tofsee | 645b2c5d20c82e6d5eaf3c33a75950ce4428c843b0bc0c8d1fc7d81dad0a62f0

General

Target

2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe
Size

12.4MB
MD5

7f0aa0572a3d14406f8dcd4e6c12c1f8
SHA1

a789428d93b23607398b372c9bd1825ad8e4ad5c
SHA256

645b2c5d20c82e6d5eaf3c33a75950ce4428c843b0bc0c8d1fc7d81dad0a62f0
SHA512

eee000df3ef17908f2ef33294e9d439325eadbc6382c67aba5c401286e6400584f1f6ff33b566bf603b386a916a9c7f9a3c7e12e5021c311a75ecf26f797ae4c
SSDEEP

6144:IXxZs2EcxJ8GD96ySzTVaFRFX53ncNnUUMMMMMMMMb5:IXzuKJ8GD96ySzTcANnQMMMMMMMb

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
3528	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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe

Executes dropped EXE 1 IoCs

pid	Process
3080	jatwdqcb.exe

Launches sc.exe 3 IoCs

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

pid	Process
4652	sc.exe
664	sc.exe
3260	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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
312	1208	WerFault.exe	81

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_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

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1208 wrote to memory of 1300	1208	2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe	91
PID 1208 wrote to memory of 1300	1208	2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe	91
PID 1208 wrote to memory of 1300	1208	2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe	91
PID 1208 wrote to memory of 3668	1208	2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe	93
PID 1208 wrote to memory of 3668	1208	2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe	93
PID 1208 wrote to memory of 3668	1208	2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe	93
PID 1208 wrote to memory of 4652	1208	2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe	95
PID 1208 wrote to memory of 4652	1208	2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe	95
PID 1208 wrote to memory of 4652	1208	2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe	95
PID 1208 wrote to memory of 664	1208	2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe	97
PID 1208 wrote to memory of 664	1208	2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe	97
PID 1208 wrote to memory of 664	1208	2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe	97
PID 1208 wrote to memory of 3260	1208	2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe	99
PID 1208 wrote to memory of 3260	1208	2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe	99
PID 1208 wrote to memory of 3260	1208	2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe	99
PID 1208 wrote to memory of 3528	1208	2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe	102
PID 1208 wrote to memory of 3528	1208	2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe	102
PID 1208 wrote to memory of 3528	1208	2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe	102

C:\Users\Admin\AppData\Local\Temp\2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xpcbdbht\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1300
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jatwdqcb.exe" C:\Windows\SysWOW64\xpcbdbht\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3668
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xpcbdbht binPath= "C:\Windows\SysWOW64\xpcbdbht\jatwdqcb.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4652
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xpcbdbht "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:664
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xpcbdbht
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3260
- 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:3528
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 1168
  2⤵
  - Program crash
  PID:312

C:\Windows\SysWOW64\xpcbdbht\jatwdqcb.exe
C:\Windows\SysWOW64\xpcbdbht\jatwdqcb.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-23_7f0aa0572a3d14406f8dcd4e6c12c1f8_karagany_mafia.exe"
1⤵
- Executes dropped EXE
PID:3080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1208 -ip 1208
1⤵
PID:1836

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\jatwdqcb.exe

Filesize
10.0MB

MD5
c7fd905a39bba6e95c1b4ab23de0afd1

SHA1
d9cb5e7015d7894cf0d499aca861bbcb86e3629f

SHA256
43f1bfbad46d17f5a9b5801df6f0645c6b006efba72592e9ef254571c17f270d

SHA512
a8868255cf7fcadeb1713e6dd41f60cdb6fa227d52d8476016c342ecba7905747e9977c116e5dde36a59be726743e7e189e1fcaeb8bc323e8aa7eeef52ebc11e

Download Submit
memory/1208-1-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/1208-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/1208-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1208-7-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1208-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1208-9-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/1208-8-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads