tofsee | 4a8d24d9016364ce702217b56eb1e7699ffb7e7f574083f480b016fc36f655aa

General

Target

2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe
Size

10.9MB
MD5

79107b8f2a87e29fe22233956a06ca34
SHA1

4fd98cd60afecb84cf75907aafc319e5675f469b
SHA256

4a8d24d9016364ce702217b56eb1e7699ffb7e7f574083f480b016fc36f655aa
SHA512

34709fc5dd038640b9cc38bfb46c79d8df5f1ee093734592606257ebeaaa9fe1a1aceb7c99c79664ac7fdbac7e3f3a1384009b6478a58f872d2be179b4055c0e
SSDEEP

6144:b+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:b+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

4648 netsh.exe

pid	process
4648	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\eeutsdis\ImagePath = "C:\\Windows\\SysWOW64\\eeutsdis\\gelhgpne.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:

2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

3664 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

gelhgpne.exe

pid process

872 gelhgpne.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

gelhgpne.exe

description pid process target process

PID 872 set thread context of 3664 872 gelhgpne.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

2448 sc.exe
4788 sc.exe
3052 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3664	svchost.exe

pid	process
872	gelhgpne.exe

description	pid	process	target process
PID 872 set thread context of 3664	872	gelhgpne.exe	svchost.exe

pid	process
2448	sc.exe
4788	sc.exe
3052	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:

2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exegelhgpne.exe

description	pid	process	target process
PID 2600 wrote to memory of 4820	2600	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	cmd.exe
PID 2600 wrote to memory of 4820	2600	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	cmd.exe
PID 2600 wrote to memory of 4820	2600	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	cmd.exe
PID 2600 wrote to memory of 3020	2600	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	cmd.exe
PID 2600 wrote to memory of 3020	2600	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	cmd.exe
PID 2600 wrote to memory of 3020	2600	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	cmd.exe
PID 2600 wrote to memory of 4788	2600	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2600 wrote to memory of 4788	2600	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2600 wrote to memory of 4788	2600	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2600 wrote to memory of 3052	2600	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2600 wrote to memory of 3052	2600	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2600 wrote to memory of 3052	2600	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2600 wrote to memory of 2448	2600	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2600 wrote to memory of 2448	2600	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2600 wrote to memory of 2448	2600	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	sc.exe
PID 2600 wrote to memory of 4648	2600	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	netsh.exe
PID 2600 wrote to memory of 4648	2600	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	netsh.exe
PID 2600 wrote to memory of 4648	2600	2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe	netsh.exe
PID 872 wrote to memory of 3664	872	gelhgpne.exe	svchost.exe
PID 872 wrote to memory of 3664	872	gelhgpne.exe	svchost.exe
PID 872 wrote to memory of 3664	872	gelhgpne.exe	svchost.exe
PID 872 wrote to memory of 3664	872	gelhgpne.exe	svchost.exe
PID 872 wrote to memory of 3664	872	gelhgpne.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2600

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\eeutsdis\
2⤵
PID:4820

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gelhgpne.exe" C:\Windows\SysWOW64\eeutsdis\
2⤵
PID:3020

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create eeutsdis binPath= "C:\Windows\SysWOW64\eeutsdis\gelhgpne.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:4788

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description eeutsdis "wifi internet conection"
2⤵
- Launches sc.exe
PID:3052

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start eeutsdis
2⤵
- Launches sc.exe
PID:2448

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:4648

C:\Windows\SysWOW64\eeutsdis\gelhgpne.exe
C:\Windows\SysWOW64\eeutsdis\gelhgpne.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-06-27_79107b8f2a87e29fe22233956a06ca34_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:872

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:3664

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\gelhgpne.exe
Filesize
14.1MB

MD5
818b963dce1ce4708eda0e2859641b7d

SHA1
6da48a7e8690202a37725013f3ac254d5947ef20

SHA256
7d0023a2f443b8eb33c6ee168a1fc616fe529df117f92061b0e8760eddf7a555

SHA512
8e46be9f4a3e06f3f52684fc0a14ab427696f0a7addb2ae94cb9bc71bf1f79bafd03f8d6d5f8e9bb3fcdfabf69419ad27657ca5976c56d42ea3e82aba0eb3a64

Download Submit
memory/872-10-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/872-9-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/872-15-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2600-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/2600-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2600-6-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2600-7-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3664-11-0x0000000000510000-0x0000000000525000-memory.dmp

Filesize
84KB

Download
memory/3664-14-0x0000000000510000-0x0000000000525000-memory.dmp

Filesize
84KB

Download
memory/3664-16-0x0000000000510000-0x0000000000525000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads