tofsee | 745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9

General

Target

745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe
Size

101KB
MD5

8492363d0e0816032359dad26695b3d0
SHA1

302a9f2dd85e1b5341f4c631e0157550f7ddfe76
SHA256

745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9
SHA512

386ee8d62ecf7cc5d750c8860b26512d3bc07786215c88dec5c9ac6aa9028d1985dea1bbc740da089366b8cdd51f5d6d1562ff3977854353e528b164a60ec004
SSDEEP

1536:tktR15HzEFMoW0hO2tPsdV08NCiQ1fRO+FFCDoWf2vwxyLAPSHPwEDroGB9nE:mt354HWghsw1ZJrqfzxyGuoE/oG

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

4628 netsh.exe

pid	process
4628	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\ojoysbfc\ImagePath = "C:\\Windows\\SysWOW64\\ojoysbfc\\zttkvevx.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:

745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

4684 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

zttkvevx.exe

pid process

5052 zttkvevx.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

zttkvevx.exe

description pid process target process

PID 5052 set thread context of 4684 5052 zttkvevx.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

2184 sc.exe
2936 sc.exe
3140 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4684	svchost.exe

pid	process
5052	zttkvevx.exe

description	pid	process	target process
PID 5052 set thread context of 4684	5052	zttkvevx.exe	svchost.exe

pid	process
2184	sc.exe
2936	sc.exe
3140	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

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	process	target process
1940	372	WerFault.exe	745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe
1040	5052	WerFault.exe	zttkvevx.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exezttkvevx.exe

description	pid	process	target process
PID 372 wrote to memory of 2988	372	745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe	cmd.exe
PID 372 wrote to memory of 2988	372	745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe	cmd.exe
PID 372 wrote to memory of 2988	372	745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe	cmd.exe
PID 372 wrote to memory of 3384	372	745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe	cmd.exe
PID 372 wrote to memory of 3384	372	745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe	cmd.exe
PID 372 wrote to memory of 3384	372	745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe	cmd.exe
PID 372 wrote to memory of 2184	372	745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe	sc.exe
PID 372 wrote to memory of 2184	372	745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe	sc.exe
PID 372 wrote to memory of 2184	372	745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe	sc.exe
PID 372 wrote to memory of 2936	372	745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe	sc.exe
PID 372 wrote to memory of 2936	372	745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe	sc.exe
PID 372 wrote to memory of 2936	372	745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe	sc.exe
PID 372 wrote to memory of 3140	372	745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe	sc.exe
PID 372 wrote to memory of 3140	372	745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe	sc.exe
PID 372 wrote to memory of 3140	372	745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe	sc.exe
PID 372 wrote to memory of 4628	372	745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe	netsh.exe
PID 372 wrote to memory of 4628	372	745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe	netsh.exe
PID 372 wrote to memory of 4628	372	745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe	netsh.exe
PID 5052 wrote to memory of 4684	5052	zttkvevx.exe	svchost.exe
PID 5052 wrote to memory of 4684	5052	zttkvevx.exe	svchost.exe
PID 5052 wrote to memory of 4684	5052	zttkvevx.exe	svchost.exe
PID 5052 wrote to memory of 4684	5052	zttkvevx.exe	svchost.exe
PID 5052 wrote to memory of 4684	5052	zttkvevx.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:372

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ojoysbfc\
2⤵
PID:2988

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zttkvevx.exe" C:\Windows\SysWOW64\ojoysbfc\
2⤵
PID:3384

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create ojoysbfc binPath= "C:\Windows\SysWOW64\ojoysbfc\zttkvevx.exe /d\"C:\Users\Admin\AppData\Local\Temp\745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2184

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description ojoysbfc "wifi internet conection"
2⤵
- Launches sc.exe
PID:2936

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start ojoysbfc
2⤵
- Launches sc.exe
PID:3140

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:4628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 372 -s 596
2⤵
- Program crash
PID:1940

C:\Windows\SysWOW64\ojoysbfc\zttkvevx.exe
C:\Windows\SysWOW64\ojoysbfc\zttkvevx.exe /d"C:\Users\Admin\AppData\Local\Temp\745bdfaca538f8ebb08584488dd61e2247e1588ad35f7f613a75194913efeac9_NeikiAnalytics.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5052

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:4684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 276
2⤵
- Program crash
PID:1040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 372 -ip 372
1⤵
PID:2672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 5052 -ip 5052
1⤵
PID:2344

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\zttkvevx.exe

Filesize
10.9MB

MD5
985a6fcd31c55598a5d5a3b13961ef91

SHA1
e0fb8522f041433b678a88c466589cbacd3dab05

SHA256
66ee478e8eb17a62c76e07fca2480e6f196ad1657baba28c9b93812bbbb472e4

SHA512
35d1399278363243dd64f34726608aa5e5245439ba6de5c9764c879a2899de504dd779f26fe14ee297d05056839fa129ac81b5902adee33b63ab707edcee40ad

Download Submit
memory/372-5-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/372-12-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/372-0-0x0000000000400000-0x0000000005D65000-memory.dmp

Filesize
89.4MB

Download
memory/372-4-0x0000000005DF0000-0x0000000005E03000-memory.dmp

Filesize
76KB

Download
memory/372-7-0x0000000000400000-0x0000000005D65000-memory.dmp

Filesize
89.4MB

Download
memory/372-1-0x0000000000400000-0x0000000005D65000-memory.dmp

Filesize
89.4MB

Download
memory/372-10-0x0000000000400000-0x0000000005D65000-memory.dmp

Filesize
89.4MB

Download
memory/372-3-0x0000000005F00000-0x0000000006000000-memory.dmp

Filesize
1024KB

Download
memory/372-11-0x0000000000400000-0x0000000005D65000-memory.dmp

Filesize
89.4MB

Download
memory/4684-15-0x0000000000310000-0x0000000000325000-memory.dmp

Filesize
84KB

Download
memory/4684-17-0x0000000000310000-0x0000000000325000-memory.dmp

Filesize
84KB

Download
memory/4684-18-0x0000000000310000-0x0000000000325000-memory.dmp

Filesize
84KB

Download
memory/5052-13-0x0000000000400000-0x0000000005D65000-memory.dmp

Filesize
89.4MB

Download
memory/5052-19-0x0000000000400000-0x0000000005D65000-memory.dmp

Filesize
89.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads