tofsee | 103d6f764e3a1d823563157557c9a5d875596f28fb1d305a361309832beed07c

Analysis

max time kernel
144s
max time network
130s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
28-11-2024 18:23

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General

Target

2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe
Size

11.3MB
MD5

06bd1eaff94ed6673544a046395e863a
SHA1

986cff31eda9d82dd0a461181c59d804fc6b3caf
SHA256

103d6f764e3a1d823563157557c9a5d875596f28fb1d305a361309832beed07c
SHA512

9d7bfeef59c3110926d3379ac6a53c76e59449de890d3dc1481c2985cbe3cd6e6fc7d28eaf2a73749722cc2e3bad713f9dc0bb2cd097a3c78169c23a62f674e1
SSDEEP

6144:wXxZs2EcxJ8GD96ySzTVaFRFX53ncNnUUMMMMMMMMb5:wXzuKJ8GD96ySzTcANnQMMMMMMMb

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\nmkqaxmc = "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
2784	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\nmkqaxmc\ImagePath = "C:\\Windows\\SysWOW64\\nmkqaxmc\\cpdgiigt.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2816	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2832	cpdgiigt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2832 set thread context of 2816	2832	cpdgiigt.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2756	sc.exe
584	sc.exe
2892	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.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
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	cpdgiigt.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2620	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	31
PID 2376 wrote to memory of 2620	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	31
PID 2376 wrote to memory of 2620	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	31
PID 2376 wrote to memory of 2620	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	31
PID 2376 wrote to memory of 2648	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	33
PID 2376 wrote to memory of 2648	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	33
PID 2376 wrote to memory of 2648	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	33
PID 2376 wrote to memory of 2648	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	33
PID 2376 wrote to memory of 2756	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	35
PID 2376 wrote to memory of 2756	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	35
PID 2376 wrote to memory of 2756	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	35
PID 2376 wrote to memory of 2756	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	35
PID 2376 wrote to memory of 584	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	37
PID 2376 wrote to memory of 584	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	37
PID 2376 wrote to memory of 584	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	37
PID 2376 wrote to memory of 584	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	37
PID 2376 wrote to memory of 2892	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	39
PID 2376 wrote to memory of 2892	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	39
PID 2376 wrote to memory of 2892	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	39
PID 2376 wrote to memory of 2892	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	39
PID 2376 wrote to memory of 2784	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	42
PID 2376 wrote to memory of 2784	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	42
PID 2376 wrote to memory of 2784	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	42
PID 2376 wrote to memory of 2784	2376	2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe	42
PID 2832 wrote to memory of 2816	2832	cpdgiigt.exe	44
PID 2832 wrote to memory of 2816	2832	cpdgiigt.exe	44
PID 2832 wrote to memory of 2816	2832	cpdgiigt.exe	44
PID 2832 wrote to memory of 2816	2832	cpdgiigt.exe	44
PID 2832 wrote to memory of 2816	2832	cpdgiigt.exe	44
PID 2832 wrote to memory of 2816	2832	cpdgiigt.exe	44

C:\Users\Admin\AppData\Local\Temp\2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nmkqaxmc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2620
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\cpdgiigt.exe" C:\Windows\SysWOW64\nmkqaxmc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2648
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create nmkqaxmc binPath= "C:\Windows\SysWOW64\nmkqaxmc\cpdgiigt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2756
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description nmkqaxmc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:584
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start nmkqaxmc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2892
- 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:2784

C:\Windows\SysWOW64\nmkqaxmc\cpdgiigt.exe
C:\Windows\SysWOW64\nmkqaxmc\cpdgiigt.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-28_06bd1eaff94ed6673544a046395e863a_karagany_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2832
- 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:2816

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\cpdgiigt.exe

Filesize
11.6MB

MD5
3fce54ebf8c7443a94206cbf6bd43827

SHA1
6cf4745d005f36d23fc3ad85dfce6cd92ba63465

SHA256
cb3da661895eb78396bc5885c8d9fc069c0f751edf9d43c97355df7cadb90981

SHA512
fc3f823b22857583b2aa195a0627aa4e37965ca46d088277c068eab3411cf2193fc1da828befd70af3f0515aaf72e77624c19e5845f7e8cd5553994b61fc01dc

Download Submit
memory/2376-9-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/2376-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2376-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2376-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2376-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2376-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/2376-7-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2816-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2816-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2816-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2816-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2816-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2832-18-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads