tofsee | 139e64db57e15d0129b764d51604e08ca03cfca2ec62965f6f7dba5c43f3c62b

Analysis

max time kernel
144s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-12-2024 20:08

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General

Target

2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe
Size

10.6MB
MD5

d55d1fc9e60b3b9cca5780f42e834ca4
SHA1

2426924cb0e0e6097d9132075aed054bc991a81a
SHA256

139e64db57e15d0129b764d51604e08ca03cfca2ec62965f6f7dba5c43f3c62b
SHA512

7350626f10fb4c5898f2e32dbf35c886f132d717e4d60293a70117b4efffae9e33f2b77c461ec67dc4ea896d1ae309354b32fdbd45a17e65b996b2c9d12eaf44
SSDEEP

3072:/LBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:2OMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\blzxfgru = "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
2692	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\blzxfgru\ImagePath = "C:\\Windows\\SysWOW64\\blzxfgru\\qlphxiki.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2572	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2816	qlphxiki.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2816 set thread context of 2572	2816	qlphxiki.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2904	sc.exe
3000	sc.exe
2592	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	qlphxiki.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2856	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	30
PID 2664 wrote to memory of 2856	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	30
PID 2664 wrote to memory of 2856	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	30
PID 2664 wrote to memory of 2856	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	30
PID 2664 wrote to memory of 2836	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	32
PID 2664 wrote to memory of 2836	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	32
PID 2664 wrote to memory of 2836	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	32
PID 2664 wrote to memory of 2836	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	32
PID 2664 wrote to memory of 2904	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	34
PID 2664 wrote to memory of 2904	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	34
PID 2664 wrote to memory of 2904	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	34
PID 2664 wrote to memory of 2904	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	34
PID 2664 wrote to memory of 3000	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	36
PID 2664 wrote to memory of 3000	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	36
PID 2664 wrote to memory of 3000	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	36
PID 2664 wrote to memory of 3000	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	36
PID 2664 wrote to memory of 2592	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	38
PID 2664 wrote to memory of 2592	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	38
PID 2664 wrote to memory of 2592	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	38
PID 2664 wrote to memory of 2592	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	38
PID 2816 wrote to memory of 2572	2816	qlphxiki.exe	41
PID 2816 wrote to memory of 2572	2816	qlphxiki.exe	41
PID 2816 wrote to memory of 2572	2816	qlphxiki.exe	41
PID 2816 wrote to memory of 2572	2816	qlphxiki.exe	41
PID 2816 wrote to memory of 2572	2816	qlphxiki.exe	41
PID 2816 wrote to memory of 2572	2816	qlphxiki.exe	41
PID 2664 wrote to memory of 2692	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	42
PID 2664 wrote to memory of 2692	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	42
PID 2664 wrote to memory of 2692	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	42
PID 2664 wrote to memory of 2692	2664	2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe	42

C:\Users\Admin\AppData\Local\Temp\2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\blzxfgru\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2856
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qlphxiki.exe" C:\Windows\SysWOW64\blzxfgru\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2836
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create blzxfgru binPath= "C:\Windows\SysWOW64\blzxfgru\qlphxiki.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2904
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description blzxfgru "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3000
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start blzxfgru
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2592
- 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:2692

C:\Windows\SysWOW64\blzxfgru\qlphxiki.exe
C:\Windows\SysWOW64\blzxfgru\qlphxiki.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-27_d55d1fc9e60b3b9cca5780f42e834ca4_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- 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:2572

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\qlphxiki.exe

Filesize
14.3MB

MD5
a608b9a194149be80c3758c55a4d631e

SHA1
7475d3d4a9d62531abb0abff88b083dcc054ec9c

SHA256
e2dc680a78f9ebd863095c3a32670b7ebca360f0e45fe166e19c8b1c85309770

SHA512
425fd8b396486bebdce2ef7b6e4d249f9484133991c0e44ad98abc67a4c948ba63c4b848d31ed34e4dfb957721a7c1f40b53e4f630f9e5129a686c249cabc8b4

Download Submit
memory/2572-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2572-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2572-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2572-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2572-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2664-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2664-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2664-1-0x0000000000520000-0x0000000000620000-memory.dmp

Filesize
1024KB

Download
memory/2664-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2664-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2664-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2816-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads