tofsee | ef2914c44cb8edd1d9f2d62c7998b3c0b6755cecb519a7904f646b5275daaef7

Analysis

max time kernel
147s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 15:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe
Size

12.6MB
MD5

a78ecc2e78673cbde05577052782667b
SHA1

02e34071dbcd50a81db917bfcd3938064832248c
SHA256

ef2914c44cb8edd1d9f2d62c7998b3c0b6755cecb519a7904f646b5275daaef7
SHA512

3e7d03c5d29d3a93436f42635c49b0c91f428881a9871c06623105675c87566983b05d3d2758cacfb401f1686d16988443eac5e7d6de036c683073eaa67c90f2
SSDEEP

6144:RyXxZTquqxpXAdbbiFyKq3nUOcWfMMMMMMMbt:RyXzN8pXAdbbyyZtZfMMMMMMMb

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\fnzbumjc = "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
2404	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\fnzbumjc\ImagePath = "C:\\Windows\\SysWOW64\\fnzbumjc\\gphgpbfw.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2900	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1012	gphgpbfw.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1012 set thread context of 2900	1012	gphgpbfw.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2004	sc.exe
1860	sc.exe
2060	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	gphgpbfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_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	sc.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 328	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	30
PID 2192 wrote to memory of 328	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	30
PID 2192 wrote to memory of 328	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	30
PID 2192 wrote to memory of 328	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	30
PID 2192 wrote to memory of 2088	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	32
PID 2192 wrote to memory of 2088	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	32
PID 2192 wrote to memory of 2088	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	32
PID 2192 wrote to memory of 2088	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	32
PID 2192 wrote to memory of 2060	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	34
PID 2192 wrote to memory of 2060	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	34
PID 2192 wrote to memory of 2060	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	34
PID 2192 wrote to memory of 2060	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	34
PID 2192 wrote to memory of 2004	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	36
PID 2192 wrote to memory of 2004	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	36
PID 2192 wrote to memory of 2004	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	36
PID 2192 wrote to memory of 2004	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	36
PID 2192 wrote to memory of 1860	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	38
PID 2192 wrote to memory of 1860	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	38
PID 2192 wrote to memory of 1860	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	38
PID 2192 wrote to memory of 1860	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	38
PID 2192 wrote to memory of 2404	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	41
PID 2192 wrote to memory of 2404	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	41
PID 2192 wrote to memory of 2404	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	41
PID 2192 wrote to memory of 2404	2192	2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe	41
PID 1012 wrote to memory of 2900	1012	gphgpbfw.exe	43
PID 1012 wrote to memory of 2900	1012	gphgpbfw.exe	43
PID 1012 wrote to memory of 2900	1012	gphgpbfw.exe	43
PID 1012 wrote to memory of 2900	1012	gphgpbfw.exe	43
PID 1012 wrote to memory of 2900	1012	gphgpbfw.exe	43
PID 1012 wrote to memory of 2900	1012	gphgpbfw.exe	43

C:\Users\Admin\AppData\Local\Temp\2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fnzbumjc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:328
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gphgpbfw.exe" C:\Windows\SysWOW64\fnzbumjc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2088
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create fnzbumjc binPath= "C:\Windows\SysWOW64\fnzbumjc\gphgpbfw.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2060
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description fnzbumjc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2004
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start fnzbumjc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1860
- 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:2404

C:\Windows\SysWOW64\fnzbumjc\gphgpbfw.exe
C:\Windows\SysWOW64\fnzbumjc\gphgpbfw.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-24_a78ecc2e78673cbde05577052782667b_karagany_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1012
- 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:2900

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\gphgpbfw.exe

Filesize
11.2MB

MD5
05ec2154b6c6f668ba79c6d7b258cabe

SHA1
99c79c28ce3463cd6aedf8190d6336f378cd2a97

SHA256
717fcc308eb9af2b5c246d661c6753d48bcf50caa59dffd81cb3ea0373a1b1c3

SHA512
f4ea14a0fea15b451e6951b9b2f06576652160910177b75d074456f9e7af94bc7231d16d841104f5e15359d910e5ebd14c1c9201d520b613b1c5991f1f1646f6

Download Submit
memory/1012-17-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2192-7-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2192-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/2192-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2192-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2192-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2192-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2900-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2900-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2900-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2900-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2900-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads