tofsee | dce5b9da95d9d01aa4be5091d9cdcc52456d04f5e52385b79bc7887410eeea7e

General

Target

2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe
Size

13.2MB
MD5

7805744de467df9742263b9b6bad88db
SHA1

f65a57962202de0ab0264ea1c5d5193a2f4bd349
SHA256

dce5b9da95d9d01aa4be5091d9cdcc52456d04f5e52385b79bc7887410eeea7e
SHA512

b15550cc947017eec88d2fb8ad96fed34f48fd998dca4c7f5efbc789889aefb78264908e054a35b63d47d9c3e6eb2eee2fb7e9e41bf7fb5c5af20f0a9d84298e
SSDEEP

196608:H3aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa+:H

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
3548	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\xegzljsp\ImagePath = "C:\\Windows\\SysWOW64\\xegzljsp\\nmyuzjtg.exe"	svchost.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe

Deletes itself 1 IoCs

pid	Process
636	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4812	nmyuzjtg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4812 set thread context of 636	4812	nmyuzjtg.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
2228	sc.exe
1396	sc.exe
428	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	2024-11-03_7805744de467df9742263b9b6bad88db_mafia.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	nmyuzjtg.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	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1556 wrote to memory of 1044	1556	2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe	86
PID 1556 wrote to memory of 1044	1556	2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe	86
PID 1556 wrote to memory of 1044	1556	2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe	86
PID 1556 wrote to memory of 3228	1556	2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe	89
PID 1556 wrote to memory of 3228	1556	2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe	89
PID 1556 wrote to memory of 3228	1556	2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe	89
PID 1556 wrote to memory of 428	1556	2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe	91
PID 1556 wrote to memory of 428	1556	2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe	91
PID 1556 wrote to memory of 428	1556	2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe	91
PID 1556 wrote to memory of 2228	1556	2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe	93
PID 1556 wrote to memory of 2228	1556	2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe	93
PID 1556 wrote to memory of 2228	1556	2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe	93
PID 1556 wrote to memory of 1396	1556	2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe	95
PID 1556 wrote to memory of 1396	1556	2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe	95
PID 1556 wrote to memory of 1396	1556	2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe	95
PID 1556 wrote to memory of 3548	1556	2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe	98
PID 1556 wrote to memory of 3548	1556	2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe	98
PID 1556 wrote to memory of 3548	1556	2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe	98
PID 4812 wrote to memory of 636	4812	nmyuzjtg.exe	102
PID 4812 wrote to memory of 636	4812	nmyuzjtg.exe	102
PID 4812 wrote to memory of 636	4812	nmyuzjtg.exe	102
PID 4812 wrote to memory of 636	4812	nmyuzjtg.exe	102
PID 4812 wrote to memory of 636	4812	nmyuzjtg.exe	102

C:\Users\Admin\AppData\Local\Temp\2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1556
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xegzljsp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1044
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nmyuzjtg.exe" C:\Windows\SysWOW64\xegzljsp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3228
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xegzljsp binPath= "C:\Windows\SysWOW64\xegzljsp\nmyuzjtg.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:428
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xegzljsp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2228
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xegzljsp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1396
- 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:3548

C:\Windows\SysWOW64\xegzljsp\nmyuzjtg.exe
C:\Windows\SysWOW64\xegzljsp\nmyuzjtg.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-03_7805744de467df9742263b9b6bad88db_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4812
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Modify Registry

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\nmyuzjtg.exe

Filesize
14.4MB

MD5
39cae388d82d4c6c9b0442fbb8964681

SHA1
e8ef78d25c087ddb798f43d2b8fcfcf7f9133620

SHA256
7c319932458d5d50f23aad386d5ef803bfc11304aa999ac3d78f5b98292dc5fd

SHA512
62f07723c463346dd3c8b7228c52d182efccf5615c0052325556235d9d1de00e1c68a52cbfd525c1f12a4eb8905f5d4210bdf771df0847d2c2179f39d4f04dd3

Download Submit
memory/636-18-0x0000000000690000-0x00000000006A5000-memory.dmp

Filesize
84KB

Download
memory/636-12-0x0000000000690000-0x00000000006A5000-memory.dmp

Filesize
84KB

Download
memory/636-17-0x0000000000690000-0x00000000006A5000-memory.dmp

Filesize
84KB

Download
memory/636-19-0x0000000000690000-0x00000000006A5000-memory.dmp

Filesize
84KB

Download
memory/636-20-0x0000000000690000-0x00000000006A5000-memory.dmp

Filesize
84KB

Download
memory/1556-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1556-2-0x00000000021A0000-0x00000000021B3000-memory.dmp

Filesize
76KB

Download
memory/1556-7-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/1556-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1556-8-0x00000000021A0000-0x00000000021B3000-memory.dmp

Filesize
76KB

Download
memory/1556-1-0x00000000004E0000-0x00000000005E0000-memory.dmp

Filesize
1024KB

Download
memory/4812-11-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4812-16-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads