tofsee | 0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8

General

Target

0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe
Size

98KB
MD5

b34b1258a1e5b89d9fbdd9aac4c47bec
SHA1

8f1550ed6e666752230cf637c71743512a6dda45
SHA256

0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8
SHA512

1bb74f49b3e37f60afc80c607460e451e143856a0a7212ef3136dc34ecb3969e27370b7fc5266ff73fd8eab62b5155d96a8288fb247f6104a1a911130dc306d5

Score

10^/10

tofsee evasion persistence 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

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\iqjugkhw = "0"	svchost.exe

Creates new service(s) 1 TTPs
persistence

New Service
T1050
Executes dropped EXE 1 IoCs

Processes:

qviilkaf.exe

pid process

1704 qviilkaf.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

772 netsh.exe

pid	process
1704	qviilkaf.exe

pid	process
772	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\iqjugkhw\ImagePath = "C:\\Windows\\SysWOW64\\iqjugkhw\\qviilkaf.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

824 svchost.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

qviilkaf.exe

description pid process target process

PID 1704 set thread context of 824 1704 qviilkaf.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

2032 sc.exe
588 sc.exe
1708 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
824	svchost.exe

description	pid	process	target process
PID 1704 set thread context of 824	1704	qviilkaf.exe	svchost.exe

pid	process
2032	sc.exe
588	sc.exe
1708	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exeqviilkaf.exe

description	pid	process	target process
PID 1528 wrote to memory of 1164	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	cmd.exe
PID 1528 wrote to memory of 1164	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	cmd.exe
PID 1528 wrote to memory of 1164	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	cmd.exe
PID 1528 wrote to memory of 1164	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	cmd.exe
PID 1528 wrote to memory of 1308	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	cmd.exe
PID 1528 wrote to memory of 1308	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	cmd.exe
PID 1528 wrote to memory of 1308	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	cmd.exe
PID 1528 wrote to memory of 1308	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	cmd.exe
PID 1528 wrote to memory of 2032	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	sc.exe
PID 1528 wrote to memory of 2032	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	sc.exe
PID 1528 wrote to memory of 2032	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	sc.exe
PID 1528 wrote to memory of 2032	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	sc.exe
PID 1528 wrote to memory of 588	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	sc.exe
PID 1528 wrote to memory of 588	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	sc.exe
PID 1528 wrote to memory of 588	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	sc.exe
PID 1528 wrote to memory of 588	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	sc.exe
PID 1528 wrote to memory of 1708	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	sc.exe
PID 1528 wrote to memory of 1708	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	sc.exe
PID 1528 wrote to memory of 1708	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	sc.exe
PID 1528 wrote to memory of 1708	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	sc.exe
PID 1528 wrote to memory of 772	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	netsh.exe
PID 1528 wrote to memory of 772	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	netsh.exe
PID 1528 wrote to memory of 772	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	netsh.exe
PID 1528 wrote to memory of 772	1528	0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe	netsh.exe
PID 1704 wrote to memory of 824	1704	qviilkaf.exe	svchost.exe
PID 1704 wrote to memory of 824	1704	qviilkaf.exe	svchost.exe
PID 1704 wrote to memory of 824	1704	qviilkaf.exe	svchost.exe
PID 1704 wrote to memory of 824	1704	qviilkaf.exe	svchost.exe
PID 1704 wrote to memory of 824	1704	qviilkaf.exe	svchost.exe
PID 1704 wrote to memory of 824	1704	qviilkaf.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe
"C:\Users\Admin\AppData\Local\Temp\0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1528

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\iqjugkhw\
2⤵
PID:1164

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qviilkaf.exe" C:\Windows\SysWOW64\iqjugkhw\
2⤵
PID:1308

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create iqjugkhw binPath= "C:\Windows\SysWOW64\iqjugkhw\qviilkaf.exe /d\"C:\Users\Admin\AppData\Local\Temp\0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2032

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description iqjugkhw "wifi internet conection"
2⤵
- Launches sc.exe
PID:588

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start iqjugkhw
2⤵
- Launches sc.exe
PID:1708

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
PID:772

C:\Windows\SysWOW64\iqjugkhw\qviilkaf.exe
C:\Windows\SysWOW64\iqjugkhw\qviilkaf.exe /d"C:\Users\Admin\AppData\Local\Temp\0f46fce8d6203de3ea82a70f7abddfbf95850f7b1356ac967e05d955aa1566d8.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1704

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:824

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

New Service

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

New Service

1

T1050

Defense Evasion

Disabling Security Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\qviilkaf.exe
Filesize
11.4MB

MD5
c07ba6bed86120c640639b8d65d3aa08

SHA1
a0da9f30d664095e5b817fa65ff206a02a4405ae

SHA256
68d283939acf7ee6e5f022adbfbe744ab211cdd64f33b1991a7aaae5bfb82b22

SHA512
d4c18de612065ef1ac6ab83dbd7da116d44daf0a31668fc5ee1afb93acb279ebb59070382805a204ecdc9b71ad5cfd61d33f91153bed9c52a0635ab20c4f372c

Download Submit
C:\Windows\SysWOW64\iqjugkhw\qviilkaf.exe
Filesize
11.4MB

MD5
c07ba6bed86120c640639b8d65d3aa08

SHA1
a0da9f30d664095e5b817fa65ff206a02a4405ae

SHA256
68d283939acf7ee6e5f022adbfbe744ab211cdd64f33b1991a7aaae5bfb82b22

SHA512
d4c18de612065ef1ac6ab83dbd7da116d44daf0a31668fc5ee1afb93acb279ebb59070382805a204ecdc9b71ad5cfd61d33f91153bed9c52a0635ab20c4f372c

Download Submit
memory/588-60-0x0000000000000000-mapping.dmp

Download
memory/772-62-0x0000000000000000-mapping.dmp

Download
memory/824-66-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/824-68-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/824-69-0x0000000000089A6B-mapping.dmp

Download
memory/824-73-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/824-75-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1164-56-0x0000000000000000-mapping.dmp

Download
memory/1308-57-0x0000000000000000-mapping.dmp

Download
memory/1528-54-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1528-55-0x00000000764C1000-0x00000000764C3000-memory.dmp

Filesize
8KB

Download
memory/1704-64-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1708-61-0x0000000000000000-mapping.dmp

Download
memory/2032-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads