tofsee | 0845aaef799678f1d124bd4ec9d901793f63bfafc19dc1a1d43f930850c2ed9d

General

Target

2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe
Size

14.3MB
MD5

cebb32a3b84cde5e55cc7b64a9914377
SHA1

d13b9017f34b552873b960ceb2cb6777a54a8a6d
SHA256

0845aaef799678f1d124bd4ec9d901793f63bfafc19dc1a1d43f930850c2ed9d
SHA512

07a9740d8209c037520acaac320ddc8ffa42ef5b5202fd77d997deb56242e36b3f0916b092987b72015c83eea92867ca4e102867ff7a6d3e5e941fe12ffc4494
SSDEEP

6144:aLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQF:bTYe+D2jFu+iZoUFhAz

Score

10^/10

tofsee defense_evasion discovery 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

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
5108	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\jqophtqb\ImagePath = "C:\\Windows\\SysWOW64\\jqophtqb\\ljstcynj.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-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\International\Geo\Nation	2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe

Deletes itself 1 IoCs

pid	Process
1824	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
5024	ljstcynj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5024 set thread context of 1824	5024	ljstcynj.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
4548	sc.exe
4144	sc.exe
3700	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 2 IoCs

pid	pid_target	Process	procid_target
3884	5024	WerFault.exe	96
1576	2604	WerFault.exe	82

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ljstcynj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 224	2604	2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe	86
PID 2604 wrote to memory of 224	2604	2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe	86
PID 2604 wrote to memory of 224	2604	2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe	86
PID 2604 wrote to memory of 1072	2604	2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe	88
PID 2604 wrote to memory of 1072	2604	2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe	88
PID 2604 wrote to memory of 1072	2604	2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe	88
PID 2604 wrote to memory of 3700	2604	2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe	90
PID 2604 wrote to memory of 3700	2604	2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe	90
PID 2604 wrote to memory of 3700	2604	2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe	90
PID 2604 wrote to memory of 4548	2604	2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe	92
PID 2604 wrote to memory of 4548	2604	2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe	92
PID 2604 wrote to memory of 4548	2604	2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe	92
PID 2604 wrote to memory of 4144	2604	2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe	94
PID 2604 wrote to memory of 4144	2604	2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe	94
PID 2604 wrote to memory of 4144	2604	2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe	94
PID 2604 wrote to memory of 5108	2604	2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe	97
PID 2604 wrote to memory of 5108	2604	2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe	97
PID 2604 wrote to memory of 5108	2604	2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe	97
PID 5024 wrote to memory of 1824	5024	ljstcynj.exe	102
PID 5024 wrote to memory of 1824	5024	ljstcynj.exe	102
PID 5024 wrote to memory of 1824	5024	ljstcynj.exe	102
PID 5024 wrote to memory of 1824	5024	ljstcynj.exe	102
PID 5024 wrote to memory of 1824	5024	ljstcynj.exe	102

C:\Users\Admin\AppData\Local\Temp\2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jqophtqb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:224
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ljstcynj.exe" C:\Windows\SysWOW64\jqophtqb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1072
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jqophtqb binPath= "C:\Windows\SysWOW64\jqophtqb\ljstcynj.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3700
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jqophtqb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4548
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jqophtqb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4144
- 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:5108
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 1244
  2⤵
  - Program crash
  PID:1576

C:\Windows\SysWOW64\jqophtqb\ljstcynj.exe
C:\Windows\SysWOW64\jqophtqb\ljstcynj.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_cebb32a3b84cde5e55cc7b64a9914377_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5024
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1824
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 508
  2⤵
  - Program crash
  PID:3884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2604 -ip 2604
1⤵
PID:2188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 5024 -ip 5024
1⤵
PID:1332

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\ljstcynj.exe

Filesize
12.0MB

MD5
497e398e4abbafbedccd1d064e690a2e

SHA1
4d59d163478c23e4be65fd9f47a1e964656c173b

SHA256
9d02646a57c22844e4d59ece0fb72113df90f0673a5993693459a4a081f790d7

SHA512
7221fd4fab158eaa21167374de60b4c398ac1b7130a08a82dac68b38e36b28acdce9dd6ad4409b970452b53617b1583ba1f707a83b240431e6c6b1aa254939d3

Download Submit
memory/1824-12-0x0000000000BC0000-0x0000000000BD5000-memory.dmp

Filesize
84KB

Download
memory/1824-9-0x0000000000BC0000-0x0000000000BD5000-memory.dmp

Filesize
84KB

Download
memory/1824-18-0x0000000000BC0000-0x0000000000BD5000-memory.dmp

Filesize
84KB

Download
memory/1824-19-0x0000000000BC0000-0x0000000000BD5000-memory.dmp

Filesize
84KB

Download
memory/1824-20-0x0000000000BC0000-0x0000000000BD5000-memory.dmp

Filesize
84KB

Download
memory/2604-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2604-2-0x0000000000510000-0x0000000000523000-memory.dmp

Filesize
76KB

Download
memory/2604-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/2604-15-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/2604-16-0x0000000000510000-0x0000000000523000-memory.dmp

Filesize
76KB

Download
memory/2604-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/5024-8-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/5024-14-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads