f28c56dfae77c517dd1bcfab9cfa6489834553d7c3f9f022b29b3f02800862c4

Analysis

max time kernel
151s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2022, 05:51

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General

Target

f28c56dfae77c517dd1bcfab9cfa6489834553d7c3f9f022b29b3f02800862c4.exe
Size

208KB
MD5

d8e0bd15e2bbcb5aadb7ae81f682d7df
SHA1

098a9b774d90a0572cbf26985ff8a5e5ebd7dd2c
SHA256

f28c56dfae77c517dd1bcfab9cfa6489834553d7c3f9f022b29b3f02800862c4
SHA512

6ce8c8699c1afd4b59cafb11e92ba02971a490859c4308c835f17bc8253d52de2e385357580e4c05958f84628b559277e899dc87e42626bf0a62c157c5ad653d
SSDEEP

3072:WDPrP0+IfBxULK6ur4AKKV6AopNgyci0phK0jnboVDcu38Xi+1ffsvaspDZc:gz0+uAKz4AKKSYg0jU9cOI3hA

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1268	svchost.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-1-5-21-2295526160-1155304984-640977766-1000\software\microsoft\windows\currentversion\run	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\run	svchost.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\8c72dff7 = "Ã‰\x1e\x1f\x114^¥,Ó9²€ xP1;2œ`cæpÔ¸LÆeÂw¸“=í*"	f28c56dfae77c517dd1bcfab9cfa6489834553d7c3f9f022b29b3f02800862c4.exe

Drops file in Program Files directory 9 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Windows Defender\lygygin.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\purypol.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\lymyxid.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\qetyvep.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\volykyc.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\qetyfuv.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\vocyzit.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\vonypom.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\gatyvyz.com	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	f28c56dfae77c517dd1bcfab9cfa6489834553d7c3f9f022b29b3f02800862c4.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	f28c56dfae77c517dd1bcfab9cfa6489834553d7c3f9f022b29b3f02800862c4.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\MuiCache	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe
1268	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1056	f28c56dfae77c517dd1bcfab9cfa6489834553d7c3f9f022b29b3f02800862c4.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1056	f28c56dfae77c517dd1bcfab9cfa6489834553d7c3f9f022b29b3f02800862c4.exe
Token: SeSecurityPrivilege	1056	f28c56dfae77c517dd1bcfab9cfa6489834553d7c3f9f022b29b3f02800862c4.exe
Token: SeSecurityPrivilege	1268	svchost.exe
Token: SeSecurityPrivilege	1268	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 1268	1056	f28c56dfae77c517dd1bcfab9cfa6489834553d7c3f9f022b29b3f02800862c4.exe	81
PID 1056 wrote to memory of 1268	1056	f28c56dfae77c517dd1bcfab9cfa6489834553d7c3f9f022b29b3f02800862c4.exe	81
PID 1056 wrote to memory of 1268	1056	f28c56dfae77c517dd1bcfab9cfa6489834553d7c3f9f022b29b3f02800862c4.exe	81

C:\Users\Admin\AppData\Local\Temp\f28c56dfae77c517dd1bcfab9cfa6489834553d7c3f9f022b29b3f02800862c4.exe
"C:\Users\Admin\AppData\Local\Temp\f28c56dfae77c517dd1bcfab9cfa6489834553d7c3f9f022b29b3f02800862c4.exe"
1⤵
- Modifies WinLogon
- Drops file in Windows directory
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Windows\apppatch\svchost.exe
  "C:\Windows\apppatch\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Program Files directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1268

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

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\apppatch\svchost.exe

Filesize
208KB

MD5
df82fda496430fc3f5c7d41a8ec550e8

SHA1
e2ad2fedb9ee99045b4ea34f24bf389dae180378

SHA256
12953ffce395e3d83f30a76fc18ab8a0582ecb236f9a7a4f788b779882d5a94e

SHA512
8bd9de964c3ef52f7e2c712145b5b24e8c1dfeec53e71e41fdb990179ce771a823af559c15b5f64f9737bdade7c033c5d336217072e12237f011291fe1b3df5e

Download Submit
C:\Windows\apppatch\svchost.exe

Filesize
208KB

MD5
df82fda496430fc3f5c7d41a8ec550e8

SHA1
e2ad2fedb9ee99045b4ea34f24bf389dae180378

SHA256
12953ffce395e3d83f30a76fc18ab8a0582ecb236f9a7a4f788b779882d5a94e

SHA512
8bd9de964c3ef52f7e2c712145b5b24e8c1dfeec53e71e41fdb990179ce771a823af559c15b5f64f9737bdade7c033c5d336217072e12237f011291fe1b3df5e

Download Submit
memory/1056-132-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1056-133-0x00000000021E0000-0x0000000002232000-memory.dmp

Filesize
328KB

Download
memory/1056-139-0x00000000021E0000-0x0000000002232000-memory.dmp

Filesize
328KB

Download
memory/1056-138-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1268-137-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1268-140-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1268-141-0x00000000029A0000-0x0000000002A4A000-memory.dmp

Filesize
680KB

Download
memory/1268-142-0x0000000002B90000-0x0000000002C47000-memory.dmp

Filesize
732KB

Download