tofsee | 5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959

General

Target

5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe
Size

153KB
MD5

c8f91e493d1e36838e613915dea38aef
SHA1

b4b6ae99c4ba7bfefbfab627c41702a458cbefc1
SHA256

5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959
SHA512

62d2b5b49721969479efade45d43da049e3c1cadef12b7ef0b996a5e35bca5ac4acb27fefb77e0e4494aefead3fb363934d7116def0298a9e4106c1cb4c99830

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\xhyhanms = "0"	svchost.exe

Creates new service(s) 1 TTPs
persistence

New Service
T1050
Executes dropped EXE 1 IoCs

Processes:

qocopkio.exe

pid process

308 qocopkio.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

268 netsh.exe

pid	process
308	qocopkio.exe

pid	process
268	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\xhyhanms\ImagePath = "C:\\Windows\\SysWOW64\\xhyhanms\\qocopkio.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

1212 svchost.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

qocopkio.exe

description pid process target process

PID 308 set thread context of 1212 308 qocopkio.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

1360 sc.exe
1972 sc.exe
1068 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
1212	svchost.exe

description	pid	process	target process
PID 308 set thread context of 1212	308	qocopkio.exe	svchost.exe

pid	process
1360	sc.exe
1972	sc.exe
1068	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exeqocopkio.exe

description	pid	process	target process
PID 960 wrote to memory of 1384	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	cmd.exe
PID 960 wrote to memory of 1384	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	cmd.exe
PID 960 wrote to memory of 1384	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	cmd.exe
PID 960 wrote to memory of 1384	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	cmd.exe
PID 960 wrote to memory of 1276	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	cmd.exe
PID 960 wrote to memory of 1276	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	cmd.exe
PID 960 wrote to memory of 1276	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	cmd.exe
PID 960 wrote to memory of 1276	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	cmd.exe
PID 960 wrote to memory of 1360	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	sc.exe
PID 960 wrote to memory of 1360	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	sc.exe
PID 960 wrote to memory of 1360	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	sc.exe
PID 960 wrote to memory of 1360	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	sc.exe
PID 960 wrote to memory of 1972	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	sc.exe
PID 960 wrote to memory of 1972	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	sc.exe
PID 960 wrote to memory of 1972	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	sc.exe
PID 960 wrote to memory of 1972	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	sc.exe
PID 960 wrote to memory of 1068	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	sc.exe
PID 960 wrote to memory of 1068	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	sc.exe
PID 960 wrote to memory of 1068	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	sc.exe
PID 960 wrote to memory of 1068	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	sc.exe
PID 960 wrote to memory of 268	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	netsh.exe
PID 960 wrote to memory of 268	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	netsh.exe
PID 960 wrote to memory of 268	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	netsh.exe
PID 960 wrote to memory of 268	960	5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe	netsh.exe
PID 308 wrote to memory of 1212	308	qocopkio.exe	svchost.exe
PID 308 wrote to memory of 1212	308	qocopkio.exe	svchost.exe
PID 308 wrote to memory of 1212	308	qocopkio.exe	svchost.exe
PID 308 wrote to memory of 1212	308	qocopkio.exe	svchost.exe
PID 308 wrote to memory of 1212	308	qocopkio.exe	svchost.exe
PID 308 wrote to memory of 1212	308	qocopkio.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe
"C:\Users\Admin\AppData\Local\Temp\5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:960

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xhyhanms\
2⤵
PID:1384

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qocopkio.exe" C:\Windows\SysWOW64\xhyhanms\
2⤵
PID:1276

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create xhyhanms binPath= "C:\Windows\SysWOW64\xhyhanms\qocopkio.exe /d\"C:\Users\Admin\AppData\Local\Temp\5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:1360

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description xhyhanms "wifi internet conection"
2⤵
- Launches sc.exe
PID:1972

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start xhyhanms
2⤵
- Launches sc.exe
PID:1068

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:268

C:\Windows\SysWOW64\xhyhanms\qocopkio.exe
C:\Windows\SysWOW64\xhyhanms\qocopkio.exe /d"C:\Users\Admin\AppData\Local\Temp\5c3b9c929cac14277c3f810b57a487a6093470e3b4fd56ac65ab2d3f6b4e9959.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:308

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:1212

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

New Service

1

T1050

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

New Service

1

T1050

Defense Evasion

Disabling Security Tools

1

T1089

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\qocopkio.exe
Filesize
14.8MB

MD5
6d84131c77c35a97a35007dc550a4b09

SHA1
2c624aaa2ddf019d1c5ed1a178aad509768fa7bf

SHA256
bd9e3e6e32a622557fe267a670ca935e27d90c7e3408bdf4e560d58f5030210e

SHA512
ce244f5dbc6606684b05f0a24bfd9fe0a6046da29cc261d30c623d1771b99365fe6113b1950886f1d775771f142faa6124467d0f6c85533049811ee9e1aabe3e

Download Submit
C:\Windows\SysWOW64\xhyhanms\qocopkio.exe
Filesize
14.8MB

MD5
6d84131c77c35a97a35007dc550a4b09

SHA1
2c624aaa2ddf019d1c5ed1a178aad509768fa7bf

SHA256
bd9e3e6e32a622557fe267a670ca935e27d90c7e3408bdf4e560d58f5030210e

SHA512
ce244f5dbc6606684b05f0a24bfd9fe0a6046da29cc261d30c623d1771b99365fe6113b1950886f1d775771f142faa6124467d0f6c85533049811ee9e1aabe3e

Download Submit
memory/268-62-0x0000000000000000-mapping.dmp

Download
memory/308-65-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/960-55-0x0000000075301000-0x0000000075303000-memory.dmp

Filesize
8KB

Download
memory/960-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1068-61-0x0000000000000000-mapping.dmp

Download
memory/1212-69-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1212-67-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1212-70-0x0000000000089A6B-mapping.dmp

Download
memory/1212-73-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1212-74-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1212-75-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1276-57-0x0000000000000000-mapping.dmp

Download
memory/1360-59-0x0000000000000000-mapping.dmp

Download
memory/1384-56-0x0000000000000000-mapping.dmp

Download
memory/1972-60-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads