kinsing | 702854337926972a29d67bfde8673fc202b696f2dfccf7fd21227632e4280737

General

Target

750095c58829a6d8c2637a5533561606.exe
Size

13.4MB
MD5

750095c58829a6d8c2637a5533561606
SHA1

85bba5814cf21b4427925ac0978751639c57ebc2
SHA256

702854337926972a29d67bfde8673fc202b696f2dfccf7fd21227632e4280737
SHA512

e91a9ec8f678071335b2ed0880cdc2375975dff6186633f03ac7a6584c415aac8da4ea1aead227cd5c74b030137c00ce4fa0ff70db80bba3df74d839c56b439a
SSDEEP

49152:Kj55555555555555555555555555555555555555555555555555555555555557:

Score

10^/10

kinsing tofsee evasion loader persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Signatures

Kinsing
Kinsing is a loader written in Golang.
loader kinsing
Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Creates new service(s) 1 TTPs
persistence

Windows Service
T1543.003
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

4580 netsh.exe

pid	process
4580	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\qbhvippe\ImagePath = "C:\\Windows\\SysWOW64\\qbhvippe\\wwvbmahk.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:

750095c58829a6d8c2637a5533561606.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	750095c58829a6d8c2637a5533561606.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

3772 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

wwvbmahk.exe

pid process

2696 wwvbmahk.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

wwvbmahk.exe

description pid process target process

PID 2696 set thread context of 3772 2696 wwvbmahk.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

4976 sc.exe
4992 sc.exe
932 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3772	svchost.exe

pid	process
2696	wwvbmahk.exe

description	pid	process	target process
PID 2696 set thread context of 3772	2696	wwvbmahk.exe	svchost.exe

pid	process
4976	sc.exe
4992	sc.exe
932	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

750095c58829a6d8c2637a5533561606.exewwvbmahk.exe

description	pid	process	target process
PID 1628 wrote to memory of 1432	1628	750095c58829a6d8c2637a5533561606.exe	cmd.exe
PID 1628 wrote to memory of 1432	1628	750095c58829a6d8c2637a5533561606.exe	cmd.exe
PID 1628 wrote to memory of 1432	1628	750095c58829a6d8c2637a5533561606.exe	cmd.exe
PID 1628 wrote to memory of 4472	1628	750095c58829a6d8c2637a5533561606.exe	cmd.exe
PID 1628 wrote to memory of 4472	1628	750095c58829a6d8c2637a5533561606.exe	cmd.exe
PID 1628 wrote to memory of 4472	1628	750095c58829a6d8c2637a5533561606.exe	cmd.exe
PID 1628 wrote to memory of 4976	1628	750095c58829a6d8c2637a5533561606.exe	sc.exe
PID 1628 wrote to memory of 4976	1628	750095c58829a6d8c2637a5533561606.exe	sc.exe
PID 1628 wrote to memory of 4976	1628	750095c58829a6d8c2637a5533561606.exe	sc.exe
PID 1628 wrote to memory of 4992	1628	750095c58829a6d8c2637a5533561606.exe	sc.exe
PID 1628 wrote to memory of 4992	1628	750095c58829a6d8c2637a5533561606.exe	sc.exe
PID 1628 wrote to memory of 4992	1628	750095c58829a6d8c2637a5533561606.exe	sc.exe
PID 1628 wrote to memory of 932	1628	750095c58829a6d8c2637a5533561606.exe	sc.exe
PID 1628 wrote to memory of 932	1628	750095c58829a6d8c2637a5533561606.exe	sc.exe
PID 1628 wrote to memory of 932	1628	750095c58829a6d8c2637a5533561606.exe	sc.exe
PID 1628 wrote to memory of 4580	1628	750095c58829a6d8c2637a5533561606.exe	netsh.exe
PID 1628 wrote to memory of 4580	1628	750095c58829a6d8c2637a5533561606.exe	netsh.exe
PID 1628 wrote to memory of 4580	1628	750095c58829a6d8c2637a5533561606.exe	netsh.exe
PID 2696 wrote to memory of 3772	2696	wwvbmahk.exe	svchost.exe
PID 2696 wrote to memory of 3772	2696	wwvbmahk.exe	svchost.exe
PID 2696 wrote to memory of 3772	2696	wwvbmahk.exe	svchost.exe
PID 2696 wrote to memory of 3772	2696	wwvbmahk.exe	svchost.exe
PID 2696 wrote to memory of 3772	2696	wwvbmahk.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\750095c58829a6d8c2637a5533561606.exe
"C:\Users\Admin\AppData\Local\Temp\750095c58829a6d8c2637a5533561606.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1628

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qbhvippe\
2⤵
PID:1432

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wwvbmahk.exe" C:\Windows\SysWOW64\qbhvippe\
2⤵
PID:4472

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create qbhvippe binPath= "C:\Windows\SysWOW64\qbhvippe\wwvbmahk.exe /d\"C:\Users\Admin\AppData\Local\Temp\750095c58829a6d8c2637a5533561606.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:4976

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description qbhvippe "wifi internet conection"
2⤵
- Launches sc.exe
PID:4992

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start qbhvippe
2⤵
- Launches sc.exe
PID:932

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:4580

C:\Windows\SysWOW64\qbhvippe\wwvbmahk.exe
C:\Windows\SysWOW64\qbhvippe\wwvbmahk.exe /d"C:\Users\Admin\AppData\Local\Temp\750095c58829a6d8c2637a5533561606.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2696

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:3772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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

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\wwvbmahk.exe

Filesize
13.7MB

MD5
891461a241c243b808bc89d3ef818953

SHA1
c21b9e8885c3f73ce419f91eedca4506ccc34214

SHA256
8a8bd6c6e3c9d96b1697a0ff1701622300b2ce51e1b16b8c2b978528a3df13ef

SHA512
35536e8a1a8ea1d376e542c71bf8c6acb607e584fd8261482a114a5fbe0cde54957beb1c0633f31131c0397f5485c9e16e46dfb60482e8be66647e3977872193

Download Submit
C:\Windows\SysWOW64\qbhvippe\wwvbmahk.exe

Filesize
12.0MB

MD5
1258a3139d4145cdbd79f29dc4e12054

SHA1
e049c95ffd9cc3bb280c7228f008bb57bf174611

SHA256
10494bde9ea115b619a294bf92806d15612392cc0a09482c7a1628d438af5572

SHA512
5e96f4044706fb211cb013d475304aec13aeb34ed7160d48424b98aa600d3dae8a0ca6a2cea21cdcfc454461da694fc5678e90169e1e391b6c374d082361efe0

Download Submit
memory/1628-3-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/1628-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1628-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/1628-6-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1628-2-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2696-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2696-10-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/2696-14-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3772-11-0x0000000000F30000-0x0000000000F45000-memory.dmp

Filesize
84KB

Download
memory/3772-15-0x0000000000F30000-0x0000000000F45000-memory.dmp

Filesize
84KB

Download
memory/3772-16-0x0000000000F30000-0x0000000000F45000-memory.dmp

Filesize
84KB

Download
memory/3772-17-0x0000000000F30000-0x0000000000F45000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads