809f5007e7e771dbb791d08e166770b17c2de15908b300ef1a241ac9f23215d3

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2022, 22:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

809f5007e7e771dbb791d08e166770b17c2de15908b300ef1a241ac9f23215d3.exe
Size

269KB
MD5

076a6e93f37e0fc136e282d46bbe2801
SHA1

8bc5d88456293e305215afd6c36244a901293e50
SHA256

809f5007e7e771dbb791d08e166770b17c2de15908b300ef1a241ac9f23215d3
SHA512

dcea2bcc71be8c5e943003a14b9e259287695b656d04734a02bcbc2fdf7a499abba780e217c77f957cae3ad238097cc02d715d83e1efeec8bc0f4b88201507c5
SSDEEP

6144:gLrA7C3WTj43klok5R6QxKP9UDCxe4ZtYE6dxIQoWV:gfKqWwklok58FegtV6Z7V

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2496	tiyjn.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run	tiyjn.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tiyjn = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Yxpys\\tiyjn.exe"	tiyjn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 516 set thread context of 4392	516	809f5007e7e771dbb791d08e166770b17c2de15908b300ef1a241ac9f23215d3.exe	83

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
516	809f5007e7e771dbb791d08e166770b17c2de15908b300ef1a241ac9f23215d3.exe
516	809f5007e7e771dbb791d08e166770b17c2de15908b300ef1a241ac9f23215d3.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe
2496	tiyjn.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 516 wrote to memory of 2496	516	809f5007e7e771dbb791d08e166770b17c2de15908b300ef1a241ac9f23215d3.exe	82
PID 516 wrote to memory of 2496	516	809f5007e7e771dbb791d08e166770b17c2de15908b300ef1a241ac9f23215d3.exe	82
PID 516 wrote to memory of 2496	516	809f5007e7e771dbb791d08e166770b17c2de15908b300ef1a241ac9f23215d3.exe	82
PID 2496 wrote to memory of 2260	2496	tiyjn.exe	13
PID 2496 wrote to memory of 2260	2496	tiyjn.exe	13
PID 2496 wrote to memory of 2260	2496	tiyjn.exe	13
PID 2496 wrote to memory of 2260	2496	tiyjn.exe	13
PID 2496 wrote to memory of 2260	2496	tiyjn.exe	13
PID 2496 wrote to memory of 2276	2496	tiyjn.exe	51
PID 2496 wrote to memory of 2276	2496	tiyjn.exe	51
PID 2496 wrote to memory of 2276	2496	tiyjn.exe	51
PID 2496 wrote to memory of 2276	2496	tiyjn.exe	51
PID 2496 wrote to memory of 2276	2496	tiyjn.exe	51
PID 2496 wrote to memory of 2364	2496	tiyjn.exe	50
PID 2496 wrote to memory of 2364	2496	tiyjn.exe	50
PID 2496 wrote to memory of 2364	2496	tiyjn.exe	50
PID 2496 wrote to memory of 2364	2496	tiyjn.exe	50
PID 2496 wrote to memory of 2364	2496	tiyjn.exe	50
PID 2496 wrote to memory of 3036	2496	tiyjn.exe	41
PID 2496 wrote to memory of 3036	2496	tiyjn.exe	41
PID 2496 wrote to memory of 3036	2496	tiyjn.exe	41
PID 2496 wrote to memory of 3036	2496	tiyjn.exe	41
PID 2496 wrote to memory of 3036	2496	tiyjn.exe	41
PID 2496 wrote to memory of 8	2496	tiyjn.exe	40
PID 2496 wrote to memory of 8	2496	tiyjn.exe	40
PID 2496 wrote to memory of 8	2496	tiyjn.exe	40
PID 2496 wrote to memory of 8	2496	tiyjn.exe	40
PID 2496 wrote to memory of 8	2496	tiyjn.exe	40
PID 2496 wrote to memory of 3260	2496	tiyjn.exe	39
PID 2496 wrote to memory of 3260	2496	tiyjn.exe	39
PID 2496 wrote to memory of 3260	2496	tiyjn.exe	39
PID 2496 wrote to memory of 3260	2496	tiyjn.exe	39
PID 2496 wrote to memory of 3260	2496	tiyjn.exe	39
PID 2496 wrote to memory of 3364	2496	tiyjn.exe	38
PID 2496 wrote to memory of 3364	2496	tiyjn.exe	38
PID 2496 wrote to memory of 3364	2496	tiyjn.exe	38
PID 2496 wrote to memory of 3364	2496	tiyjn.exe	38
PID 2496 wrote to memory of 3364	2496	tiyjn.exe	38
PID 2496 wrote to memory of 3432	2496	tiyjn.exe	15
PID 2496 wrote to memory of 3432	2496	tiyjn.exe	15
PID 2496 wrote to memory of 3432	2496	tiyjn.exe	15
PID 2496 wrote to memory of 3432	2496	tiyjn.exe	15
PID 2496 wrote to memory of 3432	2496	tiyjn.exe	15
PID 2496 wrote to memory of 3520	2496	tiyjn.exe	37
PID 2496 wrote to memory of 3520	2496	tiyjn.exe	37
PID 2496 wrote to memory of 3520	2496	tiyjn.exe	37
PID 2496 wrote to memory of 3520	2496	tiyjn.exe	37
PID 2496 wrote to memory of 3520	2496	tiyjn.exe	37
PID 2496 wrote to memory of 3720	2496	tiyjn.exe	36
PID 2496 wrote to memory of 3720	2496	tiyjn.exe	36
PID 2496 wrote to memory of 3720	2496	tiyjn.exe	36
PID 2496 wrote to memory of 3720	2496	tiyjn.exe	36
PID 2496 wrote to memory of 3720	2496	tiyjn.exe	36
PID 2496 wrote to memory of 4688	2496	tiyjn.exe	33
PID 2496 wrote to memory of 4688	2496	tiyjn.exe	33
PID 2496 wrote to memory of 4688	2496	tiyjn.exe	33
PID 2496 wrote to memory of 4688	2496	tiyjn.exe	33
PID 2496 wrote to memory of 4688	2496	tiyjn.exe	33
PID 2496 wrote to memory of 516	2496	tiyjn.exe	81
PID 2496 wrote to memory of 516	2496	tiyjn.exe	81
PID 2496 wrote to memory of 516	2496	tiyjn.exe	81
PID 2496 wrote to memory of 516	2496	tiyjn.exe	81
PID 2496 wrote to memory of 516	2496	tiyjn.exe	81
PID 516 wrote to memory of 4392	516	809f5007e7e771dbb791d08e166770b17c2de15908b300ef1a241ac9f23215d3.exe	83

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2260

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3432

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4688

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3720

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:3520

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3364

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3260

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:8

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3036
- C:\Users\Admin\AppData\Local\Temp\809f5007e7e771dbb791d08e166770b17c2de15908b300ef1a241ac9f23215d3.exe
  "C:\Users\Admin\AppData\Local\Temp\809f5007e7e771dbb791d08e166770b17c2de15908b300ef1a241ac9f23215d3.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:516
- - C:\Users\Admin\AppData\Local\Temp\Yxpys\tiyjn.exe
    "C:\Users\Admin\AppData\Local\Temp\Yxpys\tiyjn.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2496
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\JMQA25F.bat"
    3⤵
    PID:4392

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2364

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2276

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\JMQA25F.bat

Filesize
274B

MD5
2f13710c719415dee897be182dcd36f2

SHA1
b94f4a03ed0bf4cb86cefacc289f95cb2b8db694

SHA256
c123812058051b5dbc9fd383d1045312cc0eb7a873a560e619a83c045ed7d516

SHA512
628d35be0deac65716cf48f57159ae7a09045fcda2f595c52eca110eeade9091a7584dfb95a3744ad6c82430cf79dbc820289abadb51b6ef5db53a30295a9478

Download Submit
C:\Users\Admin\AppData\Local\Temp\Yxpys\tiyjn.exe

Filesize
269KB

MD5
dac110c756487311f4a27c6252cd8888

SHA1
5538f5693a25fa1a35be30edf7bf188f67dc2413

SHA256
9d59e7c07167acacbc158cecccbf01ed72c6aa5751e04793fa1120bd95fbad92

SHA512
4a488a177c6b548157b84ac344558616011dd2d1a97bda2c8a2f838664637baa53d80fbf2ed2724bd8df64170c6b6a05d588327ccdaefb8e9e063c405e247c61

Download Submit
C:\Users\Admin\AppData\Local\Temp\Yxpys\tiyjn.exe

Filesize
269KB

MD5
dac110c756487311f4a27c6252cd8888

SHA1
5538f5693a25fa1a35be30edf7bf188f67dc2413

SHA256
9d59e7c07167acacbc158cecccbf01ed72c6aa5751e04793fa1120bd95fbad92

SHA512
4a488a177c6b548157b84ac344558616011dd2d1a97bda2c8a2f838664637baa53d80fbf2ed2724bd8df64170c6b6a05d588327ccdaefb8e9e063c405e247c61

Download Submit
memory/516-145-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/516-144-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/516-135-0x0000000000400000-0x000000000056C000-memory.dmp

Filesize
1.4MB

Download
memory/516-134-0x00000000007D0000-0x00000000007E9000-memory.dmp

Filesize
100KB

Download
memory/516-141-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/516-142-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/516-143-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/516-133-0x000000000083F000-0x0000000000842000-memory.dmp

Filesize
12KB

Download
memory/516-146-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/516-150-0x0000000000640000-0x0000000000682000-memory.dmp

Filesize
264KB

Download
memory/516-149-0x000000000083F000-0x0000000000842000-memory.dmp

Filesize
12KB

Download
memory/516-132-0x0000000000400000-0x000000000056C000-memory.dmp

Filesize
1.4MB

Download
memory/2496-162-0x00000000005F0000-0x0000000000609000-memory.dmp

Filesize
100KB

Download
memory/2496-159-0x000000000075F000-0x0000000000762000-memory.dmp

Filesize
12KB

Download
memory/2496-160-0x00000000005F0000-0x0000000000609000-memory.dmp

Filesize
100KB

Download
memory/4392-148-0x0000000000D80000-0x0000000000DC2000-memory.dmp

Filesize
264KB

Download
memory/4392-155-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/4392-154-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/4392-156-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/4392-157-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/4392-158-0x0000000000D80000-0x0000000000DC2000-memory.dmp

Filesize
264KB

Download
memory/4392-153-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/4392-152-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/4392-151-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download