memory of 2628	2780	ttufabzh.exe	43
PID 2780 wrote to memory of 2628	2780	ttufabzh.exe	43
PID 2780 wrote to memory of 2628	2780	ttufabzh.exe	43
PID 2780 wrote to memory of 2628	2780	ttufabzh.exe	43
PID 2780 wrote to memory of 2628	2780	ttufabzh.exe	43

C:\Users\Admin\AppData\Local\Temp\2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kjmrpzei\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2164
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ttufabzh.exe" C:\Windows\SysWOW64\kjmrpzei\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2336
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create kjmrpzei binPath= "C:\Windows\SysWOW64\kjmrpzei\ttufabzh.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:264
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description kjmrpzei "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2484
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start kjmrpzei
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2728
- 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:2904

C:\Windows\SysWOW64\kjmrpzei\ttufabzh.exe
C:\Windows\SysWOW64\kjmrpzei\ttufabzh.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-30_84fe59d44f9a6e0942fda7bbbc3a5fe0_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780
- 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:2628

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\ttufabzh.exe

Filesize
14.9MB

MD5
2cc302706f39bccc5e13507680faf44f

SHA1
acd7bf8ffdfde5108010e6a18476e16dd0b6c5e3

SHA256
701ea75b7c7ca3573e7f881b266d400af81230e56a9126bf7cd84cb61110fa87

SHA512
5091a159f7fcb1526706ceb81a3c3ddfc3f2ad9ae49bbbe0c45050cf4965127f49876a5ebbf1012cab3877bda313ba11794127bef32d2881df3450da10e5737a

Download Submit
memory/2440-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2440-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2440-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2440-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2440-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2440-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/2628-16-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2628-14-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2628-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-11-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2628-18-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2780-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads