kinsing | 446f5d4bdeb230747be93d2559e93006951730671d62d6ac1af8f7675fa29916

Analysis

max time kernel
91s
max time network
128s
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 16:55

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General

Target

75062f0c176769202af8cfe712bc141b.exe
Size

4.0MB
MD5

75062f0c176769202af8cfe712bc141b
SHA1

0847ff0777e9017bb71f5de6700e82baf7a0d3de
SHA256

446f5d4bdeb230747be93d2559e93006951730671d62d6ac1af8f7675fa29916
SHA512

93745d7a3373df154781236efbed2dbfc8b7306f9ae301daa0db21ba0240f6e2373af6448864d22f35f00f39a116b5bba836a9862bdf33a3de8dbff147af0d5d
SSDEEP

98304:7JoTa2NqO3oE6d5u889y15uxobSRWGR0IS2FVErAgEXqH+2:4amqS6ds8Qoux9rejaELQ2+2

Score

10^/10

kinsing loader persistence

Malware Config

Signatures

Kinsing
Kinsing is a loader written in Golang.
loader kinsing

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

75062f0c176769202af8cfe712bc141b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\jusched.exe = "C:\\Windows\\System32\\jusched.exe"	75062f0c176769202af8cfe712bc141b.exe

Drops file in System32 directory 2 IoCs

Processes:

75062f0c176769202af8cfe712bc141b.exe

description	ioc	process
File created	C:\Windows\SysWOW64\jusched.exe	75062f0c176769202af8cfe712bc141b.exe
File opened for modification	C:\Windows\SysWOW64\jusched.exe	75062f0c176769202af8cfe712bc141b.exe

Program crash 3 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
3860	2460	WerFault.exe	75062f0c176769202af8cfe712bc141b.exe
3372	2460	WerFault.exe	75062f0c176769202af8cfe712bc141b.exe
2544	2460	WerFault.exe	75062f0c176769202af8cfe712bc141b.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

1388 schtasks.exe

pid	process
1388	schtasks.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

75062f0c176769202af8cfe712bc141b.exe

description	pid	process	target process
PID 2460 wrote to memory of 1388	2460	75062f0c176769202af8cfe712bc141b.exe	schtasks.exe
PID 2460 wrote to memory of 1388	2460	75062f0c176769202af8cfe712bc141b.exe	schtasks.exe
PID 2460 wrote to memory of 1388	2460	75062f0c176769202af8cfe712bc141b.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\75062f0c176769202af8cfe712bc141b.exe
"C:\Users\Admin\AppData\Local\Temp\75062f0c176769202af8cfe712bc141b.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2460 -s 388
2⤵
- Program crash
PID:3860

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn startt /tr c:\autoexec.bat /sc onstart /ru system
2⤵
- Creates scheduled task(s)
PID:1388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2460 -s 656
2⤵
- Program crash
PID:3372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2460 -s 588
2⤵
- Program crash
PID:2544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 2460 -ip 2460
1⤵
PID:3928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2460 -ip 2460
1⤵
PID:1584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2460 -ip 2460
1⤵
PID:4272

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2460-1-0x0000000000400000-0x0000000001334000-memory.dmp

Filesize
15.2MB

Download
memory/2460-2-0x0000000001480000-0x00000000014C7000-memory.dmp

Filesize
284KB

Download
memory/2460-3-0x0000000000400000-0x0000000001334000-memory.dmp

Filesize
15.2MB

Download
memory/2460-5-0x0000000005EA0000-0x0000000005F22000-memory.dmp

Filesize
520KB

Download
memory/2460-8-0x0000000003530000-0x0000000003531000-memory.dmp

Filesize
4KB

Download
memory/2460-4-0x0000000001430000-0x000000000143E000-memory.dmp

Filesize
56KB

Download
memory/2460-9-0x0000000000400000-0x0000000001334000-memory.dmp

Filesize
15.2MB

Download
memory/2460-10-0x0000000001480000-0x00000000014C7000-memory.dmp

Filesize
284KB

Download