tofsee | ee8d18ee89bcf8ba343824cfc5d17013a93a8138629a37fb055061daff4bea6b

General

Target

0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe
Size

13.7MB
MD5

8cd2a63e98c2f43873a7b54f5de4a5ce
SHA1

a8e11d82385377a4100167a5f2eda97203a154bc
SHA256

ee8d18ee89bcf8ba343824cfc5d17013a93a8138629a37fb055061daff4bea6b
SHA512

b8c23243eb246d731d667e7fa931807221cbef7408f6d8c70522ed06acf4a8db0f1b6311b146afb5a7fde3f3455465f01a5d8e65379d0f4ef439ae59ec170e90
SSDEEP

6144:0ZXxZnMXxZX06XE1+wr1Zf/VmUL0PMMMMMMMb6:EXzMBZX0F+wrVRiMMMMMMMb

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

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
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
4232	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe

Executes dropped EXE 1 IoCs

pid	Process
4332	bemmkimv.exe

Launches sc.exe 3 IoCs

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

pid	Process
1512	sc.exe
4564	sc.exe
4268	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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
8	2808	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 7 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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_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

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 3764	2808	0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe	97
PID 2808 wrote to memory of 3764	2808	0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe	97
PID 2808 wrote to memory of 3764	2808	0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe	97
PID 2808 wrote to memory of 4112	2808	0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe	99
PID 2808 wrote to memory of 4112	2808	0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe	99
PID 2808 wrote to memory of 4112	2808	0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe	99
PID 2808 wrote to memory of 1512	2808	0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe	101
PID 2808 wrote to memory of 1512	2808	0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe	101
PID 2808 wrote to memory of 1512	2808	0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe	101
PID 2808 wrote to memory of 4564	2808	0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe	103
PID 2808 wrote to memory of 4564	2808	0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe	103
PID 2808 wrote to memory of 4564	2808	0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe	103
PID 2808 wrote to memory of 4268	2808	0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe	105
PID 2808 wrote to memory of 4268	2808	0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe	105
PID 2808 wrote to memory of 4268	2808	0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe	105
PID 2808 wrote to memory of 4232	2808	0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe	108
PID 2808 wrote to memory of 4232	2808	0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe	108
PID 2808 wrote to memory of 4232	2808	0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe	108

C:\Users\Admin\AppData\Local\Temp\0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xyaqybpq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3764
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bemmkimv.exe" C:\Windows\SysWOW64\xyaqybpq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4112
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xyaqybpq binPath= "C:\Windows\SysWOW64\xyaqybpq\bemmkimv.exe /d\"C:\Users\Admin\AppData\Local\Temp\0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1512
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xyaqybpq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4564
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xyaqybpq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4268
- 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:4232
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2808 -s 1040
  2⤵
  - Program crash
  PID:8

C:\Windows\SysWOW64\xyaqybpq\bemmkimv.exe
C:\Windows\SysWOW64\xyaqybpq\bemmkimv.exe /d"C:\Users\Admin\AppData\Local\Temp\0QIQ2_2025-01-18_8cd2a63e98c2f43873a7b54f5de4a5ce_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:4332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2808 -ip 2808
1⤵
PID:3700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
12.2MB

MD5
f7634dc87e83f502bca9cba3a1d1a665

SHA1
ecf59c8c5a54256553b5bd9ddd7885773478a71f

SHA256
08f1b8c5f91af290ea15bf2cd0088acffe57ddccbfdc5e8c7a62a56dabe354d4

SHA512
b89e2883c6c5a075732df1363684d998aecabee944cb632a189061659fed9bd5d136ce0041acfd61d797c6967e3a394dc39e9f8777a0d4f45af2db42f045b721

Download Submit
memory/2808-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2808-1-0x0000000000660000-0x0000000000760000-memory.dmp

Filesize
1024KB

Download
memory/2808-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2808-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2808-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2808-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads