kinsing | 333c5e939a6e8d5d57be40c17f164d0dcd3116c022645287213b84667b31663e

Analysis

max time kernel
91s
max time network
148s
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 16:55

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General

Target

7505b3af707679b4ef5dd5d0d60e94a5.exe
Size

104KB
MD5

7505b3af707679b4ef5dd5d0d60e94a5
SHA1

456b87baf508aa8079f12642e9381ab7adfc984f
SHA256

333c5e939a6e8d5d57be40c17f164d0dcd3116c022645287213b84667b31663e
SHA512

35a31c0049469f0b97d0d2f02750451a7771c2527e68a8fe457a8071cc1be56d5f62bce88f3ebf6a4b7b22710c8066abbbd42cc5e97857325c25609b528cc623
SSDEEP

1536:Hn/oYXOOPRe442IlO1e3jN5rkzRNbo5bnB5wVk3dXyxzTWSzoX/O:H/owJR42veTNpkzD+B5wVktIcXm

Score

10^/10

kinsing loader

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:

7505b3af707679b4ef5dd5d0d60e94a5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	7505b3af707679b4ef5dd5d0d60e94a5.exe

Executes dropped EXE 1 IoCs

Processes:

winlog.exe

pid process

2908 winlog.exe
Drops file in Windows directory 1 IoCs

Processes:

7505b3af707679b4ef5dd5d0d60e94a5.exe

description ioc process

File opened for modification C:\WINDOWS\Help\winlog.exe 7505b3af707679b4ef5dd5d0d60e94a5.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Kills process with taskkill 4 IoCs
evasion

Processes:

taskkill.exetaskkill.exetaskkill.exetaskkill.exe

pid process

532 taskkill.exe
3508 taskkill.exe
2468 taskkill.exe
2836 taskkill.exe

pid	process
2908	winlog.exe

description	ioc	process
File opened for modification	C:\WINDOWS\Help\winlog.exe	7505b3af707679b4ef5dd5d0d60e94a5.exe

pid	process
532	taskkill.exe
3508	taskkill.exe
2468	taskkill.exe
2836	taskkill.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

taskkill.exetaskkill.exetaskkill.exetaskkill.exe

description	pid	process
Token: SeDebugPrivilege	2836	taskkill.exe
Token: SeDebugPrivilege	2468	taskkill.exe
Token: SeDebugPrivilege	3508	taskkill.exe
Token: SeDebugPrivilege	532	taskkill.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

7505b3af707679b4ef5dd5d0d60e94a5.exe

pid process

2180 7505b3af707679b4ef5dd5d0d60e94a5.exe

pid	process
2180	7505b3af707679b4ef5dd5d0d60e94a5.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

7505b3af707679b4ef5dd5d0d60e94a5.exe

description	pid	process	target process
PID 2180 wrote to memory of 2836	2180	7505b3af707679b4ef5dd5d0d60e94a5.exe	taskkill.exe
PID 2180 wrote to memory of 2836	2180	7505b3af707679b4ef5dd5d0d60e94a5.exe	taskkill.exe
PID 2180 wrote to memory of 2836	2180	7505b3af707679b4ef5dd5d0d60e94a5.exe	taskkill.exe
PID 2180 wrote to memory of 2468	2180	7505b3af707679b4ef5dd5d0d60e94a5.exe	taskkill.exe
PID 2180 wrote to memory of 2468	2180	7505b3af707679b4ef5dd5d0d60e94a5.exe	taskkill.exe
PID 2180 wrote to memory of 2468	2180	7505b3af707679b4ef5dd5d0d60e94a5.exe	taskkill.exe
PID 2180 wrote to memory of 3508	2180	7505b3af707679b4ef5dd5d0d60e94a5.exe	taskkill.exe
PID 2180 wrote to memory of 3508	2180	7505b3af707679b4ef5dd5d0d60e94a5.exe	taskkill.exe
PID 2180 wrote to memory of 3508	2180	7505b3af707679b4ef5dd5d0d60e94a5.exe	taskkill.exe
PID 2180 wrote to memory of 532	2180	7505b3af707679b4ef5dd5d0d60e94a5.exe	taskkill.exe
PID 2180 wrote to memory of 532	2180	7505b3af707679b4ef5dd5d0d60e94a5.exe	taskkill.exe
PID 2180 wrote to memory of 532	2180	7505b3af707679b4ef5dd5d0d60e94a5.exe	taskkill.exe
PID 2180 wrote to memory of 2908	2180	7505b3af707679b4ef5dd5d0d60e94a5.exe	winlog.exe
PID 2180 wrote to memory of 2908	2180	7505b3af707679b4ef5dd5d0d60e94a5.exe	winlog.exe
PID 2180 wrote to memory of 2908	2180	7505b3af707679b4ef5dd5d0d60e94a5.exe	winlog.exe

C:\Users\Admin\AppData\Local\Temp\7505b3af707679b4ef5dd5d0d60e94a5.exe
"C:\Users\Admin\AppData\Local\Temp\7505b3af707679b4ef5dd5d0d60e94a5.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2180

C:\Windows\SysWOW64\taskkill.exe
"C:\Windows\System32\taskkill.exe" /f /im SkypeClient.exe
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3508

C:\Windows\SysWOW64\taskkill.exe
"C:\Windows\System32\taskkill.exe" /f /im 360tray.exe
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2468

C:\Windows\SysWOW64\taskkill.exe
"C:\Windows\System32\taskkill.exe" /f /im 360Safe.exe
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2836

C:\Windows\SysWOW64\taskkill.exe
"C:\Windows\System32\taskkill.exe" /f /im Skype.exe
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:532

C:\WINDOWS\Help\winlog.exe
"C:\WINDOWS\Help\winlog.exe"
2⤵
- Executes dropped EXE
PID:2908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Help\winlog.exe
Filesize
14KB

MD5
43ba3c9dc1d49506fa03c4afafdea02e

SHA1
b3e54cec2a283acd9a40a8ba239714d809badf1f

SHA256
d6f1b2d93e6a3972fa4497e7287f8022609babded2319e5e974beb7e874c8521

SHA512
4548901f85c1f70c3cd3718861805cb947044bd63b1e1a9f763ed10c2e86002acf31102557537341f1fc33673273aceebb355bbee586b5015f934b515324c24a

Download Submit
memory/2180-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2180-1-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download