f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853

Analysis

max time kernel
152s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 22:13

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General

Target

f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe
Size

157KB
MD5

96e3f8c7566d2e0a9abc560c261d2969
SHA1

1ce481a9206eb3cf208cb36018b37882a9f83e64
SHA256

f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853
SHA512

38a050e67712538123825a86b0439a4d68e91fac1331bf7367825b32cffc503352352b055f284e9aafad1f9a77c99a2acb68b22ff85b69c11253ca44dc1d64e8
SSDEEP

3072:TpCjtzxD3F0DcmcIn+STVR8fNdUfZKcsgzG9tniBh5NJ3l:azAcdIVxmzGZ1FzGPnet

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4808	Ysoqya.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job	f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe
File opened for modification	C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job	f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe
File created	C:\Windows\Ysoqya.exe	f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe
File opened for modification	C:\Windows\Ysoqya.exe	f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe
File created	C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job	Ysoqya.exe
File opened for modification	C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job	Ysoqya.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	Ysoqya.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\International	Ysoqya.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe
4808	Ysoqya.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
4944	f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe
4808	Ysoqya.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 4808	4944	f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe	81
PID 4944 wrote to memory of 4808	4944	f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe	81
PID 4944 wrote to memory of 4808	4944	f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe	81

C:\Users\Admin\AppData\Local\Temp\f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe
"C:\Users\Admin\AppData\Local\Temp\f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:4944
- C:\Windows\Ysoqya.exe
  C:\Windows\Ysoqya.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:4808

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job

Filesize
426B

MD5
481335c6855e5f69c35d7cabc0dedfaa

SHA1
60543a10dc8541c973931c4e6af12975a4354126

SHA256
9df97b21f0618fafd1d0a0835a141330a41d27f76e31e82acf1009c73ba6d264

SHA512
07c412d05dd5306aa4ba3e293eb977cb16bc00a54f1ca5b360260c9840204d2c6bdcdb70c0fad36141d04632d24f5f2ad1680968f8409dbd9e272e2c8a69702f

Download Submit
C:\Windows\Ysoqya.exe

Filesize
157KB

MD5
96e3f8c7566d2e0a9abc560c261d2969

SHA1
1ce481a9206eb3cf208cb36018b37882a9f83e64

SHA256
f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853

SHA512
38a050e67712538123825a86b0439a4d68e91fac1331bf7367825b32cffc503352352b055f284e9aafad1f9a77c99a2acb68b22ff85b69c11253ca44dc1d64e8

Download Submit
C:\Windows\Ysoqya.exe

Filesize
157KB

MD5
96e3f8c7566d2e0a9abc560c261d2969

SHA1
1ce481a9206eb3cf208cb36018b37882a9f83e64

SHA256
f9c11ea3939ae5bb3a8198ad90f7b869a121729899980a75fe3105d1d6dd1853

SHA512
38a050e67712538123825a86b0439a4d68e91fac1331bf7367825b32cffc503352352b055f284e9aafad1f9a77c99a2acb68b22ff85b69c11253ca44dc1d64e8

Download Submit
memory/4808-137-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4808-138-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4808-141-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4944-132-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4944-133-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4944-140-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4944-142-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download