tofsee | d5e66820b485fc36d65e5fb1082aed954d234c4102c6196d643cd7ceb1bf8f67

General

Target

2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe
Size

12.1MB
MD5

afe5e92231cb021e4c98b66c1f97a92e
SHA1

ab95c90122d5405dd919c39069fd8135b3695677
SHA256

d5e66820b485fc36d65e5fb1082aed954d234c4102c6196d643cd7ceb1bf8f67
SHA512

5eb76983b86c354eec73ca6948146929ce62ecebf2ac7a353214f3a2d2dbd688689fb27053ac097b6d1b2f41502e56c427e6454bb39cafd71d9606aa00485e84
SSDEEP

49152:pLFuiE8888888888888888888888888888888888888888888888888888888885:pLME

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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
55	1236	Process not Found

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2748	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\lejbtazg\ImagePath = "C:\\Windows\\SysWOW64\\lejbtazg\\jeiaqbdb.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-1-5-21-1639772215-809007892-4072230623-1000\Control Panel\International\Geo\Nation	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe

Deletes itself 1 IoCs

pid	Process
3256	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
776	jeiaqbdb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 776 set thread context of 3256	776	jeiaqbdb.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
4972	sc.exe
3404	sc.exe
812	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 10 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.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	jeiaqbdb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2904	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3496 wrote to memory of 1752	3496	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	88
PID 3496 wrote to memory of 1752	3496	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	88
PID 3496 wrote to memory of 1752	3496	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	88
PID 3496 wrote to memory of 4024	3496	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	91
PID 3496 wrote to memory of 4024	3496	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	91
PID 3496 wrote to memory of 4024	3496	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	91
PID 3496 wrote to memory of 4972	3496	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	93
PID 3496 wrote to memory of 4972	3496	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	93
PID 3496 wrote to memory of 4972	3496	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	93
PID 3496 wrote to memory of 3404	3496	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	95
PID 3496 wrote to memory of 3404	3496	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	95
PID 3496 wrote to memory of 3404	3496	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	95
PID 3496 wrote to memory of 812	3496	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	97
PID 3496 wrote to memory of 812	3496	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	97
PID 3496 wrote to memory of 812	3496	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	97
PID 776 wrote to memory of 3256	776	jeiaqbdb.exe	100
PID 776 wrote to memory of 3256	776	jeiaqbdb.exe	100
PID 776 wrote to memory of 3256	776	jeiaqbdb.exe	100
PID 776 wrote to memory of 3256	776	jeiaqbdb.exe	100
PID 776 wrote to memory of 3256	776	jeiaqbdb.exe	100
PID 3496 wrote to memory of 2748	3496	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	101
PID 3496 wrote to memory of 2748	3496	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	101
PID 3496 wrote to memory of 2748	3496	2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe	101

C:\Users\Admin\AppData\Local\Temp\2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3496
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lejbtazg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1752
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jeiaqbdb.exe" C:\Windows\SysWOW64\lejbtazg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4024
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lejbtazg binPath= "C:\Windows\SysWOW64\lejbtazg\jeiaqbdb.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4972
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lejbtazg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3404
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lejbtazg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:812
- 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:2748

C:\Windows\SysWOW64\lejbtazg\jeiaqbdb.exe
C:\Windows\SysWOW64\lejbtazg\jeiaqbdb.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-08_afe5e92231cb021e4c98b66c1f97a92e_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:776
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3256

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY4ODkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTM2NTgwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1Mzg2MzM3MTcwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2904

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
11.9MB

MD5
e6e24968f3024fd4726b4ffb41815a5a

SHA1
c84fa1802da28232d7940127657e71806e02d99f

SHA256
e5831a1a51a8a5692826f6ad0bd6aab9dccf97ccad2a8111f7b2ecfb6a2674bd

SHA512
acd8a323fb26043b21fc23ceb3fcef896025caa158929e30406b0bb9e2faf34e56cf7c062e330137ae725ec413dc5d872edd923aac30559efaf621b1a6eb802c

Download Submit
memory/776-9-0x0000000000400000-0x0000000002DBF000-memory.dmp

Filesize
41.7MB

Download
memory/3256-8-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/3256-14-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/3256-15-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/3496-1-0x0000000003110000-0x0000000003210000-memory.dmp

Filesize
1024KB

Download
memory/3496-2-0x0000000002ED0000-0x0000000002EE3000-memory.dmp

Filesize
76KB

Download
memory/3496-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3496-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3496-12-0x0000000002ED0000-0x0000000002EE3000-memory.dmp

Filesize
76KB

Download
memory/3496-11-0x0000000000400000-0x0000000002DBF000-memory.dmp

Filesize
41.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads