tofsee | 77c4f8d22224f19fe811c10c45c71dad6ff55c2b65d2cec7ccd35a94cc63285c

General

Target

2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe
Size

10.8MB
MD5

9b9054b8fa3af489629b5d432c7293bb
SHA1

908b4692abe5046dbd8634922d75da4d50dd0756
SHA256

77c4f8d22224f19fe811c10c45c71dad6ff55c2b65d2cec7ccd35a94cc63285c
SHA512

2b2cb1c2bb5adf7e1590e229dcb39ddca20bbc0fe7d45c48ff432af3d842d8dbaeb053a768e855c1b6d2a74b300c87814b485d4fd5598f5e43071ee5ef5999b3
SSDEEP

6144:I+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:I+r1IeSXMXc7LlxWV4Ug97GZ+ej

Score

10^/10

tofsee 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
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

Processes:

netsh.exe

pid process

1676 netsh.exe

pid	process
1676	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\tjhvaikg\ImagePath = "C:\\Windows\\SysWOW64\\tjhvaikg\\ddcithor.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

Processes:

2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

1300 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

ddcithor.exe

pid process

1492 ddcithor.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

ddcithor.exe

description pid process target process

PID 1492 set thread context of 1300 1492 ddcithor.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

2068 sc.exe
208 sc.exe
856 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1300	svchost.exe

pid	process
1492	ddcithor.exe

description	pid	process	target process
PID 1492 set thread context of 1300	1492	ddcithor.exe	svchost.exe

pid	process
2068	sc.exe
208	sc.exe
856	sc.exe

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

Processes:

netsh.exe

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

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exeddcithor.exe

description	pid	process	target process
PID 4480 wrote to memory of 3612	4480	2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe	cmd.exe
PID 4480 wrote to memory of 3612	4480	2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe	cmd.exe
PID 4480 wrote to memory of 3612	4480	2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe	cmd.exe
PID 4480 wrote to memory of 4616	4480	2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe	cmd.exe
PID 4480 wrote to memory of 4616	4480	2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe	cmd.exe
PID 4480 wrote to memory of 4616	4480	2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe	cmd.exe
PID 4480 wrote to memory of 856	4480	2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe	sc.exe
PID 4480 wrote to memory of 856	4480	2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe	sc.exe
PID 4480 wrote to memory of 856	4480	2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe	sc.exe
PID 4480 wrote to memory of 2068	4480	2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe	sc.exe
PID 4480 wrote to memory of 2068	4480	2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe	sc.exe
PID 4480 wrote to memory of 2068	4480	2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe	sc.exe
PID 4480 wrote to memory of 208	4480	2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe	sc.exe
PID 4480 wrote to memory of 208	4480	2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe	sc.exe
PID 4480 wrote to memory of 208	4480	2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe	sc.exe
PID 4480 wrote to memory of 1676	4480	2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe	netsh.exe
PID 4480 wrote to memory of 1676	4480	2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe	netsh.exe
PID 4480 wrote to memory of 1676	4480	2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe	netsh.exe
PID 1492 wrote to memory of 1300	1492	ddcithor.exe	svchost.exe
PID 1492 wrote to memory of 1300	1492	ddcithor.exe	svchost.exe
PID 1492 wrote to memory of 1300	1492	ddcithor.exe	svchost.exe
PID 1492 wrote to memory of 1300	1492	ddcithor.exe	svchost.exe
PID 1492 wrote to memory of 1300	1492	ddcithor.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4480

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tjhvaikg\
2⤵
PID:3612

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ddcithor.exe" C:\Windows\SysWOW64\tjhvaikg\
2⤵
PID:4616

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create tjhvaikg binPath= "C:\Windows\SysWOW64\tjhvaikg\ddcithor.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:856

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description tjhvaikg "wifi internet conection"
2⤵
- Launches sc.exe
PID:2068

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start tjhvaikg
2⤵
- Launches sc.exe
PID:208

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
PID:1676

C:\Windows\SysWOW64\tjhvaikg\ddcithor.exe
C:\Windows\SysWOW64\tjhvaikg\ddcithor.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-06-24_9b9054b8fa3af489629b5d432c7293bb_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1492

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:1300

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\ddcithor.exe
Filesize
13.5MB

MD5
e2dfe4be1853e376d5ff920edc1a875d

SHA1
5b4d18dac05e1cc47b67d4c400fdb32536197933

SHA256
a7573d30bfb12c805076dba3c0846e4509c04c37c015660961073f05ee903762

SHA512
03a65efee4d76df6813fccb47e2521a3f10141711c5e28af0676df3ea52c5bbc4746e649d25daa73e8ede9337a1021ecb7bd1f0e77f2c7fb178fc2102adc217f

Download Submit
memory/1300-13-0x0000000000A70000-0x0000000000A85000-memory.dmp

Filesize
84KB

Download
memory/1300-9-0x0000000000A70000-0x0000000000A85000-memory.dmp

Filesize
84KB

Download
memory/1300-15-0x0000000000A70000-0x0000000000A85000-memory.dmp

Filesize
84KB

Download
memory/1492-12-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/1492-10-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/4480-1-0x00000000005E0000-0x00000000006E0000-memory.dmp

Filesize
1024KB

Download
memory/4480-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4480-7-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4480-6-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads