a3e8c898bdb05eb0bf9029a52caf6804fc039754f6cbdba55102134e00f6fdcf

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
05-10-2023 13:48

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General

Target

a3e8c898bdb05eb0bf9029a52caf6804fc039754f6cbdba55102134e00f6fdcf.exe
Size

25KB
MD5

5710d531c85f62456c353e899f92b0ee
SHA1

a0dc98ccc38367f6c7f484015dfc3b8310f31921
SHA256

a3e8c898bdb05eb0bf9029a52caf6804fc039754f6cbdba55102134e00f6fdcf
SHA512

f473c823e1c89d8eb981dcba70cfb3e213146ef3fa84ee00ed729e70e8f5e8883ee6bd123dcfca93ccd143bfab833e78f7373376d3299d1b3dd12969dbcf862b
SSDEEP

384:qc0J+vqBoLotA8oPNIrxKRQSv7QrzVVvOytGxboE9K/mKHrjpjv1K:8Q3LotOPNSQVwVVxGKEvKHrVg

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2384	spoolsv.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\spoolsv = "C:\\Windows\\spoolsv.exe"	a3e8c898bdb05eb0bf9029a52caf6804fc039754f6cbdba55102134e00f6fdcf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\spoolsv = "C:\\Windows\\spoolsv.exe"	spoolsv.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\spoolsv.exe	spoolsv.exe
File created	C:\Windows\spoolsv.exe	a3e8c898bdb05eb0bf9029a52caf6804fc039754f6cbdba55102134e00f6fdcf.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\https:\onsapay.com\loader	spoolsv.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2064	a3e8c898bdb05eb0bf9029a52caf6804fc039754f6cbdba55102134e00f6fdcf.exe
Token: SeDebugPrivilege	2384	spoolsv.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 2384	2064	a3e8c898bdb05eb0bf9029a52caf6804fc039754f6cbdba55102134e00f6fdcf.exe	28
PID 2064 wrote to memory of 2384	2064	a3e8c898bdb05eb0bf9029a52caf6804fc039754f6cbdba55102134e00f6fdcf.exe	28
PID 2064 wrote to memory of 2384	2064	a3e8c898bdb05eb0bf9029a52caf6804fc039754f6cbdba55102134e00f6fdcf.exe	28
PID 2064 wrote to memory of 2384	2064	a3e8c898bdb05eb0bf9029a52caf6804fc039754f6cbdba55102134e00f6fdcf.exe	28

C:\Users\Admin\AppData\Local\Temp\a3e8c898bdb05eb0bf9029a52caf6804fc039754f6cbdba55102134e00f6fdcf.exe
"C:\Users\Admin\AppData\Local\Temp\a3e8c898bdb05eb0bf9029a52caf6804fc039754f6cbdba55102134e00f6fdcf.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Windows\spoolsv.exe
  "C:\Windows\spoolsv.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - NTFS ADS
  - Suspicious use of AdjustPrivilegeToken
  PID:2384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\TPar5FQ2wKLEOLF.exe

Filesize
25KB

MD5
dac42aef9853988b9f38d9995198f908

SHA1
903016777d70ccc52088f7495f5f67f4e0b51cf0

SHA256
6fb37748e9d61570bd4d7adfc4207e17dac1bbe5036aaf1c28765b88b7a00ccb

SHA512
f719c7d46533cdf150dd9db1496bdc86e78a60334cd56b9b8d1f2e12151003ae965a4d31068a89727dd206aa6943b1bd3e401a192f9c1b7d013a970bfe04a9be

Download Submit
C:\Users\Admin\AppData\Local\Temp\TPar5FQ2wKLEOLF.exe

Filesize
25KB

MD5
dac42aef9853988b9f38d9995198f908

SHA1
903016777d70ccc52088f7495f5f67f4e0b51cf0

SHA256
6fb37748e9d61570bd4d7adfc4207e17dac1bbe5036aaf1c28765b88b7a00ccb

SHA512
f719c7d46533cdf150dd9db1496bdc86e78a60334cd56b9b8d1f2e12151003ae965a4d31068a89727dd206aa6943b1bd3e401a192f9c1b7d013a970bfe04a9be

Download Submit
C:\Windows\spoolsv.exe

Filesize
25KB

MD5
82071fd2379c64429acf376487fcddff

SHA1
2da42c7eaa62ecee65757b441c939f12b52228fb

SHA256
272bd07fa6c2678fd96a026237a184fceffa65d319f6844bac582aff90ce25d8

SHA512
194bdbdf624ec425a095a44116032687c46b3e2370f3c436e2d5516dcc778824ff57fa69edfacb42e5e76e05894eb0a40acf32dcee3b80ba397f823ec82b6adb

Download Submit
C:\Windows\spoolsv.exe

Filesize
25KB

MD5
82071fd2379c64429acf376487fcddff

SHA1
2da42c7eaa62ecee65757b441c939f12b52228fb

SHA256
272bd07fa6c2678fd96a026237a184fceffa65d319f6844bac582aff90ce25d8

SHA512
194bdbdf624ec425a095a44116032687c46b3e2370f3c436e2d5516dcc778824ff57fa69edfacb42e5e76e05894eb0a40acf32dcee3b80ba397f823ec82b6adb

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads