tofsee | c6ccec536ba8ec29e8acd71501078d9a527cc9f5070cb214c9274c0288a86bde

Analysis

max time kernel
147s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-11-2024 18:25

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General

Target

2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe
Size

14.6MB
MD5

64ad38f22175fbb4c0ae21513bbf8550
SHA1

8f8705ae61bb567b12cdadfc36619ece97c57df0
SHA256

c6ccec536ba8ec29e8acd71501078d9a527cc9f5070cb214c9274c0288a86bde
SHA512

7a61142e88ac8e77179ca9653f9dbf73ec118b93bdc14607be53e92a07e017a77565e1b3598d46e76ed9d60a3bbecc82d759c076c16e8eb1ea3fcd8da1c3dbb0
SSDEEP

6144:HXxZs2EcxJ8GD96ySzTVaFRFX53ncNnUUMMMMMMMMb5:HXzuKJ8GD96ySzTcANnQMMMMMMMb

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\glhadirz = "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
2552	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\glhadirz\ImagePath = "C:\\Windows\\SysWOW64\\glhadirz\\irjirdhy.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1924	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2656	irjirdhy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2656 set thread context of 1924	2656	irjirdhy.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2660	sc.exe
2568	sc.exe
2716	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	irjirdhy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2416	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	31
PID 2776 wrote to memory of 2416	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	31
PID 2776 wrote to memory of 2416	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	31
PID 2776 wrote to memory of 2416	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	31
PID 2776 wrote to memory of 2668	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	33
PID 2776 wrote to memory of 2668	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	33
PID 2776 wrote to memory of 2668	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	33
PID 2776 wrote to memory of 2668	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	33
PID 2776 wrote to memory of 2660	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	35
PID 2776 wrote to memory of 2660	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	35
PID 2776 wrote to memory of 2660	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	35
PID 2776 wrote to memory of 2660	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	35
PID 2776 wrote to memory of 2568	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	37
PID 2776 wrote to memory of 2568	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	37
PID 2776 wrote to memory of 2568	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	37
PID 2776 wrote to memory of 2568	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	37
PID 2776 wrote to memory of 2716	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	39
PID 2776 wrote to memory of 2716	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	39
PID 2776 wrote to memory of 2716	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	39
PID 2776 wrote to memory of 2716	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	39
PID 2776 wrote to memory of 2552	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	42
PID 2776 wrote to memory of 2552	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	42
PID 2776 wrote to memory of 2552	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	42
PID 2776 wrote to memory of 2552	2776	2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe	42
PID 2656 wrote to memory of 1924	2656	irjirdhy.exe	44
PID 2656 wrote to memory of 1924	2656	irjirdhy.exe	44
PID 2656 wrote to memory of 1924	2656	irjirdhy.exe	44
PID 2656 wrote to memory of 1924	2656	irjirdhy.exe	44
PID 2656 wrote to memory of 1924	2656	irjirdhy.exe	44
PID 2656 wrote to memory of 1924	2656	irjirdhy.exe	44

C:\Users\Admin\AppData\Local\Temp\2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\glhadirz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2416
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\irjirdhy.exe" C:\Windows\SysWOW64\glhadirz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2668
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create glhadirz binPath= "C:\Windows\SysWOW64\glhadirz\irjirdhy.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2660
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description glhadirz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2568
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start glhadirz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2716
- 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:2552

C:\Windows\SysWOW64\glhadirz\irjirdhy.exe
C:\Windows\SysWOW64\glhadirz\irjirdhy.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-29_64ad38f22175fbb4c0ae21513bbf8550_karagany_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656
- 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:1924

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\irjirdhy.exe

Filesize
10.8MB

MD5
4c1301d1c3576fdc5a6695e3eb2e386f

SHA1
4c2e898a2bbe203fc30de87c420acf4415db6580

SHA256
2ddc46ed14859f78fa7ea357e2ab45181a7b79f29ba0a9c85b86793687e54f49

SHA512
f822989091bd4107cb2f2b18f94ad03455a72b15f4e9c3ca6d50b10555f84d2bee356e1b966a4e95426dcf3026568b67639ca98696142487c936e599b7414057

Download Submit
memory/1924-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1924-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1924-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1924-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1924-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2656-17-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2776-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2776-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2776-7-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2776-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2776-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2776-1-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads