kinsing | 9b29a05ee7b258c6d63243041b20a8321b453d300b402b4206d925cfe0fa2e2c

Analysis

max time kernel
92s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2024 17:02

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General

Target

7509c6db76dc1290950464d0a235c41f.exe
Size

196KB
MD5

7509c6db76dc1290950464d0a235c41f
SHA1

6cf611c5a1cb65a2bfff30918d9fd7db67a27061
SHA256

9b29a05ee7b258c6d63243041b20a8321b453d300b402b4206d925cfe0fa2e2c
SHA512

d5ac76d9a55787f32f7ab4cc34aa0daf501c770ac2325e4db3fc9e5eefbfe51c8ed8152f469ffaa462821d85f48b476b8b4d7226ca500d591a50405b5854b5b4
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/e8Mh1thz/Q:o68i3odBiTl2+TCU/61thzQ

Score

10^/10

kinsing loader persistence

Malware Config

Signatures

Kinsing
Kinsing is a loader written in Golang.
loader kinsing
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:

cmd.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation cmd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

7509c6db76dc1290950464d0a235c41f.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart"	7509c6db76dc1290950464d0a235c41f.exe

Drops file in Windows directory 12 IoCs

Processes:

7509c6db76dc1290950464d0a235c41f.exe

description	ioc	process
File created	C:\Windows\SHARE_TEMP\Icon3.ico	7509c6db76dc1290950464d0a235c41f.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	7509c6db76dc1290950464d0a235c41f.exe
File created	C:\Windows\bugMAKER.bat	7509c6db76dc1290950464d0a235c41f.exe
File created	C:\Windows\winhash_up.exez	7509c6db76dc1290950464d0a235c41f.exe
File opened for modification	C:\Windows\winhash_up.exez	7509c6db76dc1290950464d0a235c41f.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	7509c6db76dc1290950464d0a235c41f.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	7509c6db76dc1290950464d0a235c41f.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	7509c6db76dc1290950464d0a235c41f.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	7509c6db76dc1290950464d0a235c41f.exe
File created	C:\Windows\winhash_up.exe	7509c6db76dc1290950464d0a235c41f.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	7509c6db76dc1290950464d0a235c41f.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	7509c6db76dc1290950464d0a235c41f.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

cmd.exe

pid process

2420 cmd.exe

pid	process
2420	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

7509c6db76dc1290950464d0a235c41f.exe

description	pid	process	target process
PID 4784 wrote to memory of 2420	4784	7509c6db76dc1290950464d0a235c41f.exe	cmd.exe
PID 4784 wrote to memory of 2420	4784	7509c6db76dc1290950464d0a235c41f.exe	cmd.exe
PID 4784 wrote to memory of 2420	4784	7509c6db76dc1290950464d0a235c41f.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\7509c6db76dc1290950464d0a235c41f.exe
"C:\Users\Admin\AppData\Local\Temp\7509c6db76dc1290950464d0a235c41f.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4784

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat
2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
PID:2420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\bugMAKER.bat
Filesize
76B

MD5
0fc5f84acc5f6db6e85e2fbb854dff47

SHA1
d49ae134a7303fd823f8953af36e9d8413d7ad82

SHA256
81b45385f877ce1b08e99333bf166b119ac6a3c037bdab6e20f769a1345b005f

SHA512
276eed7856beb74120433eefa89e15dbbc1ddbaa2ef177846635d21f3b2129fd148cd345f54e3220d9b948c49a4e19686fa800698af659481e193c6daf53a373

Download Submit
memory/4784-24-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

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