b306d7aa81bba32e0d51a441f5be19fb71f3d639bfe75127017b2c42ca548d49

Analysis

max time kernel
122s
max time network
132s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12/10/2023, 11:29

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General

Target

b306d7aa81bba32e0d51a441f5be19fb71f3d639bfe75127017b2c42ca548d49.exe
Size

25KB
MD5

808149036ca2c8fc70b1eab88d355c16
SHA1

a08f00e5d92ad7d39eff8a021693edeaea8759b1
SHA256

b306d7aa81bba32e0d51a441f5be19fb71f3d639bfe75127017b2c42ca548d49
SHA512

cb9a48b9412ec13fa1c0d5c89e90f37274cef88cde1acd0bb21b223b3ae879c7ed13488a56fef0d0695f450f2ff95c0c0b0212b9265b30e2ac02174a38246470
SSDEEP

384:qc0J+vqBoLotA8oPNIrxKRQSv7QrzVVvOytGxboE9K/mKHrjpjvXgq:8Q3LotOPNSQVwVVxGKEvKHrVXb

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2720	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"	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\spoolsv = "C:\\Windows\\spoolsv.exe"	b306d7aa81bba32e0d51a441f5be19fb71f3d639bfe75127017b2c42ca548d49.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\spoolsv.exe	b306d7aa81bba32e0d51a441f5be19fb71f3d639bfe75127017b2c42ca548d49.exe
File created	C:\Windows\spoolsv.exe	spoolsv.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	2192	b306d7aa81bba32e0d51a441f5be19fb71f3d639bfe75127017b2c42ca548d49.exe
Token: SeDebugPrivilege	2720	spoolsv.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2720	2192	b306d7aa81bba32e0d51a441f5be19fb71f3d639bfe75127017b2c42ca548d49.exe	29
PID 2192 wrote to memory of 2720	2192	b306d7aa81bba32e0d51a441f5be19fb71f3d639bfe75127017b2c42ca548d49.exe	29
PID 2192 wrote to memory of 2720	2192	b306d7aa81bba32e0d51a441f5be19fb71f3d639bfe75127017b2c42ca548d49.exe	29
PID 2192 wrote to memory of 2720	2192	b306d7aa81bba32e0d51a441f5be19fb71f3d639bfe75127017b2c42ca548d49.exe	29

C:\Users\Admin\AppData\Local\Temp\b306d7aa81bba32e0d51a441f5be19fb71f3d639bfe75127017b2c42ca548d49.exe
"C:\Users\Admin\AppData\Local\Temp\b306d7aa81bba32e0d51a441f5be19fb71f3d639bfe75127017b2c42ca548d49.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2192
- 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:2720

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\KTsJjW0AA0l5rXr.exe

Filesize
25KB

MD5
847281a9c5bf6f0f213c1c1ef8fc4826

SHA1
c870facfe0ea12ea4025b7e5d77f296510bad633

SHA256
8ca84464c66f12da45ba840713d127df46bf0145c024a8c1705c3bc96b42d765

SHA512
b5efcc83a257955b51c7614084b497a888953c5b9b37920322e229654beb24085cab14946a96b16ec61ed0400e667f8d02d7cf72d1b1a5a9b3825f2fee0e8601

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