kinsing | 300fe6224578b1254a43444f7e1783dd608a6c065d4e6089e7560e719fc787b2

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2024 17:27

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General

Target

itadx.exe
Size

649KB
MD5

5e39f718790c8ab61b5fda0607ab046b
SHA1

be58a7d81bec145e61b291b9ba07d153b17fdb1d
SHA256

40a4758940e1bce888e96d4aa27c24032805a41700d5a0af5bddc174e247c683
SHA512

f08366a667eff30a3cb95f5ce37b712c55cbd251449eed0db24fee39f1a412d4924371db7444478fee7d5ee56a1835f5165bd2772fe7a97d3d94d1d96feed67e
SSDEEP

12288:L2qoY5sffWpiTHkfRvEwhc5Yh9gH1NcMRoNvia9N0HFW+DgnhLvLQ9WVB57:1GA0HkpvEwh2Yng8MRoAcCfghLLQ9OBV

Score

10^/10

kinsing aspackv2 loader persistence upx

Malware Config

Signatures

Kinsing
Kinsing is a loader written in Golang.
loader kinsing

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
C:\Program Files (x86)\bckmsn\mpvisdm.dll	acprotect

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
C:\Program Files (x86)\bckmsn\bckmsn.exe	aspack_v212_v242

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:

itadx.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation itadx.exe
Executes dropped EXE 1 IoCs

Processes:

bckmsn.exe

pid process

1436 bckmsn.exe
Loads dropped DLL 1 IoCs

Processes:

bckmsn.exe

pid process

1436 bckmsn.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	itadx.exe

pid	process
1436	bckmsn.exe

pid	process
1436	bckmsn.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral14/memory/2324-0-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral14/memory/2324-12-0x0000000000400000-0x0000000000423000-memory.dmp	upx
C:\Program Files (x86)\bckmsn\mpvisdm.dll	upx
behavioral14/memory/1436-17-0x0000000010000000-0x00000000100FD000-memory.dmp	upx
behavioral14/memory/1436-20-0x0000000010000000-0x00000000100FD000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

bckmsn.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\bckmsn = "C:\\Program Files (x86)\\bckmsn\\bckmsn.exe"	bckmsn.exe

Drops file in Program Files directory 7 IoCs

Processes:

itadx.exebckmsn.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\bckmsn	itadx.exe
File created	C:\Program Files (x86)\bckmsn\bckmsn.exe	itadx.exe
File opened for modification	C:\Program Files (x86)\bckmsn\bckmsn.exe	itadx.exe
File created	C:\Program Files (x86)\bckmsn\mpvisdm.dll	itadx.exe
File opened for modification	C:\Program Files (x86)\bckmsn\mpvisdm.dll	itadx.exe
File created	C:\PROGRA~2\bckmsn\200~1.1\dmplayer.dll	bckmsn.exe
File created	C:\Program Files (x86)\bckmsn\info.dat	bckmsn.exe

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

System Information Discovery
T1082
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

bckmsn.exe

pid process

1436 bckmsn.exe
1436 bckmsn.exe

pid	process
1436	bckmsn.exe
1436	bckmsn.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

itadx.exe

description	pid	process	target process
PID 2324 wrote to memory of 1436	2324	itadx.exe	bckmsn.exe
PID 2324 wrote to memory of 1436	2324	itadx.exe	bckmsn.exe
PID 2324 wrote to memory of 1436	2324	itadx.exe	bckmsn.exe

C:\Users\Admin\AppData\Local\Temp\itadx.exe
"C:\Users\Admin\AppData\Local\Temp\itadx.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2324

C:\Program Files (x86)\bckmsn\bckmsn.exe
"C:\Program Files (x86)\bckmsn\bckmsn.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
PID:1436

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

Replay Monitor

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Downloads

C:\Program Files (x86)\bckmsn\bckmsn.exe
Filesize
237KB

MD5
ef5ec12bc67a3391646e48810dd2bab4

SHA1
b57e0aa8ade39642f454c1a179be4ff94f427702

SHA256
5fcaee3ea4ff2b50085af85f3ddd7ae9cdcebcb7a819c5b5d744fbe91a4293ae

SHA512
504702736ced85c8ca01fd7f36a5cc30706254b5fecdb45c05f494d3130f6af08ebc468923aa89a0f95b7b9091f3aa390ff2d5cc5378bedceaef9b4cdd46fcf0

Download Submit
C:\Program Files (x86)\bckmsn\info.dat
Filesize
4KB

MD5
b879cab8736199a150f07f551dfc8f2f

SHA1
f09ab4bbd42bbc80d5ea7f1c44b2cb54c3541018

SHA256
ef6a059c7165ad3bc6060965eb3440544066c10f920045be0a3793970a8843e1

SHA512
7a390cd4ef77f1c1685a9d584873e22288ee4fbe7d64d42b2aff3ccc9a307eea6cc4348798bea64e84dd861c77adb0081c9d1b494fe87d405505a92637f92acf

Download Submit
C:\Program Files (x86)\bckmsn\mpvisdm.dll
Filesize
379KB

MD5
607ce5e3f197f37380660eb252f31366

SHA1
784b907bb3b2b4b42f86a200d99c9ba6a2638b58

SHA256
1b4b0ac73a1ea1167f91f87f5c901d920dd563b5288f869386a75eb694edb516

SHA512
0abcade5dcff4b609a33cb57a3130bb40f729e4a2293b6c50f8b5d84a526b054afdfc5c48239de2f190b2daa8302abef67cc077dfa80df1c20fbecd924c6d761

Download Submit
memory/1436-13-0x0000000002110000-0x0000000002111000-memory.dmp

Filesize
4KB

Download
memory/1436-17-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1436-19-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/1436-20-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1436-27-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/1436-29-0x0000000002110000-0x0000000002111000-memory.dmp

Filesize
4KB

Download
memory/2324-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2324-12-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download